[LU-1831] filter_direct_io()) ASSERTION( iobuf->dr_npages > 0 )

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Affects Version/s: Lustre 2.3.0, Lustre 2.4.0
• Environment: local testing in vbox
• Severity: 3
• Assignee: Hongchao Zhang
• Reporter: Alex Zhuravlev

Description

Lustre: DEBUG MARKER: == sanityn test 15: test out-of-space with multiple writers ========================================== 18:15:33 (1346854533)
LustreError: 7743:0:(filter_io_26.c:484:filter_direct_io()) ASSERTION( iobuf->dr_npages > 0 ) failed:
LustreError: 7743:0:(filter_io_26.c:484:filter_direct_io()) LBUG
Pid: 7743, comm: ll_ost_io01_002

Call Trace:
[<00000000dfd5b7a1>] libcfs_debug_dumpstack+0x51/0x80 [libcfs]
[<00000000dfd5bf7b>] lbug_with_loc+0x3b/0xa0 [libcfs]
[<00000000e0e6e437>] filter_do_bio+0x21c7/0x2a00 [obdfilter]
[<00000000e0e7001f>] filter_commitrw_write+0x13af/0x5010 [obdfilter]
[<00000000dfd5ccd3>] ? cfs_alloc+0x23/0xf0 [libcfs]
[<00000000c109ea7a>] ? cache_alloc_debugcheck_after.isra.40+0xca/0x180
[<00000000dfd5ccd3>] ? cfs_alloc+0x23/0xf0 [libcfs]
[<00000000c109ed85>] ? __kmalloc+0xb5/0x1a0
[<00000000c10876a0>] ? kzfree+0x30/0xc0
[<00000000e0e623fc>] filter_commitrw+0x29c/0x340 [obdfilter]
[<00000000c13daa38>] ? _spin_unlock+0x8/0x10
[<00000000dff2ec4c>] ? lprocfs_counter_add+0x14c/0x1e0 [lvfs]
[<00000000e029443f>] ost_brw_write+0x17fd/0x22e2 [ost]

Issue Links

• duplicates: LU-1824 Test failure on test suite obdfilter-survey, subtest test_2a