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SubjectRe: call_usermodehelper() returns -513 when ocfs2 umounting filesystems
On 2013/7/30 15:30, Xue jiufei wrote:
> Hi,
> We have encountered an error when umounting ocfs2 filesystems.
> Function ocfs2_leave_group() calls call_usermodehelper() to stop
> heartbeat thread, but it returns -513(ERESTARTNOINTR) in one test.
> And after that error, every times umounting the filesystem, it
> returns the same error.
> And at the same time, there's another kworker thread which is
> sending messages to other nodes always return return errno
> -512(ERESTARTSYS). So I think these two threads may have
> pending signals remain.
> This error can not reproduced any longer. Has any ideas?
>
> The log is as follows:
> [58463.684504] (kworker/u:1,17332,0):o2net_send_tcp_msg:1332 ERROR: sendmsg returned -512 instead of 104
> [58915.213299] ocfs2: Error -513 running user helper "/usr/sbin/ocfs2_hb_ctl -K -u A5FD0ED8733D4F9C98D23B326AD7DE10"
> [59406.443615] ocfs2: Error -513 running user helper "/usr/sbin/ocfs2_hb_ctl -K -u A5FD0ED8733D4F9C98D23B326AD7DE10"
>
> Thanks.
> --joyce
The kernel version is 3.0.58.
>
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