From: Jim Rees <rees@umich.edu>
To: linux-nfs@vger.kernel.org
Subject: block layout oops
Date: Wed, 29 Sep 2010 13:25:52 -0400 [thread overview]
Message-ID: <20100929172552.GA24460@merit.edu> (raw)
I'm getting this when I try to do a block layout mount with benny's new
pnfs-all-latest kernel, 2.6.36-rc6-pnfs:
BUG: unable to handle kernel NULL pointer dereference at 00000008
IP: [<e0c5f9a3>] nfs4_proc_getdevicelist+0x3c/0x118 [nfs]
*pde = 00000000
Oops: 0000 [#1]
last sysfs file: /sys/module/sunrpc/initstate
Modules linked in: blocklayoutdriver nfs lockd fscache nfs_acl auth_rpcgss sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm microcode snd_timer snd i2c_piix4 pcnet32 i2c_core soundcore pcspkr snd_page_alloc mii [last unloaded: speedstep_lib]
Pid: 1226, comm: mount.nfs4 Not tainted 2.6.36-rc6-pnfs #9 /VirtualBox
EIP: 0060:[<e0c5f9a3>] EFLAGS: 00210246 CPU: 0
EIP is at nfs4_proc_getdevicelist+0x3c/0x118 [nfs]
EAX: 00000000 EBX: e0cb3310 ECX: 00000004 EDX: de9c3c40
ESI: df756000 EDI: de9c3c68 EBP: de9c3c90 ESP: de9c3c30
DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0069
Process mount.nfs4 (pid: 1226, ti=de9c2000 task=df626380 task.ti=de9c2000)
Stack:
de9c3c40 de9c3c68 debfb300 dec0ee00 00000000 00000000 df756000 e0caec47
<0> c14b830c dea26588 dea26590 de9c3c88 c10a2f7f 00000008 00200246 e0cb3310
<0> c14b8624 de9c3c90 00000000 00000000 00000000 e0cb3310 00000003 de9c3d38
Call Trace:
[<e0caec47>] ? T.983+0x12/0x14 [blocklayoutdriver]
[<c10a2f7f>] ? __kmalloc+0xf7/0x103
[<e0caed2e>] ? bl_initialize_mountpoint+0xe5/0x36b [blocklayoutdriver]
[<e0c7233e>] ? set_pnfs_layoutdriver+0x146/0x1e2 [nfs]
[<e0c48ba8>] ? nfs_probe_fsinfo+0x18a/0x2c0 [nfs]
[<e0c483a6>] ? nfs_init_server_rpcclient+0x25/0xd1 [nfs]
[<e0c49511>] ? nfs_clone_server+0x11f/0x206 [nfs]
[<e0c51ca2>] ? nfs4_xdev_get_sb+0x42/0x1cc [nfs]
[<c10acf0a>] ? vfs_kern_mount+0x9b/0x15d
[<e0c59871>] ? nfs_follow_mountpoint+0x1df/0x31e [nfs]
[<c10b3950>] ? do_follow_link+0xcc/0x1ed
[<c10b3d54>] ? link_path_walk+0x2e3/0x3be
[<c10b3f18>] ? path_walk+0x52/0xaf
[<c10b3fe6>] ? vfs_path_lookup+0x71/0xb5
[<e0c5197f>] ? nfs_follow_remote_path+0x126/0x255 [nfs]
[<e0c51b9b>] ? nfs4_try_mount+0x61/0x94 [nfs]
[<e0c52586>] ? nfs4_get_sb+0x22a/0x299 [nfs]
[<c10acf0a>] ? vfs_kern_mount+0x9b/0x15d
[<c10ad01b>] ? do_kern_mount+0x38/0xc2
[<c10be1e9>] ? do_mount+0x5ee/0x634
[<c10bcd5c>] ? copy_mount_options+0x78/0xd7
[<c10be295>] ? sys_mount+0x66/0x94
[<c132425c>] ? syscall_call+0x7/0xb
Code: c0 89 4d ac 8d 7d e8 b9 03 00 00 00 89 55 a8 8d 55 b0 f3 ab 8d 45 d8 89 45 a4 89 55 a0 8b 86 a8 01 00 00 b9 04 00 00 00 8b 7d a4 <8b> 50 08 31 c0 f3 ab 8b 4d a8 8b 7d a0 89 55 dc 89 4d d8 b9 06
EIP: [<e0c5f9a3>] nfs4_proc_getdevicelist+0x3c/0x118 [nfs] SS:ESP 0068:de9c3c30
CR2: 0000000000000008
next reply other threads:[~2010-09-29 17:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-29 17:25 Jim Rees [this message]
2010-09-30 2:11 ` block layout oops Bian Naimeng
2010-09-30 7:23 ` Benny Halevy
2010-09-30 8:29 ` Benny Halevy
2010-09-30 11:59 ` Jim Rees
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=20100929172552.GA24460@merit.edu \
--to=rees@umich.edu \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox