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SubjectRe: Re[8]: problems with scsi_transport_fc and qla2xxx
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On Sun, 2006-03-12 at 00:10 +0300, Maxim Kozover wrote:
> Hi Andrew!
> Congratulations! The kernel from scsi-rc-fixes git and your patch are
> working.
> By the way, could you, please, tell me how I get only scsi patches
> from the git repository, cause I got the whole kernel by using
> cg-clone http://kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git
>
> Now the process looks like following:
> Mar 11 23:54:22 multipath kernel: qla2xxx 0000:03:01.0: LOOP DOWN detected (2).
> Mar 11 23:54:28 multipath kernel: rport-4:0-0: blocked FC remote port time out:
> removing target and saving binding
> Mar 11 23:54:37 multipath kernel: qla2xxx 0000:03:01.0: LIP reset occured (f7f7).
> Mar 11 23:54:37 multipath kernel: qla2xxx 0000:03:01.0: LOOP UP detected (2 Gbps).
> Mar 11 23:54:59 multipath kernel: 4:0:0:0: timing out command, waited 22s
>
> And the disks appear.
> Could you tell me, please, where this 22sec timeout came from?

looks like your fiber fabric decided to renegotiate, and halfway it went
for a coffee and donuts break to not upset the union rules :)

I've seen LOOP negotiations take 10+ seconds before, and that is on a
really simple setup.... so nothing super special

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