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Kernel oops while booting from live CD (Power Macintosh G3)
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jash
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Joined: 16 May 2006
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PostPosted: Tue Jun 06, 2006 12:28 am    Post subject: Kernel oops while booting from live CD (Power Macintosh G3) Reply with quote

I have a blue and white Power Macintosh G3. I downloaded and burned the 2006.0 minimal ISO onto a CD, and when I boot from it, I get

* Coldplugging pci devices
Oops: kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=8
NIP: C004B460 LR: C004B45C SP: CDC13E90 REGS: cdc13de0 TRAP: 0300 Not tainted
(etc., I'll write all these hex codes when I know someone who knows what they mean would read them)

I've tried looking around on the web, but I can't find a mention of a kernel oops at this particular time. I can't find anyone who has a problem booting from the install CD, but oopses are common enough later, apparently.

Anyway, does anyone know what I can do about this particular oops?

Thanks,
Ash
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mark_alec
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Joined: 11 Sep 2004
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PostPosted: Tue Jun 06, 2006 2:56 am    Post subject: Reply with quote

Moved from Installing Gentoo to Gentoo on PPC.
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JoseJX
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Joined: 28 Apr 2002
Posts: 2774

PostPosted: Tue Jun 06, 2006 3:52 am    Post subject: Reply with quote

We can't really help you without the trace. But you could try using the nodetect option to prevent it from loading modules.
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tetsujin
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Joined: 05 Jun 2006
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PostPosted: Tue Jun 06, 2006 5:25 am    Post subject: Reply with quote

yes, use the nodetect option is pretty much the only way i could work around it...it did this to me with the install cd...are you running an ATI card possibly?
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jash
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Joined: 16 May 2006
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PostPosted: Tue Jun 06, 2006 1:27 pm    Post subject: Reply with quote

OK, the whole thing goes:

Code:
 * Coldplugging pci devices ...
Oops: kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=8
NIP: C004B460 LR: C004B45C SP: CDCCDE90 REGS: cdccdde0 TRAP: 0300    Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000000, DSISR: 40000000
TASK = ce9ea1d0[5012] 'lsmod' THREAD: cdccc000
Last syscall: 3  CPU: 0
GPR00: C004B45C CDCCDE90 CE9EA1D0 00000000 FFFFFFF8 C031D9A3 CDCCDE70 0000000A
GPR08: FFFFFFFF 00001000 FFFFFFFF 00000002 00000000 1001923C 00000048 100DBF78
GPR16: 100DBFF8 FFFFFFFF FFFFFFFF 00000000 00000000 00000000 00000000 CDCCDF20
GPR24: CFF60860 00000000 CEC04880 00000400 00000001 CEC04860 D1055140 00000000
NIP [c004b460] m_show+0x74/0x168
LR [c004b460] m_show+0x70/0x168
Call trace:
 [c009c804] seq_read+0x2d0/0x474
 [c007556c] vfs_read+0xcc/0x14c
 [c0075774] sys_read+0x4c/0x8c
 [c000476c] ret_from_syscall+0x0/0x4c


I'm going to try my hand at the nodetect option now.
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jash
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Joined: 16 May 2006
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PostPosted: Tue Jun 06, 2006 1:32 pm    Post subject: Reply with quote

I have booted using the nodetect option successfully, though I hope I can figure out how to make the network work.

Oh, and yes, I've got the ATI Rage 128 installed that came with this thing.
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tetsujin
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PostPosted: Tue Jun 06, 2006 3:26 pm    Post subject: Reply with quote

to get the network to work just type modprobe bmac

also to look at your hard drive you might have to type modprobe cmd64x

Cameron
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jash
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PostPosted: Wed Jun 07, 2006 9:05 pm    Post subject: Reply with quote

You forgot one must also type /etc/init.d/eth0 restart ;-)
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turtles
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Joined: 31 Dec 2004
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PostPosted: Mon Jul 03, 2006 4:00 pm    Post subject: Reply with quote

Could you clarify how to use the "nodetect option"
I have this problem but it does boot the live cd, i dont know if it is related to my other problem.
https://forums.gentoo.org/viewtopic-t-476417-start-0-postdays-0-postorder-asc-highlight-.html
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WhiteSpade
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Joined: 16 Apr 2005
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PostPosted: Wed Jul 12, 2006 10:23 pm    Post subject: Reply with quote

All you have to do is, at the boot line, type:
Code:
ppc32 nodetect
I had to use the video=ofonly option since the the display stopped displaying after I tried to boot the kernel, so the full line I used was
Code:
ppc32 video=ofonly nodetect
Let me know if you have any more questions. I hope this helps.

---Alex
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