"cannot mount root" and "got scsi bus reset" during Solaris 8 Installation

From: Alfredo Hernández Alvarez (ajhax@yahoo.com)
Date: Mon Jul 14 2003 - 15:16:11 EDT


Hello all

We have a E250 with 1024 MB in memory, 2 disks 18GB each.

We reinstalled Solaris 8, as an initial installation, during
installation redefined partitions and so. Everything was going ok, but
suddenly before finishing installation, before first reboot, the system
got into a boot cycle... The following messages appeared

cannot assemble drivers for root /pci@df,4000/scsi@3/disk@0,0:a
cannot mount root on /... fstype ufs

panic cpu0/thread=10408000:
vfs_mountroot: cannot mount root

I enter open boot, tried test-all, probe-scsi, the full tests and
everything was ok.

Tried installing again... the same.

Tried boot cdrom -s, then fsck all partitions... then, when trying the
install again, the following errors appeared instead

syncing filesystems... WARNING: /pci@df,4000/scsi@3 (glm0):
unexpected DMA State: ACTIVE dstat=20 bus-fault
WARNING: /pci@df,4000/scsi@3 (glm0): got scsi bus reset

2650 cannot sync -- giving up
...

Well, the problem was during install, when packages are being
installed, before first reboot. It justs exists the install.

I am trying to understand here what could be going on, but need some
help. Just for comment, on another similar E250 installation went ok.

Can anyone have any ideas, please?

I will summarize.

Thanks in advance

Alfredo H.
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