from:"Roman Kravchuk"

Kernel panic on current amd64 running under Ubuntu KVM (patch included)

2013-05-20 Thread Roman Kravchuk

Hello bugs@,

I'm have problem with run OpenBSD current amd64 as guest in KVM hypervisor
on Ubuntu server with AMD CPU.

Host OS: Ubuntu 12.04 TLS
Host CPU: AMD Phenom(tm) II X4 975 Processor stepping 03
Host kernel: Linux M720-US3 3.2.0-43-generic #68-Ubuntu SMP Wed May 15
03:33:33 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
qemu-kvm: 1.2.0+dfsg-0~12.04~ppa0
seabios: 1.7.0-1


OpenBSD crash:

acpiprt0 at acpi0: bus 0 (PCI0)
mpbios0 at bios0: Intel MP Specification 1.4
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD Phenom(tm) 9550 Quad-Core Processor, 3600.53 MHz
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF
LUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,POPCNT,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,LAHF,CM
PLEG,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB
64b/line 1
6-way L2 cache
cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
kernel: protection fault trap, code=0
Stopped at aesni_setup+0x1a0: rdmsr
aesni_setup() at aesni setup+0x1a0
amd64_errata() at amd64 errata+0xc9
identifycpu() at identifycpu+0x729
cpu attach() at cpu_attach+0x2ce
config_attach() at config_attach+0x1d4
mpbios_cpu() at mpbios_cpu+0x5b
mpbios_scan() at mpbios_scan+0x355
config_attach() at config_attach+0x1d4
bios_attach() at bios_attach+0x296
config_attach() at config_attach+0x1d4
end trace frame: 0x81de9e30, count: 0
ddb{0}


ddb{0} trace
aesni_setup() at aesni_setup+0x1a0
amd64_errata() at amd64_errata+0xc9
identifycpu() at identifycpu+0x729
cpu_attach() at cpu_attach+0x2ce
config_attach() at config_attach+0x1d4
mpbios_cpu() at mpbios_cpu+0x5b
mpbios_scan() at mpbios_scan+0x355
config_attach() at config_attach+0x1d4
bios_attach() at bios_attach+0x296
config_attach() at config_attach+0x1d4
mainbus_attach() at mainbus_attach+0x5b
config_attach() at config_attach+0x1d4
cpu_configure() at cpu_configure+0x17
main() at main+0x3f5
end trace frame: 0x0, count: -14
ddb{0}

ddb{0}ps
  PID PPID PGRP UID S FLAGS WAIT COMMAND
*0  -10 0  7  0x200  swapper
ddb{0}



After ported and applied patch from NetBSD (
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/x86/x86/errata.c.diff?r1=1.20r2=1.21only_with_tag=MAINf=h
),
OpenBSD run without crash:

OpenBSD 5.3-current (GENERIC.MP) #0: Mon May 20 02:56:29 EEST 2013
root@buildbox.local:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 1056956416 (1007MB)
avail mem = 1021165568 (973MB)
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xfd970 (11 entries)
bios0: vendor Bochs version Bochs date 01/01/2007
bios0: Bochs Bochs
acpi0 at bios0: rev 0
acpi0: sleep states S3 S4 S5
acpi0: tables DSDT FACP SSDT APIC HPET SSDT
acpi0: wakeup devices
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee0: PC-AT compat
acpihpet0 at acpi0: 1 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
mpbios0 at bios0: Intel MP Specification 1.4
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD Phenom(tm) 9550 Quad-Core Processor, 3600.47 MHz
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,POPCNT,RAZ,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB
64b/line 16-way L2 cache
cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: apic clock running at 999MHz
cpu1 at mainbus0: apid 1 (application processor)
cpu1: AMD Phenom(tm) 9550 Quad-Core Processor, 3600.30 MHz
cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,POPCNT,RAZ,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP
cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB
64b/line 16-way L2 cache
cpu1: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu1: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
mpbios0: bus 0 is type PCI
mpbios0: bus 1 is type ISA
ioapic0 at mainbus0: apid 2 pa 0xfec0, version 11, 24 pins
ioapic0: misconfigured as apic 0, remapped to apid 2
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 Intel 82441FX rev 0x02
pcib0 at pci0 dev 1 function 0 Intel 82371SB ISA rev 0x00
pciide0 at pci0 dev 1 function 1 Intel 82371SB IDE rev 0x00: DMA, channel
0 wired to compatibility, channel 1 wired to compatibility
pciide0: channel 0 disabled (no drives)
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: QEMU, QEMU DVD-ROM, 1.0 ATAPI 5/cdrom
removable
cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
uhci0 at pci0 dev 1 function 2 Intel 82371SB USB rev 0x01: apic 2 int 11
piixpm0 at pci0 dev 1 function 3 Intel 82371AB Power rev 0x03: apic 2 int
9
iic0 at piixpm0
iic0: addr

