>Synopsis: Atheros card AR5B91 crash on mode hostap on OBSD 6.5
>Category: driver
>Environment:
System : OpenBSD 6.5
Details : OpenBSD 6.5 (GENERIC.MP) #0: Wed Apr 24 23:38:54 CEST 2019
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
Architecture: OpenBSD.amd64
Machine : amd64
>Description:
As OpenBSD 6.5 was released and installed, the athn driver on the card
(AR5B91) kept crashing.
The driver would simply echo "device timeout" on the console and
eventually, kernel would crash.
It reveals after tests that the hostap mode is guilty. Note that no
previous release made any trouble with this hardware.
>How-To-Repeat:
Putting the device up on hostap mode.
>Fix:
Putting the device down (ifconfig athn0 down) would stop it.
Putting the device out of the hostap mode (ifconfig athn0 media
-mediaopt hostap) while running.
dmesg:
OpenBSD 6.5 (GENERIC.MP) #0: Wed Apr 24 23:38:54 CEST 2019
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 2098520064 (2001MB)
avail mem = 2025345024 (1931MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0x7e16d820 (7 entries)
bios0: vendor coreboot version "4.0" date 09/08/2014
bios0: PC Engines APU
acpi0 at bios0: rev 0
acpi0: sleep states S0 S1 S3 S4 S5
acpi0: tables DSDT FACP SPCR HPET APIC HEST SSDT SSDT SSDT
acpi0: wakeup devices AGPB(S4) HDMI(S4) PBR4(S4) PBR5(S4) PBR6(S4) PBR7(S4)
PE20(S4) PE21(S4) PE22(S4) PE23(S4) PIBR(S4) UOH1(S3) UOH2(S3) UOH3(S3)
UOH4(S3) UOH5(S3) [...]
acpitimer0 at acpi0: 3579545 Hz, 32 bits
acpihpet0 at acpi0: 14318180 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD G-T40E Processor, 1000.13 MHz, 14-02-00
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,SSSE3,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,IBS,SKINIT,ITSC
cpu0: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line
16-way L2 cache
cpu0: 8 4MB entries fully associative
cpu0: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 199MHz
cpu0: mwait min=64, max=64, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: AMD G-T40E Processor, 1000.00 MHz, 14-02-00
cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,SSSE3,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,IBS,SKINIT,ITSC
cpu1: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line
16-way L2 cache
cpu1: 8 4MB entries fully associative
cpu1: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
cpu1: smt 0, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 21, 24 pins
acpiprt0 at acpi0: bus -1 (AGPB)
acpiprt1 at acpi0: bus -1 (HDMI)
acpiprt2 at acpi0: bus 1 (PBR4)
acpiprt3 at acpi0: bus 2 (PBR5)
acpiprt4 at acpi0: bus 3 (PBR6)
acpiprt5 at acpi0: bus 4 (PBR7)
acpiprt6 at acpi0: bus 6 (PE20)
acpiprt7 at acpi0: bus -1 (PE21)
acpiprt8 at acpi0: bus -1 (PE22)
acpiprt9 at acpi0: bus -1 (PE23)
acpiprt10 at acpi0: bus 0 (PCI0)
acpiprt11 at acpi0: bus 5 (PIBR)
acpicpu0 at acpi0: C2(0@100 io@0x841), C1(@1 halt!), PSS
acpicpu1 at acpi0: C2(0@100 io@0x841), C1(@1 halt!), PSS
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
acpibtn0 at acpi0: PWRB
cpu0: 1000 MHz: speeds: 1000 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "AMD AMD64 14h Host" rev 0x00
ppb0 at pci0 dev 4 function 0 "AMD AMD64 14h PCIE" rev 0x00: msi
pci1 at ppb0 bus 1
re0 at pci1 dev 0 function 0 "Realtek 8168" rev 0x06: RTL8168E/8111E (0x2c00),
msi, address 00:0d:b9:3e:a8:10
rgephy0 at re0 phy 7: RTL8169S/8110S/8211 PHY, rev. 4
ppb1 at pci0 dev 5 function 0 "AMD AMD64 14h PCIE" rev 0x00: msi
pci2 at ppb1 bus 2
re1 at pci2 dev 0 function 0 "Realtek 8168" rev 0x06: RTL8168E/8111E (0x2c00),
msi, address 00:0d:b9:3e:a8:11
rgephy1 at re1 phy 7: RTL8169S/8110S/8211 PHY, rev. 4
ppb2 at pci0 dev 6 function 0 "AMD AMD64 14h PCIE" rev 0x00: msi
pci3 at ppb2 bus 3
re2 at pci3 dev 0 function 0 "Realtek 8168" rev 0x06: RTL8168E/8111E (0x2c00),
msi, address 00:0d:b9:3e:a8:12
rgephy2 at re2 phy 7: RTL8169S/8110S/8211 PHY, rev. 4
ppb3 at pci0 dev 7 function 0 "AMD AMD64 14h PCIE" rev 0x00: msi
pci4 at ppb3 bus 4
ral0 at pci4 dev 0 function 0 "Ralink RT2790" rev 0x00: apic 2 int 19, address
00:15:af:bc:a9:5b
ral0: MAC/BBP RT2872 (rev 0x0200), RF RT2720 (MIMO 1T2R)
ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x40: apic 2 int 19, AHCI
1.2
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, KINGSTON SMS200S, 60AA> SCSI3 0/direct
fixed naa.50026b726b02a8b8
sd0: 28626MB, 512 bytes/sector, 58626288 sectors, thin
ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 18,
version 1.0, legacy support
ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 17
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00
addr 1
ohci1 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 18,
version 1.0, legacy support
ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 17
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00
addr 1
piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x42: polling
iic0 at piixpm0
pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x40
ppb4 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x40
pci5 at ppb4 bus 5
ohci2 at pci0 dev 20 function 5 "ATI SB700 USB" rev 0x00: apic 2 int 18,
version 1.0, legacy support
ppb5 at pci0 dev 21 function 0 "ATI SB800 PCIE" rev 0x00
pci6 at ppb5 bus 6
athn0 at pci6 dev 0 function 0 "Atheros AR9281" rev 0x01: apic 2 int 16
athn0: AR9280 rev 2 (1T2R), ROM rev 16, address 00:24:2b:72:d1:df
ohci3 at pci0 dev 22 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 18,
version 1.0, legacy support
ehci2 at pci0 dev 22 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 17
usb2 at ehci2: USB revision 2.0
uhub2 at usb2 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00
addr 1
pchb1 at pci0 dev 24 function 0 "AMD AMD64 14h Link Cfg" rev 0x43
pchb2 at pci0 dev 24 function 1 "AMD AMD64 14h Address Map" rev 0x00
pchb3 at pci0 dev 24 function 2 "AMD AMD64 14h DRAM Cfg" rev 0x00
km0 at pci0 dev 24 function 3 "AMD AMD64 14h Misc Cfg" rev 0x00
pchb4 at pci0 dev 24 function 4 "AMD AMD64 14h CPU Power" rev 0x00
pchb5 at pci0 dev 24 function 5 "AMD AMD64 14h Reserved" rev 0x00
pchb6 at pci0 dev 24 function 6 "AMD AMD64 14h NB Power" rev 0x00
pchb7 at pci0 dev 24 function 7 "AMD AMD64 14h Reserved" rev 0x00
usb3 at ohci0: USB revision 1.0
uhub3 at usb3 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00
addr 1
usb4 at ohci1: USB revision 1.0
uhub4 at usb4 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00
addr 1
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
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
wbsio0 at isa0 port 0x2e/2: NCT5104D rev 0x52
usb5 at ohci2: USB revision 1.0
uhub5 at usb5 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00
addr 1
usb6 at ohci3: USB revision 1.0
uhub6 at usb6 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00
addr 1
vmm0 at mainbus0: SVM/RVI
umass0 at uhub2 port 1 configuration 1 interface 0 "Generic Flash Card
Reader/Writer" rev 2.01/1.00 addr 2
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <Multiple, Card Reader, 1.00> SCSI2 0/direct
removable serial.058f6366058F63666485
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd0a (f8a6915e5f899293.a) swap on sd0b dump on sd0b
usbdevs:
Controller /dev/usb0:
addr 01: 1002:0000 ATI, EHCI root hub
high speed, self powered, config 1, rev 1.00
driver: uhub0
Controller /dev/usb1:
addr 01: 1002:0000 ATI, EHCI root hub
high speed, self powered, config 1, rev 1.00
driver: uhub1
Controller /dev/usb2:
addr 01: 1002:0000 ATI, EHCI root hub
high speed, self powered, config 1, rev 1.00
driver: uhub2
addr 02: 058f:6366 Generic, Flash Card Reader/Writer
high speed, power 100 mA, config 1, rev 1.00, iSerial 058F63666485
driver: umass0
Controller /dev/usb3:
addr 01: 1002:0000 ATI, OHCI root hub
full speed, self powered, config 1, rev 1.00
driver: uhub3
Controller /dev/usb4:
addr 01: 1002:0000 ATI, OHCI root hub
full speed, self powered, config 1, rev 1.00
driver: uhub4
Controller /dev/usb5:
addr 01: 1002:0000 ATI, OHCI root hub
full speed, self powered, config 1, rev 1.00
driver: uhub5
Controller /dev/usb6:
addr 01: 1002:0000 ATI, OHCI root hub
full speed, self powered, config 1, rev 1.00
driver: uhub6
It did happen one or two times during tests that just as I put the device out
of hostap, then a kernel crash would occur.
