[systemd-devel] [PATCH] udev: Adding zram to inappropriate block device
"Jóhann B. Guðmundsson"
johannbg at gmail.com
Sun Feb 2 06:18:46 PST 2014
On 02/02/2014 01:39 PM, Alexander E. Patrakov wrote:
> The patch is obviously harmless. However, I am not convinced that it
> is needed, because in my setup (without this patch) there are no links
> in /dev/disk pointing to any zram device. You can change my opinion by
> providing configuration files that do result in such links being
> created by systemd.
udev seems to have a race condition with swapon to see which can open
/dev/zram0 first, causing swapon to fail.
( seems to be most noticeable on arm devices one out of every 7 times or
something ) and this patches udev's persistent storage rules to avoid
probing any zram devices.
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