[#3882] copy file function cp, after few times consume all memory
Submitted By: Jiri Beranek
Open Date
2008-02-02 06:11:16 Close Date
2008-03-17 18:51:35
Priority:
Medium High Assignee:
Nobody
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
svn Revision: 6166
Category:
Kernel Functions Board:
STAMP
Processor:
BF537 Silicon Revision:
0.2
Is this bug repeatable?:
Yes Resolution:
Rejected
Uboot version or rev.:
svn Revision: 1134 Toolchain version or rev.:
svn Revision: 2170
App binary format:
Summary: copy file function cp, after few times consume all memory
Details:
This happen, if I mount mmc card by SPI_MMC driver or by USB-MASS STORAGE.
Copy large data block...
root:/> usb 1-1.3: reset high speed USB device using isp1761 and address 3
scsi 0:0:0:0: Direct-Access OTi CF CARD Reader 2.00 PQ: 0 ANSI: 0 CCS
sd 0:0:0:0: [sda] Attached SCSI removable disk
scsi 0:0:0:1: Direct-Access OTi SM CARD Reader 2.00 PQ: 0 ANSI: 0 CCS
sd 0:0:0:1: [sdb] Attached SCSI removable disk
scsi 0:0:0:2: Direct-Access OTi SD CARD Reader 2.00 PQ: 0 ANSI: 0 CCS
sd 0:0:0:2: [sdc] 1950720 512-byte hardware sectors (999 MB)
sd 0:0:0:2: [sdc] Write Protect is off
sd 0:0:0:2: [sdc] Assuming drive cache: write through
sdc: sdc1 sdc2
sd 0:0:0:2: [sdc] Attached SCSI removable disk
scsi 0:0:0:3: Direct-Access OTi MS CARD Reader 2.00 PQ: 0 ANSI: 0 CCS
sd 0:0:0:3: [sdd] Attached SCSI removable disk
root:/> mount /dev/sdc2 /mnt
root:/> cp -a /mnt/home/ /mnt/testdir/ &
282
root:/> free
total used free shared buffers
Mem: 54972 17916 37056 0 72
Mem: 54972 28504 26468 0 208
Mem: 54972 33280 21692 0 216
Mem: 54972 37812 17160 0 288
Mem: 54972 39576 15396 0 312
Mem: 54972 44840 10132 0 456
Mem: 54972 51432 3540 0 456
free: page allocation failure. order:7, mode:0x40d0
Hardware Trace:
0 Target : <0x000046bc> { _dump_stack + 0x0 }
Source : <0x0002e3e2> { ___alloc_pages + 0x176 }
1 Target : <0x0002e3e2> { ___alloc_pages + 0x176 }
Source : <0x0000dcb6> { _printk + 0x16 }
2 Target : <0x0000dcb2> { _printk + 0x12 }
Source : <0x0000db68> { _vprintk + 0x1b8 }
3 Target : <0x0000db5c> { _vprintk + 0x1ac }
Source : <0xffa00d00> { __common_int_entry + 0xd8 }
4 Target : <0xffa00c9e> { __common_int_entry + 0x76 }
Source : <0xffa00ad0> { _return_from_int + 0x58 }
5 Target : <0xffa00ad0> { _return_from_int + 0x58 }
Source : <0xffa00aa6> { _return_from_int + 0x2e }
6 Target : <0xffa00a78> { _return_from_int + 0x0 }
Source : <0xffa00c9a> { __common_int_entry + 0x72 }
7 Target : <0xffa00c98> { __common_int_entry + 0x70 }
Source : <0xffa003ec> { _asm_do_IRQ + 0x68 }
8 Target : <0xffa003e4> { _asm_do_IRQ + 0x60 }
Source : <0x00011da2> { __local_bh_enable + 0x3e }
