Do you have any more advice on this?
On Fri, Nov 8, 2024 at 7:26 PM Torstein Sørnes <t.soernes@xxxxxxxxx> wrote:
I get an error that the device is not found even though it seems to exist with ls.
$ /usr/lib/systemd/system-generators/zram-generator --setup-device /dev/zram0 (base) 19:25:17
Error: Device /dev/zram0 not found
$ ls -Ah -l /dev/zram0 (base) 19:25:19
brw-rw----. 1 root disk 252, 0 2024-11-08 19:22 /dev/zram0
$ cat /etc/systemd/zram-generator.conf (base) 19:25:26
[zram0]
zram-size = 32GOn Thu, Nov 7, 2024 at 7:35 PM Michal Koutný <mkoutny@xxxxxxxx> wrote:Hello Torstein.
On Tue, Nov 05, 2024 at 03:51:31PM GMT, Torstein Sørnes <t.soernes@xxxxxxxxx> wrote:
> I have a Fedora 41 laptop with 32GB of ram.
>
> On startup, this shows in the journal:
> ```
> nov. 05 13:58:32 D2S3Q34 zram-generator[1059]: Error: Failed to configure
> disk size into /sys/block/zram0/disksize
> nov. 05 13:58:32 D2S3Q34 zram-generator[1059]: Caused by:
> nov. 05 13:58:32 D2S3Q34 zram-generator[1059]: Cannot allocate memory
> (os error 12)
> nov. 05 13:58:32 D2S3Q34 kernel: zram-generator: vmalloc error: size
> 131072000000000, exceeds total pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO),
^^^^^^^^^^^^^^^
This value looks suspicious.
> After starting up, I can execute this series of commands, and successfully
> create a 32GB swap:
> ```
> sudo swapoff /dev/zram0
> sudo zramctl --reset /dev/zram0
> sudo zramctl --find --size 32G
Notice zramctl operation may differ from zram-generator,
perhaps try with:
/usr/lib/systemd/system-generators/zram-generator --setup-device /dev/zram0
and what is in your zram-generator.conf?
Thanks,
Michal
