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panic pmap_tlb_intersecting_active_p on RPI2
I'm seeing a panic with a recently built -current (a couple of instances here):
Source tree Date: Fri Jul 15 19:42:08 2016 +0000
db{0}> dmesg
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
The NetBSD Foundation, Inc. All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
NetBSD 7.99.34 (RPI2) #2: Sat Jul 16 10:40:31 PDT 2016
michael@scrodge:/usr/home/michael/netbsd/usr/src/sys/arch/evbarm/compile
/obj/RPI2
total memory = 944 MB
avail memory = 925 MB
sysctl_createv: sysctl_create(machine_arch) returned 17
timecounter: Timecounters tick every 10.000 msec
mainbus0 (root)
cpu0 at mainbus0 core 0: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu0: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu0: 32KB/32B 2-way L1 VIPT Instruction cache
cpu0: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu0: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp0 at cpu0: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
cpu1 at mainbus0 core 1
cpu2 at mainbus0 core 2
cpu3 at mainbus0 core 3
obio0 at mainbus0
bcmicu0 at obio0: Multiprocessor
armgtmr0 at obio0: ARMv7 Generic 64-bit Timer (19200 kHz)
armgtmr0: interrupting on irq 3
timecounter: Timecounter "armgtmr0" frequency 19200000 Hz quality 500
bcmmbox0 at obio0 intr 193: VC mailbox
vcmbox0 at bcmmbox0
vchiq0 at obio0 intr 194: BCM2835 VCHIQ
bcmpm0 at obio0: Power management, Reset and Watchdog controller
bcmdmac0 at obio0: DMA0 DMA2 DMA4 DMA5 DMA8 DMA9 DMA10
bcmrng0 at obio0: RNG
plcom0 at obio0 intr 185
plcom0: txfifo disabled
plcom0: console
genfb0 at obio0
genfb0: framebuffer at 0xfd876000, size 1280x720, depth 32, stride 5120
wsdisplay0 at genfb0 kbdmux 1
wsmux1: connecting to wsdisplay0
wsdisplay0: screen 0-3 added (default, vt100 emulation)
sdhc0 at obio0 intr 190: SDHC controller
sdhc0: interrupting on intr 190
dwctwo0 at obio0 intr 137: USB controller
bcmspi0 at obio0 intr 182: SPI
spi0 at bcmspi0: SPI bus
bsciic0 at obio0 intr 181: BSC0
iic0 at bsciic0: I2C bus
bsciic1 at obio0 intr 181: BSC1
iic1 at bsciic1: I2C bus
bcmgpio0 at obio0: GPIO [0...31]
gpio0 at bcmgpio0: 32 pins
bcmgpio1 at obio0: GPIO [32...53]
gpio1 at bcmgpio1: 22 pins
bcmcm at obio0 not configured
bcmpwm at obio0 not configured
usb0 at dwctwo0: USB revision 2.0
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
cpu1: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu1: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu1: 32KB/32B 2-way L1 VIPT Instruction cache
cpu1: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu1: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp1 at cpu1: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
cpu3: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu3: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu3: 32KB/32B 2-way L1 VIPT Instruction cache
cpu3: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu3: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp3 at cpu3: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
cpu2: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu2: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu2: 32KB/32B 2-way L1 VIPT Instruction cache
cpu2: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu2: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp2 at cpu2: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
sdhc0: SDHC 3.0, rev 153, platform DMA, 250000 kHz, HS SDR50 3.3V, re-tuning mod
e 1, 1024 byte blocks
sdmmc0 at sdhc0 slot 0
uhub0 at usb0: vendor 0000 DWC2 root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 1 port with 1 removable, self powered
ld0 at sdmmc0: <0x03:0x5344:SU08G:0x80:0x611ed633:0x0e5>
ld0: 7580 MB, 3850 cyl, 64 head, 63 sec, 512 bytes/sect x 15523840 sectors
IPsec: Initialized Security Association Processing.
