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Documents FAQ: [#6033] traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction(2010)
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  • +Documents
  • +ad1836: FAQ
  • +ad1938: FAQ
  • +ad1939: FAQ
  • +AD5280: FAQ
  • +ad73311: FAQ
  • +adau1361: FAQ
  • +adau1371: FAQ
  • +adau1373: FAQ
  • +adau1761: FAQ
  • +adp5588-gpio: FAQ
  • +adv7393: FAQ
  • +ADXL34x: FAQ
  • +bf518-ezbrd: FAQ
  • +bf518: FAQ
  • +bf51x: FAQ
  • -bf526-ezbrd: FAQ
    • FAQ: [#5944] Disable anomaly 456 for bf526-ezbrd, gadget fs bulk test fails in dma mode (2010)
    • FAQ: [#5945] Gadget ethernet fails to work in dma mode when anomaly 456 is disabled on bf526-ezbrd(2010)
    • FAQ: [#5946] Disable anomaly 456 on bf526-ezbrd, gadget serial in dma mode fails to work(2010)
    • FAQ: [#5947] Disable anomaly 456 on bf526-0.2-ezbrd, host can't find gadget ram storage in dma mode(2010)
    • FAQ: [#6033] traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction(2010)
    • FAQ: [#6074] Build bf526 kernel with nand support fail(2010)
  • +bf527-ezkit: FAQ
  • +bf533-stamp/ezkit: FAQ
  • +bf533: FAQ
  • +bf538-ezkit: FAQ
  • +bf548-ezkit: FAQ
  • +BF54x: FAQ
  • +bf561-ezkit: FAQ
  • +bf5xx: FAQ
  • +bfin-mac driver: FAQ
  • +bfin-uclinux-gdb: FAQ
  • +bfin_can.c: FAQ
  • +Blackfin: FAQ
  • +bluetooth: FAQ
  • +Build kernel: FAQ
  • +Build: FAQ
  • +cfcard test: FAQ
  • FAQ: [#6170] section mismatches in cifs code(2010)
  • FAQ: [#6173] linphone testing problem(2010)
  • FAQ: [#6190] BF561-EZKIT SMP kernel can not wake up by uart(2010)
  • FAQ: [#6194] libxenomai.so.0 can't be found in xenomai kernel with fdpic mode(2010)
  • FAQ: [#6207] Build error in CTS/RTS testing on board BF548-EZKIT(2010)
  • FAQ: [#6251] pread/pwrite arent decoded correctly by strace(2010)
  • FAQ: [#6253] strace build failed in trunk with outdated toolchain (missing asm/cachectl.h)(2010)
  • FAQ: [#6255] Busybox inetd crashes/rsh noconnet/ssh(2010)
  • FAQ: [#6265] libpng build fails due to not finding zlib(2010)
  • FAQ: [#6271] "nand unlock" is an unsupported command in u-boot update in nand flash(2010)
  • FAQ: [#6272] After update u-boot in spi flash, BF548-EZKIT can not boot from spi flash(2010)
  • +gadget fs bulk: FAQ
  • +gadget zero bulk: FAQ
  • +gadget zero control: FAQ
  • +Kernel xip: FAQ
  • +ltp test: FAQ
  • +microwin test: FAQ
  • +MPU kernel: FAQ
  • +Sl811-hcd.c USB: FAQ
  • +SPORT channel: FAQ
  • +trunk head kernel: FAQ
  • +usb otg driver: FAQ
  • +zlib: FAQ
  • +Illegal i2c: FAQ
  • +isp1362-hcd: FAQ
  • +Kernel: FAQ
  • +KGDBOE: FAQ
  • [#4646] Varittronix LCD driver mixes blue and Red
  • +serial driver: FAQ
  • +sigma firmware: FAQ
  • +spi transaction: FAQ
  • +strace FAQ
  • [#4787] [ltp] LTP test case shmctl01 failed in trunk for ltp-full-20081130
  • +tiff-4.0.0beta4: FAQ
  • [#5264] ping packet size test will fail for gadget ethernet test with DMA mode
  • +USBHOST: FAQ
  • +USB_EP_NI7_RXINTERVAL: FAQ
  • [#5257] Build usb gadget driver with DMA mode will fail
  • [#4708] Blackfin irda build fails for bf533-stamp
  • [#4735] unaligned accesses in qt webkit
  • [#5168] build cpufrequtils into fdpic format has error
  • [#5321] modprobe i2c lcd on bf533 stamp wait long time
  • [#4922] unwanted sound comes up after g_audio module is installed on BF548 and BF527
  • [#5176] app cpufrequtils in Blackfin app programs fails to build in FDPIC
  • [#5237] musb driver is broken after linux-2.6.30 update
  • [#5255] ping target board sometimes get wrong data byte for gadget ethernet pio mode
  • FAQ: [#6614] Kernel panic frequently when test sdio mmc on bf518-ezbrd(2011)
  • [#5336] canbus and ppifcd drivers can not be built on BF538-EZKIT
  • +SPI driver: FAQ
  • [#4714] the first time to build mtd-utils will fail in trunk
  • [#5524] drivers/video/bfin_adv7393fb.c build fails in 2.6.31 due to old i2c usage
  • [#5525] drivers/video/bf537-lq035.c build fails in 2.6.31 due to old i2c usage
  • [#5399] no sound when record in board and listen in PC for linphone test of ad1836 on bf533-stamp
  • [#5458] Drivers Serial:bfin_5xx:ttyBFx fails to generate resume from standby
  • [#4647] build samba fails on trunk now for redefinition in fcntl.h
  • [#5526] ip0x board has broken UART defines after resource reorganization
  • [#5527] drivers/media/video/blackfin/blackfin_cam.c build fails in 2.6.31 due to old i2c usage
  • [#5352] bfin_sport.c setup 2D DMA
  • [#5528] fs/binfmt_elf_fdpic.c build fails when CONFIG_ELF_CORE is enabled in 2.6.31
  • [#5464] isram_write() seems to be busted
  • [#5376] mmap05 sometimes can not pass when MPU
