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SubjectRe: Problem with k7 optimizations in 2.4.x?
Blew sky high. Booted stock 2.4.3-ac3, K7 optimizations, init=/bin/sh.  
First time it went fine for quite some time (10-15 mins, find / -print,
etc) and then locked up hard on "open". Second time, it oops'd before
hardlocking (which I copied out by hand.) The oops and decode are
attached.

On Fri, 13 Apr 2001, Alan Cox did have cause to say:

> > On the iwill mobo? (I haven't heard of this problem on other
> > motherboards.)
>
> Im not using an Iwill board. I'm using an AMD751/756 based board and an old
> 'Uncle Fester' reference board.
>
---
_.-=<Disconnect>=-._
| dis@sigkill.net | And Remember...
\ shawn@healthcite.com / He who controls Purple controls the Universe..
PGP Key given on Request Or at least the Purple parts!

-----BEGIN GEEK CODE BLOCK-----
Version: 3.1 [www.ebb.org/ungeek]
GIT/CC/CM/AT d--(-)@ s+:-- a-->? C++++$ ULBS*++++$ P+>+++ L++++>+++++
E--- W+++ N+@ o+>$ K? w--->+++++ O- M V-- PS+() PE Y+@ PGP++() t 5---
X-- R tv+@ b++++>$ DI++++ D++(+++) G++ e* h(-)* r++ y++
------END GEEK CODE BLOCK------
ksymoops 2.3.7 on i686 2.4.3. Options used
-v vmlinux (specified)
-K (specified)
-L (specified)
-O (specified)
-m System.map (specified)
-1

EIP: c023873a
Call Trace: [<c0238847>] [<c0121295>] [<c0121a3b>] [<c0110d18>] [<c0110bc0>] [<c011be74>] [<c011ce4a>] [<c011d1f5>] [<c010714c>]
Code: 0f 6f 03 0f e7 06 0f 6f 4b 08 0f e7 4e 08 0f 6f 53 10 0f e7
Using defaults from ksymoops -t elf32-i386 -a i386

Trace; c0238847 <mmx_copy_page+37/40>
Trace; c0121295 <do_wp_page+1c5/230>
Trace; c0121a3b <handle_mm_fault+9b/d0>
Trace; c0110d18 <do_page_fault+158/440>
Trace; c0110bc0 <do_page_fault+0/440>
Trace; c011be74 <rm_sig_from_queue+14/20>
Trace; c011ce4a <do_sigaction+ba/120>
Trace; c011d1f5 <sys_rt_sigaction+75/d0>
Trace; c010714c <error_code+34/3c>
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 6f 03 movq (%ebx),%mm0
Code; 00000003 Before first symbol
3: 0f e7 06 movntq %mm0,(%esi)
Code; 00000006 Before first symbol
6: 0f 6f 4b 08 movq 0x8(%ebx),%mm1
Code; 0000000a Before first symbol
a: 0f e7 4e 08 movntq %mm1,0x8(%esi)
Code; 0000000e Before first symbol
e: 0f 6f 53 10 movq 0x10(%ebx),%mm2
Code; 00000012 Before first symbol
12: 0f e7 00 movntq %mm0,(%eax)

null pointer defref 00000000
EIP: c023873a
pgd entry d9040000 - 00000000
pmd entry d9040000 - 00000000
pmd not present!

Call Trace: [<c0238847>] [<c0121295>] [<c0121a3b>] [<c0110d18>] [<c0110bc0>] [<c011be74>] [<c011ce4a>] [<c011d1f5>] [<c010714c>]
Code: 0f 6f 03 0f e7 06 0f 6f 4b 08 0f e7 4e 08 0f 6f 53 10 0f e7
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