[Gluster-devel] cp taking 100% cpu and never terminating

[Raghavendra G]

Hi Mickey,
Is it possible to provide server side logs?

regards,

On Mon, May 12, 2008 at 1:43 AM, Mickey Mazarick <mic at digitaltadpole.com>
wrote:

> Something odd is happening when I run a shell script with cp commands in
> it. This happens infrequently but I have to reboot the system to get my
> processor back. I'm never taring or copying more than 50 megs of data.
>
> It either hangs on a command like:
> cp --reply=yes /usr/src/linux-${kernver}/.config
> /tftpboot/node_root/boot/config-${kernver}
> or
> tar cf - etc | gzip > /tftpboot/node_root/drbl_ssi/template_etc.tgz
>
> when I do a top I see:
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 1603 root      20   0 54160 1616  508 R  100  0.0  33:02.72 cp
> (100% cpu time)
>
> I'm unable to kill that process in any way, but I can kill the shell
> script that spawned it. The CP command is still running.
>
> I see the below errors on the client:
> 2008-05-11 17:02:32 E [client-protocol.c:1238:client_flush] system1: :
> returning EBADFD
> 2008-05-11 17:02:32 E [afr.c:2623:afr_flush_cbk] afr1:
> (path=/scripts/gluster/afrheal.sh child=system1) op_ret=-1 op_errno=77
> 2008-05-11 17:02:32 W [client-protocol.c:1296:client_close] system1: no
> valid fd found, returning
> 2008-05-11 17:02:32 W [client-protocol.c:1296:client_close] system-ns1: no
> valid fd found, returning
>
> My client and server specs are identical to:
>
> http://www.gluster.org/docs/index.php/Simple_High_Availability_Storage_with_GlusterFS_1.3
>
> This happens equally over ib-verbs and tcp transports.
>
> --
>
>
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>



-- 
Raghavendra G

A centipede was happy quite, until a toad in fun,
Said, "Prey, which leg comes after which?",
This raised his doubts to such a pitch,
He fell flat into the ditch,
Not knowing how to run.
-Anonymous