On Wed, Sep 30, 2009 at 03:42:52PM +0200, Thomas Gleixner wrote:
| On Wed, 30 Sep 2009, Thomas Gleixner wrote:
|
| > On Wed, 30 Sep 2009, Luis Claudio R. Goncalves wrote:
| >
| > > Hello,
| > >
| > > This is apparently a new manifestation of the same issue I have been chasing
| > > for quite a while and have been failing in a very shameful way to fix. In
| > > the original issue, whenever I run deluge (bit torrent client) at
| > > SCHED_FIFO, I got the error message below and system would freeze / panic
| > > during shutdown:
| > >
| > > ================================================
| > > [ BUG: lock held when returning to user space! ]
| > > ------------------------------------------------
| > > deluged/3035 is leaving the kernel with locks still held!
| > > 1 lock held by deluged/3035:
| > > #0: (&lock->lock){......}, at: [<ffffffffa02ae965>] ipt_do_table+0x10c/0x5f3 [ip_tables]
| >
| > Yikes. Can you please decode the code line for ffffffffa02ae965 ? Does
| > the bug happen with function tracer enabled ? If yes, enable
| > ftrace_dump_on_oops hook up a serial console and capture the dump.
|
| I'm quite sure that I know what breaks. Working on a fix.
I will get the ftrace data anyway. I tried at first converting xt_info_lock
to atomic_spin_lock but it lead to a bigger series of warnings :)
Thanks for looking at this issue!
Luis
--
[ Luis Claudio R. Goncalves Bass - Gospel - RT ]
[ Fingerprint: 4FDD B8C4 3C59 34BD 8BE9 2696 7203 D980 A448 C8F8 ]
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