Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2006-02-21 09:28:14 +0100
\ Michael Paesold:
> Just some analysis from myself:
>
> Michael Paesold wrote:
> >Logs from primary/sync source: (xen03)
^^^^^^^
this is not "plain linux", but Xen master virtualization domain,
or what are you up to?
> >-------------------------------------------------------
> >14:53:18 drbd0: resync bitmap: bits=47492149 words=1484130
> >14:53:18 drbd0: size = 181 GB (189968593 KB)
> >14:53:20 drbd0: 189968596 KB now marked out-of-sync by on disk bit-map.
> >14:53:20 drbd0: Assuming that all blocks are out of sync (aka FullSync)
> >14:53:22 drbd0: 189968596 KB now marked out-of-sync by on disk bit-map.
> >14:53:22 drbd0: Couldn't start thread (-4)
>
> This can only come from drbd/drbd_main.c. It is a failure of
> pid = kernel_thread(drbd_thread_setup, (void *) thi, CLONE_FS); in drbd_thread_start.
>
> I ain't no kernel hacker, so I don't really know what to think of this. Perhaps it's here where this all started? A problem with the kernel?
>
>
> >14:53:22 drbd0: drbdsetup [3461]: cstate Unconfigured --> StandAlone
> >14:54:02 drbd0: drbdsetup [3479]: cstate StandAlone --> Unconnected
> >14:54:02 drbd0: drbdsetup [3479]: cstate Unconnected --> StandAlone
> >14:54:02 drbd0: drbdsetup [3479]: cstate StandAlone --> Unconfigured
> >14:54:02 drbd0: _drbd_thread_stop: (thi->task == NULL) in /home/mip/rpm/BUILD/drbd-0.7.16/drbd/drbd_main.c:581
>
> This is a failed D_ASSERT in _drbd_thread_stop, well...
well. we could not start the thread (from the output below it is the
"worker", that failed to start), so the task pointer is NULL.
guess what, if the worker is not there, who does the work?
thus: stalled.
why the thread could not be started?
I don't know.
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