Ubuntu
linux package

  1. Bug #1690085
  2. Comment #639

Comment 639 for bug 1690085

Revision history for this message
In , eric.c.morgan (eric.c.morgan-linux-kernel-bugs) wrote :

(In reply to alfie from comment #551)
> kernel 4.19.27 with rcu_nocbs=0-11 idle=halt nopti, yesterday at around
> 11:30 p.m. I had an "usual" total lookup of the system during light usage (I
> just had an ssh session opened). With idle=halt, I get no "ACPM WAIT C-state
> bug" line in dmesg.
>
> The problem with this freeze problem is that is difficult to replicate. The
> segfault bug was very easy: 3-4 mesa compilations triggered it for sure.
> This bug, instead, can hide for days and days and it reappears all of a
> sudden.

The segfault compilation issue is well known. I had the same with my first 1700. AMD will RMA. My replacement chip has been fine.

As for the other idle lockup issues, a combination of custom rcu kernel and python script to disable C6 has had my machine up for months.