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List:       swsusp-devel
Subject:    Re: [Swsusp-devel] Unable to suspend
From:       Brad Campbell <brad () wasp ! net ! au>
Date:       2003-12-29 7:56:36
[Download RAW message or body]

Brad Campbell wrote:
> Michael Frank wrote:
> 
>> I also had this during "normal" use, but it did 300 cycles at loadavg 
>> of 37 and 20MB IO/s wo problems.
>>
>> This is specific to 3A and after.
>>
>> Regards
>> Michael
> 
> 
> I never had it occur under 3A, but by putting a bit of load on the 
> system I can reproduce it in under 20 cycles with 3B
> My loadavg never exceeds 3 and it's happening "randomly"
> For example, I have over half of my ram free now and my loadavg is 
> bugger all and it is still occuring.
> If I run a compile or something similar that moves memory around a bit 
> it will unlock and allow me to suspend.
> 

Further info with extra debugging enabled

echo 6 > /proc/swsusp/default_console_level
echo 31 > /proc/swsusp/debug_sections

bklaptop:~>uptime
  11:55:36 up  6:07,  8 users,  load average: 0.43, 1.10, 0.78

bklaptop:~>cat /proc/meminfo
         total:    used:    free:  shared: buffers:  cached:
Mem:  528084992 129388544 398696448        0  3358720 94720000
Swap: 1028149248 143511552 884637696
MemTotal:       515708 kB
MemFree:        389352 kB
MemShared:           0 kB
Buffers:          3280 kB
Cached:          64976 kB
SwapCached:      27524 kB
Active:          64104 kB
Inactive:        46240 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       515708 kB
LowFree:        389352 kB
SwapTotal:     1004052 kB
SwapFree:       863904 kB


Dec 29 11:53:32 bklaptop kernel: Swsusp 2.0-rc3B: Initiating a 
software_suspend cycle.
Dec 29 11:53:32 bklaptop kernel: LRU check at start of cycle...
Dec 29 11:53:32 bklaptop kernel: Done.
Dec 29 11:53:36 bklaptop kernel:
Dec 29 11:53:36 bklaptop kernel: ** Attempting to allocate memory for 
page flags.
Dec 29 11:53:36 bklaptop kernel: Preparing image.
Dec 29 11:53:36 bklaptop kernel:
Dec 29 11:53:36 bklaptop kernel: ** Freezing processes: Attempt 1
Dec 29 11:53:36 bklaptop kernel:
Dec 29 11:53:36 bklaptop kernel: ** Freezing processes: Waiting for 
activity to finish.
Dec 29 11:53:36 bklaptop kernel: 64|-184397|0
Dec 29 11:53:36 bklaptop kernel:
Dec 29 11:53:36 bklaptop kernel: (Freezer exit:) Swap needed calculated 
as 6311+25097+95+1=31505.
Dec 29 11:53:36 bklaptop kernel: -- Iteration 1.
Dec 29 11:53:36 bklaptop kernel: Unable to allocate page(s) for swap 
header info structures.
Dec 29 11:53:36 bklaptop kernel: Still need to get more swap pages for 
header.
Dec 29 11:53:36 bklaptop kernel: Free:197+99442+157=99796. 
Sets:6311,25097(25097). Header:95. Nosave:99451-0-99442=9. 
Storage:-1/31505(215902). Needed:-98564|-184397|0
Dec 29 11:53:36 bklaptop kernel:
Dec 29 11:53:36 bklaptop kernel: (Freezer exit:) Swap needed calculated 
as 6311+25097+95+1=31505.
Dec 29 11:53:36 bklaptop kernel: -- Iteration 1.
Dec 29 11:53:36 bklaptop kernel: Unable to allocate page(s) for swap 
header info structures.
Dec 29 11:53:36 bklaptop kernel: Still need to get more swap pages for 
header.
Dec 29 11:53:36 bklaptop kernel: Free:197+99442+157=99796. 
Sets:6311,25097(25097). Header:95. Nosave:99451-0-99442=9. 
Storage:-1/31505(215902). Needed:-98564|-184397|0
Dec 29 11:53:36 bklaptop kernel:


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