Re: [PATCH] tmpfs: fix shmem_getpage_gfp VM_BUG_ON

From: Dave Jones
Date: Wed Nov 07 2012 - 17:38:28 EST


On Tue, Nov 06, 2012 at 03:48:20PM -0800, Hugh Dickins wrote:

> > ------------[ cut here ]------------
> > WARNING: at mm/shmem.c:1151 shmem_getpage_gfp+0xa5c/0xa70()
> > Hardware name: 2012 Client Platform
> > Pid: 21798, comm: trinity-child4 Not tainted 3.7.0-rc4+ #54
>
> That's the very same line number as in your original report, despite
> the long comment which the patch adds. Are you sure that kernel was
> built with the patch in?

I just changed the code by hand, and opted not to paste the comment in.

It is plausible that I built that kernel and forgot to reboot into it,
but I'm 99.9% sure that that wasn't the case.

Unfortunatly I can't check immediately, as that machine for reasons
unknown no longer wants to get past the BIOS POST check.

I'll see if I can reproduce it on a different test box until I get
that one back up.

Dave

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