  • [#5534] run aplay/arecord will make system panic after kernel upgraded to 2.6.31
  • [#5361] Microwin (nanox) failed on trunk using AD7897 touch screen
  • [#5544] Sport uart TX stop waiting loop is too long to block RX interrupt in PIO mode when do duplex communication
  • [#5363] spi mmc is not supported in bf533-stamp
  • [#5550] fail to flash ubifs.img to nand
  • [#5470] build xenomai fails for no switchbench
  • [#5437] mathtest fails to compile
  • [#5551] SPI message lost when bus locked
  • [#5370] alsa tool fails to work after wake up from mem in bf537-stamp with ad1836 (can't resolve symbol)
  • [#5561] [ltp ]Kernel dump info when run ltp test cases access02, chown03, fchmod06, fchown03, fchown04
  • [#5377] amixer fail to run on ad1836 audio driver on BF537-STAMP
  • [#5475] build mkfs.ubifs on trunk head fails
  • [#5562] [ltp]some ltp test case is broken for getipckey and getcwd
  • [#5487] build usb.c fail in testsuites/usbdev/ test at asm/swab.h
  • [#5489] t2/t4 failed in gadget zero bulk test with dma mode
  • [#5567] build nand for bf537 fails on trunk
  • [#5494] Run tftlcd test case in bf548-ezkit, kernel crashed at the end
  • [#4879] traps test case 21 exception 0x3f: l1_instruction_access would make kernel panic on bf533 stamp
  • [#5568] Framebuffer DMA Error!!
  • [#5515] 4 more trap cases fails on bf533
  • [#5379] run scratchpad case sometimes would fail
  • [#5519] pushing Blackfin serial resources to boards broke many boards
  • [#5389] build pictureflow fails at branch head
  • [#5531] Usb SL811 failed on uclinux2009r1-rc6 on bf532 board.
  • [#5523] Blackfin MUSB build fails after update to 2.6.31
  • [#5391] For ad1836 and ad1981b, sometimes sound shakes at the end
  • [#5404] build kernel with 0x2000 as BOOT_LOAD address sometimes would fails at build-busybox-1.13.4
  • [#5469] CPU hardly idles anymore in svn trunk
  • [#5695] Build bf537-stamp fails at ad73322 for the latest trunk
  • [#5702] build xenomai into fdpic format fails for no libnative.so
  • [#5427] ircp failed on bf533-stamp
  • [#5708] Kernel can not boot up when spimmc driver is interrupt drivern in PIO mode
  • [#5711] gfortran case default_format_1.exe fails on 09r1 kernel but pass on trunk head
  • [#5712] I2C client drivers using dev_pm_ops fail to receive suspend/resume callbacks
  • [#5715] libpcap fails to compile in trunk
  • [#5589] STLport build fails
  • [#5724] SPORT driver crash on reload
  • [#5449] bfin_sdh doesn't save and restore peripheral context upon resume
  • [#5580] GPIO pin not reserved for CTS function on SPORT-UART driver
  • [#5521] trunk head build fails at ipc/shm.c
  • [#5636] generic gpio works on bf533 in the opposite way
  • [#5637] Kernel crashed when arecord and aplay on bf537-stamp with SoC I2S audio
  • [#5647] SPI driver bus_unlock() does not schedule postponed SPI messages
  • [#5683] build nand fails for format error
  • [#5689] while two or multi spi devices use gpio cs, spi setup will fail
  • [#5558] bfin mac multi-cast sending fails to work
  • [#5816] PREEMPT_RT: cyclic test stalls in some test mode
  • [#5824] some kernel modules fail to link due to losing strcpy in trunk head
  • [#5707] error in user/procps/Makefile
  • [#5841] [ltp] ltp test case shmctl01/semctl01 can not execute
  • [#5605] Build bf537-stamp fail at bf5xx-i2s.c in latest trunk
  • [#5614] With latest toolchain in trunk, fail to build some apps and libs at fork
  • [#5625] Build microwin app fails in trunk with 4.3 toolchain
  • [#5626] Build lib mad fail at option "-fforce-mem" with gcc 4.3
  • [#5722] bfin_sport_spi broken by cs_gpio changes
  • [#5627] fail to control gpio used by led and button through /sys/class/gpio/
  • [#5927] PR bit other than RAF bit in EMAC OPMODE register should be set for promisuous mode in bfin_mac driver
  • [#5727] build e2fsprogs-1.41.12 fail sometimes because of compiling order
  • [#5631] Build lib confuse failed with gcc 4.3 toolchain
  • [#5759] fix build for pwlib
  • [#5651] Build lirc failed at missing files
  • [#5931] Trying to compile CAN4LINUX for BF537-STAMP board but compilation is failing
  • [#5656] Build iproute2 fails at trunk for dlfcn.h when built as FLAT
  • [#5743] sound/soc/blackfin/bf5xx-ad1938.c build fails after 2.6.32 upgrade
  • [#5801] No interrupt occurs when reconnect gadget device in OTG mode.
  • [#5657] [ltp] ltp test case mount03/umount03 fail with error of "No such device"
  • [#5808] mmc configuration error in make config
  • [#5804] bf531: ethernet not working when switching to 2009R1
  • [#5810] initial sp is given wrong value and INIT_TASK_DATA is not linked into data
