zRAM broken on Raring?
nio.wiklund at gmail.com
Sun Sep 29 06:29:15 UTC 2013
On 2013-09-29 02:23, John Hupp wrote:
> On 9/28/2013 12:23 PM, sudodus wrote:
>> Hi John,
>> Yes, let us hope the bug will be fixed soon, and it will be
>> back-ported :-)
>> Can you run your application without zRAM? You can switch it off in a
>> simple way (and have it ready for reactivation) like this with crontab.
>> Edit the crontab with
>> sudo crontab -e
>> $ sudo crontab -l |tail -n3
>> # m h dom mon dow command
>> @reboot /sbin/swapoff /dev/zram*
>> @reboot /sbin/rmmod zram
>> Best regards
> I set up a root crontab as you suggested, Nio, and syslog confirms that
> the two crontab commands are run after the zram setup commands.
> But sudo parted -l still reports:
> Error: /dev/zram1: unrecognised disk label
> Does anyone know if the zram1 device would be using memory (the setup
> command designated 512MB for zram on this 1GB setup) or otherwise doing
> any harm?
The zRAM is not removed, only de-activated. Only if zRAM is used already
'@reboot', when cron runs the command, and there is no place to put the
content, then swapoff would fail (I think).
1. Did you check with
This command should return no zram block device.
2. Check the memory with
and install and run
to check if something related to zram is running or using memory.
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