netdev - Re: [BUG] New Kernel Bugs

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Message-ID: <20071114195208.GD23221@flint.arm.linux.org.uk>
Date:	Wed, 14 Nov 2007 19:52:08 +0000
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Pavel Machek <pavel@....cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	alsa-devel@...a-project.org, netdev@...r.kernel.org,
	linux-pcmcia@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Natalie Protasevich <protasnb@...il.com>,
	linux-ide@...r.kernel.org, bugme-daemon@...zilla.kernel.org,
	linux-input@...ey.karlin.mff.cuni.cz
Subject: Re: [BUG] New Kernel Bugs

On Wed, Nov 14, 2007 at 01:24:48PM +0000, Pavel Machek wrote:
> Hi!
> 
> > > Suspend to RAM resume hangs on a tickless (NO_HZ) kernel
> > > http://bugzilla.kernel.org/show_bug.cgi?id=9275
> > > Kernel: 2.6.23
> > > This is HP notebook nc6320 T2400 945GM
> > 
> > No response from developers
> 
> Maybe I'm optimistic, but I expected Ingo/Thomas to look after nohz
> problems. nohz=off highres=off fixes more than one suspend problem...
> 
> ...stuff I've seen with NOHZ even without suspend (cursor blinking
> irregulary) make me think that nohz perhaps should not be used in
> production just yet...

It appears that bug 9229 has been solved, and the reporter of that
bug now says that:

  If I unset NO_TZ suspend/resume works.
  If I set it suspend/resume doesn't works.

So I think this guy is now suffering from bug #9275

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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