[LU-2292] LBUG triggered in osc_req_attr_set during read

Tue, 6 Nov 2012 18:20:21 +0000

Hit the following LBUG:

LustreError: 80171:0:(osc_io.c:797:osc_req_attr_set()) lock@ffff881021970078[0 5 0 0 0 00000000] R(1):[157696, 18446744073709551615]@[0x101d20000:0x589717:0x0] {
LustreError: 80171:0:(osc_io.c:797:osc_req_attr_set())     lovsub@ffff880c81deba20: [0 ffff880e9c0ff4d8 R(1):[6315008, 18446744073709551615]@[0x2000096a8:0xf91e:0x0]] 
LustreError: 80171:0:(osc_io.c:797:osc_req_attr_set())     osc@ffff881018998ef8: ffff880bb7a5ba80 40120002 0x129fb15958efe0ab 4 (null) size: 859832320 mtime: 1352195354 atime: 1352195204 ctime: 1352195354 blocks: 348929
LustreError: 80171:0:(osc_io.c:797:osc_req_attr_set()) } lock@ffff881021970078
LustreError: 80171:0:(osc_io.c:797:osc_req_attr_set()) no cover page!
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) page@ffff88078e4d4180[2 ffff8804b7a15d08:4983808 ^(null)_ffff88078e4d40c0 3 0 1 (null) ffff88082ad65300 0x0]
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) page@ffff88078e4d40c0[1 ffff8803554e3e68:124416 ^ffff88078e4d4180_(null) 3 0 1 (null) (null) 0x0]
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) vvp-page@ffff88078e4d3aa0(1:0:0) vm@ffffea001387d768 40000000000821 2:0 ffff88078e4d4180 4983808 lru
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) lov-page@ffff8803e3624fa8
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) osc-page@ffff88078e4d58e8: 1< 0x845fed 1 0 + + > 2< 509607936 0 4096 0x7 0x8 | (null) ffff880802ad69e0 ffff880337bf3968 > 3< + ffff8803fb52e040 1 125 0 > 4< 3 0 8 34246656 - | - - - - > 5< - - - - | 0 - | 0 - ->
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) end page@ffff88078e4d40c0
LustreError: 80171:0:(osc_io.c:799:osc_req_attr_set()) dump uncover page!
Pid: 80171, comm: ior

Call Trace:
 [<ffffffffa0336965>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
 [<ffffffffa0981753>] osc_req_attr_set+0x323/0x340 [osc]
 [<ffffffffa0564841>] cl_req_attr_set+0xd1/0x240 [obdclass]
 [<ffffffffa0970527>] osc_build_rpc+0x527/0x1770 [osc]
 [<ffffffffa098a9eb>] osc_send_read_rpc+0x6ab/0x8b0 [osc]
 [<ffffffff8120d8da>] ? security_capable+0x2a/0x30
 [<ffffffff81076dd3>] ? capable+0x13/0x50
 [<ffffffffa034c952>] ? cfs_hash_bd_from_key+0x42/0xe0 [libcfs]
 [<ffffffffa054d90c>] ? lu_object_put+0x12c/0x350 [obdclass]
 [<ffffffffa098ef9b>] osc_io_unplug0+0x9cb/0x12a0 [osc]
 [<ffffffffa0337b2e>] ? cfs_mem_cache_free+0xe/0x10 [libcfs]
 [<ffffffff8100bc0e>] ? apic_timer_interrupt+0xe/0x20
 [<ffffffffa098ff51>] osc_io_unplug+0x11/0x20 [osc]
 [<ffffffffa0998360>] osc_queue_sync_pages+0x1d0/0x638 [osc]
 [<ffffffffa0981e20>] osc_io_submit+0x330/0x4c0 [osc]
 [<ffffffffa056419c>] cl_io_submit_rw+0x6c/0x170 [obdclass]
 [<ffffffffa0a48da2>] lov_io_submit+0x4e2/0xc10 [lov]
 [<ffffffffa056419c>] cl_io_submit_rw+0x6c/0x170 [obdclass]
 [<ffffffffa05668be>] cl_io_read_page+0xae/0x170 [obdclass]
 [<ffffffffa055abf7>] ? cl_page_assume+0xf7/0x220 [obdclass]
 [<ffffffffa0b15ca6>] ll_readpage+0x96/0x200 [lustre]
 [<ffffffff8111262c>] generic_file_aio_read+0x1fc/0x700
 [<ffffffffa0b423bc>] vvp_io_read_start+0x13c/0x3e0 [lustre]
 [<ffffffffa056430a>] cl_io_start+0x6a/0x140 [obdclass]
 [<ffffffffa0568c24>] cl_io_loop+0xb4/0x1b0 [obdclass]
 [<ffffffffa0aed643>] ll_file_io_generic+0x3a3/0x550 [lustre]
 [<ffffffffa0aed929>] ll_file_aio_read+0x139/0x2c0 [lustre]
 [<ffffffff810097cc>] ? __switch_to+0x1ac/0x320
 [<ffffffffa0aedde9>] ll_file_read+0x169/0x2a0 [lustre]
 [<ffffffff811782d5>] vfs_read+0xb5/0x1a0
 [<ffffffff81178411>] sys_read+0x51/0x90
 [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b

