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FromChristian Borntraeger <>
SubjectRe: ide-scsi scheduling while atomic in linux-2.6.0-test11
DateWed, 10 Dec 2003 08:03:29 +0100
dan carpenter wrote:
> > ide-scsi scheduling while atomic in linux-2.6.0-test11>> You don't need ide-cd to burn cds in 2.6 so the easiest fix is to just
> stop using ide-cd.  Anyway,  here is the buggy code that causes the
> problem:

ide-scsi....ide-cd is working.
> drivers/scsi/ide-scsi.c> 895:         spin_lock_irqsave(&ide_lock, flags);
> 896:         while (HWGROUP(drive)->handler) {> 897:                 HWGROUP(drive)->handler = NULL;
> 898:                 schedule_timeout(1);> 899:         }>> The fix is quite complicated and I don't know how to do it correctly.  :/

First idea I have is to replace the spinlocks with semaphores. 

cheers

CHristian

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