[DRBD-user] D States with drbd on 2.6.22

Lars Ellenberg lars.ellenberg at linbit.com
Mon Aug 27 12:38:12 CEST 2007

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Mon, Aug 27, 2007 at 12:10:39PM +0200, Jens Beyer wrote:
> 
> Hi,
> 
> 
> On Mon, Aug 27, 2007 at 10:13:48AM +0200, Lars Ellenberg wrote:
> > On Mon, Aug 27, 2007 at 10:01:39AM +0200, Jens Beyer wrote:
> > > 
> > > Unfortunately the patch didnt help. I attached the relevant traces
> > > of drbd, xfsbufd and 'rm'
> > 
> > and you are _sure_ that you unloaded the old module,
> > and loded the new one containing that patch?
> > 
> > the traces below do not look like it.
> > 
> 
> To be honest, no I forgot to remove the module explicitly so I 
> did another test after a reboot (traces below); 
> Still xfsbufd is stuck reproducible at the same calls (i verified 
> twice...).

then it is still the old unpatched module.  really.
do rmmod drbd;
insmod ./drbd.ko
verify the build-tag (time stamp) in /proc/drbd.

> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950082] Call Trace:
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950092]  [<ffffffff804041b1>] wait_for_completion+0xa1/0x100
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950102]  [<ffffffff80228f70>] default_wake_function+0x0/0x10
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950111]  [<ffffffff80228f70>] default_wake_function+0x0/0x10
> > 
> > including that patch, the next frew lines
> > should happen in the context of the drbd_worker thread.
> > 
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950133]  [<ffffffff88143938>] :drbd:_drbd_md_sync_page_io+0xc8/0x130
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950154]  [<ffffffff881442fc>] :drbd:drbd_md_sync_page_io+0x29c/0x4f0
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950172]  [<ffffffff881317a0>] :drbd:drbd_bm_get_lel+0x130/0x220
> > > Aug 27 09:52:15 boxfe02 kernel: [ 2573.950191]  [<ffffffff88132a58>] :drbd:drbd_bm_write_sect+0xc8/0x220

-- 
: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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