Hi David,
It's the second time the machine oops in __key_instantiate_and_link() on
3.4 kernel. This bug only happens after several days of run. Do you
have any advices or debug patches? For now I can try older (or newer)
kernels and see if it's any better.
--
[53056.100019] BUG: unable to handle kernel paging request at 0000632e6472616f
[53056.108072] IP: [<0000632e6472616f>] 0x632e6472616e
[53056.113702] PGD 0
[53056.116119] Oops: 0010 [#1] SMP
[53056.119982] CPU 0
[53056.122111] Modules linked in:
[53056.125969]
[53056.127713] Pid: 3502, comm: rpc.idmapd Not tainted 3.4.0 #130 Intel Corporation S2600CP/S2600CP
[53056.137880] RIP: 0010:[<0000632e6472616f>] [<0000632e6472616f>] 0x632e6472616e
[53056.146228] RSP: 0018:ffff880421d2fd30 EFLAGS: 00010246
[53056.152249] RAX: ffff8803bef69100 RBX: ffff8803bef690d0 RCX: ffffffff81f0f440
[53056.160309] RDX: 0000000000000005 RSI: ffff880421d2fe8d RDI: ffff8803bef690d0
[53056.168371] RBP: ffff880421d2fd88 R08: ffff880421d2fcd8 R09: 0000000000000000
[53056.176435] R10: ffffffff81f0f468 R11: ffffffff813bbdbf R12: ffff880421d2fe8d
[53056.184504] R13: ffff8805c9957b00 R14: ffff8804287b9c00 R15: 0000000000000000
[53056.192564] FS: 00007f87fbce5700(0000) GS:ffff88042fa00000(0000) knlGS:0000000000000000
[53056.202451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[53056.209343] CR2: 0000632e6472616f CR3: 000000042951a000 CR4: 00000000000407f0
[53056.217784] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[53056.226226] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[53056.234675] Process rpc.idmapd (pid: 3502, threadinfo ffff880421d2e000, task ffff880427865e20)
[53056.245144] Stack:
[53056.247841] ffffffff813bbde2 ffff880416c54820 0000000000000005 ffff880421d2fdb0
[53056.257281] fffffff0287b9c28 ffff8803bef690b0 ffff8803bef690d0 ffff8804287b9c00
[53056.266725] 0000000000000005 ffff880421d2fe8d 00007f87fbaea800 ffff880421d2fdd8
[53056.276172] Call Trace:
[53056.279363] [<ffffffff813bbde2>] ? __key_instantiate_and_link+0x5e/0xe4
[53056.287316] [<ffffffff813bbec5>] key_instantiate_and_link+0x5d/0x85
[53056.294888] [<ffffffff81262c29>] idmap_pipe_downcall+0x14a/0x18f
[53056.302176] [<ffffffff81958071>] rpc_pipe_write+0x5d/0x77
[53056.308782] [<ffffffff8114bfbd>] vfs_write+0xb2/0x142
[53056.315000] [<ffffffff8114c247>] sys_write+0x4a/0x71
[53056.321108] [<ffffffff819bc329>] system_call_fastpath+0x16/0x1b
[53056.328278] Code: Bad RIP value.
[53056.332599] RIP [<0000632e6472616f>] 0x632e6472616e
[53056.338687] RSP<ffff880421d2fd30>
[53056.343035] CR2: 0000632e6472616f
[53056.347640] ---[ end trace ee5d4100fdd3e1d2 ]---