  • [#6335] Build xip failed in fdpic format when xenomai is enabled
  • [#7224] undifined variable x25_address in ./user/net-tools/lib/x25_src.c
  • [#5598] bluez-utils has parallel build issues with parser.h
  • [#5668] Fail to build app bluez-utils
  • [#7251] Blackfin SPI driver doesn't handle repeated changes in CPOL, CPHA and LSBF correctly
  • [#5767] In 09r1.1 branch, all ltp test cases show stack overflow in bf561 SMP kernel
  • [#5684] touching keypad on bf548 will make system dead and restart
  • [#7287] Can not build usb.c with libaio
  • [#5687] SPI read/write be wrong after suspend to memory and resume
  • [#7315] [ltp] ltp test case getrusage04 from ltp-full-20120903 fails in trunk
  • [#7328] Fail to compile pthread_test after toolchain update
  • [#5876] Repeating rsh/rcp causes error "poll: protocol failure in circuit setup"
  • [#7329] Fail to compile netperf after toolchain update
  • [#7333] Test dll fails to run after toolchain update
  • [#5741] adau1371 and adau1761 fail to build after 2.6.32 upgrade
  • [#7337] [ltp] ltp test case mount02 fails in ltp-full-20120903
  • [#7338] [ltp] ltp test case mount03 fails in ltp-full-20120903
  • [#5821] Fail to build pngview on regression machines with suse 10.2
  • [#5900] hardware single stepping in userspace does not handle syscalls correctly
  • [#5659] [ltp] ltp test case eventfd01 fail
  • [#7339] [ltp] can not apply patch of lchown02 in ltp-full-20101031 to ltp-full-20120903
  • [#7343] [ltp] LTP test case chdir04 fails in ltp-full-20120903
  • [#7396] build netperf fails for undefined reference to `___CPU_ZERO'
  • [#7483] bfin_sport driver does not work well in TDM DMA mode
  • [#7506] Dropbear does not build
  • [#5757] drop USER_SQUASHFS_MKSQUASHFS7Z as squashfs 4.0 does not support 7z anymore
  • [#5758] fix build for libopenh323
  • [#5833] trap test running on the second core of bf561 has serveral fails
  • [#5755] romfs target fails for lib/pwlib
  • [#5760] fix asterisk build
  • [#5756] romfs target fails for lib/libopenh323
  • [#5877] SPI transmit cs_change flag not properly handled
  • [#5939] bfin-can fails to build after linux-2.6.33 upgrade
  • [#5879] GPIO controlled slave request may fail when bfin_spi_setup() gets executed twice
  • [#5774] [ltp]ltp test case will be killed by oom-killer on bf533-ezkit in 09r1 branch occasionally
  • [#5894] BF527 uImage Flashing issue(Copy to Flash... Flash not Erased)
  • [#5941] links fails in trunk due to using fork()
  • [#5942] build usb host fail when remove anomaly 456 for BF526-EZBRD
  • [#7250] On bfin ppi test, it fails to quit from slave when send "q" from master
  • [#7379] Fail to build alsa lib in latest trunk with upgraded toolchain
  • [#5792] enc28j60 spi net fails to ping with host on trunk head kernel
  • [#4436] BF527-EZKIT unable to receive large files over UART in DMA mode
  • [#4764] Kernel prints warning when booting from jffs2 rootfs in nor flash on bf548-ezkit
  • [#5903] Impossible to work properly with two or more SPI slave devices using spi_bfin5xx driver.
  • FAQ: [#6386] build iproute2 may fail at ifstat.c sometimes in latest trunk(2010)
  • FAQ: [#6331] There is error in adau1371 audio testing on bf527-ezkit(2010)
  • [#5933] BF561-EZKIT SMP kernel can not wake up from standby mode by uart interrupt
  • FAQ: [#6564] dmacopy test on bf561-ezkit failed at sram_alloc in L1(2011)
  • [#4713] dmacopy tries to test L2 on BF537
  • [#4997] ppitest fails for bfin_ppi driver on bf537
  • [#5940] lynx fails in trunk due to using fork()
  • [#4104] Format usbdisk failed with mke2fs in trunk
  • FAQ: [#6578] iccutils build fails at scalar.c(2011)
  • [#3883] ftp server crash after connetion or chdir with MidnightCommander4.6.1
  • [#4697] kernel crash on bf533-stamp/bf533-ezkit after config IP for ethernet port
  • [#4050] xip test case failed in BF548-EZKIT
  • [#3991] mmc_spi not working out of the box.
  • [#3996] dhcpcd not stable on BF548-EZKIT
  • [#5136] Linphone: Can't hear each other and "Data access misaligned address violation"
  • [#5214] trunk applications don't build with trunk toolchain due to missing fork()
  • [#4055] top (busybox) crashs
  • [#5162] Linphone: Data access misaligned address
  • [#4992] bfin_sdh fails to build for BF514/BF516
  • [#5570] reboot on bf527-ezkit with nand and ubifs enabled fails
  • [#4955] 548 SDH: netperf, iperf triggers libertas error
  • [#5522] Lib DirectFB-1.4.0 crashes when run DirectFB demo on SVN trunk
  • [#3882] copy file function cp, after few times consume all memory
  • [#4773] BF527 usb-ide hard disk error

