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Created attachment 557324 [details] kernel panic screenshot Description of problem: Fedora 15 yum update install a new kernel after reboot kernel panic ! Version-Release number of selected component (if applicable): 2.6.41.9 How reproducible: Always Steps to Reproduce: 1.update F15 -> kernel is 2.6.41.9 2.reboot 3.grub screen trie to boot 2.6.41.9 Actual results: panic (see screenshot) Expected results: boot normally Additional info: target 2.6.41.4 in grub (last kernel) boot ok tried to redo a yum update but problem persist.
My guess is that you don't have an initramfs generated for this kernel in /boot and/or you don't have an initrd line in the grub.conf entry for it. We've seen a number of such issues recently with no real explanation. Can you look for those two things, and also see if there are errors in /var/log/messages or the dracut/yum logs?
Created attachment 557506 [details] yum.log
Created attachment 557507 [details] dracut.log
yum.log -> I don't see any error messages. kernel 2.6.41.9 install succesfully dracut.log -> I don't see any error but I don't have a valid file to compare it with. but initramfs file size doesn't look normal to me, see below so I think you were right and something has gone wrong generating this. [mat@pluto boot]$ ls -l total 55020 -rw-r--r--. 1 root root 124705 11 nov. 22:55 config-2.6.41.1-1.fc15.i686 -rw-r--r--. 1 root root 124704 29 nov. 13:01 config-2.6.41.4-1.fc15.i686 -rw-r--r--. 1 root root 124779 13 janv. 17:49 config-2.6.41.9-1.fc15.i686 drwxr-xr-x. 3 root root 1024 4 juin 2009 efi -rw-r--r--. 1 root root 178436 2 juin 2011 elf-memtest86+-4.20 drwxr-xr-x. 2 root root 1024 5 juil. 2011 extlinux drwxr-xr-x. 2 root root 1024 18 janv. 23:25 grub -rw-r--r--. 1 root root 14809231 18 nov. 11:25 initramfs-2.6.41.1-1.fc15.i686.img -rw-r--r--. 1 root root 14811787 26 déc. 17:14 initramfs-2.6.41.4-1.fc15.i686.img -rw-r--r--. 1 root root 6330998 18 janv. 23:28 initramfs-2.6.41.9-1.fc15.i686.img -rw-r--r--. 1 root root 1455096 5 juil. 2011 initrd-plymouth.img drwx------. 2 root root 12288 11 juin 2009 lost+found -rw-r--r--. 1 root root 176760 2 juin 2011 memtest86+-4.20 -rw-------. 1 root root 1886818 11 nov. 22:55 System.map-2.6.41.1-1.fc15.i686 -rw-------. 1 root root 1886813 29 nov. 13:01 System.map-2.6.41.4-1.fc15.i686 -rw-------. 1 root root 1811001 13 janv. 17:49 System.map-2.6.41.9-1.fc15.i686 -rwxr-xr-x. 1 root root 3969088 11 nov. 22:55 vmlinuz-2.6.41.1-1.fc15.i686 -rwxr-xr-x. 1 root root 3970176 29 nov. 13:01 vmlinuz-2.6.41.4-1.fc15.i686 -rwxr-xr-x. 1 root root 4400256 13 janv. 17:49 vmlinuz-2.6.41.9-1.fc15.i686 [mat@pluto boot]$
Created attachment 557543 [details] dracut.log for 2.6.41.10 I upgraded to 2.6.41.10 successfully attached is dracut.log a diff between both log files show that was a big missing part at the end for the non working case. I've no idea why.
can you boot with rd.shell rd.debug, and stash the log files somewhere ? (note, at this point in early boot, you'll likely have no udev running, so you might have to mknod /dev nodes by hand to access devices)
(In reply to comment #4) > yum.log -> I don't see any error messages. > kernel 2.6.41.9 install succesfully > dracut.log -> I don't see any error but I don't have a valid file to compare > it with. > > but initramfs file size doesn't look normal to me, see below so I think you > were right and something has gone wrong generating this. ... > -rw-r--r--. 1 root root 6330998 18 janv. 23:28 > initramfs-2.6.41.9-1.fc15.i686.img indeed, that looks fishy... can you attach the output of # lsinitrd initramfs-2.6.41.9-1.fc15.i686.img
oh, and attach your grub config file
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