From: Dave Jones <davej@redhat.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: Antonino Daplas <adaplas@pol.net>
Subject: Prevent softlockup triggering in nvidiafb
Date: Mon, 23 Apr 2007 11:36:30 -0400 [thread overview]
Message-ID: <20070423151053.GA5653@redhat.com> (raw)
If the chip locks up, we get into a long polling loop,
where the softlockup detector kicks in.
See https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=151878
for an example.
Signed-off-by: Dave Jones <davej@redhat.com>
--- linux-2.6.20.noarch/drivers/video/nvidia/nv_accel.c~ 2007-04-23 11:06:12.000000000 -0400
+++ linux-2.6.20.noarch/drivers/video/nvidia/nv_accel.c 2007-04-23 11:07:18.000000000 -0400
@@ -132,6 +132,8 @@ static void NVDmaWait(struct nvidia_par
}
} else
par->dmaFree = dmaGet - par->dmaCurrent - 1;
+
+ touch_softlockup_watchdog();
}
if (!count) {
next reply other threads:[~2007-04-23 15:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-23 15:36 Dave Jones [this message]
2007-04-23 15:55 ` Alan Cox
2007-04-23 16:18 ` Dave Jones
2007-04-23 23:06 ` Antonino A. Daplas
2007-04-23 16:05 ` Antonino A. Daplas
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