On Wed, 2009-02-04 at 04:36 +0800, Robert Jarzmik wrote:
> First of all, sorry for the duplicate on linux-pm, but as Pavel suggested, this
> topic gains wider audience as acpi and pm are involved.
>
> I have an issue with my laptop with suspend to ram.
> My laptop is an Acer Travelmate 6592g :
>
> > [rj@velvet wireshark-1.0.5 (master)]$ sudo s2ram -i
> > This machine can be identified by:
> > sys_vendor = "Acer"
> > sys_product = "TravelMate 6592"
> > sys_version = "PSMBOU-1234567"
> > bios_version = "V1.53 "
>
> The kernel running is the last I have : 2.6.29-rc1, but the problem is the same
> whatever the kernel version I take (between 2.6.16 and 2.6.29-rc1).
Will you please try the latest kernel(2.6.29-rc3)?
If the problem still exists, please attach the output of dmesg,
acpidump.
Thanks.
>
> The issue is that even if the laptop enters suspend correctly, it hangs on
> comming out of it. After some research, I cornered down the module which changes
> the behaviour : acpi_cpufreq.ko.
>
> When I forbid the laptop to load this module, the suspend to ram works like a
> charm, in "init" single mode or multi-user mode. When I load the module, the
> resume always hangs (fan goes high speed like crazy, no LCD back, hard drive led
> stays on, caps_lock key not responsive, ...)
>
> Now, I notice that loading acpi-cpufreq triggers the following message :
> > log: Jan 19 18:23:42 velvet kernel: ACPI: EC: non-query interrupt received, switching to interrupt mode
>
> As this is not the part of the kernel I'm most at ease with, I'd like some help
> to investigate. I'll gladly make any test or apply patches to my own git tree.
>
> I join to this mail a URL [1] to see the little information I have :
> - kernel messages (/var/log/messages), for single user startup
> - ACPI table
> - my kernel configuration
> - kernel message for a working suspend to ram (ie. without acpi_cpufreq).
> - I suspend using s2ram -f -v -p -s
>
> Best regards.
>
> --
> Robert
>
> [1] http://belgarath.hd.free.fr/download/acer6592tm/
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