[SEGFAULT] waking up from S3 fails (ACPI)

[SEGFAULT] waking up from S3 fails (ACPI)

[Joerg Hoh]

Hi

The kernel crashes when I want to wake up the systems from Suspend to RAM
(S3). Kernel is 2.6.0-test5 on a IBM R32 Notebook.

When I do the

echo -n "mem" >> /sys/power/state

the notebook goes immediately off (no led is on. When I do suspend to RAM 
via APM, there is still a led on - the halfmoon one). Pressing the power button 
turns the notebook on (the display is on) and there are some messages on
the console (don't know, which are from going to suspend and which are from 
trying to wake up):

hdc: start_power_step(step:0)
hdc: completing PM request, suspend
hda: start_power_step(step: 0)
hda: start_power_step(step: 1)
hda: complete_power_request(step:1, stat:50, err: 0)
hda: completing PM request suspend
 hwsleep-0257 [29] acpi_enter_sleep_state: Entering sleep state [S1]
double fault, gdt at c0449a80 [255 bytes]
double fault, tss at c04d5800
eip = 00000000, esp = 00000000
eax = 00000000, ebx = 00000000, ecx = 00000000, edx = 00000000
esi = 00000000, edi = 00000000


Joerg

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Re: [SEGFAULT] waking up from S3 fails (ACPI)

[Patrick Mochel]

> The kernel crashes when I want to wake up the systems from Suspend to RAM
> (S3). Kernel is 2.6.0-test5 on a IBM R32 Notebook.

Sorry about the delay in getting back to you. 

> When I do the
> 
> echo -n "mem" >> /sys/power/state
> 
> the notebook goes immediately off (no led is on. When I do suspend to RAM 
> via APM, there is still a led on - the halfmoon one). Pressing the power button 
> turns the notebook on (the display is on) and there are some messages on
> the console (don't know, which are from going to suspend and which are from 
> trying to wake up):
> 
> hdc: start_power_step(step:0)
> hdc: completing PM request, suspend
> hda: start_power_step(step: 0)
> hda: start_power_step(step: 1)
> hda: complete_power_request(step:1, stat:50, err: 0)
> hda: completing PM request suspend
>  hwsleep-0257 [29] acpi_enter_sleep_state: Entering sleep state [S1]
> double fault, gdt at c0449a80 [255 bytes]
> double fault, tss at c04d5800
> eip = 00000000, esp = 00000000
> eax = 00000000, ebx = 00000000, ecx = 00000000, edx = 00000000
> esi = 00000000, edi = 00000000

That's not a segfault, that's a double fault - much more interesting. :) 

Could you send me the output of 'cat /proc/cpuinfo' and 'lspci -v' please?

Thanks,


	Pat