On Tue, Jan 29, 2013 at 04:50:32PM -0500, Thierry Moreau wrote: > Oh, I got the kernel log for the very first occurrence of this > symptom, this time with what-looks-like kernel symbols (BUG at > 14:17:52): So, probably something to do with having V4 and/or GSS compiled out, since we don't test that configuration very often. And we're oopsing on what's probably the first rpcauth_lookupcred, on the first rpc call of any kind (to register the server. But it's not immediately obvious to me why this is oopsing; probably need to try that myself. --b. > > - Thierry > > Jan 29 14:06:04 host----name kernel: Adding 1542204k swap on > /dev/sda7. Priority:62 extents:1 across:1542204k > Jan 29 14:06:04 host----name kernel: NET: Registered protocol family 10 > Jan 29 14:17:52 host----name kernel: RPC: Registered named UNIX > socket transport module. > Jan 29 14:17:52 host----name kernel: RPC: Registered udp transport module. > Jan 29 14:17:52 host----name kernel: RPC: Registered tcp transport module. > Jan 29 14:17:52 host----name kernel: RPC: Registered tcp NFSv4.1 > backchannel transport module. > Jan 29 14:17:52 host----name kernel: Installing knfsd (copyright (C) > 1996 okir@xxxxxxxxxxxx). > Jan 29 14:17:52 host----name kernel: BUG: unable to handle kernel > paging request at 01ffffff > Jan 29 14:17:52 host----name kernel: IP: [<cef30068>] > rpcauth_lookupcred+0x30/0x66 [sunrpc] > Jan 29 14:17:52 host----name kernel: *pde = 00000000 > Jan 29 14:17:52 host----name kernel: Oops: 0002 [#1] SMP > Jan 29 14:17:52 host----name kernel: Modules linked in: nfsd > exportfs lockd sunrpc ipv6 dm_mod snd_via82xx snd_mpu401_uart > snd_rawmidi snd_ac97_codec ac97_bus snd_pcm snd_page_alloc 8250_pnp > snd_timer snd soundcore ehci_hcd uhci_hcd sr_mod usbcore usb_common > cdrom floppy 8250 parport_pc serial_core parport via_rhine via_agp > agpgart > Jan 29 14:17:52 host----name kernel: > Jan 29 14:17:52 host----name kernel: Pid: 6769, comm: rpc.nfsd Not > tainted 3.5.4 #3 PCCHIPS P25G/P4M800-8237 > Jan 29 14:17:52 host----name kernel: EIP: 0060:[<cef30068>] EFLAGS: > 00010246 CPU: 0 > Jan 29 14:17:52 host----name kernel: EIP is at > rpcauth_lookupcred+0x30/0x66 [sunrpc] > Jan 29 14:17:52 host----name kernel: EAX: 01ffffff EBX: ccce3a80 > ECX: 00000000 EDX: 00000000 > Jan 29 14:17:53 host----name kernel: ESI: ccce3c00 EDI: cc261dc8 > EBP: cef3e204 ESP: cc261db4 > Jan 29 14:17:53 host----name kernel: DS: 007b ES: 007b FS: 00d8 GS: > 0033 SS: 0068 > Jan 29 14:17:53 host----name kernel: CR0: 8005003b CR2: 01ffffff > CR3: 0c258000 CR4: 00000790 > Jan 29 14:17:53 host----name kernel: DR0: 00000000 DR1: 00000000 > DR2: 00000000 DR3: 00000000 > Jan 29 14:17:53 host----name kernel: DR6: ffff0ff0 DR7: 00000400 > Jan 29 14:17:53 host----name kernel: Process rpc.nfsd (pid: 6769, > ti=cc260000 task=cdb95440 task.ti=cc260000) > Jan 29 14:17:53 host----name kernel: Stack: > Jan 29 14:17:53 host----name kernel: 00000000 00000000 00000000 > 00000000 00000000 ccce3a80 ccce3a80 00000000 > Jan 29 14:17:53 host----name kernel: cdaeab00 cef301a6 cef2c068 > ccce3a80 cef2c7f3 cdb7ba64 00000000 ccce3ab8 > Jan 29 14:17:53 host----name kernel: ccce3a80 00000000 cdaaa000 > cef2f5e7 ccce3ab8 c102c9af ccce3a80 cc261e2c > Jan 29 14:17:53 host----name kernel: Call Trace: > Jan 29 14:17:53 host----name kernel: [<cef301a6>] ? > rpcauth_refreshcred+0x5a/0x95 [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef2c068>] ? > xprt_release_xprt+0x31/0x3f [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef2c7f3>] ? > xprt_reserve+0x184/0x1ad [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef2f5e7>] ? > __rpc_execute+0x34/0x158 [sunrpc] > Jan 29 14:17:53 host----name kernel: [<c102c9af>] ? wake_up_bit+0xb/0x16 > Jan 29 14:17:53 host----name kernel: [<cef2b2f8>] ? > rpc_run_task+0x57/0x5c [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef2b3d9>] ? > rpc_call_sync+0x39/0x54 [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef34b41>] ? > rpcb_register_call+0x11/0x20 [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef34edd>] ? > rpcb_v4_register+0x82/0xed [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef31431>] ? > svc_unregister.isra.15+0x3c/0x98 [sunrpc] > Jan 29 14:17:53 host----name kernel: [<cef91c7d>] ? > write_filehandle+0x14b/0x14b [nfsd] > Jan 29 14:17:53 host----name kernel: [<cef314bc>] ? > svc_rpcb_setup+0x1f/0x25 [sunrpc] > Jan 29 14:17:54 host----name kernel: [<cef91302>] ? > nfsd_create_serv+0xba/0x10a [nfsd] > Jan 29 14:17:54 host----name kernel: [<c10eb6a0>] ? > simple_strtoull+0x23/0x3f > Jan 29 14:17:54 host----name kernel: [<cef91d2d>] ? > export_features_show+0x18/0x18 [nfsd] > Jan 29 14:17:54 host----name kernel: [<cef91dc6>] ? > write_ports+0x99/0x2be [nfsd] > Jan 29 14:17:54 host----name kernel: [<c11499d8>] ? > get_random_bytes+0x12/0x15 > Jan 29 14:17:54 host----name kernel: [<c11eecf3>] ? > _raw_write_lock_bh+0x9/0x1c > Jan 29 14:17:54 host----name kernel: [<c108d955>] ? > simple_transaction_get+0x66/0x80 > Jan 29 14:17:54 host----name kernel: [<cef91d2d>] ? > export_features_show+0x18/0x18 [nfsd] > Jan 29 14:17:54 host----name kernel: [<cef91cb4>] ? > nfsctl_transaction_write+0x37/0x51 [nfsd] > Jan 29 14:17:54 host----name kernel: [<c1076e7c>] ? vfs_write+0x7b/0xf3 > Jan 29 14:17:54 host----name kernel: [<c1077081>] ? sys_write+0x38/0x65 > Jan 29 14:17:54 host----name kernel: [<c11ef6d0>] ? > sysenter_do_call+0x12/0x26 > Jan 29 14:17:54 host----name kernel: Code: 00 57 89 c5 56 53 83 ec > 14 64 a1 b8 45 31 c1 89 e7 8b b0 c4 01 00 00 31 c0 f3 ab 8b 46 1c 89 > 04 24 8b 46 20 89 44 24 04 8b 46 60 <3e> ff 00 8b 75 10 89 d1 89 e2 > 89 44 24 08 89 e8 ff 56 14 8b 54 > Jan 29 14:17:54 host----name kernel: EIP: [<cef30068>] > rpcauth_lookupcred+0x30/0x66 [sunrpc] SS:ESP 0068:cc261db4 > Jan 29 14:17:54 host----name kernel: CR2: 0000000001ffffff > Jan 29 14:17:54 host----name kernel: ---[ end trace 7dad9f92a03954c6 ]--- > > > > --- end of message --- -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