FAQ: [#6033] traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction(2010)

[#6033] traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction

Submitted By: Vivi Li

Open Date

2010-05-18 06:12:17     Close Date

2011-06-08 03:45:42

Priority:

Medium     Assignee:

Sonic Zhang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2010R1-RC5     Release:

Category:

N/A     Board:

N/A

Processor:

BF526     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Not reproducible

Uboot version or rev.:

    Toolchain version or rev.:

gcc4.3-2010_Apr_07

App binary format:

N/A     

Summary: traps test case 93 will make kernel panic on bf526 when stack set to L1 instruction

Details:

traps test case 85 on bf526 will make kernel panic at Stack set to L1 instruction.

Last passed version:

--

kernel:    Linux release 2.6.33.3-ADI-2010R1-pre-svn8681, build #16 Tue May 4 00:46:31 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3951)

user-dist: release svn-9599, build #282 Tue May 4 00:45:49 CST 2010

--

First failed version:

--

kernel:    Linux release 2.6.33.3-ADI-2010R1-pre-svn8682, build #20 Wed May 5 04:41:41 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3951)

user-dist: release svn-9599, build #361 Wed May 5 04:41:00 CST 2010

--

--

Linux version 2.6.33.4-ADI-2010R1-pre-svn8711 (test@uclinux81-bf526) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #60 Mon May 17 19:00:57 CST 2010

register early platform devices

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart1] enabled

early printk enabled on early_BFuart1

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x0013f780

  rodata    = 0x0013f780-0x001adae4

  bss       = 0x001ae000-0x001bedc0

  data      = 0x001bedc0-0x001d6000

    stack   = 0x001d4000-0x001d6000

  init      = 0x001d6000-0x00712000

  available = 0x00712000-0x03f00000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 1

Blackfin support (C) 2004-2010 Analog Devices, Inc.

Compiled for ADSP-BF526 Rev 0.0

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 400 MHz core clock and 80 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

  External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

  External memory: cacheable (write-back) in data cache

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 16002

Kernel command line: root=/dev/mtdblock0 rw ip=10.100.4.50 earlyprintk=serial,uart1,57600 console=ttyBF1,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf526-ezbrd:eth0:off

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 56704k/65536k RAM, (5360k init code, 1273k kernel code, 603k data, 1024k dma, 572k reserved)

Hierarchical RCU implementation.

NR_IRQS:159

Configuring Blackfin Priority Driven Interrupts

console [ttyBF1] enabled, bootconsole disabled

console [ttyBF1] enabled, bootconsole disabled

Calibrating delay loop... 796.67 BogoMIPS (lpj=1593344)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (42 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezbrd_init(): registering device resources

bio: create slab <bio-0> at 0

SCSI subsystem initialized

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

musb_hdrc: version 6.0, musb-dma, host, debug=0

musb_hdrc: USB Host mode controller at ffc03800 using DMA, IRQ 59

musb_hdrc musb_hdrc.0: MUSB HDRC host driver

musb_hdrc musb_hdrc.0: new USB bus registered, assigned bus number 1

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

msgmni has been set to 110

io scheduler noop registered (default)

bfin-otp: initialized

bfin-uart: Blackfin serial driver

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART

brd: module loaded

physmap platform flash device: 00400000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank

Intel/Sharp Extended Query Table at 0x0039

Intel/Sharp Extended Query Table at 0x0039

Intel/Sharp Extended Query Table at 0x0039

Intel/Sharp Extended Query Table at 0x0039

Intel/Sharp Extended Query Table at 0x0039

cfi_cmdset_0001: Erase suspend on write enabled

cmdlinepart partition parsing not available

RedBoot partition parsing not available

Using physmap partition information

Creating 3 MTD partitions on "physmap-flash.0":

0x000000000000-0x000000040000 : "bootloader(nor)"

0x000000040000-0x000000200000 : "linux kernel(nor)"

0x000000200000-0x000000400000 : "file system(nor)"

m25p80 spi0.1: sst25wf040 (512 Kbytes)

Creating 2 MTD partitions on "m25p80":

0x000000000000-0x000000040000 : "bootloader(spi)"

0x000000040000-0x000000080000 : "linux kernel(spi)"

