Date: Sat, 12 Jan 2019 00:32:44 +0100
From: Steffen Nurpmeso <steffen@sdaoden.eu>
To: alpine-user@lists.alpinelinux.org
Subject: Re: [alpine-user] Kernel crashes on [edge] (1st VM kill inr 606
 days!)
Message-ID: <20190111233244.B2bX-%steffen@sdaoden.eu>
In-Reply-To: <20181231182229.t_LWK%steffen@sdaoden.eu>
References: <20181228140158.FsqDX%steffen@sdaoden.eu>
 <20181231182229.t_LWK%steffen@sdaoden.eu>
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Hello.

Steffen Nurpmeso wrote in <20181231182229.t_LWK%steffen@sdaoden.eu>:
 |Steffen Nurpmeso wrote in <20181228140158.FsqDX%steffen@sdaoden.eu>:
 ||I am seeing kernel crashes with [edge] and 4.19.12 on my server
  ...
 |Out of interest after seeing the 4.19.13 announcement on Saturday
 ...
 |what do you think?  I have reverted the machine in the meantime
 |(luckily i always have c. urrent and o. ld kernels and modules, so
 |that is easy), 4.14.89 works absolutely neatless.

I have updated to 4.19.14, and the issue still exists on my server
VM:

crit:
  Dec 29 00:15:01 kernel: [23338.689515] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
  Jan 12 00:15:00 kernel: [36690.017115] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
warn:
  Jan 12 00:15:00 kernel: [36690.023028] Oops: 0000 [#1] SMP PTI
  Jan 12 00:15:00 kernel: [36690.024368] CPU: 0 PID: 3708 Comm: iptables Not tainted 4.19.14-0-vanilla #1-Alpine
  Jan 12 00:15:00 kernel: [36690.025679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
  Jan 12 00:15:00 kernel: [36690.027056] RIP: 0010:nf_conncount_cache_free+0x26/0p
messages:
  Jan 12 00:15:00 crond[2046]: USER root pid 3677 cmd run-parts /etc/periodic/12hourly
  Jan 12 00:15:00 kernel: [36690.021645] PGD 0 P4D 0

That periodic script outputs sort(1)ed entries from xt_recent, and
shows the state of the firewall.
I have reverted to 4.14.89.  I have never done this, but i think
this should be reported to Linux kernel list, then?  pffffff...
Ciao and a nice weekend.

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)


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