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From: Milan Broz <mbroz@redhat.com>
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Subject: Re: [dm-crypt] luksFormat hangs
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To: Martin Hicks <mort@bork.org>
Cc: dm-crypt@saout.de

On 06/28/2011 10:23 PM, Martin Hicks wrote:
> I see what the problem is.  Must be a compiler bug of some kind on our platform.
> 
> rt_sigaction(SIGVTALRM, {0xffd60b4, [VTALRM], SA_RESTART}, {SIG_DFL,
> [], 0}, 8) = 0
> setitimer(ITIMER_VIRTUAL, {it_interval={0, 0}, it_value={1, 0}}, NULL) = 0
> 
> 
> That is correct, I think.  It's just setting the timer to let the
> performance test run for 1 second, but I never seem to get the
> wake-up...

There was already bug in Gentoo hardened triggered by this code
https://bugs.gentoo.org/show_bug.cgi?id=283470
That's why I asked which libc is used. It seems to me like bug in timer
code but it need probably more investigation.

> I'll have to see if I can find a reason why VTALRM is disabled,
> doesn't exist or whatever on my platform...

I am trying to test all architectures possible, so if there is some
problem or bug, please let me know. (PPC/PPC64 should work without problem).

Milan