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Old 04-04-2005, 09:34 PM   #1
I_AM
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kernel crashing server! please help!


Server crashed twice on my FC2 / cpanel box and tech at the dc said this:

Other servers have been having this same problem with the recent Fedora packaged kernels. It's apparently a bug in some data-structure handling code. The only solution I've found so far is to boot to a 2.6.9 kernel instead of the Fedora 2.6.10 kernels. It's not a hardware problem, as we've seen several customer systems exhibit similar behavior when running Fedora's 2.6.10 kernel.

Anyone know how to correct this?

I have this in /boot:

config-2.6.9-1.11_FC2smp
config-2.6.9-1.11_FC2
System.map-2.6.9-1.11_FC2
System.map-2.6.9-1.11_FC2smp

Thank you.
 
Old 04-04-2005, 09:51 PM   #2
I_AM
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This is my entire grub.conf too for you to see

Code:
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/hda2
#          initrd /initrd-version.img
#boot=/dev/hda
default=0
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
serial --unit=0 --speed=115200
terminal serial
title Fedora Core (2.6.10-1.771_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.771_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.771_FC2smp.img
title Fedora Core (2.6.10-1.771_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.771_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.771_FC2.img
title Fedora Core (2.6.10-1.770_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.770_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.770_FC2smp.img
title Fedora Core (2.6.10-1.770_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.770_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.770_FC2.img
title Fedora Core (2.6.10-1.14_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.14_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.14_FC2smp.img
title Fedora Core (2.6.10-1.14_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.14_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.14_FC2.img
title Fedora Core (2.6.10-1.12_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.12_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.12_FC2smp.img
title Fedora Core (2.6.10-1.12_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.12_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.12_FC2.img
title Fedora Core (2.6.10-1.9_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.9_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.9_FC2smp.img
title Fedora Core (2.6.10-1.9_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.9_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.9_FC2.img
title Fedora Core (2.6.10-1.8_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.8_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.8_FC2smp.img
title Fedora Core (2.6.10-1.8_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.10-1.8_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.10-1.8_FC2.img
title Fedora Core (2.6.9-1.11_FC2smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-1.11_FC2smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
title Fedora Core (2.6.9-1.11_FC2)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-1.11_FC2 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.9-1.11_FC2.img
title Fedora Core (2.6.8-1.521smp)
        root (hd0,0)
        kernel /vmlinuz-2.6.8-1.521smp ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.8-1.521smp.img
title Fedora Core-up (2.6.8-1.521)
        root (hd0,0)
        kernel /vmlinuz-2.6.8-1.521 ro root=LABEL=/ acpi=ht pci=noacpi console=tty0 console=ttyS0,115200 panic=180
        initrd /initrd-2.6.8-1.521.img
 
Old 04-04-2005, 09:51 PM   #3
I_AM
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Here is the entire /boot also

