[OpenIndiana-discuss] post-boot hang

[Matt Connolly]

  Link to photo of crash stack trace:

http://s895.photobucket.com/albums/ac156/matt_connolly/?action=view&current=crashstacktrace.jpg

On 30/11/11 08:43 PM, Matt Connolly wrote:
>  Hi all,
>
> I've just spent a bit more time testing my system. Simply doing the 
> following results in a boot hang:
>
> # pkg install driver/i86pc/kvm
> # reboot
>
> If I make a zfs snapshot right before doing that, I can boot from 
> another BE in the grub menu, rollback to the snapshot and then boot in 
> my main BE.
>
> If I disable all virtualisation features in my board's bios, then I 
> get a kernel panic, which was recorded to a zvol: rpool/dump (which is 
> nearly 8GB in size). With Virtualisation enabled, then it's the silent 
> hang.
>
> It's quite odd that if I install KVM fully, it loads at install time 
> and I can use it, but no luck rebooting later.
>
> Has anyone else seen this sort of problem with KVM?
>
> On 30/11/11 10:36 AM, Matt Connolly wrote:
>> Hi all,
>>
>> I've installed oi-151 on a new machine recently, and it's running 
>> great, but it will not reboot. I've made some boot environment clones 
>> as I've gone along and I can always roll back to the clean install, 
>> and that will boot, but it seems that after I install kvm and a few 
>> other bits (apache, mysql, etc), it doesn't want to reboot.
>>
>> The hardware is an Intel S1200BTL motherboard with a Xeon E3-1230 
>> processor with 16GB RAM.
>>
>> I've been through this process a number of times now, rolling back, 
>> reinstalling, yes it works, reboot = hang. The hang is an odd one, it 
>> happens very late in the boot process, when the graphical login appears.
>>
>> If I disable the graphical console and splashscreen and add some 
>> verbose logging to the grub boot command, I can see services loading 
>> up, and as the network comes online I can ping the machine successfully.
>>
>> The last text I saw on the screen before was this:
>>
>> pseudo: pseudo-device: kvm0
>> genunix: kvm0 is pseudo/kvm0
>>
>> A few seconds after this the screen blanks - I assume this is where 
>> the graphical login would normally appear - and then the machine 
>> totally stops responding to network pings, keyboard events, etc. The 
>> capslock light on the keyboard won't toggle (is that a bad sign?).
>>
>> kvm being the last thing logged could be a coincidence...  it's just 
>> the last thing in the log before the screen blanks.
>>
>>
>> Does anyone have any ideas as to how to track this down?
>>
>>
>> Thanks,
>> Matt
>>
>