Messages in this thread | | | Subject | Re: ide_wait_not_busy oops still with 2.6.14-rc3 (Re: 1GHz pbook 15", linux 2.6.14-rc2 oops on resume) | From | Lee Revell <> | Date | Wed, 12 Oct 2005 14:17:29 -0400 |
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On Mon, 2005-10-10 at 14:41 +0200, Soeren Sonnenburg wrote: > On Sat, 2005-10-08 at 07:25 +1000, Benjamin Herrenschmidt wrote: > > On Thu, 2005-10-06 at 21:19 +0200, Soeren Sonnenburg wrote: > > > On Mon, 03 Oct 2005 07:12:24 +0000, Soeren Sonnenburg wrote: > > > > > > > Hi all, > > > > > > > > when a dvd featuring some iso content is in the dvd-drive and the > > > > machine is put to sleep mode, it will give the following oops on resume. > > > > It is working without problems if no media is in the drive. > > > > Voluntary preemption is ON. > > > > Find below the dmesg output when a dvd is in the drive. > > > > > > now it is: > [incomplet oops] > > ok, here is the complete one: > > BUG: soft lockup detected on CPU#0!
This isn't an Oops. What the soft lockup detector is telling you is that one CPU detected that another CPU was running something in the kernel for a LONG time without rescheduling which is considered a bug. The fix is to make ide_wait_not_busy() preemptible.
Lee
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