Messages in this thread | | | Date | Sat, 19 Aug 2006 11:14:37 -0700 | From | Andrew Morton <> | Subject | Re: [Bugme-new] [Bug 7027] New: CD Ripping speeds slow with 2.6.17 |
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On Sat, 19 Aug 2006 11:00:22 -0700 bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=7027 > > Summary: CD Ripping speeds slow with 2.6.17 > Kernel Version: 2.6.17 > Status: NEW > Severity: normal > Owner: bzolnier@gmail.com > Submitter: brnewber@gmail.com > > > Most recent kernel where this bug did not occur: 2.6.16 > Distribution: Gentoo > Hardware Environment: ASUS K8V mobo, AMD64 2200, 1GB RAM > Software Environment: Gentoo > Problem Description: Ever since 2.6.17 my cd ripping speeds with one particular > CD ripper/encoder (namely the one I wrote) have been slow. > > Using git bisect I tracked it down to this patch.. > > 9430d58e34ec3861e1ca72f8e49105b227aad327 is first bad commit > commit 9430d58e34ec3861e1ca72f8e49105b227aad327 > Author: Mike Galbraith <efault@gmx.de> > Date: Wed Mar 22 00:07:33 2006 -0800 > > [PATCH] sched: remove sleep_avg multiplier > > Remove the sleep_avg multiplier. This multiplier was necessary back when > we had 10 seconds of dynamic range in sleep_avg, but now that we only have > one second, it causes that one second to be compressed down to 100ms in > some cases. This is particularly noticeable when compiling a kernel in a > slow NFS mount, and I believe it to be a very likely candidate for other > recently reported network related interactivity problems. > > In testing, I can detect no negative impact of this removal. > > Signed-off-by: Mike Galbraith <efault@gmx.de> > Acked-by: Ingo Molnar <mingo@elte.hu> > Signed-off-by: Andrew Morton <akpm@osdl.org> > Signed-off-by: Linus Torvalds <torvalds@osdl.org> > > :040000 040000 28d2d8f53ab7b5dd89e846f2dcc107ce88cb695f 780a13c0f8ba5465db79c668 > > I'm honestly not sure if my application is doing something it shouldn't or if > this is a legitimate kernel bug. Being totally at a loss I'm filing it here.I > just know that before the above patch I was ripping at about speeds of 9.0x and > now I rip at 1.2x. >
sched problems...
Martin, this might be the source of your `dvdrip' woes? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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