Re: Kernel panic on current amd64 running under Ubuntu KVM (patch included)

2013-05-20 Thread Roman Kravchuk

patch_amd64errata.diff

Index: amd64/amd64/amd64errata.c
===
RCS file: /cvs/src/sys/arch/amd64/amd64/amd64errata.c,v
retrieving revision 1.3
diff -u -p -u -p -r1.3 amd64errata.c
--- amd64/amd64/amd64errata.c27 Mar 2012 05:59:46 -1.3
+++ amd64/amd64/amd64errata.c19 May 2013 23:48:11 -
@@ -293,6 +293,9 @@ amd64_errata(struct cpu_info *ci)
 int found = 0;
 int corrected = 0;

+if (ci-ci_feature_eflags  CPUIDECX_RAZ)
+return;
+
 CPUID(0x8001, code, dummy, dummy, dummy);

 for (i = 0; ; i += 2) {
Index: amd64/amd64/identcpu.c
===
RCS file: /cvs/src/sys/arch/amd64/amd64/identcpu.c,v
retrieving revision 1.47
diff -u -p -u -p -r1.47 identcpu.c
--- amd64/amd64/identcpu.c6 May 2013 04:32:12 -1.47
+++ amd64/amd64/identcpu.c19 May 2013 23:48:11 -
@@ -129,6 +129,7 @@ const struct {
 { CPUIDECX_AVX,AVX },
 { CPUIDECX_F16C,F16C },
 { CPUIDECX_RDRAND,RDRAND },
+{ CPUIDECX_RAZ,RAZ }
 }, cpu_ecpuid_ecxfeatures[] = {
 { CPUIDECX_LAHF,LAHF },
 { CPUIDECX_CMPLEG,CMPLEG },
Index: amd64/include/specialreg.h
===
RCS file: /cvs/src/sys/arch/amd64/include/specialreg.h,v
retrieving revision 1.25
diff -u -p -u -p -r1.25 specialreg.h
--- amd64/include/specialreg.h6 May 2013 04:32:12 -1.25
+++ amd64/include/specialreg.h19 May 2013 23:48:11 -
@@ -158,6 +158,7 @@
 #defineCPUIDECX_AVX0x1000/* Advanced Vector Extensions */
 #defineCPUIDECX_F16C0x2000/* 16bit fp conversion  */
 #defineCPUIDECX_RDRAND0x4000/* RDRAND instruction  */
+#defineCPUIDECX_RAZ0x8000/* RAZ. Indicates guest state. */

 /*
  * Structured Extended Feature Flags Parameters (CPUID function 0x7,
leaf 0)

Re: Kernel panic on current amd64 running under Ubuntu KVM (patch included)

2013-05-20 Thread Roman Kravchuk

$ cat patch_amd64errata.diff

Index: amd64/amd64/amd64errata.c
===
RCS file: /cvs/src/sys/arch/amd64/amd64/amd64errata.c,v
retrieving revision 1.3
diff -u -p -u -p -r1.3 amd64errata.c
--- amd64/amd64/amd64errata.c27 Mar 2012 05:59:46 -1.3
+++ amd64/amd64/amd64errata.c19 May 2013 23:48:11 -
@@ -293,6 +293,9 @@ amd64_errata(struct cpu_info *ci)
 int found = 0;
 int corrected = 0;

+if (ci-ci_feature_eflags  CPUIDECX_RAZ)
+return;
+
 CPUID(0x8001, code, dummy, dummy, dummy);

 for (i = 0; ; i += 2) {
Index: amd64/amd64/identcpu.c
===
RCS file: /cvs/src/sys/arch/amd64/amd64/identcpu.c,v
retrieving revision 1.47
diff -u -p -u -p -r1.47 identcpu.c
--- amd64/amd64/identcpu.c6 May 2013 04:32:12 -1.47
+++ amd64/amd64/identcpu.c19 May 2013 23:48:11 -
@@ -129,6 +129,7 @@ const struct {
 { CPUIDECX_AVX,AVX },
 { CPUIDECX_F16C,F16C },
 { CPUIDECX_RDRAND,RDRAND },
+{ CPUIDECX_RAZ,RAZ }
 }, cpu_ecpuid_ecxfeatures[] = {
 { CPUIDECX_LAHF,LAHF },
 { CPUIDECX_CMPLEG,CMPLEG },
Index: amd64/include/specialreg.h
===
RCS file: /cvs/src/sys/arch/amd64/include/specialreg.h,v
retrieving revision 1.25
diff -u -p -u -p -r1.25 specialreg.h
--- amd64/include/specialreg.h6 May 2013 04:32:12 -1.25
+++ amd64/include/specialreg.h19 May 2013 23:48:11 -
@@ -158,6 +158,7 @@
 #defineCPUIDECX_AVX0x1000/* Advanced Vector Extensions */
 #defineCPUIDECX_F16C0x2000/* 16bit fp conversion  */
 #defineCPUIDECX_RDRAND0x4000/* RDRAND instruction  */
+#defineCPUIDECX_RAZ0x8000/* RAZ. Indicates guest state. */

