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Old 06-21-2006, 06:11 PM   #1
Atreyou40
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Registered: Jan 2003
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Can Not boot DL380 G3 using Gentoo, lilo and 2.6.9 kernel


Please read this thread for the details:

forums.gentoo.org/viewtopic-t-10380-postdays-0-postorder-asc-highlight-compaq+raid-start-0.html

I have an HP Proliant DL380 that is replacing a DL360. I have built and booted over 10 DL 360's in this configuration so I don't know what gives with this 380.

According to all 100 posts or so in that thread, it should be as simple as substituting /dev/cciss/discX/partX for /dev/cciss/c0d0pX when specifying a ROOT partition in Lilo. I have done and doublechecked this many many many many many many many many many times yet I boot to the same kernel panic message EVERY single time I boot:

VFS: Mounted root (ext3 filesystem).
VFS: Cannot open root device "cciss/c0d0p3" or 68:03
Please append a correct "root=" boot option
Kernel panic: VFS: unable to mount root fs on 68:03

I have diddled lilo, edited fstab, put symlinks in the /dev tree pointing to c0d0pX, and done everything else I can think of. I think that for some reason the system is attempting to find the root partition BEFORE the RAID controller is up and running. What parameters can I pass to the kernel at boot time to reverse this. I was able to fdisk, format, mount, use, modify my drive using the Gentoo LiveCD so I know HW support isn't the issue, but this is absolutely driving me bananas. Please help!

Thanks.
 
Old 06-21-2006, 06:38 PM   #2
jtshaw
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It sounds to me like either your cciss driver is compiled as a module and your not using an initrd or it isn't compiled in there at all. Is there any way you can post your kernel configuration file somewhere so I can take a look? I've used Gentoo and Redhat on many a DL380 G3 and G4 so I am quite confident there is a solution to this problem.

John
 
Old 06-22-2006, 05:55 PM   #3
Atreyou40
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You were exactly right - I don't know how I got set up with the 2.6.9 kernel I was booting from, but I was installing a custom stage4 (which I didn't build) and didn't know where the boot_copy was stowed. I found it, and copied that to /boot, edited lilo.conf for the proper drive syntax and presto! Problem solved. Thanks very much for your help. For the record - how do I get the output of my kernel config should I need to send it to you? I don't have much experience compiling kernels, or working with them - I let either red hat do it or I've used genkernel. Every time I've tried to build and boot from my own kernel, my system has gone down in flames. I typically use the apps that run over linux (NMIS, Apache, MRTG, MySql) so I try to avoid kernel compilation unless absolutely necessary. Thanks very, very much for your prompt reply
 
Old 06-22-2006, 06:49 PM   #4
jtshaw
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In the root of the source (the directory where you typically would do the make) there will be a .config file which has the kernel configuration. Newer kernels support providing the config via /proc/config or /proc/config.gz when they are running.
 
  


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