Messages in this thread | | | Date | Sun, 26 Sep 2004 23:00:53 +0200 | From | Stefan Seyfried <> | Subject | Re: 2.6.9-rc2-mm3: swsusp horribly slow on AMD64 |
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Rafael J. Wysocki wrote: > On Sunday 26 of September 2004 12:09, Pavel Machek wrote:
>>>>We have seen something similar after hdparm was used on specific >>>>machines. Are you using hdparm?
Pavel, i am pretty sure the issue with hdparm and 32-bit disk access was just a symptom, not the cause. Rafael, please try the patch i posted in the other mail, i believe this is the right thing to do.
>>>Not explicitly, but it's used by SuSE initscripts to set IDE DMA, AFAICS. >>>However, the problem did not occur on 2.6.9-rc2-mm1 with the same >>>initscripts. >> >>Okay, so try what happens without the initscripts > > I turned the stuff off but of course it didn't change anything. :-)
That's what i expected.
>>and try to locate change that breaks it...
> Well, I'm a bit confused: > > --- linux-2.6.9-rc2-mm1/kernel/power/swsusp.c 2004-09-16 14:06:56.000000000 > +0200 > +++ linux-2.6.9-rc2-mm3/kernel/power/swsusp.c 2004-09-24 11:35:18.000000000 > +0200 > @@ -862,8 +862,8 @@ > error = swsusp_arch_suspend(); > /* Restore control flow magically appears here */ > restore_processor_state(); > - local_irq_enable(); > restore_highmem(); > + local_irq_enable(); > return error; > }
without this one is needed or highmem will break "sometimes". Was really nasty. You did have highmem-resume problems, didn't you?
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