linux-kernel - Re: regression - 2.6.36 -> 2.6.37 - kvm

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Date:	Mon, 28 Feb 2011 18:13:25 +0100
From:	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
To:	Zachary Amsden <zamsden@...hat.com>
Cc:	Nikola Ciprich <extmaillist@...uxbox.cz>,
	Avi Kivity <avi@...hat.com>, KVM list <kvm@...r.kernel.org>,
	Linux kernel list <linux-kernel@...r.kernel.org>
Subject: Re: regression - 2.6.36 -> 2.6.37 - kvm - 32bit SMP guests don't
	boot

> cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		  : 30
model name	  : Intel(R) Xeon(R) CPU           X3440  @ 2.53GHz
stepping	  : 5
cpu MHz		    : 2533.185
cache size	    : 8192 KB
physical id	    : 0
siblings : 8
core id	   : 0
cpu cores  : 4
apicid	     : 0
initial apicid : 0
fpu	       : yes
fpu_exception  : yes
cpuid level    : 11
wp    	       : yes
flags	       	 : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dts tpr_shadow vnmi flexpriority ept vpid
bogomips	 : 5066.37
clflush size	 : 64
cache_alignment	 : 64
address sizes	 : 36 bits physical, 48 bits virtual
power management:
.
.
.
.
.
processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		  : 30
model name	  : Intel(R) Xeon(R) CPU           X3440  @ 2.53GHz
stepping	  : 5
cpu MHz		    : 2533.185
cache size	    : 8192 KB
physical id	    : 0
siblings : 8
core id	   : 3
cpu cores  : 4
apicid	     : 7
initial apicid : 7
fpu	       : yes
fpu_exception  : yes
cpuid level    : 11
wp    	       : yes
flags	       	 : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dts tpr_shadow vnmi flexpriority ept vpid
bogomips	 : 5066.35
clflush size	 : 64
cache_alignment	 : 64
address sizes	 : 36 bits physical, 48 bits virtual
power management:


> cat /sys/devices/system/clocksource/clocksource0/current_clocksource
[root@...x5 ~]# cat /sys/devices/system/clocksource/clocksource0/current_clocksource
tsc


>
> and grep -i dmesg for these keywords: TSC, clock, hpet, stable, khz, kvm
[root@...x5 ~]# dmesg | grep -i "tsc\|clock\|hpet\|stable\|stable\|khz\|kvm"
[    0.000000] ACPI: HPET 00000000bf7aa5f0 00038 (v01 052710 OEMHPET  20100527 MSFT 00000097)
[    0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[    0.000000] hpet clockevent registered
[    0.000000] Fast TSC calibration using PIT
[    1.148829] HPET: 8 timers in total, 5 timers will be used for per-cpu timer
[    1.148934] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 40, 41, 42, 43, 44, 0
[    1.149331] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
[    1.151831] hpet: hpet2 irq 40 for MSI
[    1.151962] hpet: hpet3 irq 41 for MSI
[    1.155930] hpet: hpet4 irq 42 for MSI
[    1.159937] hpet: hpet5 irq 43 for MSI
[    1.163943] hpet: hpet6 irq 44 for MSI
[    1.175955] Switching to clocksource tsc
[    1.260015] CE: hpet3 increased min_delta_ns to 7500 nsec
[    1.260117] CE: hpet3 increased min_delta_ns to 11250 nsec
[    1.294150] Real Time Clock Driver v1.12b
[    7.564355] CE: hpet4 increased min_delta_ns to 7500 nsec
[    7.564367] CE: hpet4 increased min_delta_ns to 11250 nsec
[  299.307242] CE: hpet2 increased min_delta_ns to 7500 nsec
[  299.307251] CE: hpet2 increased min_delta_ns to 11250 nsec
[ 1414.616685] CE: hpet5 increased min_delta_ns to 7500 nsec
[ 1414.616694] CE: hpet5 increased min_delta_ns to 11250 nsec
[ 5241.474310] CE: hpet6 increased min_delta_ns to 7500 nsec
[ 5241.474321] CE: hpet6 increased min_delta_ns to 11250 nsec


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