> Quoting Hugh Dickins <hugh@xxxxxxxxxxx>: > Subject: Re: 2.6.21-rc1: T60 ACPI issues > > On Wed, 1 Aug 2007, Michael S. Tsirkin wrote: > > > Hi! > > ACPI appears to have been broken with 2.6.23-rc1 on my T60 > > Userspace from ubuntu dapper. > > (Whereas I'm using a T43p with openSUSE 10.2.) > > > > > 1. During boot, I see a lot of messages like this: > > [ 41.034204] acpi LNXSYSTM:00: uevent: unsupported action-string; this will be ignored in a future kernel version > > (I've not seen those.) > > > > > 2. Pressing Fn/F4 does not trigger suspend to ram > > This normally triigers ACPI event which triggers suspend to RAM on Ubuntu > > (echo mem > /sys/power/state works) > > I'll bet this is your CONFIG_THINKPAD_ACPI_INPUT_ENABLED=y. > I got the same, see my "THINKPAD_ACPI_INPUT_ENABLED seems regressive" > mail to Henrique and lkml an hour ago. This? http://lkml.org/lkml/2007/8/1/176 > > > > 3. After suspend to RAM, system wakes up but laptop's screen is blank, > > switching VTs etc does not help. > > External screen wakes up OK though. > > dmesg output from boot attached. > > (I've not had that.) Bingo. sudo rmmod thinkpad_acpi cures both 2 and 3. Thanks for pointing this out. Henrique, if there's a patch to test, pls let me know. Or maybe CONFIG_THINKPAD_ACPI_INPUT_ENABLED should be N by default. -- MST _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
