We've had this issue before. Everything is there, but not where jenkins is 
looking for:

/var/lib/jenkins/.rvm/src/ruby-1.9.3-p194/bin/gem
/var/lib/jenkins/.rvm/src/ruby-1.9.3-p392/bin/gem
/var/lib/jenkins/.rvm/src/ruby-2.0.0-p0/bin/gem
/var/lib/jenkins/.rvm/src/rubygems-1.8.25/bin/gem

Levente

On Tue, 3 Mar 2015, Frank Shearar wrote:

> On 3 March 2015 at 14:43, Frank Shearar <frank.shearar at gmail.com> wrote:
>> On 3 March 2015 at 14:38, Levente Uzonyi <leves at elte.hu> wrote:
>>> On Tue, 3 Mar 2015, Frank Shearar wrote:
>>>
>>>> Yep, this is the problem that I was trying to resolve the other week
>>>> with Eliot. I don't think it's a Cog bug, I think it's a bug in our
>>>> security settings or something.
>>>>
>>>> I had a look, things looked OK, but this is well beyond my
>>>> rememberings of Linux security, hence why it's still broken.
>>>
>>>
>>> Changes of the files in limits.d are only applied to new sessions. The
>>> squeak.conf file was created after jenkins was started. So restarting
>>> jenkins should fix the problem.
>>
>> Oh, because Jenkins spins up the VMs, so the Cog processes inherit the
>> permissions that Jenkins had? I'll reboot Jenkins then!
>
> Rebooted, and now I see failures like "bundle gem not installed". So I
> added a new build step to install that gem, but it seems that the gem
> package isn't installed on that box? I don't have my credentials with
> me so I can't look into the problem. I may only be able to dig into
> the problem a few days from now.
>
> frank
>
>> frank
>>
>>> Levente
>>>
>>>
>>>>
>>>> frank
>>>>
>>>> On 2 March 2015 at 17:37, Levente Uzonyi <leves at elte.hu> wrote:
>>>>>
>>>>> I tried to run this on box3, and it just works as expected.
>>>>> But the SqueakTrunk job hasn't produced any artifacts since build #1059.
>>>>>
>>>>> Levente
>>>>>
>>>>>
>>>>> On Tue, 17 Feb 2015, Frank Shearar wrote:
>>>>>
>>>>>> On 16 February 2015 at 19:55, Eliot Miranda <eliot.miranda at gmail.com>
>>>>>> wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Feb 16, 2015 at 9:12 AM, Frank Shearar
>>>>>>> <frank.shearar at gmail.com>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Reverted, but I still get the same error.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> What's the last good version?
>>>>>>
>>>>>>
>>>>>>
>>>>>> I'm not convinced it's a Cog issue: the last known good was 3164 [1]
>>>>>> but the next build showed the "Operation not permitted" problem [2],
>>>>>> also with 3164.
>>>>>>
>>>>>> [1] http://build.squeak.org/job/SqueakTrunk/990/console
>>>>>> [2] http://build.squeak.org/job/SqueakTrunk/991/console
>>>>>>
>>>>>> frank
>>>>>>
>>>>>>>> frank
>>>>>>>>
>>>>>>>> On 15 February 2015 at 18:13, Eliot Miranda <eliot.miranda at gmail.com>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Hi Frank,
>>>>>>>>>
>>>>>>>>>      can you revert to 3253?  This one should be good.  I'm pretty
>>>>>>>>> sure
>>>>>>>>> the
>>>>>>>>> 3254 VMs are subject to the same inlning bug that I mentioned after
>>>>>>>>> the
>>>>>>>>> latest VMMaker.oscog commit and am working on fixing now.
>>>>>>>>>
>>>>>>>>> On Sat, Feb 14, 2015 at 5:47 AM, Frank Shearar
>>>>>>>>> <frank.shearar at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 12 February 2015 at 20:42, Eliot Miranda
>>>>>>>>>> <eliot.miranda at gmail.com>
>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> http://www.mirandabanda.org/files/Cog/VM/VM.r3254/
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> These fix two important bugs in the Spur VMs, so Newspeakers should
>>>>>>>>>>> update,
>>>>>>>>>>> and changes the default text encoding to UTF-8 on linux.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I updated CI with 3254, and now I see errors like this:
>>>>>>>>>>
>>>>>>>>>> spawning command 1 with timeout 1500 seconds:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> /var/lib/jenkins/workspace/SqueakTrunk/target/cog.r3254/coglinuxht/bin/squeak
>>>>>>>>>> -vm-sound-null -vm-display-null
>>>>>>>>>> "/var/lib/jenkins/workspace/SqueakTrunk/target/TrunkImage.image"
>>>>>>>>>> ../update-image.st
>>>>>>>>>> pthread_setschedparam failed: Operation not permitted
>>>>>>>>>> Read e.g.
>>>>>>>>>> http://www.mirandabanda.org/files/Cog/VM/VM.r3254/README.3254
>>>>>>>>>>
>>>>>>>>>> As it happens, we do have a /etc/security/limits.d/squeak.conf on
>>>>>>>>>> build.squeak.org that looks like this:
>>>>>>>>>>
>>>>>>>>>> *       hard    rtprio  2
>>>>>>>>>> *       soft    rtprio  2
>>>>>>>>>>
>>>>>>>>>> Thoughts?
>>>>>>>>>>
>>>>>>>>>> frank
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> best,
>>>>>>>>> Eliot
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> best,
>>>>>>> Eliot
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>