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@7

bfin_mii_bus: probed

bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=15)@sclk=80MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 2004-05-31 14:42:52 UTC (1086014572)

dma_alloc_init: dma_page @ 0x0270f000 - 256 pages at 0x03f00000

IP-Config: Complete:

     device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

     host=bf526-ezbrd, domain=, nis-domain=(none),

     bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 5360k freed

                           _____________________________________

        a8888b.           / Welcome to the uClinux distribution \

       d888888b.         /       _     _                         \

       8P"YP"Y88        /       | |   |_|            __  __ (TM)  |

       8|o||o|88  _____/        | |    _ ____  _   _ \ \/ /       |

       8'    .88       \        | |   | |  _ \| | | | \  /        |

       8`._.' Y8.       \       | |__ | | | | | |_| | /  \        |

      d/      `8b.       \      \____||_|_| |_|\____|/_/\_\       |

     dP   .    Y8b.       \   For embedded processors including   |

    d8:'  "  `::88b        \    the Analog Devices Blackfin      /

   d8"         'Y88b        \___________________________________/

  :8P    '      :888

   8a.   :     _a88P         For further information, check out:

._/"Yaa_:   .| 88P|            - http://blackfin.uclinux.org/

\    YP"    `| 8P  `.          - http://docs.blackfin.uclinux.org/

/     \.___.d|    .'           - http://www.uclinux.org/

`--..__)8888P`._.'  jgs/a:f    - http://www.analog.com/blackfin

Have a lot of fun...

BusyBox v1.16.1 (2010-05-17 15:52:23 CST) hush - the humble shell

root:/>

root:/> traps_test 85

Running test 85 for exception 0x3f: Stack set to L1 instruction

... PASS (test completed 1/1 times, as expected by signal 7: Bus error)

1/1 tests passed

root:/> traps_test 85

Running test 85 for exception 0x3f: Stack set to L1 instruction

... External Memory Addressing Error

Kernel OOPS in progress

HW Error context

CURRENT PROCESS:

COMM=traps_test PID=242  CPU=0

TEXT = 0x02990040-0x029988e0        DATA = 0x02998900-0x0299bf64

BSS = 0x0299bf64-0x0299c3f0  USER-STACK = 0x0299df40

return address: [0xffa00aae]; contents of:

0xffa00a80:  0160  0161  0162  0163  0170  0173  0171  0174

0xffa00a90:  0172  0175  0166  0140  0167  31c3  0140  017c

0xffa00aa0:  017d  017e  0179  0140  017b  6000  3620 [3628]

0xffa00ab0:  3630  3638  e108  203c  e148  ffe0  e109  0efc

Looks like this was a deferred error - sorry

It might be better to look around here :

-------------------------------------------

ADSP-BF526-0.0 400(MHz CCLK) 80(MHz SCLK) (mpu off)

Linux version 2.6.33.4-ADI-2010R1-pre-svn8711 (test@uclinux81-bf526) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #60 Mon May 17 190

SEQUENCER STATUS:               Not tainted

SEQSTAT: 0000c000  IPEND: 2990f4c  IMASK: 0000  SYSCFG: 0006

  Peripheral interrupts masked off

  Kernel interrupts masked off

  EXCAUSE   : 0x0

  physical IVG2 asserted : <0xffa00d18> { _evt_nmi + 0x0 }

  physical IVG3 asserted : <0xffa006c0> { _trap + 0x0 }

  physical IVG6 asserted : <0xffa00d1c> { _evt_timer + 0x0 }

  physical IVG8 asserted : <0xffa00d94> { _evt_evt8 + 0x0 }

  physical IVG9 asserted : <0xffa00dd0> { _evt_evt9 + 0x0 }

  physical IVG10 asserted : <0xffa00e0c> { _evt_evt10 + 0x0 }

  physical IVG11 asserted : <0xffa00e48> { _evt_evt11 + 0x0 }

  logical irq   6 mapped  : <0xffa00358> { _bfin_coretmr_interrupt + 0x0 }

  logical irq  21 mapped  : <0x000dfc98> { _bfin_rtc_interrupt + 0x0 }

  logical irq  27 mapped  : <0x000e1da8> { _bfin_twi_interrupt_entry + 0x0 }

  logical irq  31 mapped  : <0x000a2ef8> { _bfin_serial_dma_rx_int + 0x0 }

  logical irq  32 mapped  : <0x000a2c6c> { _bfin_serial_dma_tx_int + 0x0 }

  logical irq  35 mapped  : <0x000c3860> { _bfin_mac_interrupt + 0x0 }

  logical irq  59 mapped  : <0x000d80b8> { _blackfin_interrupt + 0x0 }

  logical irq  62 mapped  : <0x000db4a4> { _dma_controller_irq + 0x0 }

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x0207a000> /* kernel dynamic memory (maybe user-space) */

RETX: <0x029919d8> /* kernel dynamic memory (maybe user-space) */

RETS: <0x029917f0> /* kernel dynamic memory (maybe user-space) */

PC  : <0x02990f4c> /* kernel dynamic memory (maybe user-space) */

PROCESSOR STATE:

