Re: v3.13-rc6+ regression (ARM board)
From: Willy Tarreau
Date: Tue Dec 31 2013 - 05:46:17 EST
On Tue, Dec 31, 2013 at 11:37:21AM +0100, Krzysztof Ha??asa wrote:
> There seems to be a regression in v3.13-rc6+ (up to current tip =
> Board is Gateworks Cambria, CPU Intel IXP435 ARM big endian, gcc 4.7.3.
> The board boots correctly and works (shell mostly, and SSHD) for about
> 50 seconds. After 52-54 seconds, it frozes dead without any console
> (UART) output.
> Bisecting shows 5e30025a319910695f5010dc0fb53a23299da14d as the first
> bad commit. Interestingly it's a merge:
> Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> Pull core locking changes from Ingo Molnar:
> "The biggest changes:
> - add lockdep support for seqcount/seqlocks structures, this
> unearthed both bugs and required extra annotation.
> - move the various kernel locking primitives to the new
> kernel/locking/ directory"
> Both parents of this merge consistently show no such problem. The merge
> is basically automatic, I don't see any suspect there.
> Any ideas?
No, but FWIW it works fine here on an armada370 (armv7). That doesn't
mean there's no bug, just that I'm not hitting it :-)
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