On Wed, 3 Dec 2008, Rafael J. Wysocki wrote: > > commit 7cd5b08be3c489df11b559fef210b81133764ad4 > Author: Wim Van Sebroeck <wim@xxxxxxxxx> > Date: Wed Nov 19 19:39:58 2008 +0000 > > [WATCHDOG] iTCO_wdt : problem with rebooting on new ICH9 based motherboards > > Bugzilla #9868: On Intel motherboards with the ICH9 based I/O controllers > (Like DP35DP and DG33FB) the iTCO timer counts but it doesn't reboot the > system after the counter expires. > > This patch fixes this by moving the enabling & disabling of the TCO_EN bit > in the SMI_EN register into the start and stop code. > > Signed-off-by: Wim Van Sebroeck <wim@xxxxxxxxx> > > makes CPU fan spin with full speed and causes hald-addon-acpi to take 100% of > CPU time on Toshiba Portege R500 with openSUSE 11.0 user space. This starts as > soon as hal starts or thereabouts and never ends, which makes the current > mainline unusable on that box. Hmm. I wonder if the bug is this one-liner (it really looks like an idiotic typo). Can you test? Linus --- drivers/watchdog/iTCO_wdt.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 26173a2..5b395a4 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -392,7 +392,7 @@ static int iTCO_wdt_stop(void) /* Bit 13: TCO_EN -> 1 = Enables the TCO logic to generate SMI# */ val32 = inl(SMI_EN); - val32 &= 0x00002000; + val32 |= 0x00002000; outl(val32, SMI_EN); /* Set the NO_REBOOT bit to prevent later reboots, just for sure */ -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
