On 06/14/16 09:01 AM, Gabriele Bulfon wrote:
Hi,
it's the second time I get this on the same dev system in few months, hope 
someone else got this and found a solution..
Both times, the message show a garbled character instead of the path for the 
unix to run.
First time boot was on SSD and I thought that was failing, so I reinstalled 
boot on a SATA disk, leaving SSD there doing nothing for a while. This required 
me to find and reinstall all dev packages needed to build and mantain our 
distro.
This time again, I just remember shutting down the system last night, rebooting 
today, finding the boot like the attached jpg.
Tried with this :
https://jasonbanham.wordpress.com/category/bootadm/
No way.
Always the krtld fail error.
I think I can reinstall again on SSD or SATA, that is not the problem..
I would like to know what's happening to avoid this again...
Maybe just installing often dev packages requiring new boot env often can crash 
the boot archive???
Any idea? Maybe just some way to fix the boot before reinstalling again may be 
lighter...
:(
Thanks for any idea,
Gabriele


One can recover from boot error by booting form live DVD/USB and repairing GRUB.

Try installing development packages in a zone if they are from userland.

Can error be associated with some illumos update or userland updates to isolate?

Do you use SATA disks on SATA controller or SAS expanders with using SATA disks or Expanders at all - all of this is not supported as I know.
Do you have ECC RAM?

What illumos is there etc.
I don't have XstreamOS installed at the moment to try to reproduce.

Maybe question is better for oi-dev but oi-discuss will be good enough for now.

krtld is part of 'developer/debug/mdb' package on OI. try reinstalling GRUB with new boot archive. I had similar strange problem booting after some illumos update about year and a half ago, but not like this. I couls only solve it by booting form Live DVD (and not even recent one but older, Opensolaris one as I remember) and reinstalling GRUB. After that reinstalling GRUB with newer ISOs worked OK..



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