Date: Tue, 03 Apr 2007 16:26:36 -0600 From: Scott Long <scottl@samsco.org> To: Matthew Jacob <lydianconcepts@gmail.com> Cc: freebsd-scsi@freebsd.org, freebsd-current@freebsd.org Subject: Re: targclose doesn't return Message-ID: <4612D49C.8040100@samsco.org> In-Reply-To: <4612C873.1020505@samsco.org> References: <46126585.8080204@FreeBSD.org> <46127DF4.5080703@samsco.org> <461285E0.8000008@FreeBSD.org> <7579f7fb0704031332o64d0637coe17770971d5a6e29@mail.gmail.com> <4612C873.1020505@samsco.org>
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Actually, I think it's a wildly incorrect use of the clone API. I'll
take a look at in the in next few days and try to commit something that
works.
Scott
Scott Long 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
>>> _______________________________________________
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>>> http://lists.freebsd.org/mailman/listinfo/freebsd-scsi
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>>>
>
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