** Description changed: - In 2.6.27-rc9 I noticed a fix/blacklist (commit e84956f92a846246b09b34f2a728329c386d250f) for two ATI laptop that set thermal - trip points to insanely low values. - I am using current Ubuntu LiveCD which ships kernel 2.6.27-6.9 and I noticed a similar problem on my HP Compaq 6715s (with latest BIOS F.0D 08/20/2008). + In 2.6.27-rc9 I noticed a fix/blacklist (commit e84956f92a846246b09b34f2a728329c386d250f) for two ATI laptop that set thermal trip points to insanely low values. A more general fix for some HP machine was later merged on upstream 2.6.27.2: + http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git;a=commit;h=e87898fdba90f9a270ae6bdb8ce98da91338a951 + Unfortunately this fix does not cover 6715s. + + I am using current Ubuntu LiveCD which ships kernel 2.6.27-6.9 and I + noticed a similar problem on my HP Compaq 6715s (with latest BIOS F.0D + 08/20/2008). Steps to reproduce: run current LiveCD (downloaded from http://cdimage.ubuntu.com/daily-live/). The system is really slow, the fan is always active, but ouput fresh air. If can be useful, running the following command as found here: http://marc.info/?l=linux-acpi&m=121396447214047&w=4 I get: $ cat /proc/acpi/thermal_zone/TZ*/trip_points critical (S5): 105 C passive: 16 C: tc1=1 tc2=2 tsp=100 devices=C000 C001 active[0]: 16 C: devices=C39B active[1]: 16 C: devices=C39C active[2]: 16 C: devices=C39D active[3]: 16 C: devices=C39E - Maybe it should blacklisted also this hardware? - - Apparently the patch is available at + There is a patch available at http://bugzilla.kernel.org/show_bug.cgi?id=11516#c52 See also http://bugzilla.kernel.org/show_bug.cgi?id=11719 Thanks
** Tags added: regression-2.6.27 -- [intrepid] HP Compaq 6715s very slow - need to be blacklisted? https://bugs.launchpad.net/bugs/280202 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
