On Thu, 1 Dec 2011 01:26:39 +0100, Jean Delvare wrote: > On Thu, 01 Dec 2011 07:25:15 +0800 (HKT), undersys wrote: > > Hi All, > > > > I can no longer load the core temp module, it gives me the following kernel Opps. > > (...) > > This used to work fine before I updated the kernel to 3.0.x. (...) > > Ah, yes, I can reproduce that, and the bug is pretty obvious. I'll send > a patch tomorrow. > > Meanwhile you may be able to work around the problem by installing the > microcode_ctl package and ensuring that the microcode is updated before > loading the coretemp driver. If the CPU microcode is too old, the coretemp driver won't work. But instead of failing gracefully, it currently oops. Check for NULL platform device data to avoid this. Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: Durgadoss R <Durgadoss.r@xxxxxxxxx> Cc: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx> --- This is for stable kernel branch 3.0 only. Previous and later versions have different code paths and are not affected by this bug. drivers/hwmon/coretemp.c | 2 ++ 1 file changed, 2 insertions(+) --- linux-3.0.orig/drivers/hwmon/coretemp.c 2011-12-01 08:39:45.000000000 +0100 +++ linux-3.0/drivers/hwmon/coretemp.c 2011-12-01 08:49:32.000000000 +0100 @@ -539,6 +539,8 @@ static void coretemp_add_core(unsigned i return; pdata = platform_get_drvdata(pdev); + if (!pdata) + return; err = create_core_data(pdata, pdev, cpu, pkg_flag); if (err) -- Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
