Re: Reboot on *DOM0* while/after installing GPLPV drivers

["Mike C." <miguelmclara%gmail.com@localhost>]

Sorry for pointing this out, but wouldn't it be best to start a new
thread about this?

Its just because what's being discussed now has nothing to do with the
thread subject I started and to be honest I'm lost on the status of that
now...

So could you please open a new thread?

Has the subject It seems that someone send some serial console output a
few days ago? Was that helpful?


On 10/15/13 20:07, John Hayward wrote:
> also -- typing control-t after ls
> root@johnhxen:xen{522}: ls /kern/xen 
> load: 0.00  cmd: ls 194 [tstile] 0.00u 0.00s 0% 960k 
> load: 0.00  cmd: ls 194 [tstile] 0.00u 0.00s 0% 960k
> load: 0.00  cmd: ls 194 [tstile] 0.00u 0.00s 0% 960k
> load: 0.00  cmd: ls 194 [tstile] 0.00u 0.00s 0% 960k
> johnh...
> ________________________________________
> From: John Hayward
> Sent: Tuesday, October 15, 2013 2:05 PM
> To: Manuel Bouyer
> Cc: Adiel; Takahiro HAYASHI; port-xen%NetBSD.org@localhost; Mike C.
> Subject: RE: Reboot on *DOM0* while/after installing GPLPV drivers
> 
> Now back to the wedge state with xen-debug.gz for kernel
> output of ps axl
> ====
>  UID PID PPID  CPU PRI NI    VSZ    RSS WCHAN    STAT TTY      TIME COMMAND
>    0   0    0    0 125  0      0 133144 schedule DKl  ?     0:01.11 [system]
>    0   1    0    0  85  0   6520   1068 wait     Is   ?     0:00.01 init
>    0  96    1  244  85  0  71608   5300 wait     I    ?     0:00.01 
> /usr/pkg/bin/python2.7 /usr/pkg/sbin/xend start
>    0  97   96  170 117  0  75704  14584 tstile   Sl   ?     0:00.11 
> /usr/pkg/bin/python2.7 /usr/pkg/sbin/xend start
> ====
> Looks like tstile is wchan for pid 97.
> 
> I'm also seeing in /var/log/xen/xend-debug.log
> ====
> Xend started at Tue Oct 15 13:57:19 2013.
> brctl: not found
> brctl: not found
> ====
> johnh...
> ________________________________________
> From: John Hayward
> Sent: Tuesday, October 15, 2013 1:53 PM
> To: Manuel Bouyer
> Cc: Adiel; Takahiro HAYASHI; port-xen%NetBSD.org@localhost; Mike C.
> Subject: RE: Reboot on *DOM0* while/after installing GPLPV drivers
> 
> Thanks for your patience!
> Now I get an error on xc:
> ====
> xc: error: Could not obtain handle on privileged command interface (2 = No 
> such file or directory): Internal error
> Traceback (most recent call last):
>   File "/usr/pkg/sbin/xend", line 36, in <module>
>     from xen.xend.server import SrvDaemon
>   File "/usr/pkg/lib/python2.7/site-packages/xen/xend/server/SrvDaemon.py", 
> line 26, in <module>
>     import relocate
>   File "/usr/pkg/lib/python2.7/site-packages/xen/xend/server/relocate.py", 
> line 28, in <module>
>     from xen.xend import XendDomain
>   File "/usr/pkg/lib/python2.7/site-packages/xen/xend/XendDomain.py", line 
> 36, in <module>
>     from xen.xend import XendOptions, XendCheckpoint, XendDomainInfo
>   File "/usr/pkg/lib/python2.7/site-packages/xen/xend/XendCheckpoint.py", 
> line 20, in <module>
>     from xen.xend import balloon, sxp, image
>   File "/usr/pkg/lib/python2.7/site-packages/xen/xend/image.py", line 46, in 
> <module>
>     xc = xen.lowlevel.xc.xc()
> xen.lowlevel.xc.Error: (1, 'Internal error', 'xc_interface_open failed: No 
> such file or directory')
> =====
> 
> I'm going to try xen-debug.gz to see if there is more info.
> I have 768MB for memory for dom0 - could that be an issue with xen4.2.3?
> johnh...
> _________________________________
> From: port-xen-owner%NetBSD.org@localhost 
> [port-xen-owner%NetBSD.org@localhost] on behalf of Manuel Bouyer 
> [bouyer%antioche.eu.org@localhost]
> Sent: Tuesday, October 15, 2013 1:36 PM
> To: John Hayward
> Cc: Adiel; Takahiro HAYASHI; port-xen%NetBSD.org@localhost; Mike C.
> Subject: Re: Reboot on *DOM0* while/after installing GPLPV drivers
> 
> On Tue, Oct 15, 2013 at 06:33:07PM +0000, John Hayward wrote:
>> Thanks for the note back.
>> The initial problem was that I had put the xen.gz in a different directory - 
>> I got that fixed.
>> I also removed the duplicate xend in /etc/rc.d
>>
>> Now I am putting things back to 4.2.3 and when xend starts it hangs and when 
>> HUP is sent:
>> ====
>> ^CTraceback (most recent call last):
>>   File "/usr/pkg/sbin/xend", line 110, in <module>
>>     sys.exit(main())
>>   File "/usr/pkg/sbin/xend", line 92, in main
>>     return daemon.start()
>>   File "/usr/pkg/lib/python2.7/site-packages/xen/xend/server/SrvDaemon.py", 
>> line 181, in start
>>     s = r.read()
>> KeyboardInterrupt
>> ====
>> Looking at the svrDaemond.pv it appears to be attempting to read from a 
>> socket of a forked child.
>>
>> Any program attempting to access /kern (including on shutdown) seems to get 
>> wedged.
> 
> Can you see on what channel it's wedged ?
> ^T, or ps axl should tell you.
> 
> --
> Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>      NetBSD: 26 ans d'experience feront toujours la difference
> --
> 
> 

-- 
Melhores Cumprimentos // Best Regards
------------------------------------------------------------------------
Miguel Clara
*nix Sys Admin Freelance