Re: kernel BUG at /data/lemmy/linux.trees.git/fs/nfs/idmap.c:681!

[Joerg Roedel <joro@8bytes.org>]

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On Tue, Aug 07, 2012 at 10:36:31AM -0400, Bryan Schumaker wrote:
> Your stack trace is showing v4 calls on the failing box, those
> definitely shouldn't be happening if you're using v3.  Can you double
> check /etc/fstab and /proc/mounts on a working kernel to be sure?

So the bug is probably (for whatever reason) that the nfs4 path is
called for an nfs3 mount :)
Anyway, I attach /proc/mounts and /etc/fstab from that box running a
v3.5-rc5 kernel (where it works).


	Joerg


[-- Attachment #2: proc-mounts-3.5 --]
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rootfs / rootfs rw 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,relatime,size=8201004k,nr_inodes=2050251,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,relatime,size=3297852k,mode=755 0 0
fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0
/dev/sda5 / ext4 rw,noatime,errors=remount-ro,data=ordered 0 0
none /sys/kernel/debug debugfs rw,relatime 0 0
none /sys/kernel/security securityfs rw,relatime 0 0
none /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k 0 0
none /run/shm tmpfs rw,nosuid,nodev,relatime 0 0
/dev/sda6 /data ext4 rw,noatime,data=ordered 0 0
lemmy:/data/repos/ /data/lemmy nfs rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=165.204.15.93,mountvers=3,mountport=52788,mountproto=udp,local_lock=none,addr=165.204.15.93 0 0

[-- Attachment #3: etc-fstab --]
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# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    nodev,noexec,nosuid 0       0
# / was on /dev/sda5 during installation
UUID=791ccf4e-dfe7-468d-9f54-40eff9b60dcf /               ext4    noatime,errors=remount-ro 0       1
# /data was on /dev/sda6 during installation
UUID=f32d10da-0587-413f-beac-bc5197c5aa84 /data           ext4    noatime         0       2
# swap was on /dev/sda1 during installation
UUID=a7cdb974-794f-4972-a386-b0bd687c52de none            swap    sw              0       0
lemmy:/data/repos	/data/lemmy	nfs	defaults	0	0