Re: Software Suspend 2.0

Måns Rullgård
2004-01-31T22:15:21Z

Joseph Pingenot <trelane@digitasaru.net> writes:

> From Måns Rullgård on Saturday, 31 January, 2004:
>>"Prakash K. Cheemplavam" <PrakashKC@gmx.de> writes:
>>>> My error. My patch script has put kernel/power/swsusp2.c in the version
>>> No problem. I already tested it. After throwing out usb modules, it
>>> did suspend, though taking quite long at the kernel and processing
>>> (something like that) message. But upon restart, it didn't resume,
>>> ie. it didn't find its image, just normal swap space.
>>Try disabling write cache on the disk with hdparm -W0 /dev/hde.
>
> When should this be done?
>
> I have 2.6.1 + the 2.6.1-specific patches + core patches. It suspends
> without difficulty, but on boot, it says it couldn't read a part
> of the resume data (a "chunk", iirc). The status bar doesn't make
> much progress.
>
> I tried hdparm -W 0 right before the call to hibernate (in a script).

That did the trick for me. You must be having a different problem.

> But I still have the problem.
>
> When should hdparm be called?
>
> Thanks!
>
> -Joseph

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Måns Rullgård
mru@kth.se