[#5813] Gadget serial tests will make kernel crash

Submitted By: Vivi Li

Open Date

2010-01-05 04:30:22 Close Date

2010-01-21 21:44:10

Priority:

Medium Assignee:

Cliff Cai

Status:

Closed Fixed In Release:

N/A

Found In Release:

2010R1 Release:

Category:

Drivers Board:

N/A

Processor:

BF548 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3_trunk3771

App binary format:

N/A

Summary: Gadget serial tests will make kernel crash

Details:

Gadget serial tests will make kernel crash.

It happens when write to gadget serial driver.

Both of generic and linuxACM tests may fail.

This bug does not exist in 09r1.1

Bellow is the log on BF548-ezkit:

Linux version 2.6.32.2-ADI-2010R1-pre-svn8107 (test@uclinux62-548-usbdev) (gcc version 4.3.4 (ADI-trunk/svn-3771) ) #56 Mon Jan 4 09:40:30 CST 2010^M

bootconsole [early_shadow0] enabled^M

bootconsole [early_BFuart1] enabled^M

early printk enabled on early_BFuart1^M

Board Memory: 64MB^M

Kernel Managed Memory: 64MB^M

Memory map:^M

fixedcode = 0x00000400-0x00000490^M

text = 0x00001000-0x0019ba60^M

rodata = 0x0019ba60-0x00231e98^M

bss = 0x00232000-0x00246774^M

data = 0x00246774-0x00260000^M

stack = 0x00260000-0x00262000^M

init = 0x00262000-0x009cc000^M

available = 0x009cc000-0x03e00000^M

DMA Zone = 0x03e00000-0x04000000^M

Hardware Trace Active and Enabled^M

Boot Mode: 1^M

Recovering from Watchdog event^M

Compiled for ADSP-BF548 Rev 0.2^M

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

Processor Speed: 525 MHz core clock and 131 MHz System Clock^M

NOMPU: setting up cplb tables^M

Instruction Cache Enabled for CPU0^M

External memory: cacheable in instruction cache^M

L2 SRAM : uncacheable in instruction cache^M

Data Cache Enabled for CPU0^M

External memory: cacheable (write-through) in data cache^M

L2 SRAM : uncacheable in data cache^M

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 15748^M

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:bf548-ezkit:eth0:off^M

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

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

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

Memory available: 52888k/65536k RAM, (7592k init code, 1642k kernel code, 794k data, 2048k dma, 572k reserved)^M

Hierarchical RCU implementation.^M

NR_IRQS:263^M

Configuring Blackfin Priority Driven Interrupts^M

console [ttyBF1] enabled, bootconsole disabled^M

Calibrating delay loop... 1046.52 BogoMIPS (lpj=2093056)^M

Mount-cache hash table entries: 512^M

Blackfin Scratchpad data SRAM: 4 KB^M

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

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

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

Blackfin L2 SRAM: 128 KB (128 KB free)^M

NET: Registered protocol family 16^M

Blackfin DMA Controller^M

ezkit_init(): registering device resources^M

bio: create slab <bio-0> at 0^M

SCSI subsystem initialized^M

usbcore: registered new interface driver usbfs^M

usbcore: registered new interface driver hub^M

usbcore: registered new device driver usb^M

Switching to clocksource jiffies^M

musb_hdrc: version 6.0, pio, peripheral, debug=0^M

musb_hdrc: USB Peripheral mode controller at ffc03c00 using PIO, IRQ 82^M

NET: Registered protocol family 2^M

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

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

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

TCP: Hash tables configured (established 2048 bind 2048)^M

TCP reno registered^M

NET: Registered protocol family 1^M

Slow work thread pool: Starting up^M

Slow work thread pool: Ready^M

msgmni has been set to 103^M

io scheduler noop registered^M

io scheduler anticipatory registered (default)^M

bf54x-lq043: FrameBuffer initializing...^M

dma_alloc_init: dma_page @ 0x029b6000 - 512 pages at 0x03e00000^M

bfin-otp: initialized^M

bfin-uart: Blackfin serial driver^M

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 48) is a BFIN-UART^M

brd: module loaded^M

scsi0 : pata-bf54x^M

ata1: PATA max UDMA/66 irq 68^M

physmap platform flash device: 02000000 at 20000000^M

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

Intel/Sharp Extended Query Table at 0x010A^M

Using buffer write method^M

Using auto-unlock on power-up/resume^M

cfi_cmdset_0001: Erase suspend on write enabled^M

RedBoot partition parsing not available^M

Using physmap partition information^M

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

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

0x000000040000-0x000000440000 : "linux kernel(nor)"^M

0x000000440000-0x000001000000 : "file system(nor)"^M

bf5xx-nand bf5xx-nand.0: page_size=256, data_width=8, wr_dly=3, rd_dly=3^M

NAND device: Manufacturer ID: 0x20, Chip ID: 0xda (ST Micro NAND 256MiB 3,3V 8-bit)^M

Creating 2 MTD partitions on "NAND 256MiB 3,3V 8-bit":^M

0x000000000000-0x000000400000 : "linux kernel(nand)"^M

0x000000400000-0x000010000000 : "file system(nand)"^M

m25p80 spi0.1: m25p16 (2048 Kbytes)^M

Creating 2 MTD partitions on "m25p80":^M

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

ata1.00: ATA-7: FUJITSU MHW2040AT, 0000000B, max UDMA/100^M

ata1.00: 78140160 sectors, multi 16: LBA ^M

0x000000040000-0x000000200000 : "linux kernel(spi)"^M

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@4^M

bfin-spi bfin-spi.1: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc02300, dma channel@5^M

ata1.00: configured for UDMA/66^M

blk_queue_max_hw_segments: set to minimum 1^M

scsi 0:0:0:0: Direct-Access ATA FUJITSU MHW2040A 0000 PQ: 0 ANSI: 5^M

smsc911x: Driver version 2008-10-21.^M

smsc911x-mdio: probed^M

eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1)^M

net eth0: MAC Address: 00:e0:22:fe:bd:09^M

sd 0:0:0:0: [sda] 78140160 512-byte logical blocks: (40.0 GB/37.2 GiB)^M

sd 0:0:0:0: [sda] Write Protect is off^M

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA^M

Initializing USB Mass Storage driver...^M

usbcore: registered new interface driver usb-storage^M

sda:^M

USB Mass Storage support registered.^M

input: bf54x-keys as /devices/platform/bf54x-keys/input/input0^M

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

i2c /dev entries driver^M

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc00700^M

i2c-bfin-twi i2c-bfin-twi.1: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc02200^M

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

bfin-sdh bfin-sdh.0: unable to request DMA channel^M

bfin-sdh: probe of bfin-sdh.0 failed with error -16^M

usbcore: registered new interface driver usbhid^M

usbhid: v2.6:USB HID core driver^M

Advanced Linux Sound Architecture Driver Version 1.0.21.^M

No device for DAI SSM2602^M

dma rx:0 tx:1, err irq:10, regs:ffc00800^M

ssm2602 Audio Codec 0.1^M

asoc: SSM2602 <-> bf5xx-i2s mapping ok^M

ALSA device list:^M

#0: bf5xx_ssm2602 (SSM2602)^M

TCP cubic registered^M

NET: Registered protocol family 17^M

rtc-bfin rtc-bfin: setting system clock to 2005-01-31 13:33:29 UTC (1107178409)^M

sda1^M

sd 0:0:0:0: [sda] Attached SCSI disk^M

net eth0: SMSC911x/921x identified at 0x24000000, IRQ: 175^M

IP-Config: Complete:^M

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

host=bf548-ezkit, domain=, nis-domain=(none),^M

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=^M

Freeing unused kernel memory: 7592k freed^M

_____________________________________^M

a8888b. / Welcome to the uClinux distribution \^M

d888888b. / _ _ \^M

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

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

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

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

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

dP . Y8b. \ For embedded processors including |^M

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

d8" 'Y88b \___________________________________/^M

:8P ' :888^M

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

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

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

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

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

Have a lot of fun...^M

BusyBox v1.15.3 (2010-01-04 04:14:58 CST) hush - the humble shell^M

root:/> version^M

kernel: Linux release 2.6.32.2-ADI-2010R1-pre-svn8107, build #56 Mon Jan 4 09:40:30 CST 2010^M

