On Mon, 12 Dec 2005, Ryan Richter wrote: > > And yet another crash, this time during boot: The instruction that crashes is testb $0x80,0x1cd(%rdi) with %rdi being 6b6b6b6b6b6b6b6b, which is the pattern that slab poisoning uses for free areas. I think it's the "sdev->single_lun" test at the very top of the function, where "sdev" was initialized with "q->queuedata". So it looks like somebody free'd the request_queue structure before the IO completed. Definitely sounds like something screwy in SCSI.. I don't think this is VM related. Linus - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html