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Re: Is Debian 9 supposed to work on a Geode?




On Sun 28 Apr 2019 at 19:49:18 +0200, Jonas Smedegaard wrote:

> Quoting Björn Persson (2019-04-28 18:43:48)
> > I have a small server with a Geode processor – Geode LX 500 MHz 
> > according to the BIOS boot screen – which I needed to upgrade from 
> > Debian 8 to Debian 9. I know that Debian has dropped support for i586, 
> > but I haven't been able to find a definitive answer to how that 
> > affects Geodes. What little I could find on the Web seemed to suggest 
> > that Geodes are mostly like i686, which is supposed to still be 
> > supported by Debian 9, so I decided to try it, took a backup, and took 
> > the plunge.
> > 
> > It turns out that the kernel from Debian 9 won't boot. Both Linux 
> > 4.9.0-8-686 and 4.9.0-9-686 appear to hang early in the boot process. 
> > Everything else seems to work, so right now I'm running Debian 9 on 
> > Linux 3.16.0-8-586 from Debian 8. This works for now, but it's 
> > obviously not a long-term solution.
> > 
> > So my question is: Is the Geode LX among the dropped processors, or is 
> > the hang a bug that should be fixed?
> 
> The officially supported CPUs - and how to check if yours is covered:
> https://www.debian.org/releases/stable/i386/release-notes/ch-information.da.html#i386-is-now-almost-i686
> 
> Some background on why the cut is there exactly: 
> https://lists.debian.org/20161017131747.wbvvhjemegs43o7u@xxxxxxxxxxxxx

And also here:

https://lists.debian.org/debian-devel/2011/11/msg00565.html

If it helps, 'cat /proc/cpuinfo" for my running Fujitsu Siemens A250 is:

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 5
model           : 10
model name      : Geode(TM) Integrated Processor by AMD PCS
stepping        : 2
cpu MHz         : 498.046
cache size      : 128 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 0
fdiv_bug        : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu de pse tsc msr cx8 sep pge cmov clflush mmx mmxext 3dnowext 3dnow 3dnowprefetch vmmcall
bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
bogomips        : 996.09
clflush size    : 32
cache_alignment : 32
address sizes   : 32 bits physical, 32 bits virtual
power management:

brian@futro:~$ uname -a
Linux futro 4.9.0-7-686 #1 SMP Debian 4.9.110-3+deb9u1 (2018-08-03) i586 GNU/Linux

I have seen a reference to its being a Geode LX800. Sorry, I am not
rebooting to look at what the bios says as I do not want to interupt
the services it is operating.

-- 
Brian.