Swap problem with F9 PPC

Guillaume guitouu at free.fr
Tue May 20 20:04:25 UTC 2008


Thank you for your help.
Before your mail, I tried to re-install the ibook with an other 
partitioning...
I selected "Removes all partitions and creates default partitions" ...
With this option, I get a F9 system with no swap problem !
Now it works ! :)

About my previous swap problem, there are 2 options:
- I made a bad personnal partitioning... possible, but I don't know why 
and I did not get any anaconda warning/error...
- Anaconda and/or F9 have a bug on PPC when using personal partitioning...
(I installed 3 times F9 on this ibook with personal partitioning and 3 
times I get this swap problem...)

Guillaume

Rick Stevens a écrit :
> Guillaume wrote:
>> The result of fdisk and parted :
>>
>> [root at ibook ~]# fdisk -l
>>
>>       There is a valid Mac label on this disk.
>>       Unfortunately fdisk(1) cannot handle these disks.
>>       Use either pdisk or parted to modify the partition table.
>>       Nevertheless some advice:
>>       1. fdisk will destroy its contents on write.
>>       2. Be sure that this disk is NOT a still vital
>>          part of a volume group. (Otherwise you may
>>             erase the other disks as well, if unmirrored.)
>>
>> Disque /dev/hda: 60.0 Go, 60011642880 octets
>> 255 heads, 63 sectors/track, 7296 cylinders
>> Units = cylindres of 16065 * 512 = 8225280 bytes
>>
>> Périphérique Amorce    Début         Fin      Blocs    Id  Système
>>
>> [root at ibook ~]# pdisk
>> -bash: pdisk: command not found
>>
>> [root at ibook ~]# parted -l
>> Model: TOSHIBA MK6025GAS (ide)
>> Disque /dev/hda : 60,0GB
>> Taille des secteurs (logiques/physiques): 512B/512B
>> Table de partition : mac
>>
>> Numéro  Début   Fin     Taille  Système de fichiers  Nom       
>> Fanions 1      512B    32,8kB  32,3kB                       
>> Apple              <=== don t know what it is, may be apple needed
>> 2      32,8kB  1081kB  1049kB  hfs                  untitled  
>> démarrage  <=== The apple boot loader
>> 3      1081kB  15,7GB  15,7GB  ext3                 
>> untitled           <=== my /
>> 4      15,7GB  16,8GB  1074MB  linux-swap           swap      
>> swap     <=== my swap
>> 5      16,8GB  60,0GB  43,2GB  ext3                 
>> untitled           <=== my /home
>>
>> I seems that I have no extended partition ...
>> It can be apple specific...
>
> It very well may be.
>
> DISCLAIMER: I've never used a Mac with Linux before, so anything I say
> here should be looked at VERY carefully.
>
>> And swapon -s .... is empty :(((((
>> [root at ibook ~]# swapon -s
>> Filename        Type        Size    Used    Priority
>>
>> I install 3 times F9, I always use the manual partitionning, and I 
>> get I times this swap problem...
>
> Ok, try "swapon -a" (should start swap).  Watch carefully to see if it
> complains about any missing devices.  If it does NOT complain, try
> "swapon -s" and see if it's working.
>
> If "swapon -a" DOES complain, you may need to change your /etc/fstab
> to use the "/dev/sda4" nomenclature rather than "LABEL=swap-sda4".  It
> may be that swapon doesn't recognize the label on the filesystem.  You
> can also try "swapon -L swap-sda4" (to manually try to force the 
> label) or "swapon /dev/sda4" (to manually use /dev/sda4).
>
>>
>>
>> Rick Stevens a écrit :
>>> Guillaume wrote:
>>>> Hi,
>>>>
>>>> I installed an ibook G4 (256 Mo SDRAM) with Fedora 9 PPC.
>>>> I have a problem with the SWAP.
>>>>
>>>> - the gnome system appet show me that I don t use the SWAP...
>>>>
>>>> - when I use top command I get:
>>>> Swap:        0k total,        0k used,        0k free,    82388k 
>>>> cached
>>>>
>>>> - the SWAP partition size is 1024 Mo !
>>>> I set it at install time and I verify with now with gparted
>>>>
>>>> - The SWAP partition is in the /etc/fstab:
>>>> LABEL=SWAP-hda4         swap                    swap    
>>>> defaults        0 0
>>>
>>> Uh, oh.  Methinks I see an issue here.  First, I didn't know you could
>>> use labels for swap partitions (since they don't have a real filesystem
>>> on them).  I've always used the /dev name of the device (in my case
>>> using LVM, it's /dev/VolGroup00/LogVol01).
>>>
>>> On top of that, partition 4 is the extended partition which contains
>>> /dev/hda5, /dev/hda6 and so on.  Using that as swap (if you could force
>>> it) might cause LOTS of grief.  A dump of "fdisk -l" would be nice.
>>> If you have a /dev/hda5 in there, then using hda4 as swap can be fatal.
>>>
>>>> - When I run a task that use some CPU/Memory, It crashs the kernel
>>>> When I does not crash, I get some really bad errors like "can not 
>>>> fork: counld not alocate memory"
>>>> Due to this problem, I can not run yum update on X session, It uses 
>>>> to memory
>>>> I run init 3 and then I run yum update ...
>>>> But It is not a normal behaviour
>>>>
>>>> Someone have any idea of what happened ?
>>>
>>> What does "swapon -s" show?  Here's mine (granted, X86_64):
>>>
>>> [root at prophead ~]# swapon -s
>>> Filename                         Type         Size    Used  Priority
>>> /dev/mapper/VolGroup00-LogVol01  partition    2031608 1500  -1
>>>
>>> ----------------------------------------------------------------------
>>> - Rick Stevens, Systems Engineer                       rps2 at nerd.com -
>>> - Hosting Consulting, Inc.                                           -
>>> -                                                                    -
>>> -             To iterate is human, to recurse, divine.               -
>>> ----------------------------------------------------------------------
>>>
>>
>
>




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