Comment 724 for bug 752542

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Peter Wu (lekensteyn) wrote : Re: [Bug 752542] Re: ACPI DSDT info

Hi Tye,

On Monday 01 September 2014 02:37:43 Tye wrote:
> I'm using Sony VAIO VPCZ135GW.
> I realized that bbswitch failed to be manipulated on my machine, and it also blocked the way to suspend, hibernate
>
> root@tye-VPCZ135GW:~# cat /proc/acpi/bbswitch
> Segmentation fault

This (and the stack trace pointing to bbswitch_proc_show) seem to indicate that
you have built the bbswitch module with a compiler different from the running
kernel. Have you manually installed an incompatible compiler (for CUDA?).

Peter