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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