Great work debugging this! It looks like you ran into:
https://github.com/joyent/illumos-joyent/issues/58
This issue has been around a while, and our apologies for not having gotten
to it sooner -- I'll take a look at it today!
- Bryan
On Tue, Mar 22, 2016 at 1:49 AM, InterNetX - Juergen Gotteswinter <
[email protected]> wrote:
> We just found what caused this, somehow the prelink rpm made it into the
> zone incl. a daily cron which starts/ends exactly in this timeframe also
> we where able to reproduce this while running prelink manually.
>
> problem fixed, world rescued :)
>
> Thanks,
>
> Juergen
>
> Am 22.03.2016 um 09:29 schrieb InterNetX - Juergen Gotteswinter:
> > Hi Cody,
> >
> > we updated to this one yesterday
> >
> >
> > root@84-2b-2b-42-8a-05 /zones/d608701d-cba2-6714-b74a-b2691a145578/cores
> > $ uname -a
> > SunOS 84-2b-2b-42-8a-05 5.11 joyent_20160312T182925Z i86pc i386 i86pc
> > root@84-2b-2b-42-8a-05
> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores $
> >
> > before we where using one from 02/2016, the zone is using this dataset:
> >
> > -- snip --
> >
> > root@84-2b-2b-42-8a-05 /zones/d608701d-cba2-6714-b74a-b2691a145578/cores
> > $ imgadm show 1abb405a-d6a4-11e5-9bb8-bbe3fd09fb3c
> > {
> > "v": 2,
> > "uuid": "1abb405a-d6a4-11e5-9bb8-bbe3fd09fb3c",
> > "owner": "00000000-0000-0000-0000-000000000000",
> > "name": "centos-6",
> > "version": "20160219",
> > "state": "active",
> > "disabled": false,
> > "public": true,
> > "published_at": "2016-02-19T01:00:01Z",
> > "type": "lx-dataset",
> > "os": "linux",
> > "files": [
> > {
> > "sha1": "e79cf195b0b49004f4ab4e89582b790c9749a8e9",
> > "size": 139304229,
> > "compression": "gzip"
> > }
> > ],
> > "description": "Container-native CentOS 6.7 64-bit image. Built to run
> > on containers with bare metal speed, while offering all the services of
> > a typical unix host.",
> > "homepage": "https://docs.joyent.com/images/container-native-linux";,
> > "requirements": {
> > "networks": [
> > {
> > "name": "net0",
> > "description": "public"
> > }
> > ],
> > "min_platform": {
> > "7.0": "20150806T063331Z"
> > },
> > "brand": "lx"
> > },
> > "tags": {
> > "role": "os",
> > "kernel_version": "2.6.32"
> > }
> > }
> >
> > -- snip --
> >
> > so far we where not able to see any problems like coredumps during login
> > (nor ssh or zlogin). the coredumps seem to be only generated during
> > night, so more or less not random. last night 1000+ where generated
> > during 03:21 - 03:22 am.
> >
> > Thanks,
> >
> > Juergen
> >
> >
> >
> >
> > Am 21.03.2016 um 19:33 schrieb Cody Mello:
> >> Hi Juergen,
> >>
> >> Which platform are you on? (Output of uname -a) Also, which lx image
> >> are you using? If you try logging into it, does nothing work because
> >> it dumps every time, or does it seem to be random?
> >>
> >> - Cody
> >>
> >>
> >> On Mon, Mar 21, 2016 at 2:45 AM, InterNetX - Juergen Gotteswinter
> >> <[email protected]> wrote:
> >>> Hi,
> >>>
> >>> maybe someone can point me (push me) into the right direction to debug
> a
> >>> lx problem...
> >>>
> >>> root@84-2b-2b-42-8a-05
> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores
> >>> $ ls -lah |wc -l
> >>> 5218
> >>> root@84-2b-2b-42-8a-05
> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores $
> >>>
> >>> those where generated within a few days, each filename is the same:
> >>> core.ld-2.12.so.xxx and every dump contains a random "casual" system
> >>> binary which caused the dump
> >>>
> >>> for example
> >>>
> >>> root@84-2b-2b-42-8a-05
> >>> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores $ pstack
> >>> core.ld-2.12.so.9995
> >>> core 'core.ld-2.12.so.9995' of 9995: /lib64/ld-linux-x86-64.so.2
> >>> /bin/stty
> >>> 00007fffff203c99 ???????? ()
> >>> 00007fffff2160ae ???????? ()
> >>> 4156415741e58948 ???????? ()
> >>> root@84-2b-2b-42-8a-05
> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores $
> >>>
> >>> root@84-2b-2b-42-8a-05
> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores
> >>> $ pstack core.ld-2.12.so.9891
> >>> core 'core.ld-2.12.so.9891' of 9891: /lib64/ld-linux-x86-64.so.2
> /bin/cp
> >>> 00007fffff203c99 ???????? ()
> >>> 00007fffff2160ae ???????? ()
> >>> 4156415741e58948 ???????? ()
> >>> root@84-2b-2b-42-8a-05
> /zones/d608701d-cba2-6714-b74a-b2691a145578/cores $
> >>>
> >>> the binary which causes the dump is (at least it looks like) random
> >>>
> >>> so far, i was not able to see any problem inside the zone...
> >>>
> >>> confused greetings
> >>>
> >>> Juergen
> >>>
> >>
> >>
> >
> >
>
>
-------------------------------------------
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