[LU-7138] LBUG: (osd_handler.c:1017:osd_trans_start()) ASSERTION( get_current()->journal_info == ((void *)0) ) failed:

• Type: Bug
• Resolution: Duplicate
• Priority: Blocker
• Affects Version/s: Lustre 2.7.0
• Severity: 1
• Assignee: Oleg Drokin
• Reporter: Frederik Ferner (Inactive)

Description

This evening we have hit this LBUG on the MDT in our production file system, the file system is currently down as we hit the same bug every time we attempt to bring the MDT back, as soon as recovery finishes.

<0>LustreError: 722:0:(osd_handler.c:1017:osd_trans_start()) ASSERTION( get_current()->journal_info == ((void *)0) ) failed:
<0>LustreError: 722:0:(osd_handler.c:1017:osd_trans_start()) LBUG
<4>Pid: 722, comm: mdt01_017
<4>
<4>Call Trace:
<4> [<ffffffffa065f895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
<4> [<ffffffffa065fe97>] lbug_with_loc+0x47/0xb0 [libcfs]
<4> [<ffffffffa17df24d>] osd_trans_start+0x25d/0x660 [osd_ldiskfs]
<4> [<ffffffffa09b9b4a>] llog_osd_destroy+0x42a/0xd40 [obdclass]
<4> [<ffffffffa09b2edc>] llog_cat_new_log+0x1ec/0x710 [obdclass]
<4> [<ffffffffa09b350a>] llog_cat_add_rec+0x10a/0x450 [obdclass]
<4> [<ffffffffa09ab1e9>] llog_add+0x89/0x1c0 [obdclass]
<4> [<ffffffffa17f1976>] ? osd_attr_set+0x166/0x460 [osd_ldiskfs]
<4> [<ffffffffa0d914e2>] mdd_changelog_store+0x122/0x290 [mdd]
<4> [<ffffffffa0da4d0c>] mdd_changelog_data_store+0x16c/0x320 [mdd]
<4> [<ffffffffa0dad9b3>] mdd_attr_set+0x12f3/0x1730 [mdd]
<4> [<ffffffffa088a551>] mdt_reint_setattr+0xf81/0x13a0 [mdt]
<4> [<ffffffffa087be1c>] ? mdt_root_squash+0x2c/0x3f0 [mdt]
<4> [<ffffffffa08801dd>] mdt_reint_rec+0x5d/0x200 [mdt]
<4> [<ffffffffa086423b>] mdt_reint_internal+0x4cb/0x7a0 [mdt]
<4> [<ffffffffa08649ab>] mdt_reint+0x6b/0x120 [mdt]
<4> [<ffffffffa0c6f56e>] tgt_request_handle+0x8be/0x1000 [ptlrpc]
<4> [<ffffffffa0c1f5a1>] ptlrpc_main+0xe41/0x1960 [ptlrpc]
<4> [<ffffffff8106c4f0>] ? pick_next_task_fair+0xd0/0x130
<4> [<ffffffffa0c1e760>] ? ptlrpc_main+0x0/0x1960 [ptlrpc]
<4> [<ffffffff8109e66e>] kthread+0x9e/0xc0
<4> [<ffffffff8100c20a>] child_rip+0xa/0x20
<4> [<ffffffff8109e5d0>] ? kthread+0x0/0xc0
<4> [<ffffffff8100c200>] ? child_rip+0x0/0x20
<4>
<0>Kernel panic - not syncing: LBUG

The stack trace doesn't quite seem to be the same as for LU-6634 (which anyway doesn't have any fix suggested.)

Issue Links

• is related to: LU-6556 changelog catalog corruption if all possible records is define
• is related to: LU-6634 (osd_handler.c:901:osd_trans_start()) ASSERTION( get_current()->journal_info == ((void *)0) ) failed: when reaching Catalog full condition