Re: 2.4.[<=6] kernel has Cyrix 'coma' bug?

From: Steven Lass (stevenlass1@home.com)
Date: Sun Jul 22 2001 - 12:08:26 EST


Rob,

My CPU is a bit different than yours (sorry for not posting this with
the original message).

[root /root]# cat /proc/cpuinfo
processor : 0
vendor_id : CyrixInstead
cpu family : 4
model : 1
model name : MediaGX 3x Core/Bus Clock
stepping : 2
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : -1
wp : yes
flags :
bogomips : 59.59

I posted my .config file if anyone is interested. MTRR is not set.
http://members.home.net/stevenlass1/.config.txt

-steve

> ----- Original Message -----
> From: "Rob Turk" <r.turk@chello.nl>
> Newsgroups: lists.linux.kernel
> Sent: Sunday, July 22, 2001 4:23 PM
> Subject: Re: 2.4.[<=6] kernel has Cyrix 'coma' bug?
>
> > "Steven Lass" <stevenlass1@home.com> wrote in message
> > news:cistron.3B5AD0DF.8DDC5D1E@home.com...
> > >
> > > dev-list,
> > >
> > > Every 2.4 kernel that I've tried freezes my Cyrix MediaGX system at boot
> > > up.
> > >
> >
> > For what it's worth, I use the Slackware 8.0 distribution, and have no
> > trouble running 2.4.[5-7] on my Cyrix MediaGX 233 MHz. Make sure MTTR is
> off
> > in your configuration, this has bit me in the *ss once...
> >
> > Rob
> >
> > ======
> > CPU: Before vendor init, caps: 00808131 01818131 00000000, vendor = 1
> > Working around Cyrix MediaGX virtual DMA bugs.
> > CPU: After vendor init, caps: 00808121 00818131 00000000 00000001
> > CPU: After generic, caps: 00808121 00818131 00000000 00000001
> > CPU: Common caps: 00808121 00818131 00000000 00000001
> > CPU: Cyrix MediaGXtm MMXtm Enhanced stepping 02
> > Checking 'hlt' instruction... OK.
> > POSIX conformance testing by UNIFIX
> > =======
> > robtu@pi8nos:/proc$ cat cpuinfo
> > processor : 0
> > vendor_id : CyrixInstead
> > cpu family : 5
> > model : 7
> > model name : Cyrix MediaGXtm MMXtm Enhanced
> > stepping : 2
> > cache size : 16 KB
> > fdiv_bug : no
> > hlt_bug : no
> > f00f_bug : no
> > coma_bug : no
> > fpu : yes
> > fpu_exception : yes
> > cpuid level : 2
> > wp : yes
> > flags : fpu msr cx8 cmov mmx cxmmx
> > bogomips : 76.80
> >

-
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This archive was generated by hypermail 2b29 : Mon Jul 23 2001 - 21:00:15 EST