R0 : 00000001    R1 : 00000055    R2 : 00000001    R3 : 00000100

R4 : 00000006    R5 : 00000001    R6 : 0299a6a0    R7 : 0299decc

P0 : 00000550    P1 : 02998a40    P2 : 02998a40    P3 : 00000001

P4 : 0299df44    P5 : 0299bd7c    FP : ffa10000    SP : 02079f24

LB0: 02991879    LT0: 0299186c    LC0: 00000000

LB1: 029827a5    LT1: 029827a4    LC1: 00000000

B0 : 00000000    L0 : 00000000    M0 : 00000004    I0 : 0299dc11

B1 : 00000000    L1 : 00000000    M1 : 00000000    I1 : 02998920

B2 : 00000000    L2 : 00000000    M2 : 00000000    I2 : 00000000

B3 : 00000000    L3 : 00000000    M3 : 00000000    I3 : 00000000

A0.w: 00000000   A0.x: 00000000   A1.w: 00000000   A1.x: 00000000

USP : ffa10000  ASTAT: 02003004

-------------------------------------------

ADSP-BF526-0.0 400(MHz CCLK) 80(MHz SCLK) (mpu off)

Linux version 2.6.33.4-ADI-2010R1-pre-svn8711 (test@uclinux81-bf526) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #60 Mon May 17 190

SEQUENCER STATUS:               Not tainted

SEQSTAT: 0000c03f  IPEND: 8030  IMASK: 0000  SYSCFG: 0006

  Global Interrupts Disabled (IPEND[4])

  Peripheral interrupts masked off

  Kernel interrupts masked off

  HWERRCAUSE: 0x3

  EXCAUSE   : 0x3f

  interrupts disabled

  physical IVG5 asserted : <0xffa00c0c> { _evt_ivhw + 0x0 }

  physical IVG15 asserted : <0xffa00a54> { _schedule_and_signal + 0x0 }

  logical irq   6 mapped  : <0xffa00358> { _bfin_coretmr_interrupt + 0x0 }

  logical irq  21 mapped  : <0x000dfc98> { _bfin_rtc_interrupt + 0x0 }

  logical irq  27 mapped  : <0x000e1da8> { _bfin_twi_interrupt_entry + 0x0 }

  logical irq  31 mapped  : <0x000a2ef8> { _bfin_serial_dma_rx_int + 0x0 }

  logical irq  32 mapped  : <0x000a2c6c> { _bfin_serial_dma_tx_int + 0x0 }

  logical irq  35 mapped  : <0x000c3860> { _bfin_mac_interrupt + 0x0 }

  logical irq  59 mapped  : <0x000d80b8> { _blackfin_interrupt + 0x0 }

  logical irq  62 mapped  : <0x000db4a4> { _dma_controller_irq + 0x0 }

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x0207a000> /* kernel dynamic memory (maybe user-space) */

RETX: <0x029919d8> /* kernel dynamic memory (maybe user-space) */

RETS: <0x029917f0> /* kernel dynamic memory (maybe user-space) */

PC  : <0xffa00aae> { _schedule_and_signal + 0x5a }

PROCESSOR STATE:

R0 : 00000000    R1 : 00000055    R2 : 00000001    R3 : 00000100

R4 : 00000006    R5 : 00000001    R6 : 0299a6a0    R7 : 0299decc

P0 : 00000550    P1 : 02998a40    P2 : 02998a40    P3 : 00000001

P4 : 0299df44    P5 : 0299bd7c    FP : ffa10000    SP : 02079e48

LB0: 02991879    LT0: 0299186c    LC0: 00000000

LB1: 029827a5    LT1: 029827a4    LC1: 00000000

B0 : 00000000    L0 : 00000000    M0 : 00000004    I0 : 0299dc11

B1 : 00000000    L1 : 00000000    M1 : 00000000    I1 : 02998920

B2 : 00000000    L2 : 00000000    M2 : 00000000    I2 : 00000000

B3 : 00000000    L3 : 00000000    M3 : 00000000    I3 : 00000000

A0.w: 00000000   A0.x: 00000000   A1.w: 00000000   A1.x: 00000000

USP : ffa10000  ASTAT: 02003004

Hardware Trace:

   0 Target : <0x00003ef8> { _trap_c + 0x0 }

     Source : <0xffa00cb6> { _evt_ivhw + 0xaa } CALL pcrel

   1 Target : <0xffa00c98> { _evt_ivhw + 0x8c }

     Source : <0xffa00c8a> { _evt_ivhw + 0x7e } IF !CC JUMP pcrel

   2 Target : <0xffa00c0c> { _evt_ivhw + 0x0 }

      FAULT : <0xffa00aac> { _schedule_and_signal + 0x58 } 0x3620

   3 Target : <0xffa00a54> { _schedule_and_signal + 0x0 }

     Source : <0xffa00d14> { _evt_ivhw + 0x108 } RTI

   4 Target : <0xffa00cc0> { _evt_ivhw + 0xb4 }

     Source : <0xffa00996> { _ret_from_exception + 0x66 } RTS

   5 Target : <0xffa00930> { _ret_from_exception + 0x0 }

     Source : <0xffa00cbc> { _evt_ivhw + 0xb0 } JUMP.L

   6 Target : <0xffa00cba> { _evt_ivhw + 0xae }

     Source : <0x00004026> { _trap_c + 0x12e } RTS

Kernel Stack

Stack info:

