[DRBD-user] Kernel Memory Leak

Blake Atkins Blake.Atkins at scholarone.com
Mon Nov 14 18:55:26 CET 2005

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


Hello list,

I am replying to my own e-mail in case anyone else has this problem.  It 
appears that the leak is in the SuSE SLES9 (2.6.5-7.XXX-smp) kernel.  An 
upgrade to 2.6.14-rc5-mm1 eliminated the issue.

--Blake

On Monday 17 October 2005 11:53 am, Blake Atkins wrote:
> On Monday 17 October 2005 05:21 am, Lars Ellenberg wrote:
> > / 2005-10-13 13:25:01 -0400
> >
> > \ Blake Atkins:
> > > Hello list,
> > >
> > > 	I am experiencing a memory leak with SuSE SLES9 x86_64 kernel
> > > 2.6.5-7.193-smp and a self-compiled DRBD 0.7.11.  Slabtop shows
> > > "size-256" growing at a rate
> >
> >         ^^^^^^^^^^^^^
> >
> > please make sure that you are actually _using_ your self compiled one,
> > and not the one that suse shipped with the service pack, which had the
> > mentioned bio leak.
> >
> > # cat /proc/drbd
> > verify  the version and build tag
> >
> > # find /lib/modules/$(uname -r)/ -name "drbd.ko"
> > should list only _one_ (kernel/drivers/block/drbd.ko)
> >
> >
> > _______________________________________________
> > drbd-user mailing list
> > drbd-user at lists.linbit.com
> > http://lists.linbit.com/mailman/listinfo/drbd-user
>
> Thanks for the reply,
>
> My DRBD:
>
> server:~ # cat /proc/drbd
> version: 0.7.11 (api:77/proto:74)
> SVN Revision: 1807 build by root at server, 2005-08-08 16:25:00
>
> server:~ # modinfo /lib/modules/2.6.5-override-smp/drbd.ko
> parm:           disable_io_hints:Necessary if the loopback network device
> is used for DRBD (bool) parm:           minor_count:Maximum number of drbd
> devices (1-255) (int) parm:           use_nbd_major:DEPRECATED! use nbd
> device major nr (43) instead of the default 147 (bool) license:        GPL
> description:    drbd - Distributed Replicated Block Device v0.7.11
> author:         Philipp Reisner <phil at linbit.com>, Lars Ellenberg
> <lars at linbit.com> depends:
> vermagic:       2.6.5-7.191-smp SMP gcc-3.3
>
>
> SuSE DRBD:
>
> server:~ # modinfo /lib/modules/2.6.5-7.193-smp/extra/drbd.ko
> parm:           disable_io_hints:Necessary if the loopback network device
> is used for DRBD (bool) parm:           minor_count:Maximum number of drbd
> devices (1-255) (int) parm:           use_nbd_major:DEPRECATED! use nbd
> device major nr (43) instead of the default 147 (bool) license:        GPL
> description:    drbd - Distributed Replicated Block Device v0.7.5
> author:         Philipp Reisner <phil at linbit.com>, Lars Ellenberg
> <lars at linbit.com> depends:
> supported:      yes
> vermagic:       2.6.5-7.193-smp SMP gcc-3.3
>
> It does appear that I am using the DRBD I intended to use.  I am planning
> to try SuSE kernel 2.6.5-7.201-smp and DRBD v0.7.13.  I will report back.
>
> Thanks,
>
> --Blake
>
> _______________________________________________
> drbd-user mailing list
> drbd-user at lists.linbit.com
> http://lists.linbit.com/mailman/listinfo/drbd-user




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