[LU-9414] LBUG and Hung on -ENOMEM in LNetMDAttach

Related — Thu, 5 Apr 2018 13:31:42 +0000

2017-04-09T22:03:20.037059-05:00 c0-0c1s1n3 ptlrpcd_00_240: page allocation failure: order:0, mode:0x2604040(GFP_NOFS|_GFP_COMP|_GFP_NOTRACK)
> 2017-04-09T22:03:20.037071-05:00 c0-0c1s1n3 LustreError: 6801:0:(niobuf.c:806:ptl_send_rpc()) LNetMEAttach failed: -12
> 2017-04-09T22:03:20.037087-05:00 c0-0c1s1n3 LustreError: 6801:0:(client.c:1705:ptlrpc_check_set()) @@@ bad phase ebc0de00 req@ffff88080497e3c0 x1564188209558212/t0(0) o400->snx11010-OST0001-osc-ffff8817b6612000@10.149.3.6@o2ib:28/4 lens 224/224 e 0 to 0 dl 0 ref 1 fl New:N/0/ffffffff rc 0/-1
> 2017-04-09T22:03:20.037100-05:00 c0-0c1s1n3 LustreError: 6801:0:(client.c:1706:ptlrpc_check_set()) LBUG
> 2017-04-09T22:03:20.037110-05:00 c0-0c1s1n3 Pid: 6801, comm: ptlrpcd_00_240
> 2017-04-09T22:03:20.037184-05:00 c0-0c1s1n3 Call Trace:
> 2017-04-09T22:03:20.037201-05:00 c0-0c1s1n3 [<ffffffff81008e4c>] try_stack_unwind+0x17c/0x190
> 2017-04-09T22:03:20.037213-05:00 c0-0c1s1n3 [<ffffffff81007dd4>] dump_trace+0x64/0x380
> 2017-04-09T22:03:20.037225-05:00 c0-0c1s1n3 [<ffffffffa026f773>] libcfs_debug_dumpstack+0x53/0x70 [libcfs]
> 2017-04-09T22:03:20.037241-05:00 c0-0c1s1n3 [<ffffffffa026fe4e>] lbug_with_loc+0x3e/0xb0 [libcfs]
> 2017-04-09T22:03:20.037247-05:00 c0-0c1s1n3 [<ffffffffa0620c45>] ptlrpc_check_set+0x915/0x2c60 [ptlrpc]
> 2017-04-09T22:03:20.037254-05:00 c0-0c1s1n3 [<ffffffffa064d27a>] ptlrpcd_check+0x3aa/0x5b0 [ptlrpc]
> 2017-04-09T22:03:20.037291-05:00 c0-0c1s1n3 [<ffffffffa064d705>] ptlrpcd+0x285/0x4c0 [ptlrpc]
> 2017-04-09T22:03:20.037302-05:00 c0-0c1s1n3 [<ffffffff81075429>] kthread+0xc9/0xe0
> 2017-04-09T22:03:20.037312-05:00 c0-0c1s1n3 [<ffffffff81501f7f>] ret_from_fork+0x3f/0x70

Whamcloud Community JIRA

[LU-9414] LBUG and Hung on -ENOMEM in LNetMDAttach