"camcontrol rescan all" stuck in kernel (firewire)

Alexander Leidinger Alexander at Leidinger.net
Mon May 28 11:57:27 UTC 2007


Quoting "Hidetoshi Shimokawa" <simokawa at FreeBSD.ORG> (Sun, 27 May 2007 21:30:48 +0900):

> I have no idea why you get "Error 22" but the blocking of rescan
> is expected. I suppose the process will finish after several
> "fwcontrol -r". See manpage of sbp(4) for detail.

Ah... nice. Thanks.

> If you have any problem other than the detach problem described
> in the man page, please let me know.

No, worked fine.

Bye,
Alexander.

> On 5/27/07, Alexander Leidinger <Alexander at leidinger.net> wrote:
> > Hi,
> >
> > I had a harddisk connected via firewire (not mounted, only played with
> > dd), disconneted it and issued a "camcontrol rescan all". I got some
> > kernel messages about "(probeX:sbp:0:x:0): Error 22" and "Unretryable
> > Error" and then the process is stuck there since yesterday (if it
> > matters, on boot there's a long pause between the same messages at
> > boot time and continuing with the userland part of the boot, maybe 20
> > or 30 seconds). ps shows camcontrol is in state "D+".
> >
> > In kdb I see the following backtrace:
> > sched_switch
> > mi_switch
> > sleepq_wait
> > _sleep
> > cam_periph_runccb
> > xptioctl
> > devfs_ioctl_f
> > ioctl
> >
> > The rest of the system works just fine. I tried "show xxx" (everything
> > what shows up with "lock" or "sleep" when I just type "show"), but
> > nothing showed up.
> >
> > Anything else I can provide/do to find the cause?
> >
> > Bye,
> > Alexander.
> >
> > --
> > Life is a POPULARITY CONTEST!  I'm REFRESHINGLY CANDID!!
> >
> > http://www.Leidinger.net    Alexander @ Leidinger.net: PGP ID = B0063FE7
> > http://www.FreeBSD.org       netchild @ FreeBSD.org  : PGP ID = 72077137
> > _______________________________________________
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> >
> 
> 


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