Date: Tue, 3 Apr 2007 16:12:56 -0700 From: "Matthew Jacob" <lydianconcepts@gmail.com> To: "Scott Long" <scottl@samsco.org> Cc: freebsd-scsi@freebsd.org, freebsd-current@freebsd.org, Alex Dupre <ale@freebsd.org> Subject: Re: targclose doesn't return Message-ID: <7579f7fb0704031612q354b1b57u9a36378736e235df@mail.gmail.com> In-Reply-To: <7579f7fb0704031612m2b9ba127w2b411e4eecd706fa@mail.gmail.com> References: <46126585.8080204@FreeBSD.org> <46127DF4.5080703@samsco.org> <461285E0.8000008@FreeBSD.org> <7579f7fb0704031332o64d0637coe17770971d5a6e29@mail.gmail.com> <4612C873.1020505@samsco.org> <7579f7fb0704031612m2b9ba127w2b411e4eecd706fa@mail.gmail.com>
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I mean to say I'll put it on my list, but if others have a quick
insight into fixing it that would be mucho appreciated.
On 4/3/07, Matthew Jacob <lydianconcepts@gmail.com> wrote:
> Neither am I. I had to fool around with this at one point to get it to
> work and it's probably gotten broken again as other parts of the
> kernel get more lock clean. Sigh.
>
> On 4/3/07, Scott Long <scottl@samsco.org> wrote:
> > My guess is that the kninit() in targopen isn't being cleaned up from in
> > targclose. I'm not terribly familiar in how the knote API works,
> > though.
> >
> > Scott
> >
> >
> > Matthew Jacob wrote:
> > > Yeah- I've seen this too.
> > >
> > > On 4/3/07, Alex Dupre <ale@freebsd.org> wrote:
> > >> Scott Long wrote:
> > >> > Are there any other console messages from the targ driver? Can you
> > >> > turn on CAMDEBUG and send us the trace of what is going on?
> > >>
> > >> CAMDEBUG is already on, but simply opening/closing the targ device,
> > >> without sending any ioctl to enable it, shouldn't produce any CAM
> > >> message. I traced the kernel thread and I found that it doesn't return
> > >> from the destroy_devl() function: csw->d_purge is NULL and
> > >> dev->si_threadcount is '1'. The thread enters the following block
> > >> (kern_conf.c, row 690) and never exits.
> > >>
> > >>
> > >> while (dev->si_threadcount != 0) {
> > >> /* Use unique dummy wait ident */
> > >> msleep(&csw, &devmtx, PRIBIO, "devdrn", hz / 10);
> > >> }
> > >>
> > >>
> > >> --
> > >> Alex Dupre
> > >> _______________________________________________
> > >> freebsd-scsi@freebsd.org mailing list
> > >> http://lists.freebsd.org/mailman/listinfo/freebsd-scsi
> > >> To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org"
> > >>
> >
> >
>
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