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wg205
n00b
Joined: 13 Feb 2008
Posts: 6
Location: Bath, England,
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 Posted: Thu Jul 10, 2008 11:32 am Post subject: SMP cause kernel panic |
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Hi,
I managed to put Gentoo on pc with pentium D processor and il8 motherboard. The problem is that only one cpu is detected. After checking in kernel config file I found that SMP is off so I turned it on and made a kernel. But with this new kernel system doesn't want to start and I'm getting message "kernel panic".
Could anybody help me to solve this problem?
Cheers
Wojtek |
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MasterDragon
Tux's lil' helper
Joined: 11 Dec 2006
Posts: 107
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| Posted: Thu Jul 10, 2008 3:33 pm Post subject: |
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I'm no expert but...
Is the new kernel the same version as your old kernel? Was enabling smp the only thing you canged? Check by running a diff on the two kernel configs if you so desire.
When does it say kernel panic? I suspect that more information will be needed to diagnose the problem.
Anyway, good luck. Hopefully someone who knows more than I do can try to help you further. |
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pappy_mcfae
Watchman
Joined: 27 Dec 2007
Posts: 5999
Location: Pomona, California.
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| Posted: Fri Jul 11, 2008 8:45 am Post subject: |
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yes, the error message would be very helpful...write it out and post it here.
Blessed be!
Pappy
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wg205
n00b
Joined: 13 Feb 2008
Posts: 6
Location: Bath, England,
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| Posted: Fri Jul 11, 2008 2:04 pm Post subject: |
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The kernel is 2.6.25-gentoo-r6 and I have 2 versions: one without SMP - working, and the other with SMP. Booting with SMP kernel stops in various places. One of the more frequent is :
| Code: | /init:/etc/initrd.scripts: line 922: syntax errorL "then" unexpected (expecting "if")
Kernel panic - not syncing: Atempted to kill init!
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The other cases end up in such message:
| Code: | udevd-event[4785]: run_program:'/spin/modprobe' abnormal exit
Fixing recursive fault but reboot is needed! |
- reboot didn't help
| Code: | CR2: ffff810080000000
---[end trace c3918df9623218c9]--- [!!] |
-I've got similar like above couple of times with various numbers
Is it possible that my processor is broken and only one core works? |
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MasterDragon
Tux's lil' helper
Joined: 11 Dec 2006
Posts: 107
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| Posted: Fri Jul 11, 2008 4:06 pm Post subject: |
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| wg205 wrote: | | Is it possible that my processor is broken and only one core works? |
I don't think thats likely. And I'm fairly certain that a kernel compiled with smp would still work with a non-smp system. |
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eccerr0r
Watchman
Joined: 01 Jul 2004
Posts: 9890
Location: almost Mile High in the USA
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| Posted: Fri Jul 11, 2008 6:48 pm Post subject: |
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Can you underclock to test?
Do both cores work in Windows or some other distribution? Tried some other OS?
Don't rule out any possibilities until they're proven not to be the problem...
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