Jason McCoy wrote: > Background: I have 150 laptops that need to be imaged with an Ubuntu > linux image for our senators and representatives. I chose systemimager > for this task. > > I set everything up by and(i.e. nt using mkbootserver, etc). I did not > use the PXE package as it should not be neccessary(please explain this > to me if I am wrong) since modern DHCP servers handle PXE booting. > > The client machine boots, gets a DHCP address and finds the kernel > provided by the systemimager package. I then get a couple of errors > followed by a kernel panic. The errors are as follows. > > cramfs: wrong magic > FAT: bogus logical sector size 0 > Kernel panic: VFS: Unable to mount root fs on 00:00 > > I am allowing the pxelinux.cfg/default file to be used. The contents of > that file are as follows. > > DEFAULT install > > label install > kernel systemimager/kernel > append vga=normal systemimager/initrd=initrd.img > ramdisk_size=90000 root=/dev/rd/0 rw -- > > directory structure is as follows. > > [EMAIL PROTECTED]:/tftpboot$ ls -al > total 18 > drwxr-xr-x 4 root root 1024 2006-02-22 19:21 . > drwxr-xr-x 23 root root 1024 2006-02-21 18:53 .. > -rw-r--r-- 1 root root 13156 2006-02-22 19:05 pxelinux.0 > drwxr-xr-x 2 root root 1024 2006-02-22 19:36 pxelinux.cfg > drwxr-xr-x 2 root root 1024 2006-02-22 19:21 systemimager > [EMAIL PROTECTED]:/tftpboot$ cd systemimager/ > [EMAIL PROTECTED]:/tftpboot/systemimager$ ls -al > total 4671 > drwxr-xr-x 2 root root 1024 2006-02-22 19:21 . > drwxr-xr-x 4 root root 1024 2006-02-22 19:21 .. > -rw-r--r-- 1 root root 3436353 2006-02-22 19:17 boel_binaries.tar.gz > -rw-r--r-- 1 root root 22661 2006-02-22 19:17 config > -rw-r--r-- 1 root root 505141 2006-02-22 19:17 initrd.img > -rw-r--r-- 1 root root 791184 2006-02-22 19:17 kernel > [EMAIL PROTECTED]:/tftpboot/systemimager$ cd ../pxelinux.cfg/ > [EMAIL PROTECTED]:/tftpboot/pxelinux.cfg$ ls -al > total 6 > drwxr-xr-x 2 root root 1024 2006-02-22 19:36 . > drwxr-xr-x 4 root root 1024 2006-02-22 19:21 .. > -rw-r--r-- 1 root root 165 2006-02-22 19:36 default > -rw-r--r-- 1 root root 701 2006-02-22 19:05 message.txt > -rw-r--r-- 1 root root 791 2006-02-22 19:05 syslinux.cfg > -rw-r--r-- 1 root root 47 2006-02-22 19:05 syslinux.cfg.localboot > > I am hoping someone on this list might be able to shed some light on > this kernel panic issue. So far the only thing i have seen in the list > is that the ramdisk_size might have been set too small. I increased it > to 90000 as suggested in another thread. > > Thanks, > Jason
Are you running the latest version? I had troubles with the ramdisk and kernel appends in version prior. Also have you tried a larger ramdisk from the boot: prompt or are you adding it in your pxelinux.cfg? I used the bootable cd method and not PXE so I may not be much help but these tips may assist. -John
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