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Message #11667
[Bug 1170087] Re: NFS client hangs after some usage
** Tags removed: kernel-unable-to-test-upstream
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https://bugs.launchpad.net/bugs/1170087
Title:
NFS client hangs after some usage
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
We have an Ubuntu 10.04 machine. I mounts a directory (statically,
i.e. a line in /etc/fstab) on an NFS server.
After some usage, the mount will simply hang. Any attempt to access
the mount (e.g. ls /somedir) will just hang, and will have to be kill
-9'ed.
Trying to mount another NFS export on the same server, or another
server, will simply fail (syscall failed). Trying to access the hung
export from another machine works fine (i.e. the server side works,
this is a client-side problem).
This is kernel 2.6.32-45-server.
What logs would you like? When trying to do this:
rpcdebug -m nfs -s all
All I see on an access attempt is:
Apr 17 10:47:53 brent kernel: [145406.995318] NFS: revalidating (0:15/2)
Apr 17 10:47:53 brent kernel: [145406.995326] NFS call getattr
If I do this:
rpcdebug - m rpc -s all
I get waaaaay too much info. :) This box also serves as an NFS
server, but when this glitch happens, the NFS server is unaffected.
We cannot do upstream testing. We tried the latest kernel on another
machine with the exact same config, and one of our network interfaces
would not come up.
BIOS update available at:
http://www.supermicro.com/support/resources/results.aspx
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-45-server 2.6.32-45.104
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-45.104-server 2.6.32.60+drm33.26
Uname: Linux 2.6.32-45-server x86_64
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
Date: Wed Apr 17 12:17:37 2013
MachineType: Supermicro H8DGU
PciMultimedia:
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-45-server root=/dev/mapper/vg_root-10.04 ro text console=tty0 console=ttyS0,115200n8
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_US.UTF-8
SourcePackage: linux
dmi.bios.date: 10/14/10
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.0c
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: H8DGU
dmi.board.vendor: Supermicro
dmi.board.version: 1234567890
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 1234567890
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.0c:bd10/14/10:svnSupermicro:pnH8DGU:pvr1234567890:rvnSupermicro:rnH8DGU:rvr1234567890:cvnSupermicro:ct3:cvr1234567890:
dmi.product.name: H8DGU
dmi.product.version: 1234567890
dmi.sys.vendor: Supermicro
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