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3771) ^M

user-dist: release svn-9334, build #42 Mon Jan 4 09:39:36 CST 2010^M

root:/> successful boot attempt

************** STEP 3: Start testing.

ifconfig eth0 10.100.4.50^M

root:/> ^M

root:/> modprobe g_serial use_acm=1^M

g_serial gadget: Gadget Serial v2.4^M

g_serial gadget: g_serial ready^M

root:/> g_serial gadget: high speed config #2: CDC ACM config^M

Case 1 ...PASS

dmesg|tail^M

sd 0:0:0:0: [sda] Attached SCSI disk^M

net eth0: SMSC911x/921x identified at 0x24000000, IRQ: 175^M

IP-Config: Complete:^M

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

host=bf548-ezkit, domain=, nis-domain=(none),^M

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=^M

Freeing unused kernel memory: 7592k freed^M

g_serial gadget: Gadget Serial v2.4^M

g_serial gadget: g_serial ready^M

g_serial gadget: high speed config #2: CDC ACM config^M

root:/>

Case 2 ...PASS

spawn /bin/bash^M

su^M

^[[?1034htest@uclinux62-548-usbdev:..testsuites/usbdev> su^M

Password: ^M

^[[?1034h^[[1m^[[31muclinux62-548-usbdev:..testsuites/usbdev # ^[(B^[[m

Case 3 ...PASS

sudo mount -t usbfs none /proc/bus/usb/^M

mount: none already mounted or /proc/bus/usb/ busy

Case 4 ...PASS

mount^M

^[[1m^[[31muclinux62-548-usbdev:..testsuites/usbdev # ^[(B^[[mmount^M

/dev/sda2 on / type ext3 (rw,acl,user_xattr)^M

proc on /proc type proc (rw)^M

sysfs on /sys type sysfs (rw)^M

debugfs on /sys/kernel/debug type debugfs (rw)^M

udev on /dev type tmpfs (rw)^M

devpts on /dev/pts type devpts (rw,mode=0620,gid=5)^M

/dev/sdb1 on /home type ext3 (rw,acl,user_xattr)^M

/dev/sda3 on /usr type ext3 (rw,acl,user_xattr)^M

fusectl on /sys/fs/fuse/connections type fusectl (rw)^M

securityfs on /sys/kernel/security type securityfs (rw)^M

none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)^M

nfsd on /proc/fs/nfsd type nfsd (rw)^M

rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)^M

gvfs-fuse-daemon on /home/test/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=test)^M

none on /proc/bus/usb type usbfs (rw)^M

^[[1m^[[31muclinux62-548-usbdev:..testsuites/usbdev # ^[(B^[[m

Case 5 ...PASS

cat /proc/bus/usb/devices|grep -i gadget^M

S: Product=Gadget Serial v2.4^M

^[[1m^[[31muclinux62-548-usbdev:..testsuites/usbdev # ^[(B^[[m

Case 6 ...PASS

cat /dev/ttyACM0 > serial_linuxACM^M

Case 7 ...PASS

ls /dev^M

^[[1;35maudio^[[0m ^[[1;35mmtd2^[[0m ^[[1;35mnull^[[0m ^[[1;35mram8^[[0m^M

^[[1;35mbfin-otp^[[0m ^[[1;35mmtd2ro^[[0m ^[[1;36mpcmC0D0c^[[0m ^[[1;35mram9^[[0m^M

^[[1;35mconsole^[[0m ^[[1;35mmtd3^[[0m ^[[1;36mpcmC0D0p^[[0m ^[[1;35mrandom^[[0m^M

