Re: [Wg-test-framework] oseleta reboot hang problem not fixed :-/ [and 1 more messages]

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

> oseleta (Dell machines hanging in BIOS during some reboots)
> -----------------------------------------------------------
>  [ Email from Ian noted that problem is not easy to repro. ]
>  ACTION: Ian to try to find better repro.

I have succeeded.  The operating system setup currently installed on
each of oseleta[01] can repro the problem.  I can confirm, having
produced one ad-hoc repro of the problem on each machine, that when
the problem occurs the machine seems entirely hung.

Steps to repro (starting with machine powered off):

 - Power the machine on
      - wait for it to boot into the operating system
 - Repeat these steps:
      - ssh to it to instruct it to reboot, that is:
             ssh root@oseleta0 reboot
      - wait for the machine to boot into the operating system

FYI my ad-hoc repro took 7 boots of oseleta0 and 35 boots of oseleta1.
NB that the sample size is too small to conclude that this difference
represents any real difference between the two machines.  Based on
these numbers my very rough best guess of failure probability is
around 5% (if both machines are the same).

So it is not really practical to reproduce this problem by hand,
because it can easily take dozens of trials.


I hereby turn these machines over to you for whatever ad-hoc testing
etc. you or Dell need to do.

>  ACTION: Paul to chase Dell.

Please keep us up to date with progress.

Thanks,
Ian.

_______________________________________________
Wg-test-framework mailing list
Wg-test-framework@xxxxxxxxxxxxxxxxxxxx
http://lists.xenproject.org/cgi-bin/mailman/listinfo/wg-test-framework