Messages in this thread | | | Date | Thu, 17 Jun 2010 20:15:52 +0200 | From | Jens Axboe <> | Subject | Re: [patch] cfq: Don't allow queue merges for queues that have no process references |
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On 2010-06-17 16:19, Jeff Moyer wrote: > Hi, > > A user reported a kernel bug when running a particular program that did > the following > > created 32 threads > - each thread took a mutex, grabbed a global offset, added a buffer size > to that offset, released the lock > - read from the given offset in the file > - created a new thread to do the same > - exited
[snip]
Thanks for doing the excellent writeup and nailing this bug, I'll commit it and mark it for -stable.
-- Jens Axboe
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