[LU-2089] BUG: Bad page state in process ll_ost_io01_039 pfn:63ae41

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: topsequoia
• Environment: Lustre: 2.3.51-3chaos
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Prakash Surya (Inactive)

Description

I see many messages on the console of our OSTs running 2.3.51-3chaos:

2012-10-04 03:49:04 BUG: Bad page state in process ll_ost_io01_039  pfn:63ae41
2012-10-04 03:49:04 page:ffffea0015ce1e38 flags:0040000000000080 count:0 mapcount:0 mapping:(null) index:0 (Tainted: P    B      ----------------  )
2012-10-04 03:49:04 Pid: 7115, comm: ll_ost_io01_039 Tainted: P    B      ----------------   2.6.32-220.23.1.1chaos.ch5.x86_64 #1
2012-10-04 03:49:04 Call Trace:
2012-10-04 03:49:04  [<ffffffff81121507>] ? bad_page+0x107/0x160
2012-10-04 03:49:04  [<ffffffff81124599>] ? free_hot_cold_page+0x1c9/0x220
2012-10-04 03:49:04  [<ffffffff811246af>] ? free_hot_page+0x2f/0x60
2012-10-04 03:49:04  [<ffffffff811275de>] ? __put_single_page+0x1e/0x30
2012-10-04 03:49:04  [<ffffffff81127755>] ? put_page+0x25/0x40
2012-10-04 03:49:04  [<ffffffffa086ff38>] ? ptlrpc_free_bulk+0x98/0x330 [ptlrpc]
2012-10-04 03:49:04  [<ffffffffa0d68e01>] ? ost_brw_write+0x501/0x15e0 [ost]
2012-10-04 03:49:04  [<ffffffffa08443c0>] ? target_bulk_timeout+0x0/0xc0 [ptlrpc]
2012-10-04 03:49:04  [<ffffffffa0d6f4d2>] ? ost_handle+0x32e2/0x4690 [ost]
2012-10-04 03:49:04  [<ffffffffa088b39b>] ? ptlrpc_update_export_timer+0x4b/0x470 [ptlrpc]
2012-10-04 03:49:04  [<ffffffffa08937fc>] ? ptlrpc_server_handle_request+0x41c/0xe00 [ptlrpc]
2012-10-04 03:49:04  [<ffffffffa03306be>] ? cfs_timer_arm+0xe/0x10 [libcfs]
2012-10-04 03:49:04  [<ffffffffa034213f>] ? lc_watchdog_touch+0x6f/0x180 [libcfs]
2012-10-04 03:49:04  [<ffffffffa088abb7>] ? ptlrpc_wait_event+0xa7/0x2a0 [ptlrpc]
2012-10-04 03:49:04  [<ffffffff81051ba3>] ? __wake_up+0x53/0x70
2012-10-04 03:49:04  [<ffffffffa0894dd1>] ? ptlrpc_main+0xbf1/0x19e0 [ptlrpc]
2012-10-04 03:49:04  [<ffffffffa08941e0>] ? ptlrpc_main+0x0/0x19e0 [ptlrpc]
2012-10-04 03:49:04  [<ffffffff8100c14a>] ? child_rip+0xa/0x20
2012-10-04 03:49:04  [<ffffffffa08941e0>] ? ptlrpc_main+0x0/0x19e0 [ptlrpc]
2012-10-04 03:49:04  [<ffffffffa08941e0>] ? ptlrpc_main+0x0/0x19e0 [ptlrpc]
2012-10-04 03:49:04  [<ffffffff8100c140>] ? child_rip+0x0/0x20

These drown out any other console messages, making it hard to pick out any other error messages.

It looks very similar to ORI-783, although that bug was triggered by setting 'sync_journal=1', which we are not doing here.