Rebuilding HPUX 11 kernel - failure - no swap

[Declan Forde]

Hello

We have recently cold installed HPUX 11.0 (May 99 Extension Pack 9905)
on a B-Class 715/64 (model 9000/715/D) machine and everything works fine
until we try to change any of the kernel parameters in sam e.g. maxuprc
from 128 to 256 [maximum maxuprc = Nproc - 4 = 20+(8*maxusers) - 4 =
20+(8*32) - 4 = 272 ] and rebuilt the kernel. After the rebuild it
appears that the swap paration lvol02 is no longer available and the
machine panics and constantly reboots.

The only way to log in is to interupt the boot sequence and to boot the
/stand/vmunix.prev kernel build in single user mode and copy vmunix.prev
to vmunix system.prev to system and the directory dlkm.vmunix.prev to
dlkm.

Have we perhaps missed a patch for mk_kernel?

Any help would be greatly appreciated.

Declan Forde

Machine Information
# swlist
# Initializing...
# Contacting target "kerberos"...
#
# Target: kerberos:/
#
# Bundle(s):
#
B5456CA C.01.18.00 HP-UX Development Kit for Java*
B8110AA C.01.21.00 HP-UX Development Kit for Java 2

HPUXEng32RT B.11.00 English HP-UX 32-bit Runtime
Environment
UXCoreMedia B.11.00 HP-UX Media Kit (Reference Only.
See Description)
XSWGR1100 B.11.00.43 HP-UX Extension Pack, December
1998
#
# Product(s) not contained in a Bundle:
#
PHCO_17556 1.0 fsck_vxfs(1M) cumulative patch
PHCO_19491 1.0 libc cumulative patch
PHKL_17935 1.0 libpthreads cumulative patch
PHKL_18543 1.0
PM/VM/UFS/async/scsi/io/DMAPI/JFS/perf patch
PHSS_15853 1.0 Xserver cumulative patch
PHSS_16587 1.0 HP aC++ runtime libraries (aCC
A.03.13)
PHSS_17535 1.0 Font Server JAN 99 Cumulative
Patch
PHSS_19593 1.0 X/Motif2.1 Runtime SEP99
Cumulative Patch
PHSS_19748 1.0 CDE Runtime SEP 99 Cumulative
Patch
Postgres 1.0 Postgres 1.0

# dmesg
System Console is on the ITE
Logical volume 64, 0x3 configured as ROOT
Logical volume 64, 0x2 configured as SWAP
Logical volume 64, 0x2 configured as DUMP
Swap device table: (start & size given in 512-byte blocks)
entry 0 - major is 64, minor is 0x2; start = 0, size = 1048576
Dump device table: (start & size given in 1-Kbyte blocks)
entry 0 - major is 31, minor is 0x6000; start = 72544, size =
524288
Starting the STREAMS daemons-phase 1
Create STCP device files
B2352B/9245XB HP-UX (B.11.00) #1: Thu Nov 6 01:58:21 PST 1997
Memory Information:
physical page size = 4096 bytes, logical page size = 4096 bytes
Physical: 131072 Kbytes, lockable: 101332 Kbytes, available: 108416
Kbytes
(128 MB Memory)

# diskinfo /dev/rdsk/c0t6d0
SCSI describe of /dev/rdsk/c0t6d0:
vendor: SEAGATE
product id: ST34371N
type: direct access
size: 4248442 Kbytes
bytes per sector: 512

# swapinfo
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 524288 4132 520156 1% 0 - 1
/dev/vg00/lvol2
reserve - 184036 -184036
(512 MB Swap)

# bdf -l
Filesystem kbytes used avail %used Mounted on
/dev/vg00/lvol3 1228800 955073 256731 79% /
/dev/vg00/lvol1 67733 41826 19133 69% /stand
/dev/vg00/lvol5 2392064 1106123 1205615 48% /usr/nsue
/dev/vg00/lvol4 20480 1149 18125 6% /home

--
__________________________________________________________________
Declan Forde (7-205)
Bosch Telecom Tel : 07191-13-4366
Software-Systeme GmbH & Co. KG
Blumenstr. 22-24 Fax : 07191-13-2502
71522 Backnang __@" Email : Declan...@de.bosch.com
__________________________________________________________________

[melvyn]

You do not give the panic string that is written to the console, and this is
a vital clue.
However, I do know of a problem with PHKL_18543 that I see you have loaded.
You MUST load PHCO_17058, as this fixes the problem, and I quote from the
text file of PHKL_18543:

A kernel built with SAM after PHKL_18543 is installed with cause a system
panic at boot time. The panic string is:
all VFS_MOUNTROOTs failed: NEED DRIVERS ?????

Hope that helps
Declan Forde wrote:

--
=============================================
Melvyn Burnard (melvyn_...@hp.com)
also (mel...@hpwind81.uksr.hp.com)
+++++++++++++++++++++++++++++++++++++++++++++

Hewlett Packard Response Centre,
United Kingdom

+++++++++++++++++++++++++++++++++++++++++++++

My house is the bank's, my money the wife's,
But my opinions belong to me, not HP!
=============================================

[Paul A. Weber]

I am pretty sure it is a SAM patch PHCO_17792 you need. It has bitten me
once. I keep an up-to-date patch depot and patch all systems from it. . You
will have to boot from the previous kernel and put the previous kernel and
the dklm.prev back into place before trying again or you will overwrite your
bootable kernel, vmunix.prev and dklm.prev.

Paul Weber