[LU-7322] (ost_handler.c:896:ost_brw_read()) ASSERTION( local_nb[i].rc == 0 ) failed

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Affects Version/s: Lustre 2.5.3
• Severity: 3
• Assignee: Bruno Faccini (Inactive)
• Reporter: Mahmoud Hanafi

Description

Duplicate of https://jira.hpdd.intel.com/browse/LU-5393 but on 2.5.3

<0>LustreError: 68880:0:(ost_handler.c:896:ost_brw_read()) ASSERTION( local_nb[i].rc == 0 ) failed: ^M
<0>LustreError: 68880:0:(ost_handler.c:896:ost_brw_read()) LBUG^M
<4>Pid: 68880, comm: ll_ost_io01_055^M
<4>^M
<4>Call Trace:^M
<4> [<ffffffffa0559895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]^M
<4> [<ffffffffa0559e97>] lbug_with_loc+0x47/0xb0 [libcfs]^M
<4> [<ffffffffa1886b85>] ost_brw_read+0x1345/0x1350 [ost]^M
<4> [<ffffffff812af406>] ? vsnprintf+0x336/0x5e0^M
<4> [<ffffffffa055927b>] ? cfs_set_ptldebug_header+0x2b/0xc0 [libcfs]^M
<4> [<ffffffffa05697c3>] ? libcfs_debug_vmsg2+0x5d3/0xbd0 [libcfs]^M
<4> [<ffffffffa0834f8c>] ? lustre_msg_get_version+0x8c/0x100 [ptlrpc]^M
<4> [<ffffffffa08350e8>] ? lustre_msg_check_version+0xe8/0x100 [ptlrpc]^M
<4> [<ffffffffa188d6d8>] ost_handle+0x24a8/0x44d0 [ost]^M
<4> [<ffffffffa0565a44>] ? libcfs_id2str+0x74/0xb0 [libcfs]^M
<4> [<ffffffffa08430c5>] ptlrpc_server_handle_request+0x385/0xc00 [ptlrpc]^M
<4> [<ffffffffa056b8d5>] ? lc_watchdog_touch+0x65/0x170 [libcfs]^M
<4> [<ffffffffa083ba69>] ? ptlrpc_wait_event+0xa9/0x2d0 [ptlrpc]^M
<4> [<ffffffffa084589d>] ptlrpc_main+0xafd/0x1780 [ptlrpc]^M
<4> [<ffffffff8100c20a>] child_rip+0xa/0x20^M
<4> [<ffffffffa0844da0>] ? ptlrpc_main+0x0/0x1780 [ptlrpc]^M
<4> [<ffffffff8100c200>] ? child_rip+0x0/0x20^M
<4>^M
<0>Kernel panic - not syncing: LBUG^M
<4>Pid: 68880, comm: ll_ost_io01_055 Not tainted 2.6.32-431.29.2.el6.20150203.x86_64.lustre253 #1^M
<4>Call Trace:^M
<4> [<ffffffff8155946e>] ? panic+0xa7/0x190^M
<4> [<ffffffffa0559eeb>] ? lbug_with_loc+0x9b/0xb0 [libcfs]^M
<4> [<ffffffffa1886b85>] ? ost_brw_read+0x1345/0x1350 [ost]^M
<4> [<ffffffff812af406>] ? vsnprintf+0x336/0x5e0^M
<4> [<ffffffffa055927b>] ? cfs_set_ptldebug_header+0x2b/0xc0 [libcfs]^M
<4> [<ffffffffa05697c3>] ? libcfs_debug_vmsg2+0x5d3/0xbd0 [libcfs]^M
<4> [<ffffffffa0834f8c>] ? lustre_msg_get_version+0x8c/0x100 [ptlrpc]^M
<4> [<ffffffffa08350e8>] ? lustre_msg_check_version+0xe8/0x100 [ptlrpc]^M
<4> [<ffffffffa188d6d8>] ? ost_handle+0x24a8/0x44d0 [ost]^M
<4> [<ffffffffa0565a44>] ? libcfs_id2str+0x74/0xb0 [libcfs]^M
<4> [<ffffffffa08430c5>] ? ptlrpc_server_handle_request+0x385/0xc00 [ptlrpc]^M
<4> [<ffffffffa056b8d5>] ? lc_watchdog_touch+0x65/0x170 [libcfs]^M
<4> [<ffffffffa083ba69>] ? ptlrpc_wait_event+0xa9/0x2d0 [ptlrpc]^M
<4> [<ffffffffa084589d>] ? ptlrpc_main+0xafd/0x1780 [ptlrpc]^M
<4> [<ffffffff8100c20a>] ? child_rip+0xa/0x20^M
<4> [<ffffffffa0844da0>] ? ptlrpc_main+0x0/0x1780 [ptlrpc]^M
<4> [<ffffffff8100c200>] ? child_rip+0x0/0x20^M

We need backport of LU-5393 to lustre 2.5.3

Issue Links

• duplicates: LU-5393 LBUG: (ost_handler.c:882:ost_brw_read()) ASSERTION( local_nb[i].rc == 0 ) failed