sisnk...@gmail.com (Stefan Kempf), 2016.02.01 (Mon) 19:13 (CET):
> Marcus MERIGHI wrote:
> > sisnk...@gmail.com (Stefan Kempf), 2016.01.30 (Sat) 10:49 (CET):
> > > We need to see how it looks like from within the kernel (and whether
> > > the illegal instruction is really raised from within sendsig()). Can you
> > > try the diff below?
> >
> > > You should get a kernel panic now instead of an illegal instruction
> > > signal if you try running ping or top. We need the output of the panic
> > > message and the output of the following commands:
> >
> > ping(1), top(1) messed up the screen.
> >
> > # ping 192.168.188.189
> > PING 192.168.188.189 (192.168.188.189): 56 data bytes
> > 64 bytes from 192.168.188.189: icmp_seq=0 ttl=255 time=166.533 ms
> > panic: sendsig 1: fxsave 0xffff800032c8a000, sp 0x7f7fff0d20b1,
> > fxave_size 512, savefpu_size 832, fpu_save_len 15773951, tf_rsp
> > 0x7f7ffffdd238, userstack 1
>
> fpu_save_len is way too large (0xf0b0ff in hex). It should be 832 at
> most. And that causes the kernel to attempt writes outside of the
> process stack (and/or to read beyond the saved FPU state).
>
> Either the value we get from CPUID is strange (or we handle CPUID
> wrongly), or something trashes fpu_save_len.
>
> Can you try this diff and paste the "cpuid1:" "cpuid2:" lines? Please
> revert the previous diff. That will show us what CPUID returns.
Twice in dmesg:
cpuid1: ebx: 0xf0b0ff
cpuid2: fpu_save_len: 0xf0b0ff, ebx: 0xf0b0ff
cpuid1: ebx: 0xf0b0ff
cpuid2: fpu_save_len: 0xf0b0ff, ebx: 0xf0b0ff
Full dmesg attached.
Thanks once more, Marcus
OpenBSD 5.9 (GENERIC.MP) #3: Tue Feb 2 10:31:48 CET 2016
fifi@dax:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 4161052672 (3968MB)
avail mem = 4030750720 (3844MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xeb530 (73 entries)
bios0: vendor American Megatrends Inc. version "1.03" date 08/09/2013
bios0: Shuttle Inc. DS47D
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP APIC FPDT MCFG SLIC HPET SSDT SSDT SSDT
acpi0: wakeup devices P0P1(S4) USB1(S3) USB2(S3) USB3(S3) USB4(S3) USB5(S3)
USB6(S3) USB7(S3) PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4)
PXSX(S4) RP04(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Celeron(R) CPU 847 @ 1.10GHz, 1097.68 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,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,NXE,LONG,LAHF,PERF,ITSC
cpu0: 256KB 64b/line 8-way L2 cache
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpuid1: ebx: 0xf0b0ff
cpuid2: fpu_save_len: 0xf0b0ff, ebx: 0xf0b0ff
cpu0: apic clock running at 99MHz
cpu0: mwait min=23041, max=45311 (bogus)
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Celeron(R) CPU 847 @ 1.10GHz, 1097.51 MHz
cpu1:
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,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,NXE,LONG,LAHF,PERF,ITSC
cpu1: 256KB 64b/line 8-way L2 cache
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (P0P1)
acpiprt2 at acpi0: bus 1 (RP01)
acpiprt3 at acpi0: bus 2 (RP02)
acpiprt4 at acpi0: bus 3 (RP03)
acpiprt5 at acpi0: bus 4 (RP04)
acpiprt6 at acpi0: bus -1 (RP05)
acpiprt7 at acpi0: bus -1 (RP06)
acpiprt8 at acpi0: bus -1 (RP07)
acpiprt9 at acpi0: bus -1 (RP08)
acpiprt10 at acpi0: bus -1 (PEG0)
acpiprt11 at acpi0: bus -1 (PEG1)
acpiprt12 at acpi0: bus -1 (PEG2)
acpiprt13 at acpi0: bus -1 (PEG3)
acpiec0 at acpi0: not present
acpicpu0 at acpi0: C1(@1 halt!), PSS
acpicpu1 at acpi0: C1(@1 halt!), PSS
acpipwrres0 at acpi0: FN00, resource for FAN0
acpipwrres1 at acpi0: FN01, resource for FAN1
acpipwrres2 at acpi0: FN02, resource for FAN2
acpipwrres3 at acpi0: FN03, resource for FAN3
acpipwrres4 at acpi0: FN04, resource for FAN4
acpitz0 at acpi0: critical temperature is 101 degC
acpitz1 at acpi0: critical temperature is 101 degC
acpibat0 at acpi0: BAT0 not present
