RE: [Xen-devel] drdb fails under xen

["Tom Hibbert" <tom@xxxxxxxxx>]

Works fine here (Debian Sarge, Xen 2.0.1, drbd 0.7, kernel-source
2.6.9). By 'stock' and 'Fedora's latest' I assume you are talking about
precompiled binaries, which is probably your problem. Build from source.

Tom 

-----Original Message-----
From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Luciano
Miguel Ferreira Rocha
Sent: Thursday, 27 January 2005 11:34 a.m.
To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] drdb fails under xen


Under xen, either stock xen-2.0.1+linux-2.6.9 or Fedora's latest
(2.6.10-1.1109_FC4), drdb (<http://www.drbd.org/>),as soon as I try to
write to one of its devices, causes "Badness" in the kernel and,
ultimately, a spontaneous reboot.

Under non-xen 2.6.10-1.1109_FC4 and 2.6.9-1.678_FC3, drbd works fine.

The error:
Jan 25 21:01:23 turing kernel: Badness in blk_plug_device at
drivers/block/ll_rw_blk.c:1217 Jan 25 21:01:23 turing kernel:
[<c022942a>] blk_plug_device+0x2e/0x65 Jan 25 21:01:23 turing kernel:
[<c8985884>] drbd_make_request_common+0x4a6/0x8b9 [drbd] Jan 25 21:01:23
turing kernel:  [<c016abea>] do_open+0xc5/0x2de Jan 25 21:01:23 turing
kernel:  [<c0146e40>] poison_obj+0x21/0x41 Jan 25 21:01:23 <cut....>

and keeps repeating itself.

It works fine without xen, but fails under xen. Could xen be catching a
bug on drbd, or is it a bug caused by xen's paches?

Regards,
Luciano Rocha

--
2/16


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