On Wed, Mar 23, 2005 at 05:12:59AM -0800, [EMAIL PROTECTED] wrote:
> the hang occurs during an attempted thread cancel+join. we know from
> strace that one thread calls tgkill() on the other. the other thread is
> blocked in a poll call on a FIFO. after tgkill, the first thread enters a
> futex wai
> Paul is on vacation for a week so I suspect this will have to wait for
> his return. But he's been right about similar issues in the past so I'm
> inclined to believe him.
>
> In the meantime if anyone cares to investigate, the problem is trivial
> to reproduce. All you need is JACK, XMMS, xmms
On Tue, 2005-03-22 at 01:34 -0500, Jakub Jelinek wrote:
> On Tue, Mar 22, 2005 at 12:30:53AM -0500, Lee Revell wrote:
> > On Mon, 2005-03-21 at 21:08 -0800, Andrew Morton wrote:
> > > Jamie Lokier <[EMAIL PROTECTED]> wrote:
> > > >
> > > > The most recent messages under "Futex queue_me/get_user or
On Tue, 2005-03-22 at 15:30 +, Jamie Lokier wrote:
> Lee Revell wrote:
> > On Tue, 2005-03-22 at 04:48 +, Jamie Lokier wrote:
> > > I argued for fixing Glibc on the grounds that the changed kernel
> > > behaviour, or more exactly having Glibc depend on it, loses a certain
> > > semantic pro
Lee Revell wrote:
> On Tue, 2005-03-22 at 04:48 +, Jamie Lokier wrote:
> > I argued for fixing Glibc on the grounds that the changed kernel
> > behaviour, or more exactly having Glibc depend on it, loses a certain
> > semantic property useful for unusual operations on multiple futexes at
> > th
On Tue, Mar 22, 2005 at 12:30:53AM -0500, Lee Revell wrote:
> On Mon, 2005-03-21 at 21:08 -0800, Andrew Morton wrote:
> > Jamie Lokier <[EMAIL PROTECTED]> wrote:
> > >
> > > The most recent messages under "Futex queue_me/get_user ordering",
> > > with a patch from Jakub Jelinek will fix this probl
On Mon, 2005-03-21 at 21:08 -0800, Andrew Morton wrote:
> Jamie Lokier <[EMAIL PROTECTED]> wrote:
> >
> > The most recent messages under "Futex queue_me/get_user ordering",
> > with a patch from Jakub Jelinek will fix this problem by changing the
> > kernel. Yes, you should apply Jakub's most rec
Jamie Lokier <[EMAIL PROTECTED]> wrote:
>
> Andrew Morton wrote:
> > iirc we ended up deciding that the futex problems around that time were due
> > to userspace problems (a version of libc). But then, there's no discussion
> > around Seto's patch and it didn't get applied. So I don't know what
>
On Tue, 2005-03-22 at 04:48 +, Jamie Lokier wrote:
> I argued for fixing Glibc on the grounds that the changed kernel
> behaviour, or more exactly having Glibc depend on it, loses a certain
> semantic property useful for unusual operations on multiple futexes at
> the same time. But I appear t
On Mon, 2005-03-21 at 20:20 -0800, Andrew Morton wrote:
> Lee Revell <[EMAIL PROTECTED]> wrote:
> >
> > Paul Davis and Chris Morgan have been chasing down a problem with
> > xmms_jack and it really looks like this bug, thought to have been fixed
> > in 2.6.10, is the culprit.
> >
> > http://www.uw
Andrew Morton wrote:
> iirc we ended up deciding that the futex problems around that time were due
> to userspace problems (a version of libc). But then, there's no discussion
> around Seto's patch and it didn't get applied. So I don't know what
> happened to that work - it's all a bit mysterious
Lee Revell wrote:
> > iirc we ended up deciding that the futex problems around that time were due
> > to userspace problems (a version of libc). But then, there's no discussion
> > around Seto's patch and it didn't get applied. So I don't know what
> > happened to that work - it's all a bit myste
Lee Revell <[EMAIL PROTECTED]> wrote:
>
> Paul Davis and Chris Morgan have been chasing down a problem with
> xmms_jack and it really looks like this bug, thought to have been fixed
> in 2.6.10, is the culprit.
>
> http://www.uwsg.iu.edu/hypermail/linux/kernel/0409.0/2044.html
>
> (for more info
Paul Davis and Chris Morgan have been chasing down a problem with
xmms_jack and it really looks like this bug, thought to have been fixed
in 2.6.10, is the culprit.
http://www.uwsg.iu.edu/hypermail/linux/kernel/0409.0/2044.html
(for more info google "futex_wait 2.6 hang")
It's simple to reproduc
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