Re: Fedora 33 System-Wide Change proposal: swap on zram

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On Sun, Jun 7, 2020 at 11:25 PM Luya Tshimbalanga
<luya@xxxxxxxxxxxxxxxxx> wrote:
>
> > On Sun, Jun 7, 2020 at 1:26 PM Luya Tshimbalanga <luya(a)fedoraproject.org&gt; wrote:
> >
> > zram-generator has no service unit file at all. The zram.service unit
> > file is part of Anaconda.
> >
> Good to know. I proceed to remove on my desktop which has 32 GB RAM.
>
>
> >
> > I'm not sure whose service this is but I don't have it.
> >
> After removing both anaconda and zram package, the result is
>
> systemctl status zram-setup@zram0.service
> ● zram-setup@zram0.service - Setup zram based device zram0
>      Loaded: loaded (/usr/lib/systemd/system/zram-setup@.service; static; vendor preset: disabled)
>      Active: active (exited) since Sun 2020-06-07 22:08:36 PDT; 4min 57s ago
>     Process: 856 ExecStart=/bin/sh -c echo $ZRAM_NUM_STR > /sys/class/block/zram0/max_comp_streams (code=exited, s>
>     Process: 879 ExecStart=/bin/sh -c echo $ZRAM_DEV_SIZE > /sys/class/block/zram0/disksize (code=exited, status=1>
>     Process: 882 ExecStart=/bin/sh -c [ "$SWAP" = "y" ] && mkswap /dev/zram0 && swapon /dev/zram0 (code=exited, st>
>    Main PID: 882 (code=exited, status=1/FAILURE)
>         CPU: 4ms

This suggests the mkswap failed which might happen if this device is
already active, and somehow this service is from something else. Maybe
do:

dnf provides /usr/lib/systemd/system/zram-setup@.service

If that doesn't reveal anything, maybe this will reveal something:

journalctl -b | grep 'swap\|zram'


> Done but these minor conflicts still remained. Maybe filing a bug related to that issue?

Might give a shot on here first. Someone else may run into it, and
look in thread for a fix.



-- 
Chris Murphy
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