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

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> 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

It seems the script failed to properly read the last two variables.


> This service is not permanent it's created by the generator, and is
> the only service unit I see.
> Jun 03 00:47:53 flap.local systemd[1]: swap-create(a)zram0.service: Succeeded.
> 
I got the same result from the journalctl:
systemd[1]: swap-create@zram0.service: Succeeded.


 
> 
> Conflicting implementations. I recommend removing both anaconda and
> zram packages. Keep zram-generator package.

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

> 
> It's no longer needed. This is a hibernation hint. If you have no need
> for hibernation, you can remove it. If you have disabled/removed the
> disk based swap partition/LV then you can also remove this resume
> hint, because you can't hibernate anyway.
> 
Done. Hibernation was never used as the system has secure-boot enabled by default

--
Luya Tshimbalanga
Fedora Design Suite maintainer
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