Strange behaviour on Openserver 5.0.2 after 09/2015 Post: 302955135

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Operating Systems SCO Strange behaviour on Openserver 5.0.2 after 09/2015 Post 302955135 by Retz on Monday 14th of September 2015 06:36:41 PM

09-14-2015

Registered User

Thanks ChipperEs for the detailed instructions.
Some of the information you provided I had found by myself and I already have successfully converted some 5.0.5 and 5.0.6 systems to VMWare ESXi 5.1. I have used the following tool instead of Acronis:

(Sorry, I am not allowed to post URLs)
www dot feyrer dot de Slash g4u

to rawcopy the disks which works very good (although sometimes slow).
The problem which I currently have with a customers 5.0.2 machine is that booting it under ESXi 5.1 does not succeed. I get an
"Unexpected trap in kernel mode"
and PANIC: k_trap - Kernel mode trap type 0x0000000E
even when using your "red" blc driver disk. I already have tried copying the customers disk onto a VMWare IDE disk - same result. I really would like to virtualize the customers machine and would like to apply

(sorry, I am not allowed to post URLs)
ftp dot sco dot com Slash pub Slash openserver5 Slash oss601a

to see if that solves the error 11 problem.

The bootstring I provided to boot the SCO 5.0.2 raw disks was:
defbootstr hd=Sdsk link=blc btld=fd(64) Sdsk=blc(0,0,0,0)

It then asks for the floppy, loads the blc driver, restarts, initializes BTLD and then gets the Unexpected trap in kernel mode.

In the baremetal machine is located a specialix card and of course there is also an SX driver built into the kernel. It could be that this driver also could cause the Unexpected trap.

Retz

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LEARN ABOUT SUSE

cmdk

cmdk(7D)							      Devices								  cmdk(7D)

NAME

       cmdk - common disk driver

SYNOPSIS

       cmdk@target, lun : [ partition | slice ]

DESCRIPTION

       The  cmdk  device  driver  is  a  common interface to various disk devices. The driver supports magnetic fixed disks and magnetic removable
       disks.

       The block-files access the disk using the system's normal buffering mechanism and are read and written  without	regard	to  physical  disk
       records. There is also a "raw" interface that provides for direct transmission between the disk and the user's read or write buffer. A sin-
       gle read or write call usually results in one I/O operation; raw I/O is therefore considerably more efficient when many bytes are transmit-
       ted. The names of the block files are found in /dev/dsk; the names of the raw files are found in /dev/rdsk.

       I/O  requests  to the magnetic disk must have an offset and transfer length that is a multiple of 512 bytes or the driver returns an EINVAL
       error.

       Slice 0 is normally used for the root file system on a disk, slice 1 as a paging area (for example, swap), and slice 2 for backing  up  the
       entire fdisk partition for Solaris software. Other slices may be used for usr file systems or system reserved area.

       Fdisk partition 0 is to access the entire disk and is generally used by the fdisk(1M) program.

FILES

       /dev/dsk/cndn[s|p]n     block device (IDE)

       /dev/rdsk/cndn[s|p]n    raw device (IDE)

			       where:

			       cn	controller n

			       dn	lun n (0-7)

			       sn	UNIX system slice n (0-15)

			       pn	fdisk partition(0)

       /kernel/drv/cmdk        32-bit kernel module.

       /kernel/drv/amd64/cmdk  64-bit kernel module.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |x86			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       fdisk(1M), mount(1M), lseek(2), read(2), write(2), readdir(3C), scsi(4), vfstab(4), attributes(5), dkio(7I)

SunOS 5.10							    9 Oct 2004								  cmdk(7D)