9 Target : <0x00011d64> { __local_bh_enable + 0x0 }
Source : <0x00011eac> { ___do_softirq + 0x94 }
10 Target : <0x00011ea4> { ___do_softirq + 0x8c }
Source : <0x00011e84> { ___do_softirq + 0x6c }
11 Target : <0x00011e78> { ___do_softirq + 0x60 }
Source : <0x00011f8c> { _tasklet_action + 0x7c }
12 Target : <0x00011f86> { _tasklet_action + 0x76 }
Source : <0x00011f62> { _tasklet_action + 0x52 }
13 Target : <0x00011f60> { _tasklet_action + 0x50 }
Source : <0x0001ba0a> { ___rcu_process_callbacks + 0xb6 }
14 Target : <0x0001ba04> { ___rcu_process_callbacks + 0xb0 }
Source : <0x0001b99a> { ___rcu_process_callbacks + 0x46 }
15 Target : <0x0001b996> { ___rcu_process_callbacks + 0x42 }
Source : <0x0001ba32> { ___rcu_process_callbacks + 0xde }
Stack from 01f1bd0c:
00000001 0002e3e6 00000000 00000001 000040d0 0378aeac 00000007 000040d0
00000000 001aea9c 00000000 000240d0 01f1a000 00000000 00000000 00000077
0002e4b6 00067000 00067000 001f5300 00000000 00000002 00000000 00000000
000040d0 000040d0 001aea98 000343a8 00000000 001f7600 00000006 00000002
001f7600 03792ca0 00067fff 65657266 00000000 fffffffe 01f1bf24 00048e80
0005f732 00000005 00001a70 001f7600 01f1a000 00066464 00000000 00013000
Call Trace:
[<0001ffa5>] _ktime_divns+0xc9/0xd0
[<00002978>] _do_rt_sigreturn+0x57c/0x854
[<0000a5e0>] _show_state_filter+0x134/0x154
[<00005963>] _peripheral_free+0x53/0x94
[<00067000>] _sysfs_delete_inode+0x14/0x48
[<00066464>] _rescan_partitions+0x1b4/0x1d8
[<0005be80>] _sys_epoll_ctl+0x84/0x330
[<00003ef3>] _decode_address+0xcf/0x1e4
[<0003b03a>] _search_binary_handler+0x82/0x1c4
[<0003c41e>] _do_execve+0x1b2/0x1f0
[<001c0650>] _inflate_fixed+0xec/0x138
[<001c05ec>] _inflate_fixed+0x88/0x138
[<00017b74>] _sys_rt_sigaction+0x0/0x84
[<00001906>] _sys_execve+0x2e/0x54
[<000018d8>] _sys_execve+0x0/0x54
[<00008000>] _dma_disable_irq+0x14/0x6c
[<00002000>] _get_sclk+0x4/0x58
[<001c05a4>] _inflate_fixed+0x40/0x138
[<001c0641>] _inflate_fixed+0xdd/0x138
[<001c063c>] _inflate_fixed+0xd8/0x138
Mem-info:
DMA per-cpu:
CPU 0: Hot: hi: 18, btch: 3 usd: 1 Cold: hi: 6, btch: 1 usd: 5
Active:379 inactive:11438 dirty:80 writeback:801 unstable:0
free:511 slab:729 mapped:0 pagetables:0 bounce:0
DMA free:2044kB min:952kB low:1188kB high:1428kB active:1516kB inactive:45752kBo
lowmem_reserve[]: 0 0
DMA: 5*4kB 5*8kB 6*16kB 3*32kB 8*64kB 4*128kB 1*256kB 1*512kB 0*1024kB 0*2048kBB
14335 pages of RAM
544 free pages
592 reserved pages
5114 pages shared
0 pages swap cached
Allocation of length 421888 from process 290 failed
Unable to allocate RAM for process text/data, errno 12
Undefined instruction
- May be used to emulate instructions that are not defined for
a particular processor implementation.
