Tomasz Torcz wrote:
On Wed, Jul 22, 2009 at 10:40:31AM -0400, Chris Mason wrote:
On Wed, Jul 22, 2009 at 01:27:06PM +0200, Tomasz Torcz wrote:
Hi,
I tried to export file from btrfs volume using iSCSI target.
As soon as some initiator have read it over network, server
oopsed: http://www.kerneloops.org/submitresult.php?number=557979
Kernel is Fedora's 2.6.29.6-213.fc11.x86_64. I'm aware that
target iSCSI functionality is out-of-tree (I'm using iscsitarget-0.4.17-3),
so it may not be safe. But is there any known incompatibility
between iscsi-target and btrfs?
Sorry, I don't know of any problems between btrfs and iscsi. Is the
iscsi target configured to use linux aio? That could be the problem.
I'm not sure, I'm a mere user. This target software seems to read
files from kernelspace, which as I understand is frowned upon.
If you are interested, sourcecode is at http://iscsitarget.sourceforge.net/
Ooops occured in fileio_make_request(), in iscsitarget-0.4.17/kernel/file-io.c
file.
Have you tried other target implementations, for example tgt[1] or scst[2]?
From experience, I have to say iscsitarget has a couple of serious
instability problems (at least it was the case about a year ago, could
be that the things improved).
[1] http://stgt.berlios.de
[2] http://scst.sf.net
--
Tomasz Chmielewski
http://wpkg.org
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