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Re: [bug] as_merged_requests(): possible recursive locking detected
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From:
Jens Axboe <jens.axboe@...>
To: Ingo Molnar <mingo@...>
Cc: <linux-kernel@...>
Subject:
Re: [bug] as_merged_requests(): possible recursive locking detected
Date: Friday, February 1, 2008 - 7:22 am
On Fri, Feb 01 2008, Ingo Molnar wrote:
quoted text
> > * Jens Axboe <jens.axboe@oracle.com> wrote: > > > On Fri, Feb 01 2008, Ingo Molnar wrote: > > > > > > * Jens Axboe <jens.axboe@oracle.com> wrote: > > > > > > > Are you sure this triggered with the as fixup in place? It looks like > > > > the same bug. > > > > > > most definitely a separate bug. > > > > yeah, I didn't read it carefully enough. Nikanth found the reason. > > /me processes his mbox some more and sees the mails > > am i right that lockdep complained about real lockup potential here? > (i.e. it caught a real bug) So there's no need to change anything on the > lockdep side, right?
Right, no bug in lockdep, the locking code and swap_io_context() are just screwed up. -- Jens Axboe --
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Messages in current thread:
[bug] as_merged_requests(): possible recursive locking detec...
, Ingo Molnar
, (Thu Jan 31, 6:14 pm)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Nikanth Karthikesan
, (Fri Feb 1, 6:03 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Jens Axboe
, (Fri Feb 1, 6:12 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Nikanth Karthikesan
, (Fri Feb 1, 7:00 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Jens Axboe
, (Fri Feb 1, 6:31 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Nick Piggin
, (Fri Feb 1, 8:54 pm)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Jens Axboe
, (Fri Feb 1, 4:40 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Ingo Molnar
, (Fri Feb 1, 6:45 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Jens Axboe
, (Fri Feb 1, 6:47 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Ingo Molnar
, (Fri Feb 1, 7:01 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Jens Axboe
, (Fri Feb 1, 7:22 am)
Re: [bug] as_merged_requests(): possible recursive locking d...
, Ingo Molnar
, (Thu Jan 31, 6:19 pm)
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