On Monday 25 January 2021 21:21:30 Pali Rohár wrote: > On Monday 25 January 2021 12:19:38 Guenter Roeck wrote: > > On Mon, Jan 25, 2021 at 11:05:40AM +0100, Pali Rohár wrote: > > > On Saturday 23 January 2021 18:46:08 Thomas Hebb wrote: > > > > It has been reported[0] that the Dell XPS 15 L502X exhibits similar > > > > freezing behavior to the other systems[1] on this blacklist. The issue > > > > was exposed by a prior change of mine to automatically load > > > > dell_smm_hwmon on a wider set of XPS models. To fix the regression, add > > > > this model to the blacklist. > > > > > > > > [0] https://bugzilla.kernel.org/show_bug.cgi?id=211081 > > > > [1] https://bugzilla.kernel.org/show_bug.cgi?id=195751 > > > > > > > > Fixes: b8a13e5e8f37 ("hwmon: (dell-smm) Use one DMI match for all XPS models") > > > > Cc: stable@xxxxxxxxxxxxxxx > > > > Reported-by: Bob Hepple <bob.hepple@xxxxxxxxx> > > > > Tested-by: Bob Hepple <bob.hepple@xxxxxxxxx> > > > > Signed-off-by: Thomas Hebb <tommyhebb@xxxxxxxxx> > > > > --- > > > > > > > > drivers/hwmon/dell-smm-hwmon.c | 7 +++++++ > > > > 1 file changed, 7 insertions(+) > > > > > > > > diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c > > > > index ec448f5f2dc3..73b9db9e3aab 100644 > > > > --- a/drivers/hwmon/dell-smm-hwmon.c > > > > +++ b/drivers/hwmon/dell-smm-hwmon.c > > > > @@ -1159,6 +1159,13 @@ static struct dmi_system_id i8k_blacklist_fan_support_dmi_table[] __initdata = { > > > > DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"), > > > > }, > > > > }, > > > > + { > > > > + .ident = "Dell XPS 15 L502X", > > > > + .matches = { > > > > + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), > > > > + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Dell System XPS L502X"), > > > > > > Hello! Are you sure that it is required to completely disable fan > > > support? And not only access to fan type label for which is different > > > blaclist i8k_blacklist_fan_type_dmi_table? > > > > > > > I'll drop this patch from my branch. Please send a Reviewed-by: or Acked-by: tag > > if/when I should apply it. > > Of course! We will just wait for Bob test results. Guenter, now we have all needed information, fix is really needed in this form. So you can add my: Reviewed-by: Pali Rohár <pali@xxxxxxxxxx>