(In reply to Moritz Naumann from comment #592)
> The latest firmware for X370 Taichi, v5.50 (2019/4/24), removes the "Power
> Supply Idle Control" option off the configuration UI; downgrading is not
> supported (but effectively possible at least from Windows). It is still
> possible to set "Power S
I can confirm that "idle=halt" makes both my Ryzen desktop and Ryzen
notebook more stable than anything else I've tried. I have not
experienced freezes for some days now.
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htt
Created attachment 280917
dmesg with boot parameter idle=halt
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https://bugs.launchpad.net/bugs/1690085
Title:
Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks
Created attachment 280921
dmesg w/o boot parameter idle=halt, patched acpi-dump-cstates
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https://bugs.launchpad.net/bugs/1690085
Title:
Ryzen 1800X freeze - rcu_sched detec
Created attachment 280915
dmesg w/o boot parameter idle=halt
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https://bugs.launchpad.net/bugs/1690085
Title:
Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks
S
(In reply to Borislav Petkov from comment #519)
> (In reply to Philip Rosvall from comment #518)
> > I can confirm that "idle=halt" makes both my Ryzen desktop and Ryzen
> > notebook more stable than anything else I've tried. I have not experienced
> > freezes for some days now.
>
> Can you upload
(In reply to Borislav Petkov from comment #523)
> (In reply to Philip Rosvall from comment #522)
> > I have only used the workaround since kernel 4.20.4, so I just booted the
> > kernel now without and with the parameter. As can be seen in line 704 in
> the
> > log without "idle=halt", we see the e
Try idle=halt! It is the workaround that fixes the random freezes! You
don't need anything else (at least not with Ryzen 1*** and 2***U
processors, as it works wonders on my desktop with a 1600 and my
notebook with a 2700U).
IDLE=HALT IS THE WORKAROUND THAT FIXES THIS BULLSHIT!
I REPEAT:
IDLE=HALT
(In reply to ison from comment #544)
> (In reply to Philip Rosvall from comment #541)
> > Try idle=halt! It is the workaround that fixes the random freezes! You
> don't
> > need anything else (at least not with Ryzen 1*** and 2***U processors, as
> it
> > works wonders on my desktop with a 1600 and
(In reply to alfie from comment #542)
> Here (Asus CrossHair VI, 1600, gentoo with any kernel around), no suggested
> workaround works. The system freezes when in very light use and I was never
> able to obtain a single line of debug via serial (I put a small linux mini
> itx box near this computer
(In reply to CodingEagle02 from comment #545)
> Hey out of curiosity, since I can't seem to find a clear answer, what
> exactly does idle=halt do?
idle=halt disables ACPI MWAIT completely, and issues HALT instead of different
C-states for idle.
Without idle=halt, both my machines are issuing erro
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