SP: [0x02079dec] <0x02079dec> /* kernel dynamic memory (maybe user-space) */

Memory from 0x02079de0 to 0207a000

02079de0: 00044b83  00000000  0000e4dc [00000006] 00000007  ffa10000  0000003f  ffa10000

02079e00: 00019acc  028f9918  02045b64  02079e80  00000000  00000007  02990f60  02990f4c

02079e20: 00000000  ffa00cba  0299bd7c  0299decc  0299a6a0  00000001  00000006  00000007

02079e40: 02079e80  00000013  029919d8  00008030  0000c03f  00000000  0207a000  029919d8

02079e60: ffa00aae <029917f0> 00000000  02003004  029827a5  02991879  029827a4  0299186c

02079e80: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079ea0: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079ec0: 00000000  00000004  00000000  00000000  02998920  0299dc11  ffa10000  ffa10000

02079ee0: 0299bd7c  0299df44  00000001  02998a40  02998a40  00000550  0299decc  0299a6a0

02079f00: 00000001  00000006  00000100  00000001  00000055  00000000  00000000  00000550

02079f20: 00000006  02990f4c  02990f4c  0000c000  00000000  0207a000  029919d8  02990f4c

02079f40:<029917f0> 00000001  02003004  029827a5  02991879  029827a4  0299186c  00000000

02079f60: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079f80: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079fa0: 00000004  00000000  00000000  02998920  0299dc11  ffa10000  ffa10000  0299bd7c

02079fc0: 0299df44  00000001  02998a40  02998a40  00000550  0299decc  0299a6a0  00000001

02079fe0: 00000006  00000100  00000001  00000055  00000001  00000001  00000550  00000006

Return addresses in stack:

    address : <0x029917f0> /* kernel dynamic memory (maybe user-space) */

    address : <0x029917f0> /* kernel dynamic memory (maybe user-space) */

Modules linked in:

Kernel panic - not syncing: Kernel exception

Hardware Trace:

Stack info:

SP: [0x02079d64] <0x02079d64> /* kernel dynamic memory (maybe user-space) */

Memory from 0x02079d60 to 0207a000

02079d60: 00000013 [00174748] 0013df8e  02079e48  00174748  001b34be  001b34be  001b34be

02079d80: 02079d9c  00004334  02079e48  0299df44  00000001  0299decc  02079e48  0000ffff

02079da0: ffffffff  00006334  00010a20  00030002  ffffffff  6678303c  30316166  3e303030

02079dc0: 202a2f20  6e72656b  64206c65  6d616e79  6d206369  726f6d65  00000000  0001991c

02079de0: 00044b83  00000000  0000e4dc  00000006  00000007  ffa10000  0000003f  ffa10000

02079e00: 00019acc  028f9918  02045b64  02079e80  00000000  00000007  02990f60  02990f4c

02079e20: 00000000  ffa00cba  0299bd7c  0299decc  0299a6a0  00000001  00000006  00000007

02079e40: 02079e80  00000013  029919d8  00008030  0000c03f  00000000  0207a000  029919d8

02079e60: ffa00aae <029917f0> 00000000  02003004  029827a5  02991879  029827a4  0299186c

02079e80: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079ea0: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079ec0: 00000000  00000004  00000000  00000000  02998920  0299dc11  ffa10000  ffa10000

02079ee0: 0299bd7c  0299df44  00000001  02998a40  02998a40  00000550  0299decc  0299a6a0

02079f00: 00000001  00000006  00000100  00000001  00000055  00000000  00000000  00000550

02079f20: 00000006  02990f4c  02990f4c  0000c000  00000000  0207a000  029919d8  02990f4c

02079f40:<029917f0> 00000001  02003004  029827a5  02991879  029827a4  0299186c  00000000

02079f60: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079f80: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

02079fa0: 00000004  00000000  00000000  02998920  0299dc11  ffa10000  ffa10000  0299bd7c

02079fc0: 0299df44  00000001  02998a40  02998a40  00000550  0299decc  0299a6a0  00000001

02079fe0: 00000006  00000100  00000001  00000055  00000001  00000001  00000550  00000006

Return addresses in stack:

    address : <0x029917f0> /* kernel dynamic memory (maybe user-space) */

    address : <0x029917f0> /* kernel dynamic memory (maybe user-space) */

--

Follow-ups

--- Vivi Li                                                  2010-06-03 03:34:34

This test failed on May, 2/4/9/17/20, and not happened all the time.

Need to recheck from time to time.

--- Vivi Li                                                  2010-06-29 05:27:58

I see this bug again with following revision. Need to recheck from time to

time.

--

kernel:    Linux release 2.6.34-ADI-2010R1-pre-svn8929, build #160 Tue Jun 22

05:54:58 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3951)

user-dist: release svn-9683, build #3057 Tue Jun 22 05:54:16 CST 2010

--

--- Sonic Zhang                                              2010-07-13 02:49:10

Can't replicate on uClinux-dist svn 9723 and kernel svn 8985.

