Re: [Bug 8473] New: Oops: 0010 [1] SMP

From: Paul Fulghum
Date: Fri Jun 08 2007 - 15:21:25 EST


On Fri, 2007-06-08 at 10:16 -0500, Paul Fulghum wrote:
> On Fri, 2007-06-08 at 05:06 +0200, BjÃrn Steinbrink wrote:
> > This is do_tty_hangup() exchanging the fops while we're waiting for the
> > lock. The new fops (hung_up_tty_fops) only have the unlocked variant and
> > thus we Oops our way.
...
> Here is a patch that restores the locked ioctl for hung_up_tty_ioctl.
> Can you try it and see if it removes your oops?

Unfortunately I can't get the timing right to trigger this,
but it is very clear the locked ioctl fop must not be
allowed to disappear like my original patch allows.

Andrew:

Would you prefer I resend the entire compat ioctl patch or
submit an incremental patch like in my message I'm quoting above?

--
Paul Fulghum
Microgate Systems, Ltd

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/