Re: suspend hangs at platform phase [was: mmotm 2010-12-23-16-58 uploaded]

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On 01/06/2011 12:28 AM, Rafael J. Wysocki wrote:
> Two more questions:
> (1) Does the failing machine power off correctly with the kernel that fails to
>     suspend?

Poweroff is OK.

> (2) Is the failing suspend behavior reproducible if you run
>     "echo disk > /sys/power/state" instead of "pm-suspend" in the platform test?

Thanks for the hint no_console_suspend with hibernate shows somwthing
(opposing to suspend). I've sent a patch for the oops which occured due
to ioremap change. The ioremap change still needs to be reverted, obviously.

The oops in question:
http://www.fi.muni.cz/~xslaby/sklad/panics/suspend-oops.png

/proc/mtrr:
reg00: base=0x0b0000000 ( 2816MB), size=  256MB, count=1: uncachable
reg01: base=0x0c0000000 ( 3072MB), size= 1024MB, count=1: uncachable
reg02: base=0x000000000 (    0MB), size= 4096MB, count=1: write-back
reg03: base=0x100000000 ( 4096MB), size= 2048MB, count=1: write-back
reg04: base=0x180000000 ( 6144MB), size= 1024MB, count=1: write-back
reg05: base=0x1c0000000 ( 7168MB), size=  128MB, count=1: write-back
reg06: base=0x1c8000000 ( 7296MB), size=   64MB, count=1: write-back
reg07: base=0x0af600000 ( 2806MB), size=    2MB, count=1: uncachable

/debug/x86/pat_memtype_list:
PAT memtype list:
uncached-minus @ 0xaf5b0000-0xaf5b7000
uncached-minus @ 0xaf5be000-0xaf5c1000
uncached-minus @ 0xaf5be000-0xaf5c1000
uncached-minus @ 0xaf5be000-0xaf5bf000
uncached-minus @ 0xb0200000-0xb0201000
write-combining @ 0xd0000000-0xe0000000
write-combining @ 0xd0001000-0xd0021000
write-combining @ 0xd0030000-0xd0530000
uncached-minus @ 0xe0000000-0xf0000000
uncached-minus @ 0xfe6ff000-0xfe700000
uncached-minus @ 0xfe7e0000-0xfe800000
uncached-minus @ 0xfea00000-0xfea80000
uncached-minus @ 0xfeb40000-0xfeb60000
uncached-minus @ 0xfeb78000-0xfeb7c000
uncached-minus @ 0xfeb7c000-0xfeb7d000
uncached-minus @ 0xfeb7d000-0xfeb7e000
uncached-minus @ 0xfeb7f000-0xfeb80000
uncached-minus @ 0xfeb7f000-0xfeb80000
uncached-minus @ 0xfeb80000-0xfec00000
uncached-minus @ 0xfeb80000-0xfec00000
uncached-minus @ 0xfed00000-0xfed01000
uncached-minus @ 0xfed1f000-0xfed20000
uncached-minus @ 0xffff0000-0xffff1000

regards,
-- 
js
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