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Date: Wed, 28 Jan 2009 17:25:25 -0500 From: Jarod Wilson <jarod@...hat.com> To: linux1394-devel@...ts.sourceforge.net Cc: Stefan Richter <stefanr@...6.in-berlin.de>, Kristian Høgsberg <krh@...planet.net>, linux-kernel@...r.kernel.org Subject: Re: [PATCH RFT 7/7] firewire: sbp2: add workarounds for 2nd and 3rd generation iPods On Wednesday 28 January 2009 17:18:41 Jarod Wilson wrote: > > - Is the "no page tables" workaround really necessary for 2nd gen. > > iPods, or is the 128k limit sufficient as reported for the Ubuntu > > 8.10 kernel? > > Looks to me like the no page tables workaround isn't needed. I could > have sworn the defaults w/this patch (workarounds 0x48) was actually > causing dd to fail last night, but I haven't been able to reproduce > that failure, now that I'm trying (maybe I this ipod mixed up with one > of the others in the pile...). Yep, I'm a dummy. The failure I was thinking of was w/the completely flaky 3rd-gen iPod, just went back and looked at logs. So far as I can tell, I'm thinking 128k limit + fix capacity should be okay for both the 2nd and 3rd-gen iPods, and if someone comes up with evidence that the 2nd-gen does something badly w/the fix capacity workaround enabled, then we revisit trying to apply the workarounds more narrowly somehow. -- Jarod Wilson jarod@...hat.com -- 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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