RE: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-04-24 Thread Yuhong Bao
The point was that everyone can have a multi-core system for cheap these days, no real motivation for anyone anymore to use old unsupported configurations to get one. And BTW, another such old once common unsupported configuration that theLinux kernel never detected is the old dual Celerons.

[PATCH][RFC] x86: remove SMP check/taint for AMD K7 (was Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3)

2010-03-31 Thread Jiri Kosina
On Wed, 31 Mar 2010, Andi Kleen wrote: booting 32bit guest on 32bit host on AMD system gives me the following warning when KVM is instructed to boot as SMP: I guess these warnings could be just disabled. With nearly everyone using multi-core these days they are kind of obsolete anyways.

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-31 Thread Andre Przywara
Andi Kleen wrote: On Wed, Mar 31, 2010 at 01:03:02AM +0200, Jiri Kosina wrote: Hi, booting 32bit guest on 32bit host on AMD system gives me the following warning when KVM is instructed to boot as SMP: I guess these warnings could be just disabled. With nearly everyone using multi-core these

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-31 Thread Andi Kleen
I guess these warnings could be just disabled. With nearly everyone using multi-core these days they are kind of obsolete anyways. Well, the warning refers to an old single-core only CPU model. Most of those were able to run in SMP boards, but only a subset of them was officially certified

Re: [PATCH][RFC] x86: remove SMP check/taint for AMD K7 (was Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3)

2010-03-31 Thread Andi Kleen
On Wed, Mar 31, 2010 at 10:15:28AM +0200, Jiri Kosina wrote: On Wed, 31 Mar 2010, Andi Kleen wrote: booting 32bit guest on 32bit host on AMD system gives me the following warning when KVM is instructed to boot as SMP: I guess these warnings could be just disabled. With nearly

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-31 Thread Jiri Kosina
On Wed, 31 Mar 2010, Andre Przywara wrote: But the far better solution is to instruct QEMU/KVM to inject a better CPU model (as it was suggested by some people two weeks ago). I am about to test various guests with respect to their behavior regarding different family/model/stepping settings

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-31 Thread Pavel Machek
On Wed 2010-03-31 14:51:35, Andi Kleen wrote: I guess these warnings could be just disabled. With nearly everyone using multi-core these days they are kind of obsolete anyways. Well, the warning refers to an old single-core only CPU model. Most of those were able to run in SMP boards, but

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-31 Thread Andre Przywara
Jiri Kosina wrote: On Wed, 31 Mar 2010, Andre Przywara wrote: BTW.: I encourage people to test their KVM guests with -cpu host (on newer QEMUs) and send me any crash logs. I just quickly checked ... snip [0.147235] [c0528a80] init_amd+0x249/0x279 [0.148011] [c0527d74]

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-31 Thread Jiri Kosina
On Wed, 31 Mar 2010, Andre Przywara wrote: BTW.: I encourage people to test their KVM guests with -cpu host (on newer QEMUs) and send me any crash logs. I just quickly checked ... snip [0.147235] [c0528a80] init_amd+0x249/0x279 [0.148011] [c0527d74]

KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-30 Thread Jiri Kosina
Hi, booting 32bit guest on 32bit host on AMD system gives me the following warning when KVM is instructed to boot as SMP: CPU0: AMD QEMU Virtual CPU version 0.9.1 stepping 03 Booting Node 0, Processors #1 Initializing CPU#1 Leaving ESR disabled. Mapping cpu 1 to node 0 [ cut

Re: KVM warning about uncertified CPU for SMP for AMD model 2, stepping 3

2010-03-30 Thread Andi Kleen
On Wed, Mar 31, 2010 at 01:03:02AM +0200, Jiri Kosina wrote: Hi, booting 32bit guest on 32bit host on AMD system gives me the following warning when KVM is instructed to boot as SMP: I guess these warnings could be just disabled. With nearly everyone using multi-core these days they are