^[[1;36mcontrolC0^[[0m ^[[1;35mmtd3ro^[[0m ^[[1;35mptmx^[[0m ^[[1;35mrtc0^[[0m^M

^[[1;35mcpu_dma_latency^[[0m ^[[1;35mmtd4^[[0m ^[[1;34mpts^[[0m ^[[1;35msda^[[0m^M

^[[1;35mdsp^[[0m ^[[1;35mmtd4ro^[[0m ^[[1;35mram0^[[0m ^[[1;35msda1^[[0m^M

^[[1;35mfb0^[[0m ^[[1;35mmtd5^[[0m ^[[1;35mram1^[[0m ^[[1;34msnd^[[0m^M

^[[1;36mfd^[[0m ^[[1;35mmtd5ro^[[0m ^[[1;35mram10^[[0m ^[[1;36mstderr^[[0m^M

^[[1;35mfull^[[0m ^[[1;35mmtd6^[[0m ^[[1;35mram11^[[0m ^[[1;36mstdin^[[0m^M

^[[1;35mi2c-0^[[0m ^[[1;35mmtd6ro^[[0m ^[[1;35mram12^[[0m ^[[1;36mstdout^[[0m^M

^[[1;35mi2c-1^[[0m ^[[1;35mmtdblock0^[[0m ^[[1;35mram13^[[0m ^[[1;36mtimer^[[0m^M

^[[1;35mkmsg^[[0m ^[[1;35mmtdblock1^[[0m ^[[1;35mram14^[[0m ^[[1;35mtty^[[0m^M

^[[1;35mlog^[[0m ^[[1;35mmtdblock2^[[0m ^[[1;35mram15^[[0m ^[[1;35mttyBF1^[[0m^M

^[[1;35mmem^[[0m ^[[1;35mmtdblock3^[[0m ^[[1;35mram2^[[0m ^[[1;35mttyGS0^[[0m^M

^[[1;35mmixer^[[0m ^[[1;35mmtdblock4^[[0m ^[[1;35mram3^[[0m ^[[1;35murandom^[[0m^M

^[[1;35mmtd0^[[0m ^[[1;35mmtdblock5^[[0m ^[[1;35mram4^[[0m ^[[1;35musbmon0^[[0m^M

^[[1;35mmtd0ro^[[0m ^[[1;35mmtdblock6^[[0m ^[[1;35mram5^[[0m ^[[1;35mwatchdog^[[0m^M

^[[1;35mmtd1^[[0m ^[[1;35mnetwork_latency^[[0m ^[[1;35mram6^[[0m ^[[1;35mzero^[[0m^M

^[[1;35mmtd1ro^[[0m ^[[1;35mnetwork_throughput^[[0m ^[[1;35mram7^[[0m^M

root:/>

Case 8 ...PASS

cat /etc/boa.conf > /dev/ttyGS0^M

BUG: scheduling while atomic: cat/324/0x00000100^M

Modules linked in: g_serial^M

ADSP-BF548-0.2 525(MHz CCLK) 131(MHz SCLK) (mpu off)^M

Linux version 2.6.32.2-ADI-2010R1-pre-svn8107 (test@uclinux62-548-usbdev) (gcc version 4.3.4 (ADI-trunk/svn-3771) ) #56 Mon Jan 4 09:40:30 CST 2010^M

