2009-12-11 01:47:48

by Dave Young

[permalink] [raw]
Subject: Re: mmotm-2009-12-08-17-45 resume slowly

On Fri, Dec 11, 2009 at 6:11 AM, Nigel Cunningham
<[email protected]> wrote:
> Dave, could you be more specific?
>
> Is the delay Ksaki has picked out related to your report...

I can not reproduce the wireless delay today, maybe related to
wireless environment?

>
> KOSAKI Motohiro wrote:
>> (cc to netdev)
>>
>> Hi net-folks
>>
>>>> [  561.323866] mtrr: type mismatch for e0000000,10000000 old:
>>>> write-back new: write-combining
>>>> [ 2688.500033] No probe response from AP 00:02:2d:08:51:2b after
>>>> 500ms, disconnecting.
>>>> [ 2689.580376] wlan0: direct probe to AP 00:02:2d:08:51:2b (try 1)
>>
>> What's mean "No probe response"? Why its point waste 2000sec?
>
> [...]
>
>>>> [  225.731462] ACPI: Preparing to enter system sleep state S3
>>>> [  225.754167] Disabling non-boot CPUs ...
>>>> [  225.809478] CPU 1 is now offline
>>>> [  225.809481] lockdep: fixing up alternatives.
>>>> [  225.809487] SMP alternatives: switching to UP code
>>>> [  225.816500] Extended CMOS year: 2000
>>>> [  225.816500] Back to C!
>>>> [  225.816500] Extended CMOS year: 2000
>>>> [  225.816720] Enabling non-boot CPUs ...
>>>> [  225.818422] lockdep: fixing up alternatives.
>>>> [  225.818425] SMP alternatives: switching to SMP code
>>>> [  225.822188] Booting processor 1 APIC 0x1 ip 0x6000
>>>> [  225.818021] Initializing CPU#1
>>>> [  225.818021] CPU: Physical Processor ID: 0
>>>> [  225.818021] CPU: Processor Core ID: 1
>>>> [  225.913392] CPU1: Intel(R) Core(TM)2 Duo CPU     T7250  @ 2.00GHz stepping 0d
>>>> [  225.937046] microcode: CPU1 sig=0x6fd, pf=0x80, revision=0xa3
>>>> [  225.937053] platform microcode: firmware: requesting intel-ucode/06-0f-0d
>>>> [  225.937179] firmware microcode: parent microcode should not be sleeping
>>>> [  285.940840] CPU1 is up
>
> ... or the 60 second delay before the CPU1 is up message?

Yes, this delay occurs every time

>
> Regards,
>
> Nigel
>



--
Regards
dave


2009-12-11 08:59:05

by Dave Young

[permalink] [raw]
Subject: Re: mmotm-2009-12-08-17-45 resume slowly

On Fri, Dec 11, 2009 at 4:10 PM, Zhu Yi <[email protected]> wrote:
> On Fri, 2009-12-11 at 11:35 +0800, Dave Young wrote:
>> > Try powering off the AP before resume?
>>
>> Unfortunately, I use public wireless resouce, so I cann't do that.
>
> Then move the laptop away.

Tried, still can not produce.

>
> Thanks,
> -yi
>
>



--
Regards
dave

2009-12-11 08:10:57

by Zhu Yi

[permalink] [raw]
Subject: Re: mmotm-2009-12-08-17-45 resume slowly

On Fri, 2009-12-11 at 11:35 +0800, Dave Young wrote:
> > Try powering off the AP before resume?
>
> Unfortunately, I use public wireless resouce, so I cann't do that.

Then move the laptop away.

Thanks,
-yi


2009-12-11 03:35:03

by Dave Young

[permalink] [raw]
Subject: Re: mmotm-2009-12-08-17-45 resume slowly

On Fri, Dec 11, 2009 at 10:37 AM, Zhu Yi <[email protected]> wrote:
> On Fri, 2009-12-11 at 09:47 +0800, Dave Young wrote:
>> I can not reproduce the wireless delay today, maybe related to
>> wireless environment?
>
> Try powering off the AP before resume?

Unfortunately, I use public wireless resouce, so I cann't do that.

>
> Thanks,
> -yi
>
>



--
Regards
dave

2009-12-11 09:10:51

by Dave Young

[permalink] [raw]
Subject: Re: mmotm-2009-12-08-17-45 resume slowly

On Fri, Dec 11, 2009 at 9:47 AM, Dave Young <[email protected]> wrote:
> On Fri, Dec 11, 2009 at 6:11 AM, Nigel Cunningham
> <[email protected]> wrote:
>> Dave, could you be more specific?
>>
>> Is the delay Ksaki has picked out related to your report...
>
> I can not reproduce the wireless delay today, maybe related to
> wireless environment?
>
>>
>> KOSAKI Motohiro wrote:
>>> (cc to netdev)
>>>
>>> Hi net-folks
>>>
>>>>> [  561.323866] mtrr: type mismatch for e0000000,10000000 old:
>>>>> write-back new: write-combining
>>>>> [ 2688.500033] No probe response from AP 00:02:2d:08:51:2b after
>>>>> 500ms, disconnecting.
>>>>> [ 2689.580376] wlan0: direct probe to AP 00:02:2d:08:51:2b (try 1)
>>>
>>> What's mean "No probe response"? Why its point waste 2000sec?

Rereading the dmesg I post, I think maybe this delay is not relevant
because it is after "PM: Finishing wakeup."

The brightness is so low after resume finished that I thought it as
resume delay.


>>
>> [...]
>>
>>>>> [  225.731462] ACPI: Preparing to enter system sleep state S3
>>>>> [  225.754167] Disabling non-boot CPUs ...
>>>>> [  225.809478] CPU 1 is now offline
>>>>> [  225.809481] lockdep: fixing up alternatives.
>>>>> [  225.809487] SMP alternatives: switching to UP code
>>>>> [  225.816500] Extended CMOS year: 2000
>>>>> [  225.816500] Back to C!
>>>>> [  225.816500] Extended CMOS year: 2000
>>>>> [  225.816720] Enabling non-boot CPUs ...
>>>>> [  225.818422] lockdep: fixing up alternatives.
>>>>> [  225.818425] SMP alternatives: switching to SMP code
>>>>> [  225.822188] Booting processor 1 APIC 0x1 ip 0x6000
>>>>> [  225.818021] Initializing CPU#1
>>>>> [  225.818021] CPU: Physical Processor ID: 0
>>>>> [  225.818021] CPU: Processor Core ID: 1
>>>>> [  225.913392] CPU1: Intel(R) Core(TM)2 Duo CPU     T7250  @ 2.00GHz stepping 0d
>>>>> [  225.937046] microcode: CPU1 sig=0x6fd, pf=0x80, revision=0xa3
>>>>> [  225.937053] platform microcode: firmware: requesting intel-ucode/06-0f-0d
>>>>> [  225.937179] firmware microcode: parent microcode should not be sleeping
>>>>> [  285.940840] CPU1 is up
>>
>> ... or the 60 second delay before the CPU1 is up message?
>
> Yes, this delay occurs every time


Then what caused this one, any idea?

>
>>
>> Regards,
>>
>> Nigel
>>
>
>
>
> --
> Regards
> dave
>



--
Regards
dave

2009-12-11 02:37:24

by Zhu Yi

[permalink] [raw]
Subject: Re: mmotm-2009-12-08-17-45 resume slowly

On Fri, 2009-12-11 at 09:47 +0800, Dave Young wrote:
> I can not reproduce the wireless delay today, maybe related to
> wireless environment?

Try powering off the AP before resume?

Thanks,
-yi