Running test 84 for exception 0x2e: Illegal use of supervisor resource -

Instruction

... PASS (test completed 1/1 times, as expected by signal 4: Illegal

instruction)

--- Vivi Li                                                  2010-07-22 03:09:42

85 test case at present is not the same one when I report this bug.

Now test 93 will make kernel panic.

--

root:/> traps_test 93

Running test 93 for exception 0x3f: Stack set to non-existant L1

... External Memory Addressing Error

Kernel OOPS in progress

HW Error context

CURRENT PROCESS:

COMM=traps_test PID=243  CPU=0

TEXT = 0x029a0040-0x029a88e0        DATA = 0x029a8900-0x029ac068

BSS = 0x029ac068-0x029ac4f0  USER-STACK = 0x029adf54

return address: [0xffa00b36]; contents of:

0xffa00b10:  0170  0173  0171  0174  0172  0175  0166  0140

0xffa00b20:  0167  31c3  0140  017c  017d  017e  0179  0140

0xffa00b30:  017b  6000  3620 [3628] 3630  3638  e108  203c

0xffa00b40:  e148  ffe0  e109  0f84  e149  ffa0  9341  0023

Looks like this was a deferred error - sorry

It might be better to look around here :

-------------------------------------------

ADSP-BF526-0.0 400(MHz CCLK) 80(MHz SCLK) (mpu off)

Linux version 2.6.34.1-ADI-2010R1-pre-svn8996 (test@uclinux81-bf526) (gcc

version 4.3.4 (ADI-trunk/svn-3951) ) #260 Thu Jul 22 00

SEQUENCER STATUS:               Not tainted

SEQSTAT: 0000c000  IPEND: 29a0f44  IMASK: 0000  SYSCFG: 0006

  Peripheral interrupts masked off

  Kernel interrupts masked off

  EXCAUSE   : 0x0

  physical IVG2 asserted : <0xffa00da0> { _evt_nmi + 0x0 }

  physical IVG6 asserted : <0xffa00da4> { _evt_timer + 0x0 }

  physical IVG8 asserted : <0xffa00e1c> { _evt_evt8 + 0x0 }

  physical IVG9 asserted : <0xffa00e58> { _evt_evt9 + 0x0 }

  physical IVG10 asserted : <0xffa00e94> { _evt_evt10 + 0x0 }

  physical IVG11 asserted : <0xffa00ed0> { _evt_evt11 + 0x0 }

  logical irq   6 mapped  : <0xffa00380> { _bfin_coretmr_interrupt + 0x0

}

  logical irq  21 mapped  : <0x000e0bb8> { _bfin_rtc_interrupt + 0x0 }

  logical irq  27 mapped  : <0x000e2cf0> { _bfin_twi_interrupt_entry +

0x0 }

  logical irq  31 mapped  : <0x000a3978> { _bfin_serial_dma_rx_int + 0x0

}

  logical irq  32 mapped  : <0x000a36ec> { _bfin_serial_dma_tx_int + 0x0

}

  logical irq  35 mapped  : <0x000c4470> { _bfin_mac_interrupt + 0x0 }

  logical irq  59 mapped  : <0x000d8d10> { _blackfin_interrupt + 0x0 }

  logical irq  62 mapped  : <0x000dc214> { _dma_controller_irq + 0x0 }

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x0298a000> /* kernel dynamic memory (maybe user-space) */

RETX: <0x029a19d0> /* kernel dynamic memory (maybe user-space) */

RETS: <0x029a17e8> /* kernel dynamic memory (maybe user-space) */

PC  : <0x029a0f44> /* kernel dynamic memory (maybe user-space) */

PROCESSOR STATE:

R0 : 00000001    R1 : 0000005d    R2 : 00000001    R3 : 00000100

R4 : 00000006    R5 : 00000001    R6 : 029aa6a0    R7 : 029adee0

P0 : 000005d0    P1 : 029a8a38    P2 : 029a8a38    P3 : 00000001

P4 : 029adf58    P5 : 029abe80    FP : ffafff00    SP : 02989f24

LB0: 029a1871    LT0: 029a1864    LC0: 00000000

LB1: 0299279d    LT1: 0299279c    LC1: 00000000

B0 : 00000000    L0 : 00000000    M0 : 00000004    I0 : 029adc25

B1 : 00000000    L1 : 00000000    M1 : 00000000    I1 : 029a8920

B2 : 00000000    L2 : 00000000    M2 : 00000000    I2 : 00000000

B3 : 00000000    L3 : 00000000    M3 : 00000000    I3 : 00000000

A0.w: 00000000   A0.x: 00000000   A1.w: 00000000   A1.x: 00000000

USP : ffafff00  ASTAT: 02003004

(...)

--

--- Sonic Zhang                                              2010-08-17 04:02:08

Can't replicate on kernel rev. 9029 and bf526 v0.2 and v0.0.

Running test 93 for exception 0x3f: Stack set to non-existant L1

... PASS (test completed 1/1 times, as expected by signal 7: Bus error)

--- Vivi Li                                                  2011-04-29 02:28:28

I see this bug happen again on Jan and Feb in 2011 for 3 times.

--- Vivi Li                                                  2011-06-08 03:44:28

I don't see this bug for several months.

Can't replicate now. Close this bug.

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