[Arm-dev] unable to configure zram-swap on RPI 4 8G model (32bit)

Mon Dec 14 16:20:05 UTC 2020
Pablo Sebastián Greco <pablo at fliagreco.com.ar>

On 14/12/20 11:42, mark wrote:
> Being aware using zram-swap is not a default feature  on the CentOS Userland for armv7hl,
> Still want to share the problem I ran in to.
>
> I turns out the arm 32bit kernel with large memory support OOPS if zram-swap is deployed if the system has more than 4GB ram.
I'm a heavy user of zram-swap, even not being default, but I have only 
used with devices that have 2G max, this is interesting. Does it still 
happen if you limit the size?
> This issue seems to be addressed (verry recently) in kernel 5.4.81 (1)
>
> As mentioned this is verry recently, version 5.4.81 is just 12 day's old..
> However if there is a testbuild of this rpi2-kernel4: I'm eager to test it 😉
There's no test build yet, I'm still adjusting to what happened last 
week, but hopefully we'll have a new kernel soon
>
> 1) https://github.com/raspberrypi/linux/commit/1bef5f25a69234613b92a0e2456870fee4a57efc
>
>   
Pablo.