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Date: Wed, 11 Jun 2008 11:00:24 +0900 From: Tejun Heo <htejun@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: Justin Mattock <justinmattock@...il.com>, linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org Subject: Re: macbook pro dvd playback after suspend Buffer I/O error Andrew Morton wrote: > On Fri, 4 Apr 2008 05:07:45 +0000 "Justin Mattock" <justinmattock@...il.com> wrote: > >> When playing a DVD and then suspending the system while the DVD is >> still in play, upon wakeup I'm receiving a Buffer I/O error on device >> sr0, logical block 356490. >> the DVD will continue to play but then gmplayer complains: Warning! >> FPS changed 23.976 -> 29.970 (-5.994005) [4] then the video becomes >> very choppy. When looking at osx in the same test the DVD will be >> paused until the cd player aligns itself, then playback will start. >> With looking further at this I think this is an issue of a library or >> codec, So with this in mind is there a package that I might look at to >> see if this resolves the issue. Attached is dmesg of the Buffer I/O >> regards; > > An ata thing, I assume. Let's cc linux-ide. > > Is this new behaviour in 2.6.25-rc8, or were earlier kernels OK? This is due to UNIT ATTENTION condition triggered by reset during resume. The following patches should fix it. http://marc.info/?l=linux-ide&m=121309016918976&w=2 http://marc.info/?l=linux-ide&m=121309016918979&w=2 Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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