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Re: [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX23416-STVLP
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From: Jean Delvare
Subject:
Re: [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX23416-STVLP
Date: Thursday, August 7, 2008 - 6:07 am
Hi Hans, On Sun, 3 Aug 2008 23:12:25 +0200, Hans Verkuil wrote:
quoted text
> Hi Ohta, > > Well, I picked up my card this weekend and tested it. It turns out to be > an i2c-core.c bug: chips with i2c addresses in the 0x5x range are > probed differently than other chips and the probe command contains an > error. The upd64083 has an address in that range and so was hit by this > bug. The attached patch for linux/drivers/i2c/i2c-core.c will fix it. > > As you can see, this mail also goes to Jean Delvare so that he can move > this upstream (should also go to the 2.6.26-stable series, Jean!). > > For the ivtv driver this bug will only hit cards where ivtv has to probe > for an upd64083. > > SoB for this patch: > > Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> > > I've verified that this is only an issue with kernels 2.6.26 and up. > Older kernels are not affected unless the ivtv driver from the v4l-dvb > repository is used. To be more precise: this bug has been in i2c-core.c > since 2.6.22, but the ivtv driver in 2.6.26 was the first driver that > used i2c_new_probed_device() with an i2c address in a range that caused > the broken probe to be used.
Good catch, thanks for the patch. I'll push it to Linus by the end of the week. -- Jean Delvare --
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Messages in current thread:
[PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX23416- ...
, Kyuma Ohta
, (Thu Jul 17, 8:20 am)
Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KURO ...
, Hans Verkuil
, (Thu Jul 17, 8:58 am)
Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KURO ...
, Kyuma Ohta
, (Thu Jul 17, 4:13 pm)
Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KURO ...
, Hans Verkuil
, (Sat Jul 19, 12:08 pm)
Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KURO ...
, Hans Verkuil
, (Sun Aug 3, 2:12 pm)
Re: [ivtv-devel] [PATCH AVAIL.]ivtv:Crash 2.6.26 with KURO ...
, Kyuma Ohta
, (Wed Aug 6, 6:18 am)
Re: [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX234 ...
, Jean Delvare
, (Thu Aug 7, 6:07 am)
Re: [PATCH AVAIL.]ivtv:Crash 2.6.26 with KUROTOSIKOU CX234 ...
, Kyuma Ohta
, (Sun Aug 10, 12:40 am)
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