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I've got a machine running Centos 5.2 I had had previously compiled kernel version 220.127.116.11 and it's been running fine. I now want to upgrade to 18.104.22.168 but can't seem to get the new kernel to boot. Everything goes fine right up to the point where it tries to find the root filesystem then I get a kernel panic. My root partition is on an Areca SATA raid controller that uses the arcmsr driver module, but is also contained inside an LVM group.
The error message that I get before the panic is that VolGroup00 can't be found. I can't tell if it's because the arcmsr module is not being loaded or if it has something to do with the LVM support. I can't find any options in menuconfig to turn LVM support on or off.
I've tried compiling the arcmsr support both as a module and directly into the kernel, and I get the same message either way. Even tried running mkinitrd was --preload=arcmsr to no avail.
Did something change between 22.214.171.124 and 126.96.36.199 that would affect the LVM system?
The config for the new kernel was mostly identical. I added the options for tickless system and increased the timer rate to 1000hz, but beyond that nothing much changed. I made sure that I compiled the appropriate sata modules and drivers for my raid card and then made sure I built an initrd with those modules included. Still get the same result.