On Tue, 2008-05-20 at 20:55 +0200, Jesper Krogh wrote: > Hi. I'm seeing this every now and then. (not directly reproduceable). > > May 20 13:58:33 node36 kernel: [1291441.355677] PGD 6b195067 PUD > a7751067 PMD 0 > May 20 13:58:33 node36 kernel: [1291441.448833] CPU 0 > May 20 13:58:33 node36 kernel: [1291441.475005] Modules linked in: nfs > lockd sunrpc autofs4 ipv6 usbhid hid uhci_hcd ehci_hcd usbkbd fuse > parport_pc lp parport af_packet i2c_amd756 i2c_core pcspkr psmouse > k8temp amd_rng serio_raw shpchp pci_hotplug evdev ext3 jbd mbcache sg > sd_mod ide_cd cdrom ata_generic libata floppy mptspi mptscsih mptbase > scsi_transport_spi scsi_mod tg3 ohci_hcd amd74xx ide_core usbcore > thermal processor fan capability commoncap > May 20 13:58:33 node36 kernel: [1291441.920746] Pid: 1080, comm: > mount.nfs Not tainted 2.6.22-14-generic #1 > May 20 13:58:33 node36 kernel: [1291442.001856] RIP: > 0010:[graft_tree+76/304] [graft_tree+76/304] graft_tree+0x4c/0x130 > May 20 13:58:33 node36 kernel: [1291442.098650] RSP: > 0018:ffff8100856b3c48 EFLAGS: 00010246 > May 20 13:58:33 node36 kernel: [1291442.164181] RAX: ffff8100ce0e41a0 > RBX: 00000000ffffffec RCX: 0000000000000000 > May 20 13:58:33 node36 kernel: [1291442.251524] RDX: ffff8100ba66f100 > RSI: ffff8100856b3e58 RDI: ffff8100a7c63600 > May 20 13:58:33 node36 kernel: [1291442.338866] RBP: ffff8100a7c63600 > R08: 0000000000000000 R09: ffff81005ad02980 > May 20 13:58:33 node36 kernel: [1291442.426210] R10: 000000001685c20a > R11: 0000000000000006 R12: ffff8100856b3e58 > May 20 13:58:33 node36 kernel: [1291442.513551] R13: 0000000000000000 > R14: 000000000000000b R15: 000000000000000b > May 20 13:58:33 node36 kernel: [1291442.600894] FS: > 00002b12c126d6e0(0000) GS:ffffffff80561000(0000) knlGS:00000000f7da76b0 > May 20 13:58:33 node36 kernel: [1291442.699656] CS: 0010 DS: 0000 ES: > 0000 CR0: 000000008005003b > May 20 13:58:33 node36 kernel: [1291442.770380] CR2: 00000000000000b2 > CR3: 000000002ade7000 CR4: 00000000000006e0 > May 20 13:58:33 node36 kernel: [1291442.857723] Process mount.nfs (pid: > 1080, threadinfo ffff8100856b2000, task ffff8100bcba14a0) > May 20 13:58:33 node36 kernel: [1291442.961678] Stack: ffff8100856b3e58 > ffff8100856b3e60 ffff8100a7c63600 ffffffff802b1fa0 > May 20 13:58:33 node36 kernel: [1291443.059926] 0000000000000006 > ffffffffa7c63600 ffff810030d78000 ffff810059996000 > May 20 13:58:33 node36 kernel: [1291443.150800] ffff81007b39e000 > ffffffff802b3271 0000000000000010 0000000000000000 > May 20 13:58:33 node36 kernel: [1291443.239489] Call Trace: > May 20 13:58:33 node36 kernel: [1291443.272934] [do_add_mount+160/352] > do_add_mount+0xa0/0x160 > May 20 13:58:33 node36 kernel: [1291443.339502] [do_mount+1329/2000] > do_mount+0x531/0x7d0 > May 20 13:58:33 node36 kernel: [1291443.402957] > [__handle_mm_fault+1985/2912] __handle_mm_fault+0x7c1/0xb60 > May 20 13:58:33 node36 kernel: [1291443.475761] > [autoremove_wake_function+0/48] autoremove_wake_function+0x0/0x30 > May 20 13:58:33 node36 kernel: [1291443.552711] [__up_read+33/176] > __up_read+0x21/0xb0 > May 20 13:58:33 node36 kernel: [1291443.615125] > [do_page_fault+971/2160] do_page_fault+0x3cb/0x870 > May 20 13:58:33 node36 kernel: [1291443.683776] > [zone_statistics+125/128] zone_statistics+0x7d/0x80 > May 20 13:58:33 node36 kernel: [1291443.752425] [error_exit+0/132] > error_exit+0x0/0x84 > May 20 13:58:33 node36 kernel: [1291443.814842] > [copy_mount_options+273/384] copy_mount_options+0x111/0x180 > May 20 13:58:33 node36 kernel: [1291443.888680] [sys_mount+155/256] > sys_mount+0x9b/0x100 > May 20 13:58:33 node36 kernel: [1291443.952136] [system_call+126/131] > system_call+0x7e/0x83 > May 20 13:58:33 node36 kernel: [1291444.016629] > May 20 13:58:33 node36 kernel: [1291444.036459] > May 20 13:58:33 node36 kernel: [1291444.036460] Code: 0f b7 81 b2 00 00 > 00 25 00 f0 00 00 3d 00 40 00 00 48 8b 47 > May 20 13:58:33 node36 kernel: [1291444.215606] RSP <ffff8100856b3c48> > > > It does get triggered by some application using the automounter (autofs) > that then does the mount.nfs call. > > Kernel is a: 2.6.22-14-generic. I wasn't able to search similar stuff > up from the archive. That appears to be crashing in generic VFS code rather than in anything nfs specific, so I'd suggest reposting this Oops to linux-fsdevel. It would be nice if you could first try to reproduce it with 2.6.25, though. Cheers Trond -- 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
