Re: 3.14-rc2 XFS backtrace because irqs_disabled.

From: Al Viro
Date: Tue Feb 11 2014 - 20:09:57 EST


On Tue, Feb 11, 2014 at 07:44:03PM -0500, Dave Jones wrote:

> The 'good' news is I seem to be able to reproduce it fairly quickly.
> I've seen it 3-4 times this afternoon. (Always from the coredump path)
>
> I was on vacation last week, but I wasn't hitting this before then, so it's a
> fairly recent change that's introduced this.

Slap the check in vfs_create(), see if interrupts had been disabled by it or
by something in ->create(). Since it's reproducible...
--
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/