Messages in this thread | | | Date | Mon, 21 Jun 2010 09:31:10 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: 2.6.35-rc3 deadlocks on semaphore operations |
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On Sat, 19 Jun 2010, Manfred Spraul wrote:
> Hello Christoph, > > On 06/18/2010 04:56 PM, Christoph Lameter wrote: > > One important fact that I forgot to mention: This is on a dual quad core > > dell box (8 hardware threads) with CONCURRENCY_LEVEL set to 9. > > > > - Which version of make do you use? That would be one suspect that might use > semop().
$ make --version GNU Make 3.81 Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
This program built for x86_64-pc-linux-gnu
> - If I run make -j5 bzImage, then no semaphore arrays are used. > Could you try to figure out which executable is doing the 'semop()' call?
Looks like this was ld
> Or: what's the output of ps xawwwww_
Need to do another run with a broken kernel for this.
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