Deferred Exception context
CURRENT PROCESS:
COMM=free PID=290
TEXT = 0x00000000-0x00000000 DATA = 0x00000000-0x00000000
BSS = 0x00000000-0x00000000 USER-STACK = 0x00000000
return address: [0x0074de58]; contents of:
0x0074de30: dca0 0074 2380 0072 dca8 0074 509c 0072
0x0074de40: dcb0 0074 22a0 0072 dcb8 0074 3edc 0072
0x0074de50: 0000 0000 0000 0000 [dcc0] 0074 dccc 0074
0x0074de60: 0000 0000 dcd4 0074 dcdc 0074 dcf0 0074
SEQUENCER STATUS: Not tainted
SEQSTAT: 00002021 IPEND: 0030 SYSCFG: 0006
HWERRCAUSE: 0x0
EXCAUSE : 0x21
RETE: <0x00000000> /* Maybe null pointer? */
RETN: <0x01f1c000> /* unknown address */
RETX: <0x0074de58> [ sh + 0x4de58 ]
RETS: <0x0074de50> [ sh + 0x4de50 ]
PC : <0x0074de58> [ sh + 0x4de58 ]
DCPLB_FAULT_ADDR: <0x00766bcc> [ sh + 0x66bcc ]
ICPLB_FAULT_ADDR: <0x0074de58> [ sh + 0x4de58 ]
PROCESSOR STATE:
R0 : 00000000 R1 : 00000004 R2 : 001c05ec R3 : 00000003
R4 : 00008a3b R5 : 00719bc8 R6 : 00000000 R7 : 00766fb8
P0 : 0000000b P1 : 0075cf20 P2 : 0075bdb0 P3 : 00000122
P4 : 00766fa8 P5 : 001c0650 FP : 00766fa4 SP : 01f1bf24
LB0: 0070c7cf LT0: 0070c7ce LC0: 00000000
LB1: 00712759 LT1: 00712752 LC1: 00000000
B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 001c05a4
B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 006ee004
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 : 00766bd0 ASTAT: 02003025
0 Target : <0x000047e0> { _trap_c + 0x0 }
Source : <0xffa0076c> { _exception_to_level5 + 0xb4 }
1 Target : <0xffa006b8> { _exception_to_level5 + 0x0 }
Source : <0xffa00614> { _ex_trap_c + 0x5c }
2 Target : <0xffa005b8> { _ex_trap_c + 0x0 }
Source : <0xffa0080c> { _trap + 0x28 }
3 Target : <0xffa007e4> { _trap + 0x0 }
Source : <0x0074de56> [ sh + 0x4de56 ]
4 Target : <0x0074de50> [ sh + 0x4de50 ]
Source : <0x0072305a> [ sh + 0x2305a ]
5 Target : <0x00723052> [ sh + 0x23052 ]
Source : <0x00723022> [ sh + 0x23022 ]
6 Target : <0x0072300c> [ sh + 0x2300c ]
Source : <0x00722f50> [ sh + 0x22f50 ]
7 Target : <0x00722f44> [ sh + 0x22f44 ]
Source : <0x00701f8c> [ sh + 0x1f8c ]
8 Target : <0x00701f86> [ sh + 0x1f86 ]
Source : <0x00701f9a> [ sh + 0x1f9a ]
9 Target : <0x00701f92> [ sh + 0x1f92 ]
Source : <0x007037bc> [ sh + 0x37bc ]
10 Target : <0x007037ac> [ sh + 0x37ac ]
Source : <0x00701f8e> [ sh + 0x1f8e ]
11 Target : <0x00701f8e> [ sh + 0x1f8e ]
Source : <0x00701f82> [ sh + 0x1f82 ]
12 Target : <0x00701f7a> [ sh + 0x1f7a ]
13 Target : <0xffa00c9e> { __common_int_entry + 0x76 }
Source : <0xffa00ec4> { _evt_system_call + 0x64 }
14 Target : <0xffa00ec4> { _evt_system_call + 0x64 }
Source : <0xffa00994> { _system_call + 0xb8 }
15 Target : <0xffa00990> { _system_call + 0xb4 }
Source : <0xffa00980> { _system_call + 0xa4 }
Stack from 01f1bf04:
ffffe000 ffa00770 001aafcc 001aafcc 001aafc8 00000003 00000001 00034cb4
0074de58 00000030 00002021 00000000 01f1c000 0074de58 0074de58 0074de50
00000000 02003025 00712759 0070c7cf 00712752 0070c7ce 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 006ee004 001c05a4 00766bd0 00766fa4 001c0650 00766fa8
[<00008a3b>] _blackfin_icache_dcache_flush_range+0x1f/0x2c
Illegal instruction
root:/>
Follow-ups
--- Robin Getz 2008-02-04 12:06:58
This is well known, and expected behavior. Page cache fills up.
Try something like
echo 30 > proc/sys/vm/pagecache_ratio
-Robin
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