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gentoo hangs after motherboard replacement [SOLVED]
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splurben
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PostPosted: Fri Jan 02, 2015 9:57 am    Post subject: gentoo hangs after motherboard replacement [SOLVED] Reply with quote

So, I have a server which had an INTEL DH58SO motherboard which had failed and I replaced it with an MSI X79MA-GD45.

This also involved a processor change from INTEL Core i7 960 to INTEL Core i7 3820.

My portage make.conf file is configured with 'native' for the processor. This may be a problem, but I'm not certain.

The new motherboard boots fine from the Gentoo 2014 LiveDVD in UEFI mode.

I have the new motherboard in Legacy/UEFI mode as the old board only supported BIOS/MBR booting robustly. I have had good luck booting the new board in UEFI and BIOS/MBR mode and the new board has the latest BIOS/Firmware.

I'm unused to the Linux kernel failing to report at least a panic on boot failure.

I've tried recompiling the kernel from CHROOT, making sure that any hardware driver changes between the boards are supported.

Having carried out similar upgrades before without such an issue, I'm not sure where to turn now.

I will post the output of lspci and /usr/src/linux/.config, from LiveDVD 2014 chroot here now. I hope that someone will be able to see where my problem lies.

kernel config: http://pastebin.com/6v0tSN4k
cpuinfo: http://pastebin.com/iLdi3Tsj
lshw: http://pastebin.com/xVc18gWq
lspci: http://pastebin.com/QDYsNTvm

Cheers, Kirk
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Last edited by splurben on Fri Jan 09, 2015 5:21 am; edited 1 time in total
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Keruskerfuerst
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PostPosted: Fri Jan 02, 2015 12:02 pm    Post subject: Reply with quote

1. Mainboard: different chipset: the kernel config must be changed.
2. CPU: different instruction set: i am not sure which instruction set both cpus have


Last edited by Keruskerfuerst on Fri Jan 02, 2015 6:42 pm; edited 1 time in total
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asturm
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PostPosted: Fri Jan 02, 2015 12:16 pm    Post subject: Reply with quote

Check memory compatibility / function with memtest86+
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Ant P.
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PostPosted: Fri Jan 02, 2015 5:52 pm    Post subject: Reply with quote

Try this:
  1. chroot into your installation from the working live disc
  2. Create a copy of your current /usr/src/linux/.config
  3. Do `make localyesconfig`
  4. Diff that with the old file and see if it added anything
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splurben
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PostPosted: Sat Jan 03, 2015 8:52 am    Post subject: Reply with quote

Ant P. wrote:
Try this:
  1. chroot into your installation from the working live disc
  2. Create a copy of your current /usr/src/linux/.config
  3. Do `make localyesconfig`
  4. Diff that with the old file and see if it added anything


Yup, done: find DIFFed config here: http://pastebin.com/7H75SaZr

I'm looking it over but frankly I'm overwhelmed.

I think I'll take the new one, see if it boots, and then put my necessary modifications back in.

Thanks for the help Ant P.
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splurben
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PostPosted: Sat Jan 03, 2015 8:53 am    Post subject: Reply with quote

genstorm wrote:
Check memory compatibility / function with memtest86+


Didn't use the same memory, had recommended memory already installed in board and running on another Gentoo drive that's long gone beforehand.
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splurben
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PostPosted: Sat Jan 03, 2015 9:16 am    Post subject: Reply with quote

splurben wrote:
Ant P. wrote:
Try this:
  1. chroot into your installation from the working live disc
  2. Create a copy of your current /usr/src/linux/.config
  3. Do `make localyesconfig`
  4. Diff that with the old file and see if it added anything


Yup, done: find DIFFed config here: http://pastebin.com/7H75SaZr

I'm looking it over but frankly I'm overwhelmed.

I think I'll take the new one, see if it boots, and then put my necessary modifications back in.

Thanks for the help Ant P.


HOORAY, thanks for the advice, I'm booting now and have diagnostic data. You're a legend! Cheers!
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