From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Christopher Pereira <kripper@imatronix.cl>
Cc: kvm@vger.kernel.org
Subject: Re: "BUG: soft lockup" and frozen guest
Date: Mon, 29 Apr 2019 13:56:44 +0200 [thread overview]
Message-ID: <87muk958jn.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <1798334f-3083-bb4d-410c-849dc306e6b2@imatronix.cl>
Christopher Pereira <kripper@imatronix.cl> writes:
> Hi,
>
> I have been experiencing some random guest crashes in the last years and
> would like to invest some time in trying to debug them with your help.
>
> Symptom is:
>
> 1) "BUG: soft lockup" & "CPU#* stuck for *s!" messages during high load
> on the guest
> 2) At some point later (eg. 12 hours later), the guest just hangs
> without any message and must be destroyed / rebooted.
>
> I attached the relevant kernel messages.
>
> Host (spec: Intel(R) Xeon(R) CPU E5645) is running:
>
> kernel-3.10.0-327.el7.x86_64
> libvirt-daemon-kvm-1.2.17-13.el7_2.5.x86_64
> qemu-kvm-ev-2.3.0-31.el7_2.10.1.x86_64
> qemu-kvm-common-ev-2.3.0-31.el7_2.10.1.x86_64
This is pretty old stuff, e.g. kernel-3.10.0-327.el7 was release with
RHEL-7.2 (Nov 2015). As this is upstream mailing list, it would be great
if you could build an upstream kernel (should work with EL7 userspace)
and try to reproduce.
--
Vitaly
next prev parent reply other threads:[~2019-04-29 11:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-29 6:35 "BUG: soft lockup" and frozen guest Christopher Pereira
2019-04-29 11:56 ` Vitaly Kuznetsov [this message]
2019-04-29 23:14 ` Christopher Pereira
2019-04-30 10:49 ` Vitaly Kuznetsov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87muk958jn.fsf@vitty.brq.redhat.com \
--to=vkuznets@redhat.com \
--cc=kripper@imatronix.cl \
--cc=kvm@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).