 /*
  * Structured Extended Feature Flags Parameters (CPUID function 0x7,
leaf 0)


2013/5/20 Roman Kravchuk kravchuk...@gmail.com

 Hello bugs@,

 I'm have problem with run OpenBSD current amd64 as guest in KVM hypervisor
 on Ubuntu server with AMD CPU.

 Host OS: Ubuntu 12.04 TLS
 Host CPU: AMD Phenom(tm) II X4 975 Processor stepping 03
 Host kernel: Linux M720-US3 3.2.0-43-generic #68-Ubuntu SMP Wed May 15
 03:33:33 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
 qemu-kvm: 1.2.0+dfsg-0~12.04~ppa0
 seabios: 1.7.0-1


 OpenBSD crash:

 acpiprt0 at acpi0: bus 0 (PCI0)
 mpbios0 at bios0: Intel MP Specification 1.4
 cpu0 at mainbus0: apid 0 (boot processor)
 cpu0: AMD Phenom(tm) 9550 Quad-Core Processor, 3600.53 MHz
 cpu0:
 FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF

 LUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,POPCNT,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,LAHF,CM
 PLEG,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP
 cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB
 64b/line 1
 6-way L2 cache
 cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
 cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
 kernel: protection fault trap, code=0
 Stopped at aesni_setup+0x1a0: rdmsr
 aesni_setup() at aesni setup+0x1a0
 amd64_errata() at amd64 errata+0xc9
 identifycpu() at identifycpu+0x729
 cpu attach() at cpu_attach+0x2ce
 config_attach() at config_attach+0x1d4
 mpbios_cpu() at mpbios_cpu+0x5b
 mpbios_scan() at mpbios_scan+0x355
 config_attach() at config_attach+0x1d4
 bios_attach() at bios_attach+0x296
 config_attach() at config_attach+0x1d4
 end trace frame: 0x81de9e30, count: 0
 ddb{0}


 ddb{0} trace
 aesni_setup() at aesni_setup+0x1a0
 amd64_errata() at amd64_errata+0xc9
 identifycpu() at identifycpu+0x729
 cpu_attach() at cpu_attach+0x2ce
 config_attach() at config_attach+0x1d4
 mpbios_cpu() at mpbios_cpu+0x5b
 mpbios_scan() at mpbios_scan+0x355
 config_attach() at config_attach+0x1d4
 bios_attach() at bios_attach+0x296
 config_attach() at config_attach+0x1d4
 mainbus_attach() at mainbus_attach+0x5b
 config_attach() at config_attach+0x1d4
 cpu_configure() at cpu_configure+0x17
 main() at main+0x3f5
 end trace frame: 0x0, count: -14
 ddb{0}

 ddb{0}ps
   PID PPID PGRP UID S FLAGS WAIT COMMAND
 *0  -10 0  7  0x200  swapper
 ddb{0}



 After ported and applied patch from NetBSD (
 http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/x86/x86/errata.c.diff?r1=1.20r2=1.21only_with_tag=MAINf=h
 ),
 OpenBSD run without crash:

 OpenBSD 5.3-current (GENERIC.MP) #0: Mon May 20 02:56:29 EEST 2013
 root@buildbox.local:/usr/src/sys/arch/amd64/compile/GENERIC.MP
 real mem = 1056956416 (1007MB)
 avail mem = 1021165568 (973MB)
 mainbus0 at root
 bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xfd970 (11 entries)
 bios0: vendor Bochs version Bochs date 01/01/2007
 bios0: Bochs Bochs
 acpi0 at bios0: rev 0
 acpi0: sleep states S3 S4 S5
 acpi0: tables DSDT FACP SSDT APIC HPET SSDT
 acpi0: wakeup devices
 acpitimer0 at acpi0: 3579545 Hz, 24 bits
 acpimadt0 at acpi0 addr 0xfee0: PC

Kernel panic on current amd64 running under Ubuntu KVM (patch included)

Re: Kernel panic on current amd64 running under Ubuntu KVM (patch included)

Re: Kernel panic on current amd64 running under Ubuntu KVM (patch included)

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