[stgt] help tgt segfault

FUJITA Tomonori fujita.tomonori at lab.ntt.co.jp
Wed Jan 7 08:18:19 CET 2009

On Tue, 06 Jan 2009 16:26:35 +0100
Tomasz Chmielewski <mangoo at wpkg.org> wrote:

> Tomasz Chmielewski schrieb:
> > FUJITA Tomonori schrieb:
> > 
> >> Looks like tgtd works fine. Let me know the results later. If it works
> >> fine, I'll clean up and merge the patch.
> > 
> > I was running the tests for about 8 hours and everything worked fine.
> > 
> > No more I/O errors from open-iscsi side as well.
> I'm running a bit different "test" now and I'm getting host resets on 
> open-iscsi side every few minutes:
>   connection3:0: iscsi: detected conn error (1011)
> iscsi: host reset succeeded
> The "test" is using DRBD over a slow link.
> In such case (background synchronization running over a slow link), for 
> tgtd, DRBD device for look like one that returns reads fast (say, 50 
> MB/s), but any write, even small, can potentially wait several seconds 
> to complete (with average speed of about 200 kB/s and long delays).
> How can I check what causes these resets?

Have you already checked the tcpdump log?
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