Code:
root@server [/boot]# ls
./                              initrd-2.6.9-1.11_FC2smp.img
../                             lost+found/
aquota.user*                    quota.user*
boot@                           System.map-2.6.10-1.12_FC2
config-2.6.10-1.12_FC2          System.map-2.6.10-1.12_FC2smp
config-2.6.10-1.12_FC2smp       System.map-2.6.10-1.14_FC2
config-2.6.10-1.14_FC2          System.map-2.6.10-1.14_FC2smp
config-2.6.10-1.14_FC2smp       System.map-2.6.10-1.770_FC2
config-2.6.10-1.770_FC2         System.map-2.6.10-1.770_FC2smp
config-2.6.10-1.770_FC2smp      System.map-2.6.10-1.771_FC2
config-2.6.10-1.771_FC2         System.map-2.6.10-1.771_FC2smp
config-2.6.10-1.771_FC2smp      System.map-2.6.10-1.8_FC2
config-2.6.10-1.8_FC2           System.map-2.6.10-1.8_FC2smp
config-2.6.10-1.8_FC2smp        System.map-2.6.10-1.9_FC2
config-2.6.10-1.9_FC2           System.map-2.6.10-1.9_FC2smp
config-2.6.10-1.9_FC2smp        System.map-2.6.8-1.521
config-2.6.8-1.521              System.map-2.6.8-1.521smp
config-2.6.8-1.521smp           System.map-2.6.9-1.11_FC2
config-2.6.9-1.11_FC2           System.map-2.6.9-1.11_FC2smp
config-2.6.9-1.11_FC2smp        vmlinuz-2.6.10-1.12_FC2
grub/                           vmlinuz-2.6.10-1.12_FC2smp
initrd-2.6.10-1.12_FC2.img      vmlinuz-2.6.10-1.14_FC2
initrd-2.6.10-1.12_FC2smp.img   vmlinuz-2.6.10-1.14_FC2smp
initrd-2.6.10-1.14_FC2.img      vmlinuz-2.6.10-1.770_FC2
initrd-2.6.10-1.14_FC2smp.img   vmlinuz-2.6.10-1.770_FC2smp
initrd-2.6.10-1.770_FC2.img     vmlinuz-2.6.10-1.771_FC2
initrd-2.6.10-1.770_FC2smp.img  vmlinuz-2.6.10-1.771_FC2smp
initrd-2.6.10-1.771_FC2.img     vmlinuz-2.6.10-1.8_FC2
initrd-2.6.10-1.771_FC2smp.img  vmlinuz-2.6.10-1.8_FC2smp
initrd-2.6.10-1.8_FC2.img       vmlinuz-2.6.10-1.9_FC2
initrd-2.6.10-1.8_FC2smp.img    vmlinuz-2.6.10-1.9_FC2smp
initrd-2.6.10-1.9_FC2.img       vmlinuz-2.6.8-1.521
initrd-2.6.10-1.9_FC2smp.img    vmlinuz-2.6.8-1.521smp
initrd-2.6.8-1.521.img          vmlinuz-2.6.9-1.11_FC2
initrd-2.6.8-1.521smp.img       vmlinuz-2.6.9-1.11_FC2smp
initrd-2.6.9-1.11_FC2.img
 
Old 04-04-2005, 09:56 PM   #4
Brian1
Guru
 
Registered: Jan 2003
Location: Seymour, Indiana
Distribution: Distribution: RHEL 5 with Pieces of this and that. Kernel 2.6.23.1, KDE 3.5.8 and KDE 4.0 beta, Plu
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I would try compiling your own from source. There are just to many bugs and missing items in the rpm kernel releases.

Read over this post for compiling help.
http://www.linuxquestions.org/questi...36#post1401136

If a newer kernel fails then it would probalby be a problem with one of the kernel section sources. Find the creator and discuss the issue.

If going to 2.6.10* or greater requires and few other updates to get the system stable. I don't recall all but udev will be an issue. Best way around is upgrade to FC3. If you can build a dupilcate machine or duplicate the harddrive then upgrade to fc3 and beta test that setup and see if it works before trying others. Always have backups. No need for a fresh install, just do an upgrade from fc2 to fc3.

Brian1
" Google the Linux way @ http://www.google.com/linux "
 
Old 04-04-2005, 10:03 PM   #5
I_AM
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Registered: Mar 2005
Posts: 103

Original Poster
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I was told on another forum to do the following

ln -s /boot/System.map-2.6.9-1.11_FC2 /boot/System.map
change (in grub.conf) default=0 to default=12

(12 is title Fedora Core (2.6.9-1.11_FC2smp)

Does this sound right?
 
Old 04-05-2005, 07:08 PM   #6
Brian1
Guru
 
Registered: Jan 2003
Location: Seymour, Indiana
Distribution: Distribution: RHEL 5 with Pieces of this and that. Kernel 2.6.23.1, KDE 3.5.8 and KDE 4.0 beta, Plu
Posts: 5,700

Rep: Reputation: 61
Changing default to equal 12 means if you reboot then that is your default kernal that is used if you do not touch the system. Another thought here you can try since since it appears you have multiple processor system is boot with one of the standard non smp kernels. The OS will only use one processor then. See if that fixes the problem.

Or you can remove one of the processors and see if the system is stable. Then ou can boot with a standard not smp kernel. That would make no difference.

Brian1
" Google the Linux way @ http://www.google.com/linux "
 
  


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