I am sorry folks, I did not provide more info mainly because from HMC there was no facility (correction: I am os/warp ignorant!) to cut and paste messages from operator messages area to an email.
What I found was that when we were IPLing from dasd 2300, it was actually booting from 230B. Not knowing this 230B was allocated to a guest and cylinder 0 formatted. This caused Linux LPAR to hang up. When we killed it, the result was kernel panic. After restoring 230B, we found that the boot parms and fstab made no reference to 230B. The parmfile shows boot=/dev/dasda1 (which is 2300) but it looks like mkinitrd step was missed and it must be pointing to boot=/dev/dasdk1 (230B). I am not sure if there is a way to de-compile initrd to find out what it contains! We have been merrily booting from 230B until we decided to use the volume without realizing it was being used. __________________________________________ Ranga Nathan / CSG Systems Programmer - Specialist; Technical Services; BAX Global Inc. Irvine-California Tel: 714-442-7591 Fax: 714-442-2840 "Post, Mark K" <[EMAIL PROTECTED]> Sent by: Linux on 390 Port <[email protected]> 01/07/2005 07:01 PM Please respond to Linux on 390 Port <[email protected]> To [email protected] cc Subject Re: ### URGENT ### Please help - Kernel panic - can not mount roo t Some of the messages just prior to that would be helpful. Just telling us that it can't mount the file system is too little information. Mark Post -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Ranga Nathan Sent: Friday, January 07, 2005 8:02 PM To: [email protected] Subject: ### URGENT ### Please help - Kernel panic - can not mount root We had a problem with Linux running in an LPAR today and we had to re-IPL. But Linux would not come up. We get the message to this effect: Kernel panic: can not mount root fs (reiserfs) Is there any IPL paramter or something we set up to examine and get a successful IPL? Otherwise we need to recall our off-site backup and restore, which could take a long time. Help appreciated. __________________________________________ Ranga Nathan / CSG Systems Programmer - Specialist; Technical Services; BAX Global Inc. Irvine-California Tel: 714-442-7591 Fax: 714-442-2840 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
