It happened again this morning after running the cpu heavy miner for
about 14 hours. I don't recall it ever happening when I wasn't running
that program, and having it happen now reaffirms for me that is the
cause on my machine. Prior to the beowulf upgrade I had it running
pretty much all the time for a few months without issue.
On Tue, 2020-03-17 at 14:26 -0400, Hendrik Boom wrote:
> On Tue, Mar 17, 2020 at 09:39:21AM -0600, Gabe Stanton via Dng wrote:
> > One more thing, I'm actually on kernel version 4.19.0.8, but again,
> > this issue started when I upgraded to beowulf.
>
> I've been on beowulf for months now, doing the usual upgrades every
> few weeks, but only started experiencing
> freezes in the past week or two. I don't know what causes them.
>
> hendrik@midwinter:~$ uname -a
> Linux midwinter 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-
> 07) x86_64 GNU/Linux
> hendrik@midwinter:~$
>
> -- hendrik
>
> > On Tue, 2020-03-17 at 09:34 -0600, Gabe Stanton via Dng wrote:
> > > I've had problems with my machine freezing as well, same
> > > symptoms,
> > > ever
> > > since upgrading to beowulf. The issue for me seems to happen when
> > > I
> > > run
> > > a cpu/ram heavy program, specifically a cpu cryptominer. I've had
> > > it
> > > happen a number of times, always when mining with max 2 cores,
> > > but
> > > haven't dedicated the time to report it properly. I did look
> > > through
> > > various logs in /var/logs but I didn't see anything seemed
> > > relevant
> > > to
> > > the problem.
> > >
> > > I'll try to reproduce it today and send any relevant logs.
> > >
> > > What logs specifically would be relevant to this issue?
> > >
> > > Something relevant to the spectre/meltdown mitigations, I have
> > > multithreading turned off in the bios and have had since the
> > > vuln's
> > > were revealed.
> > >
> > > Also, 64 bit intel cpu here as well.
> > >
> > > On Tue, 2020-03-17 at 03:17 +0000, tuxd3v wrote:
> > > > Hello Riccardo,
> > > >
> > > > > On Sat, 7 Mar 2020 12:19:52 +0100
> > > > > Riccardo Mottola via Dng <dng@???> >wrote:
> > > > > Hi,
> > > > >
> > > > >
> > > > > I am using Devuan on an HP laptop with intel 64bit cpu.
> > > > > Everything
> > > > > worked very well, I did a lot of compilation and it is very
> > > > > stable,
> > > > > never had a freeze in months!
> > > > >
> > > > > [ 0.100000] smpboot: CPU0: Intel(R) Core(TM)2 CPU T7200 @
> > > > > 2.00GHz
> > > > > (family: 0x6, model: 0xf, stepping: 0x6)
> > > > > [ 0.100000] Performance Events: PEBS fmt0-, Core2 events,
> > > > > Intel
> > > > > PMU
> > > > > driver.
> > > > > [ 0.100000] core: PEBS disabled due to CPU errata
> > > > >
> > > > > Yesterday I installed a kernel upgrade, bad things happened
> > > > >
> > > > > 1) after the first reboot with the new kernel, I get up to my
> > > > > desktop,
> > > > > check out sources ad start building Arctic Fox browser, come
> > > > > back
> > > > > after
> > > > > a time and find the machine completely frozen - no disk
> > > > > activity,
> > > > > no
> > > > > mouse possible, no errors. No response to power button
> > > > > pressed
> > > > > (had
> > > > > to
> > > > > press 5 seconds)
> > > > >
> > > > > 2) at reboot, machine freezes quite early in the boot process
> > > > >
> > > > > 3) I retry and it still freezes
> > > > >
> > > > >
> > > > > I tried selecting in GRUB the older kernel and it boots. It
> > > > > goes
> > > > > past
> > > > > the last error, starts file system check/journal replay and
> > > > > the
> > > > > machine
> > > > > seems stable again.
> > > > >
> > > > >
> > > > > This is the last good kernel version:
> > > > >
> > > > > 4.9.0-11-amd64 #1 SMP Debian 4.9.189-3+deb9u2 (2019-11-11)
> > > > > x86_64
> > > > > GNU/Linux
> > > > >
> > > > >
> > > > > the unstable version must be the version 4.9.210-1 installed
> > > > >
> > > > >
> > > > > What could the issue be? I read about backports of spectre
> > > > > mitigations
> > > > > being possible issues.
> > > > >
> > > >
> > > > * 'linux-image-4.9.0-12' - I believe , brings Meltdown, Spectre
> > > > and
> > > > such mitigation's with it, also fix's..
> > > > * 'linux-image-4.9.0-11' - Here , sometimes( firefox + youtube
> > > > videos
> > > > ), I also have freezes, but the machine ends rebooting..
> > > > Don't know why, never found the real
> > > > reason for it..
> > > > If I don't go on youtube, everything
> > > > works, so focus your self on your taks,
> > > > and don't be lazy( its what my
> > > > computer
> > > > tells me ) :D
> > > >
> > > > For a better understanding of the changes, you can check:
> > > > ~# zless /usr/share/doc/linux-image-$(uname
> > > > -r)/changelog.Debian.gz
> > > >
> > > >
> > > > I am also in 'linux-image-4.9.0-11'..and I plan to be there for
> > > > some
> > > > time.. :)
> > > >
> > > > Best Regards,
> > > > tux
> > > >
> > > >
> > >
> > > _______________________________________________
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> >
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Re: [DNG] kernel instability 4.9.0-…
