linux-kernel - Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX23416-STVLP

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Date:	Fri, 18 Jul 2008 08:13:45 +0900
From:	Kyuma Ohta <whatisthis.sowhat@...il.com>
To:	Hans Verkuil <hverkuil@...all.nl>,
	ivtv-devel ML <ivtv-devel@...vdriver.org>
Cc:	Video4Linux ML <video4linux-list@...hat.com>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	whatisthis.sowhat@...il.com
Subject: Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU
	CX23416-STVLP

Dear Hans,
Thanx for reply.

Hans Verkuil wrote:
> On Thursday 17 July 2008 17:20:14 Kyuma Ohta wrote:
> > Hi,
> > I'm testing 2.6.26/amd64 with Athlon64 x2 Box with
> > KUROTOSIKOU CX23416-STVLP,always crash ivtv driver
> > when loading upd64083 driver.
> > I checked crash dump,this issue cause of loading
> > upd64083.ko with i2c_probed_new_device().
> > So,I fixed ivtv-i2c.c of 2.6.26 vanilla,and
> > fixed *pretty* differnce memory allocation,structure
> > of upd64083.c.
> > I'm running patched 2.6.26 vanilla with below attached
> > patches over 24hrs,and over 10hrs recording from ivtv,
> > not happend anything;-)
> > Please apply below to 2.6.26.x..
> >
> > Best regards,
> > Ohta.
> 
> Hi Ohta,
> 
> Thanks for the patches. If I'm not mistaken there are several variants 
> of this card: without upd* devices, only with upd64083 and with both 
> upd devices. Which one do you have?
> 
> Can you also show the dmesg output when ivtv loads?
> 
> Looking at the four patches, I would say that the only relevant patch is 
> the fix-probing patch. If you try it with only that one applied, does 
> it still work correct for you? Note that this patch will not work with 
> a KUROTOSIKOU card that has no upd* devices at all.
> 
> Can you also give me the kernel backtrace when you load ivtv with the 
> vanilla 2.6.26? I do not quite understand why it should crash.
> 
> Regards,
> 
> 	Hans
> 

I have a ivtv card with *both* upd64083 and upd64031a.
I don't still try testing apply only one of patch,only 
apply all of...

I attach compressed logs when loading ivtv at boottime,
parallel probing saa7134 v4l2 device,
both applied (successed) ,not applied (failed).

Best regards,
Ohta



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Download attachment "ivtv-2.6.26-20080716-2011.error.txt.bz2" of type "application/x-bzip" (16118 bytes)

Download attachment "ivtv-2.6.26-20080716-2032-success?.txt.bz2" of type "application/x-bzip" (14836 bytes)

View attachment "lspci.txt" of type "text/plain" (2542 bytes)

Download attachment "dot.config.2.6.26.bz2" of type "application/x-bzip" (20921 bytes)