SEQUENCER STATUS: Not tainted^M

SEQSTAT: 00002000 IPEND: 8810 IMASK: 0000 SYSCFG: 0006^M

Global Interrupts Disabled (IPEND[4])^M

Peripheral interrupts masked off^M

Kernel interrupts masked off^M

EXCAUSE : 0x0^M

interrupts disabled^M

physical IVG11 asserted : <0xffa00e84> { _evt_evt11 + 0x0 }^M

physical IVG15 asserted : <0xffa00f38> { _evt_system_call + 0x0 }^M

logical irq 6 mapped : <0xffa0039c> { _bfin_coretmr_interrupt + 0x0 }^M

logical irq 9 mapped : <0x000b408c> { _bfin_bf54x_irq_error + 0x0 }^M

logical irq 10 mapped : <0x00148740> { _err_handler + 0x0 }^M

logical irq 14 mapped : <0x0011592c> { _bfin_rtc_interrupt + 0x0 }^M

logical irq 16 mapped : <0x00148a44> { _rx_handler + 0x0 }^M

logical irq 17 mapped : <0x001489e8> { _tx_handler + 0x0 }^M

logical irq 48 mapped : <0x000c0de4> { _bfin_serial_dma_rx_int + 0x0 }^M

logical irq 49 mapped : <0x000c0b68> { _bfin_serial_dma_tx_int + 0x0 }^M

logical irq 52 mapped : <0x00118388> { _bfin_twi_interrupt_entry + 0x0 }^M

logical irq 53 mapped : <0x00118388> { _bfin_twi_interrupt_entry + 0x0 }^M

logical irq 68 mapped : <0x000e492c> { _bfin_ata_interrupt + 0x0 }^M

logical irq 74 mapped : <0x000f38ac> { _bf5xx_nand_dma_irq + 0x0 }^M

logical irq 76 mapped : <0x0011393c> { _bfin_kpad_isr + 0x0 }^M

logical irq 82 mapped : <0x0010eb38> { _blackfin_interrupt + 0x0 }^M

logical irq 175 mapped : <0x000fa78c> { _smsc911x_irqhandler + 0x0 }^M

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

RETN: <0x02b6c000> /* kernel dynamic memory */^M

RETX: <0x02d0404e> [ cat + 0x400e ]^M

RETS: <0x02b2c870> { :g_serial:_gserial_disconnect + 0x560 }^M

PC : <0x02b2c884> { :g_serial:_gserial_disconnect + 0x574 }^M

PROCESSOR STATE:^M

R0 : 0000ffff R1 : 00000003 R2 : 003d0900 R3 : 00906c00^M

R4 : 00000001 R5 : 02a14000 R6 : 0000ffff R7 : 00000002^M

P0 : 02b03002 P1 : 02b6be34 P2 : 00247c50 P3 : 02b8ba40^M

P4 : 02a14000 P5 : 02a558e0 FP : 02a14084 SP : 02b6bcfc^M

LB0: 000a8440 LT0: 000a843e LC0: 00000000^M

LB1: 02a94a4b LT1: 02a94a42 LC1: 00000000^M

B0 : 00000000 L0 : 00000000 M0 : 00000004 I0 : 02d6cfed^M

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 02b64074^M

B2 : 00000000 L2 : 00000000 M2 : 00000000 I2 : 02d6ceb8^M

B3 : 00000000 L3 : 00000000 M3 : 00000000 I3 : 00000000^M

A0.w: 00000003 A0.x: 00000000 A1.w: 00000003 A1.x: 00000000^M

USP : 02d6be1c ASTAT: 02003004^M

NULL pointer access^M

Kernel OOPS in progress^M

Deferred Exception context^M

No Valid process in current context^M

return address: [0xffa0084a]; contents of:^M

0xffa00820: 0011 e801 0000 0010 e10a 2108 e14a ffe0 ^M

0xffa00830: 0023 9110 b070 3107 b230 307e e106 e000 ^M

0xffa00840: e146 ffff 55f7 3217 9152 [e716] 0082 e127 ^M

0xffa00850: 0172 3070 08be 1383 307e e106 e000 e146 ^M

ADSP-BF548-0.2 525(MHz CCLK) 131(MHz SCLK) (mpu off)^M

Linux version 2.6.32.2-ADI-2010R1-pre-svn8107 (test@uclinux62-548-usbdev) (gcc version 4.3.4 (ADI-trunk/svn-3771) ) #56 Mon Jan 4 09:40:30 CST 2010^M

SEQUENCER STATUS: Not tainted^M

SEQSTAT: 00002027 IPEND: 8008 IMASK: ffff SYSCFG: 0006^M

EXCAUSE : 0x27^M

physical IVG3 asserted : <0xffa00700> { _trap + 0x0 }^M