On Mon, May 25, 2009 at 04:06, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > This looks like a bug I found almost two weeks ago. The bug was > introduced by Arjan as part of his async conversion (the async routine > runs without acquiring one of the mutexes held by its caller). The > result is a race in the sd driver -- no connection with USB, Ah, I see. > by the way -- so it's a little difficult to trigger. I can trigger it pretty reliable now on plain -rc7 , but only with more hubs in-between the storage device. It usually take less than 10-15 connect/disconnect cycles. It looks like a serious bug though, after the bug triggered, random, likely unrelated, applications crash, and I can not cleanly shot down anymore. > I posted a patch, but the > reporter never said whether or not the patch fixed the problem. Hence > the patch hasn't been submitted. > > Here it is for you to try out. I'll give it try now. Kay -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
