From: "Martin J. Bligh" <mbligh@aracnet.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [Bug 856] New: File Sysyem based AIO hangs on 2.5.73-mm1
Date: Fri, 27 Jun 2003 13:10:44 -0700 [thread overview]
Message-ID: <44280000.1056744644@[10.10.2.4]> (raw)
Summary: File Sysyem based AIO hangs on 2.5.73-mm1
Kernel Version: 2.5.73-mm1
Status: NEW
Severity: high
Owner: akpm@digeo.com
Submitter: slpratt@us.ibm.com
Distribution:SLES8.0 + 2.5.73-mm1
Hardware Environment:8way 900Mhz 4xIBM Servraid 80 disks
Problem Description:
Multithreaded file system based AIO results in defunct processes.
Steps to reproduce:
Get rawread from
http://www-124.ibm.com/developerworks/opensource/linuxperf/rawread/rawread.html
rawread -t12 -p160 -m20 -d6 -s 65536 -n4096 -f
Test passed for block sizes 1k, 2k, 4k, 8k, 16k, 32k, before dying on 64k block
size.
Trace of one of the defunct threads follows:
rawread D 00000001 18960 18891 18963 18959 (NOTLB)
f33cbbd0 00000086 c0517660 00000001 000000ff f7abde00 f7378b60 f7abde00
f7abde00 f6d0b6a0 f7abde00 f6d0b6a0 e42906f0 c0517660 f6d0b6a0 c0577680
f33cbbdc c011dbf6 f33cbc0c d54c4420 c0158be5 f6d0b6a0 f33cbc04 00000000
Call Trace:
[<c011dbf6>] io_schedule+0x26/0x30
[<c0158be5>] __wait_on_buffer_wq+0xf5/0x100
[<c011eb40>] autoremove_wake_function+0x0/0x50
[<c011eb40>] autoremove_wake_function+0x0/0x50
[<c011eb40>] autoremove_wake_function+0x0/0x50
[<c015a05c>] __bread_slow_wq+0x3c/0x100
[<c015a3d0>] __bread_wq+0x40/0x50
[<c01ac66c>] ext2_get_branch_wq+0x7c/0x160
[<c01acaea>] ext2_get_block_wq+0x8a/0x440
[<c0306c55>] as_set_request+0x25/0x80
[<c0305bde>] as_update_arq+0x2e/0x80
[<c01acf0f>] ext2_get_block+0x2f/0x40
[<c0179881>] do_mpage_readpage+0x3c1/0x3d0
[<c01391e1>] add_to_page_cache+0x71/0x110
[<c01799ee>] mpage_readpages+0x15e/0x1b0
[<c01acee0>] ext2_get_block+0x0/0x40
[<c013d200>] __rmqueue+0xf0/0x160
[<c013fa6c>] read_pages+0x15c/0x170
[<c01acee0>] ext2_get_block+0x0/0x40
[<c013d6df>] __alloc_pages+0x14f/0x330
[<c013fbd6>] do_page_cache_readahead+0x156/0x1d0
[<c013fcc5>] page_cache_readahead+0x75/0x190
[<c017d34d>] aio_setup_iocb+0x14d/0x1c0
[<c017d58f>] io_submit_one+0x18f/0x220
[<c017d6dc>] sys_io_submit+0xbc/0x140
[<c010b03f>] syscall_call+0x7/0xb
reply other threads:[~2003-06-27 19:56 UTC|newest]
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