From: Peter Zijlstra <peterz@infradead.org>
To: "Thomas Müller" <thomas@mathtm.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: disabling secondary CPU hangs / system fails to suspend with kernel 4.19+
Date: Mon, 18 Mar 2019 12:57:28 +0100 [thread overview]
Message-ID: <20190318115728.GP6058@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <2b1c85d3-d94b-1593-e30a-a32d97043579@mathtm.de>
On Fri, Mar 15, 2019 at 09:21:02PM +0100, Thomas Müller wrote:
> I've just re-tested with runlevel 3.
> Not a real VGA console, but at least no Wayland or Gnome to interfere...
>
> `echo 0 > /sys/...` just blocks and no message whatsoever is visible in dmesg.
>
> I've executed `echo 0 > ...` in the background to keep my console functional and I can e.g. echo
> something to /dev/kmsg and it shows up, so reading/updating the log buffer appears to be working
> just fine.
Damn.. Thanks for trying. I'll see if I can come up with something, but
I'm out of idea for now :/
next prev parent reply other threads:[~2019-03-18 11:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-14 15:17 Thomas Müller
2019-03-15 9:09 ` Peter Zijlstra
2019-03-15 11:41 ` Thomas Müller
2019-03-15 12:15 ` Peter Zijlstra
2019-03-15 20:21 ` Thomas Müller
2019-03-18 11:57 ` Peter Zijlstra [this message]
2019-03-29 9:22 ` Thomas Müller
2019-04-12 5:30 ` Thomas Müller
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