LustreError: 80171:0:(osc_io.c:801:osc_req_attr_set()) LBUG
Pid: 80171, comm: ior

Call Trace:
 [<ffffffffa0336965>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
 [<ffffffffa0336f77>] lbug_with_loc+0x47/0xb0 [libcfs]
 [<ffffffffa0981769>] osc_req_attr_set+0x339/0x340 [osc]
 [<ffffffffa0564841>] cl_req_attr_set+0xd1/0x240 [obdclass]
 [<ffffffffa0970527>] osc_build_rpc+0x527/0x1770 [osc]
 [<ffffffffa098a9eb>] osc_send_read_rpc+0x6ab/0x8b0 [osc]
 [<ffffffff8120d8da>] ? security_capable+0x2a/0x30
 [<ffffffff81076dd3>] ? capable+0x13/0x50
 [<ffffffffa034c952>] ? cfs_hash_bd_from_key+0x42/0xe0 [libcfs]
 [<ffffffffa054d90c>] ? lu_object_put+0x12c/0x350 [obdclass]
 [<ffffffffa098ef9b>] osc_io_unplug0+0x9cb/0x12a0 [osc]
 [<ffffffffa0337b2e>] ? cfs_mem_cache_free+0xe/0x10 [libcfs]
 [<ffffffff8100bc0e>] ? apic_timer_interrupt+0xe/0x20
 [<ffffffffa098ff51>] osc_io_unplug+0x11/0x20 [osc]
 [<ffffffffa0998360>] osc_queue_sync_pages+0x1d0/0x638 [osc]
 [<ffffffffa0981e20>] osc_io_submit+0x330/0x4c0 [osc]
 [<ffffffffa056419c>] cl_io_submit_rw+0x6c/0x170 [obdclass]
 [<ffffffffa0a48da2>] lov_io_submit+0x4e2/0xc10 [lov]
 [<ffffffffa056419c>] cl_io_submit_rw+0x6c/0x170 [obdclass]
 [<ffffffffa05668be>] cl_io_read_page+0xae/0x170 [obdclass]
 [<ffffffffa055abf7>] ? cl_page_assume+0xf7/0x220 [obdclass]
 [<ffffffffa0b15ca6>] ll_readpage+0x96/0x200 [lustre]
 [<ffffffff8111262c>] generic_file_aio_read+0x1fc/0x700
 [<ffffffffa0b423bc>] vvp_io_read_start+0x13c/0x3e0 [lustre]
 [<ffffffffa056430a>] cl_io_start+0x6a/0x140 [obdclass]
 [<ffffffffa0568c24>] cl_io_loop+0xb4/0x1b0 [obdclass]
 [<ffffffffa0aed643>] ll_file_io_generic+0x3a3/0x550 [lustre]
 [<ffffffffa0aed929>] ll_file_aio_read+0x139/0x2c0 [lustre]
 [<ffffffff810097cc>] ? __switch_to+0x1ac/0x320
 [<ffffffffa0aedde9>] ll_file_read+0x169/0x2a0 [lustre]
 [<ffffffff811782d5>] vfs_read+0xb5/0x1a0
 [<ffffffff81178411>] sys_read+0x51/0x90
 [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b

Lustre Version:

2.3.54-1chaos-3surya1-3surya1--PRISTINE-2.6.32-220.23.1.1chaos.ch5.x86_64

Whamcloud Community JIRA

[LU-2292] LBUG triggered in osc_req_attr_set during read