[CentOS] RHEL 6/CentOS

On 04/26/2011 08:24 AM, Steve Clark wrote:
> Hello,
>
> Anybody know the reason RedHat decided not to support the
> VIA Eden Processor?
>
> cat /proc/cpuinfo
> processor       : 0
> vendor_id       : CentaurHauls
> cpu family      : 6
> model           : 13
> model name      : VIA Eden Processor  500MHz
>
> I am testing, (using ayplus kernel) and get the following during bootup:
> Linux version 2.6.32-71.24.1.el6.centos.ayplus.1.i686 (build at 6beta32) (gcc versi
> on 4.4.4 20100630 (Red Hat 4.4.4-10) (GCC) ) #1 SMP Fri Apr 8 17:23:21 PDT 2011
> KERNEL supported cpus:
>   Intel GenuineIntel
>   AMD AuthenticAMD
>   NSC Geode by NSC
>   Cyrix CyrixInstead
>   Centaur CentaurHauls
>   Transmeta GenuineTMx86
>   Transmeta TransmetaCPU
>   UMC UMC UMC UMC
> UNSUPPORTED HARDWARE DEVICE: Centaur Processor
> ------------[ cut here ]------------
> WARNING: at kernel/unsupported.c:13 mark_hardware_unsupported+0x37/0x40() (Not t
> ainted)
> Your hardware is unsupported.  Please do not report bugs, panics, oopses, etc.,
> on this hardware.
> Modules linked in:
> Pid: 0, comm: swapper Not tainted 2.6.32-71.24.1.el6.centos.ayplus.1.i686 #1
> Call Trace:
>  [<c0450201>] ? warn_slowpath_common+0x81/0xc0
>  [<c0477e67>] ? mark_hardware_unsupported+0x37/0x40
>  [<c0477e67>] ? mark_hardware_unsupported+0x37/0x40
>  [<c0450293>] ? warn_slowpath_fmt_taint+0x33/0x40
>  [<c0477e67>] ? mark_hardware_unsupported+0x37/0x40
>  [<c08056eb>] ? early_init_centaur+0xd/0x2d
>  [<c0a49835>] ? early_cpu_init+0x11a/0x13e
>  [<c0a453b3>] ? setup_arch+0x38/0xb90
>  [<c0450d3e>] ? vprintk+0x1ae/0x490
>  [<c080ba2a>] ? printk+0x17/0x1d
>  [<c0a5a4ee>] ? cgroup_init_subsys+0xcf/0xdb
>  [<c0a406da>] ? start_kernel+0xca/0x3a4
> ---[ end trace a7919e7f17c0a725 ]---
> Disabling lock debugging due to kernel taint
>
>
>
> I traced it down to this code, which is not in the standard kernel.org kernel-2.6.32.36:
> from kernel-2.6.32.36
> static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
> {
>     switch (c->x86) {
>
>
> from 2.6.32-71.24.1.el6.ayplus
> arch/x86/kernel/cpu/centaur.c
>
> static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
> {
>         mark_hardware_unsupported("Centaur Processor"); <<<<<<<<<<
>         switch (c->x86) {
>
>
>
>
>
> Thanks,
>
>
>
FYI.
Replying to my own E-Mail after running
2.6.32-71.24.1.el6 from SL. I can report that I have
been having lockups (hangs) on three different via centaur processor boxes.
The hangs require power cycling the boxes.


-- 
Stephen Clark
*NetWolves*
Sr. Software Engineer III
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
http://www.netwolves.com
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