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SubjectRe: [BISECTED, REGRESSION] Successful resume from suspend but freezes after I/O
On 01/13/2010 10:04 AM, Volker Lanz wrote:
> On Wednesday 13 January 2010 08:35:39 Yinghai Lu wrote:
>> On Mon, Dec 21, 2009 at 12:54 AM, Volker Lanz <vl@fidra.de> wrote:
>>> Any news on this problem? Anything else I can do to help debug the
>>> situation? The prospect of being confined to distros with kernels <
>>> 2.6.29 for the next couple of years on this machine worries me,
>>> obviously.
>>
>> as 6d794 said that is used fix exposed bug.
>
> I beg your pardon?
>
>> please checkout out
>>
>> c61cf4cfe7c73c7aa62dde3ff82cd475b9c41481
>>
>> and boot with debug.
>
> This is the boot log:
>
> -----------------------------------------------------------------------------
>
> [ 0.000000] Initializing cgroup subsys cpuset
> [ 0.000000] Initializing cgroup subsys cpu
> [ 0.000000] Linux version 2.6.29-rc7 (vl@trevor) (gcc version 4.4.1 (Ubuntu
> 4.4.1-4ubuntu8) ) #2 SMP Wed Jan 13 18:04:42 CET 2010
> [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-2.6.29-rc7
> root=UUID=160351ee-c9b0-4a72-9fd5-9962c8137a7e ro debug nosplash
> [ 0.000000] KERNEL supported cpus:
> [ 0.000000] Intel GenuineIntel
> [ 0.000000] AMD AuthenticAMD
> [ 0.000000] Centaur CentaurHauls
> [ 0.000000] BIOS-provided physical RAM map:
> [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
> [ 0.000000] BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
> [ 0.000000] BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
> [ 0.000000] BIOS-e820: 0000000000100000 - 00000000cfee0000 (usable)
> [ 0.000000] BIOS-e820: 00000000cfee0000 - 00000000cfee2000 (ACPI NVS)
> [ 0.000000] BIOS-e820: 00000000cfee2000 - 00000000cfef0000 (ACPI data)
> [ 0.000000] BIOS-e820: 00000000cfef0000 - 00000000cff00000 (reserved)
> [ 0.000000] BIOS-e820: 00000000e0000000 - 00000000e4000000 (reserved)
> [ 0.000000] BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
> [ 0.000000] BIOS-e820: 0000000100000000 - 00000001b0000000 (usable)
> [ 0.000000] DMI 2.4 present.
> [ 0.000000] last_pfn = 0x1b0000 max_arch_pfn = 0x100000000
> [ 0.000000] e820 update range: 00000000cff00000 - 0000000100000000 (usable)
> ==> (reserved)
> [ 0.000000] last_pfn = 0xcfee0 max_arch_pfn = 0x100000000
> [ 0.000000] e820 update range: 0000000000001000 - 0000000000006000 (usable)
> ==> (reserved)
> [ 0.000000] Scanning 1 areas for low memory corruption
> [ 0.000000] modified physical RAM map:
> [ 0.000000] modified: 0000000000000000 - 0000000000001000 (usable)
> [ 0.000000] modified: 0000000000001000 - 0000000000006000 (reserved)
> [ 0.000000] modified: 0000000000006000 - 000000000009f800 (usable)
> [ 0.000000] modified: 000000000009f800 - 00000000000a0000 (reserved)
> [ 0.000000] modified: 00000000000f0000 - 0000000000100000 (reserved)
> [ 0.000000] modified: 0000000000100000 - 00000000cfee0000 (usable)
> [ 0.000000] modified: 00000000cfee0000 - 00000000cfee2000 (ACPI NVS)
> [ 0.000000] modified: 00000000cfee2000 - 00000000cfef0000 (ACPI data)
> [ 0.000000] modified: 00000000cfef0000 - 00000000cff00000 (reserved)
> [ 0.000000] modified: 00000000e0000000 - 00000000e4000000 (reserved)
> [ 0.000000] modified: 00000000fec00000 - 0000000100000000 (reserved)
> [ 0.000000] modified: 0000000100000000 - 00000001b0000000 (usable)

so e820_update_range does right job...

please you try to disable

X86_CHECK_BIOS_CORRUPTION

and

CONFIG_X86_RESERVE_LOW_64K

YH


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