Hi Mark,
On Sat, Oct 24, 2015 at 11:48:01PM +0200, Mark Kettenis wrote:
> [...]
> This diff needs to be tested on a wide range of hardware. So if you
> have a machine with inteldrm(4), please give it a shot. I'm
> particularly interested in testing on an x40.
> [...]
I got a UVM fault with the following trace:
vga1 at pci0 dev 2 function 0 "Intel GM45 Video" rev 0x07
intagp0 at vga1uvm_fault(0xffffffff81932280, 0x28, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at pci_mapreg_map+0x1a8: movq %rbx,0(%rdx)
ddb{0}> pci_mapreg_map() at pci_mapreg_map+0x1a8
agp_i810_attach() at agp_i810_attach+0x177
config_attach() at config_attach+0x1bc
vga_pci_attach() at vga_pci_attach+0x17b
config_attach() at config_attach+0x1bc
pci_probe_device() at pci_probe_device+0x467
pci_enumerate_bus() at pci_enumerate_bus+0xe9
config_attach() at config_attach+0x1bc
mainbus_attach() at mainbus_attach+0x174
config_attach() at config_attach+0x1bc
cpu_configure() at cpu_configure+0x1b
main() at main+0x410
end trace frame: 0x0, count: -12
ddb{0}> rebooting...
The full dmesg is this:
OpenBSD 5.8-current (GENERIC.MP) #132: Sun Oct 25 13:28:17 CET 2015
g...@hydrogen.unobtanium.de:/sys/arch/amd64/compile/GENERIC.MP
real mem = 6314201088 (6021MB)
avail mem = 6118703104 (5835MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xe0010 (80 entries)
bios0: vendor LENOVO version "7UET94WW (3.24 )" date 10/17/2012
bios0: LENOVO 6474B84
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SSDT ECDT APIC MCFG HPET SLIC BOOT ASF! SSDT TCPA DMAR
SSDT SSDT SSDT
acpi0: wakeup devices LID_(S3) SLPB(S3) UART(S3) IGBE(S4) EXP0(S4) EXP1(S4)
EXP2(S4) EXP3(S4) EXP4(S4) PCI1(S4) USB0(S3) USB3(S3) USB5(S3) EHC0(S3)
EHC1(S3) HDEF(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpiec0 at acpi0
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM)2 Duo CPU P8600 @ 2.40GHz, 2394.40 MHz
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,NXE,LONG,LAHF,PERF,SENSOR
cpu0: 3MB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 7 var ranges, 88 fixed ranges
cpu0: apic clock running at 266MHz
cpu0: mwait min=64, max=64, C-substates=0.2.2.2.2.1.3, IBE
cpu1 at mainbus0: apid 1 (applicatioL2 cache
cpu1: smt 0, core 1, package 0
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 2, remapped to apid 1
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-63
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (AGP_)
acpiprt2 at acpi0: bus 2 (EXP0)
acpiprt3 at acpi0: bus 3 (EXP1)
acpiprt4 at acpi0: bus -1 (EXP2)
acpiprt5 at acpi0: bus 5 (EXP3)
acpiprt6 at acpi0: bus 13 (EXP4)
acpiprt7 at acpi0: bus 21 (PCI1)
acpicpu0 at acpi0: !C3(100@57 mwait.3@0x30), !C2(500@1 mwait.1@0x10), C1(1000@1
mwait.1), PSS
acpicpu1 at acpi0: !C3(100@57 mwait.3@0x30), !C2(500@1 mwait.1@0x10), C1(1000@1
mwait.1), PSS
acpipwrres0 at acpi0: PUBS, resource for USB0, USB3, USB5, EHC0, EHC1
acpitz0 at acpi0: critical temperature is 127 degC
acpitz1 at acpi0: critical temperature is 100 degC
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpibat0 at acpi0: BAT0 model "42T4645" serial 597 type LION oem "Panasonic"
acpibat1 at acpi0: BAT1 not present
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0
acpidock0 at acpi0: GDCK not docked (0)
cpu0: Enhanced SpeedStep 2394 MHz: speeds: 2401, 2400, 1600, 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel GM45 Host" rev 0x07
vga1 at pci0 dev 2 function 0 "Intel GM45 Video" rev 0x07
intagp0 at vga1uvm_fault(0xffffffff81932280, 0x28, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at pci_mapreg_map+0x1a8: movq %rbx,0(%rdx)
ddb{0}> pci_mapreg_map() at pci_mapreg_map+0x1a8
agp_i810_attach() at agp_i810_attach+0x177
config_attach() at config_attach+0x1bc
vga_pci_attach() at vga_pci_attach+0x17b
config_attach() at config_attach+0x1bc
pci_probe_device() at pci_probe_device+0x467
pci_enumerate_bus() at pci_enumerate_bus+0xe9
config_attach() at config_attach+0x1bc
mainbus_attach() at mainbus_attach+0x174
config_attach() at config_attach+0x1bc
cpu_configure() at cpu_configure+0x1b
main() at main+0x410
end trace frame: 0x0, count: -12
ddb{0}> rebooting...
--
Gregor
