[LU-2720] osc_page_delete()) ASSERTION(0) failed

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: LB patch
• Severity: 3
• Assignee: Keith Mannthey (Inactive)
• Reporter: Vitaly Fertman

Description

it was already posted to LU-1723, but seems to be a different issue from the original one in that ticket, so moving it here.

2012-11-06T14:57:10.872333-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_cache.c:2367:osc_teardown_async_page()) extent ffff88060eedfe58@

{[23 -> 23/255], [2|0|-|cache|wi|ffff88020e18f8c8], [4096|1|+|-|ffff8801f9ed9c18|256| (null)]}

trunc at 23.
2012-11-06T14:57:10.872389-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) page@ffff88080e8c8bc0[2 ffff88020cefad08:23 ^ (null)_ffff88080e8c8b00 4 0 1 (null) (null) 0x0]
2012-11-06T14:57:10.902445-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) page@ffff88080e8c8b00[1 ffff88020d8c1f58:23 ^ffff88080e8c8bc0_ (null) 4 0 1 (null) (null) 0x0]
2012-11-06T14:57:10.902494-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) vvp-page@ffff88080e8cf5a0(0:0:0) vm@ffffea001c6a99b8 e00000000000063 7:0 0 23 lru
2012-11-06T14:57:10.902508-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) lov-page@ffff8808050a7888
2012-11-06T14:57:10.958005-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) osc-page@ffff88080d78ed20: 1< 0x845fed 258 0 + - > 2< 94208 0 4096 0x0 0x520 | (null) ffff880804350700 ffff88020e18f8c8 > 3< + ffff8801f8f577b0 0 0 0 > 4< 0 0 8 33824768 - | - - + - > 5< - - + - | 0 - | 1 - ->
2012-11-06T14:57:10.958049-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) end page@ffff88080e8c8bc0
2012-11-06T14:57:10.983504-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:411:osc_page_delete()) Trying to teardown failed: -16
2012-11-06T14:57:10.983536-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:412:osc_page_delete()) ASSERTION( 0 ) failed:
2012-11-06T14:57:10.983549-06:00 c0-0c1s6n0 LustreError: 5270:0:(osc_page.c:412:osc_page_delete()) LBUG
2012-11-06T14:57:10.983570-06:00 c0-0c1s6n0 Pid: 5270, comm: fsx-linux
2012-11-06T14:57:10.983582-06:00 c0-0c1s6n0 Call Trace:
2012-11-06T14:57:10.983605-06:00 c0-0c1s6n0 [<ffffffff810063b1>] try_stack_unwind+0x161/0x1a0
2012-11-06T14:57:11.009114-06:00 c0-0c1s6n0 [<ffffffff81004bf9>] dump_trace+0x89/0x440
2012-11-06T14:57:11.009138-06:00 c0-0c1s6n0 [<ffffffffa014e887>] libcfs_debug_dumpstack+0x57/0x80 [libcfs]
2012-11-06T14:57:11.009161-06:00 c0-0c1s6n0 [<ffffffffa014ede7>] lbug_with_loc+0x47/0xc0 [libcfs]
2012-11-06T14:57:11.009173-06:00 c0-0c1s6n0 [<ffffffffa0671d41>] osc_page_delete+0x2d1/0x2e0 [osc]
2012-11-06T14:57:11.034700-06:00 c0-0c1s6n0 [<ffffffffa02b0095>] cl_page_delete0+0xd5/0x4e0 [obdclass]
2012-11-06T14:57:11.034737-06:00 c0-0c1s6n0 [<ffffffffa02b04e2>] cl_page_delete+0x42/0x120 [obdclass]
2012-11-06T14:57:11.034762-06:00 c0-0c1s6n0 [<ffffffffa07f2e2d>] ll_invalidatepage+0x8d/0x170 [lustre]
2012-11-06T14:57:11.034774-06:00 c0-0c1s6n0 [<ffffffffa07ea290>] ll_page_mkwrite+0x7c0/0x840 [lustre]
2012-11-06T14:57:11.034820-06:00 c0-0c1s6n0 [<ffffffff81107cb7>] __do_fault+0xe7/0x570
2012-11-06T14:57:11.034833-06:00 c0-0c1s6n0 [<ffffffff811081e4>] handle_pte_fault+0xa4/0xcd0
2012-11-06T14:57:11.060561-06:00 c0-0c1s6n0 [<ffffffff81108fbe>] handle_mm_fault+0x1ae/0x240
2012-11-06T14:57:11.060588-06:00 c0-0c1s6n0 [<ffffffff81025471>] do_page_fault+0x191/0x410
2012-11-06T14:57:11.060600-06:00 c0-0c1s6n0 [<ffffffff81301b5f>] page_fault+0x1f/0x30
2012-11-06T14:57:11.060647-06:00 c0-0c1s6n0 [<00000000200422b3>] 0x200422b3
2012-11-06T14:57:11.060660-06:00 c0-0c1s6n0 Kernel panic - not syncing: LBUG

Issue Links

• is related to: LU-2557 osc_page_delete()) Trying to teardown failed: -16 (EBUSY)