Description of problem: Updated a Boxx APEXX4 system (quad dual-core Opteron 875) Tyan S4881 from RHEL AS 4 Update 2 (2.6.9-22.0.1smp) to Update 3 (2.6.9-34smp) 8GB memory When attempting to boot from the new kernel, 2.6.9-34smp, get a kernel panic on not being able to find the Volume /bin/lvm exited abnormally. Booting with old kernel 22.0.1smp works fine. needs to use metadata to find the volume but finds it. booting kernel SRAT: lapic 16 too large SRAT: SRAT not used powernow-k8: init not cpu 0 ... powernow-k8: init not cpu 0 Red Hat nash version 4.2.1.6 starting Reading all physical Volumes This may take a while... No volumes found Unabel to find volume group "VolGroup00" Error: /bin/lvm exited abnormally mount: error 6 mounting ext3 pid 358 mount: error 2 mounting none switchroot: mount failed 22 umount /initrd/dev failed: 2 kernel panic - not syncing: Attempt to kill init! Version-Release number of selected component (if applicable): RHEL 4 AS Update 3 How reproducible: Always happens Steps to Reproduce: 1. reboot the system with kernel 2.6.9-34smp 2. 3. Actual results: kernel panic Expected results: boot normally Additional info: Output from when running 2.6.9-22.0.1.ELsmp kernel [root@lnx-boxx64 warnold]# lvdisplay --- Logical volume --- LV Name /dev/VolGroup00/LogVol00 VG Name VolGroup00 LV UUID 09cw7w-TAkX-95F1-a1Oq-U5VE-Cvc5-BfIMk8 LV Write Access read/write LV Status available # open 1 LV Size 109.62 GB Current LE 3508 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:0 --- Logical volume --- LV Name /dev/VolGroup00/LogVol01 VG Name VolGroup00 LV UUID ph3f0Y-StSl-56pd-eWIG-4LsU-cG9o-Lwda51 LV Write Access read/write LV Status available # open 1 LV Size 1.94 GB Current LE 62 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:1