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SubjectRe: Linux-2.1.129..
Linus Torvalds writes:
>
>
> On Thu, 19 Nov 1998, Jeremy Katz wrote:
> >
> > I'm still working on getting the patch, but does it fix the "UP flu" that
> > those of us not blessed with multi-processor machines have been seeing
> > since 127-pre7? Unless I missed a message here, I thought the problem was
> > still unresolved. This is one of the things which definitely needs to be
> > fixed before 2.2 (so you're not just a chicken ;) or the outcry will be
> > amazing...
>
> Nope, the UP flu should be fixed by the separate patch I posted earlier
> (and here it is for your edification again). Please tell me whether it
> really does fix the problems you've seen..

Well, that patch may fix other problems, but it doesn't fix the
problem I reported earlier with NULL pointer dereferences in the
swapper tasks on a Cyrix is. With vga=0 no problems, with vga=6 I get
the oops.

Boot log appended.

Regards,

Richard....

Freeing unused kernel memory: 32k freed
Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01a6b6b>]
EFLAGS: 00010246
eax: 00000000 ebx: 00000f00 ecx: c0098440 edx: c0124f18
esi: c0233fd0 edi: 00000000 ebp: 00009000 esp: c0008000
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 2, process nr: 2, stackpage=c0007000)
Stack:
Call Trace:
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01a6b8c>]
EFLAGS: 00010292
eax: 00000000 ebx: 00000f00 ecx: 00000001 edx: c011e6b4
esi: c0233fd0 edi: 00000000 ebp: 00009000 esp: c0006000
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 3, process nr: 3, stackpage=c0005000)
Stack:
Call Trace:
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ne.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)

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