linux-ext4 - [Bug 116471] Core in ext4 filesystem on a Dell Server

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Message-ID: <bug-116471-13602-J41892DPVB@https.bugzilla.kernel.org/>
Date:	Fri, 15 Apr 2016 21:48:14 +0000
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 116471] Core in ext4 filesystem on a Dell Server

https://bugzilla.kernel.org/show_bug.cgi?id=116471

Eric Sandeen <sandeen@...hat.com> changed:

           What    |Removed                     |Added
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                 CC|                            |sandeen@...hat.com

--- Comment #1 from Eric Sandeen <sandeen@...hat.com> ---
First of all, this looks like a rebuilt centos kernel based on RHEL7.0 - i.e a
modified, old, distro kernel.  So upstream bugzilla may not be the best place
for it.

That said, this is down a do_coredump() path, hitting BUG_ON(irqs_disabled())

We've seen similar things on xfs, also down the do_coredump() path, in an
upstream 3.14 kernel (http://oss.sgi.com/archives/xfs/2014-02/msg00325.html).

That launched a long thread, and nobody seemed to come to an answer of why
interrupts were disabled at that point.

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