Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX23416-STVLP
From: Hans Verkuil
Date: Sat Jul 19 2008 - 15:09:39 EST
On Friday 18 July 2008 01:13:45 Kyuma Ohta wrote:
> Dear Hans,
> Thanx for reply.
I've decided to wait until I have access to my own card with upd64083
and upd64031a devices. I'll be back in the Netherlands in about two
weeks from now, and then I can pick it up and bring it back with me to
Oslo where I can test it and fix the problem.
The backtrace doesn't really help me, I think I need to do a bit of
A bit of a shame that I didn't bring it with me a week ago. It was on my
list of things to take with me, but my suitcase was already pretty full
so I decided against it. Next time I'll make sure I have it :-)
For now just use your workaround. It can't do any harm, but it is not
the right solution. That will have to wait until I can test it myself.
> 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,
> E-Mail: whatisthis.sowhat@xxxxxxxxx (Public)
> Home Page: http://d.hatena.ne.jp/artane/
> (Sorry,not maintaining,and written in Japanese only...)
> Twitter: Artanejp (Mainly Japanese)
> ICQ: 366538955
> KEYID: 6B79F95F
> 9AB3 8569 6033 FDBE 352B CB6D DBFA B9E2 6B79 F95F
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