acpibat1 at acpi0: BAT1 not present
acpibat2 at acpi0: BAT2 not present
acpibtn0 at acpi0: PWRB
acpibtn1 at acpi0: LID0
acpivideo0 at acpi0: GFX0
cpu0: Enhanced SpeedStep 1097 MHz: speeds: 1100, 1000, 900, 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 2000" rev 0x09
drm0 at inteldrm0
inteldrm0: msi
inteldrm0: 1280x1024
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 16
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi
azalia0: codecs: Realtek ALC662, Intel/0x2806, using Realtek ALC662
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4: msi
pci1 at ppb0 bus 1
iwn0 at pci1 dev 0 function 0 "Intel Wireless WiFi Link 4965" rev 0x61: msi,
MIMO 2T3R, MoW2, address 00:21:5c:04:ca:5f
ppb1 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4: msi
pci2 at ppb1 bus 2
re0 at pci2 dev 0 function 0 "Realtek 8168" rev 0x0c: RTL8168G/8111G (0x4c00),
msi, address 80:ee:73:77:d5:a9
rgephy0 at re0 phy 7: RTL8251 PHY, rev. 0
ppb2 at pci0 dev 28 function 2 "Intel 7 Series PCIE" rev 0xc4: msi
pci3 at ppb2 bus 3
xhci0 at pci3 dev 0 function 0 "ASMedia ASM1042A xHCI" rev 0x00: msi
usb1 at xhci0: USB revision 3.0
uhub1 at usb1 "ASMedia xHCI root hub" rev 3.00/1.00 addr 1
ppb3 at pci0 dev 28 function 3 "Intel 7 Series PCIE" rev 0xc4: msi
pci4 at ppb3 bus 4
re1 at pci4 dev 0 function 0 "Realtek 8168" rev 0x0c: RTL8168G/8111G (0x4c00),
msi, address 80:ee:73:77:d5:a8
rgephy1 at re1 phy 7: RTL8251 PHY, rev. 0
ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 23
usb2 at ehci1: USB revision 2.0
uhub2 at usb2 "Intel EHCI root hub" rev 2.00/1.00 addr 1
pcib0 at pci0 dev 31 function 0 "Intel NM70 LPC" rev 0x04
ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3
ahci0: port 2: 3.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 2 lun 0: <ATA, TS8GMSM610, 2013> SCSI3 0/direct fixed
t10.ATA_TS8GMSM610_A93797112253B1000021
sd0: 7641MB, 512 bytes/sector, 15649200 sectors
ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 2 int 18
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-10600 SO-DIMM
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
it0 at isa0 port 0x2e/2: IT8728F rev 1, EC port 0xa30
uhub3 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
run0 at uhub3 port 1 configuration 1 interface 0 "Ralink 802.11 n WLAN" rev
2.00/1.01 addr 3
run0: MAC/BBP RT2860 (rev 0x0101), RF RT2820 (MIMO 2T2R), address
00:1b:11:c6:b1:45
uhub4 at uhub2 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
umass0 at uhub4 port 2 configuration 1 interface 0 "Generic USB Storage" rev
2.00/94.54 addr 3
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <Generic, STORAGE DEVICE, 9454> SCSI0 0/direct
removable
uhidev0 at uhub4 port 3 configuration 1 interface 0 "Jing Mold Rx504B
Ver:3.03" rev 2.00/3.10 addr 4
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev1 at uhub4 port 3 configuration 1 interface 1 "Jing Mold Rx504B
Ver:3.03" rev 2.00/3.10 addr 4
uhidev1: iclass 3/1, 5 report ids
ums0 at uhidev1 reportid 1: 3 buttons, Z dir
wsmouse0 at ums0 mux 0
uhid0 at uhidev1 reportid 2: input=2, output=0, feature=0
uhid1 at uhidev1 reportid 3: input=2, output=0, feature=0
uhid2 at uhidev1 reportid 4: input=2, output=0, feature=0
uhid3 at uhidev1 reportid 5: input=7, output=7, feature=0
umass1 at uhub4 port 4 configuration 1 interface 0 "Generic Mass Storage" rev
2.00/1.0e addr 5
umass1: using SCSI over Bulk-Only
scsibus3 at umass1: 2 targets, initiator 0
sd2 at scsibus3 targ 1 lun 0: <Generic, Flash Disk, 8.07> SCSI2 0/direct
removable
sd2: 7680MB, 512 bytes/sector, 15728640 sectors
vscsi0 at root
scsibus4 at vscsi0: 256 targets
softraid0 at root
scsibus5 at softraid0: 256 targets
root on sd2a (21f0b3cdd8d0af2e.a) swap on sd2b dump on sd2b
cpuid1: ebx: 0xf0b0ff
cpuid2: fpu_save_len: 0xf0b0ff, ebx: 0xf0b0ff
arp: attempt to add entry for 192.168.188.103 on iwn0 by 00:21:6a:8c:3d:9c on
run0
