From: Clemens Ladisch <clemens@ladisch.de>
To: jon@jonshouse.co.uk
Cc: Takashi Iwai <tiwai@suse.de>, alsa-devel@alsa-project.org
Subject: Re: Random process lockup on ARM board: alsa-lib-1.0.25, FUTEX_WAIT_PRIVATE
Date: Thu, 08 Mar 2012 21:40:35 +0100 [thread overview]
Message-ID: <4F591943.8040308@ladisch.de> (raw)
In-Reply-To: <1331233549.2772.5.camel@jonspc>
Jonathan Andrews wrote:
> Using the static libasound without pthreads now.
>
> Process still stalls in same way:
>
> ARM / # strace -p 408
> Process 408 attached - interrupt to quit
> futex(0x15a684, FUTEX_WAIT, 2, NULL
So it's not a call from alsa-lib.
> An strace of a stall (intel this time) is here. Its 2GB and on a slow
> link (sorry).
> http://www.jonshouse.co.uk/download/a_stop.txt
If only there were a tool to compress files ...
> The futex address 0xae5320 occurs only once at the end of the text file
> so I have no idea what sets it up.
Can't you attach gdb to your process?
Or at least log where in your program you are?
(If strace has too much overhead, write to a variable, and run a thread
that waits for keyboard input and prints the variable.)
Regards,
Clemens
next prev parent reply other threads:[~2012-03-08 20:41 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-16 12:01 Random process lockup on ARM board: alsa-lib-1.0.25, FUTEX_WAIT_PRIVATE Jonathan Andrews
2012-02-17 21:04 ` Jonathan Andrews
2012-02-18 13:02 ` Jonathan Andrews
2012-02-18 20:36 ` Clemens Ladisch
[not found] ` <1329603022.1089.57.camel@jonspc>
2012-02-20 7:54 ` Clemens Ladisch
[not found] ` <1329926198.22918.10.camel@jonspc>
2012-02-22 16:23 ` Clemens Ladisch
[not found] ` <1329933773.24266.44.camel@jonspc>
2012-03-08 8:53 ` Clemens Ladisch
[not found] ` <1331199625.22455.7.camel@jonspc>
[not found] ` <4F588213.2030600@ladisch.de>
[not found] ` <1331203724.22455.44.camel@jonspc>
2012-03-08 11:43 ` Clemens Ladisch
2012-03-08 13:04 ` Jonathan Andrews
2012-03-08 13:47 ` Jonathan Andrews
2012-03-08 14:35 ` Clemens Ladisch
2012-03-08 15:14 ` Jonathan Andrews
2012-03-08 15:34 ` Takashi Iwai
2012-03-08 16:42 ` Jonathan Andrews
2012-03-08 19:05 ` Jonathan Andrews
2012-03-08 20:40 ` Clemens Ladisch [this message]
2012-03-08 21:42 ` Jonathan Andrews
2012-03-14 13:18 ` Jonathan Andrews
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