On 2020-09-18 10:23:01 +0200, Vincent Lefevre wrote:
> https://github.com/openzfs/zfs/issues/8552 suggests a drive firmware
> bug (which could explain the absence of errors with smartctl and
> badblocks), but in this case the kernel might have a way to avoid it.
>
> Also I'm wondering why this
There is the same issue with the 4.19.132-1 Linux kernel from stable.
I've done more tests, and from a VT shortly after the boot,
"memhog 15320M" was fine, but "memhog 15350M" gave errors in
the console after some time, same as in the dmesg output below.
[ 406.347520] ata1.00: exception Emask
Package: src:linux
Version: 5.8.7-1
Severity: important
When swap is used (even a little), the machine hangs. A manual
power-off is needed.
To reproduce on my machine, which has 16 GB RAM and 20 GB swap:
$ memhog 15G
(command from the numactl package), e.g. just after the boot.
The machine
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