All of lore.kernel.org
 help / color / mirror / Atom feed
From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Jesper Krogh <jesper-Q2TZfHgGEy4@public.gmane.org>
Cc: NFS list <linux-nfs@vger.kernel.org>
Subject: Re: Kernel call trace on NFS-mount (using autofs).
Date: Tue, 20 May 2008 15:26:13 -0400	[thread overview]
Message-ID: <1211311573.23156.10.camel@localhost> (raw)
In-Reply-To: <48331EAE.6060107-Q2TZfHgGEy4@public.gmane.org>

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


  parent reply	other threads:[~2008-05-20 19:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-20 18:55 Kernel call trace on NFS-mount (using autofs) Jesper Krogh
     [not found] ` <48331EAE.6060107-Q2TZfHgGEy4@public.gmane.org>
2008-05-20 19:26   ` Trond Myklebust [this message]
2008-05-20 19:31     ` Jesper Krogh
     [not found]       ` <4833272B.9030602-Q2TZfHgGEy4@public.gmane.org>
2008-05-20 19:37         ` Trond Myklebust
2008-05-20 20:28   ` Chuck Lever
2008-05-21  5:03     ` Jesper Krogh
     [not found]       ` <4833AD1B.6010408-Q2TZfHgGEy4@public.gmane.org>
2008-05-21 16:53         ` Chuck Lever

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1211311573.23156.10.camel@localhost \
    --to=trond.myklebust@fys.uio.no \
    --cc=jesper-Q2TZfHgGEy4@public.gmane.org \
    --cc=linux-nfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.