ld0: 4-bit width, High-Speed/SDR25, 50.000 MHz
uhub1 at uhub0 port 1: vendor 0424 product 9514, class 9/0, rev 2.00/2.00, addr 2
uhub1: multiple transaction translators
uhub1: 5 ports with 4 removable, self powered
usmsc0 at uhub1 port 1
usmsc0: vendor 0424 product ec00, rev 2.00/2.00, addr 3
usmsc0: Ethernet address b8:27:eb:19:a8:ec
ukphy0 at usmsc0 phy 1: OUI 0x00800f, model 0x000c, rev. 3
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
umass0 at uhub1 port 3 configuration 1 interface 0
umass0: vendor 04b4 Cypress AT2LP RC42, rev 2.00/4.20, addr 4
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
uhub0: illegal enable change, port 1
sd0 at scsibus0 target 0 lun 0: <SAMSUNG, SP1604N, 0000> disk fixed
sd0: 149 GB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 312581808 sectors
boot device: sd0
root on sd0f dumps on sd0b
root file system type: ffs
kern.module.path=/stand/evbarm/7.99.34/modules
vchiq: local ver 6 (min 3), remote ver 6.
vcaudio0 at vchiq0WARNING: no TOD clock present
: auds
WARNING: using filesystem time
WARNING: CHECK AND RESET THE DATE!
audio0 at vcaudio0: half duplex, playback, capture, independent
warning: no /dev/console
wsdisplay0: screen 4 added (default, vt100 emulation)
panic: kernel diagnostic assertion "pmap_tlb_intersecting_active_p(PAI_PMAP(pai,
ti), ti)" failed: file "/usr/home/michael/netbsd/usr/src/sys/uvm/pmap/pmap_tlb.
c", line 220
cpu1: Begin traceback...
0xbac93e2c: netbsd:db_panic+0xc
0xbac93e44: netbsd:vpanic+0x1b4
0xbac93e5c: netbsd:__udivmoddi4
0xbac93e9c: netbsd:pmap_tlb_pai_check.constprop.5+0x170
0xbac93eb4: netbsd:pmap_deactivate+0x40
0xbac93f0c: netbsd:mi_switch+0x328
0xbac93f3c: netbsd:sleepq_block+0xb4
0xbac93f6c: netbsd:cv_wait+0x104
0xbac93fac: netbsd:usb_task_thread+0x17c
cpu1: End traceback...
dump to dev 24,1 not possible
rebooting...
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
The NetBSD Foundation, Inc. All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
NetBSD 7.99.34 (RPI2) #2: Sat Jul 16 10:40:31 PDT 2016
michael@scrodge:/usr/home/michael/netbsd/usr/src/sys/arch/evbarm/compile
/obj/RPI2
total memory = 944 MB
avail memory = 925 MB
sysctl_createv: sysctl_create(machine_arch) returned 17
timecounter: Timecounters tick every 10.000 msec
mainbus0 (root)
cpu0 at mainbus0 core 0: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu0: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu0: 32KB/32B 2-way L1 VIPT Instruction cache
cpu0: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu0: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp0 at cpu0: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
cpu1 at mainbus0 core 1
cpu2 at mainbus0 core 2
cpu3 at mainbus0 core 3
obio0 at mainbus0
bcmicu0 at obio0: Multiprocessor
armgtmr0 at obio0: ARMv7 Generic 64-bit Timer (19200 kHz)
armgtmr0: interrupting on irq 3
timecounter: Timecounter "armgtmr0" frequency 19200000 Hz quality 500
bcmmbox0 at obio0 intr 193: VC mailbox
vcmbox0 at bcmmbox0
vchiq0 at obio0 intr 194: BCM2835 VCHIQ
bcmpm0 at obio0: Power management, Reset and Watchdog controller
bcmdmac0 at obio0: DMA0 DMA2 DMA4 DMA5 DMA8 DMA9 DMA10
bcmrng0 at obio0: RNG
plcom0 at obio0 intr 185
plcom0: txfifo disabled
plcom0: console
genfb0 at obio0
genfb0: framebuffer at 0xfd876000, size 1280x720, depth 32, stride 5120
wsdisplay0 at genfb0 kbdmux 1
wsmux1: connecting to wsdisplay0
wsdisplay0: screen 0-3 added (default, vt100 emulation)
sdhc0 at obio0 intr 190: SDHC controller
sdhc0: interrupting on intr 190
dwctwo0 at obio0 intr 137: USB controller
bcmspi0 at obio0 intr 182: SPI
spi0 at bcmspi0: SPI bus
bsciic0 at obio0 intr 181: BSC0
iic0 at bsciic0: I2C bus
bsciic1 at obio0 intr 181: BSC1
iic1 at bsciic1: I2C bus
bcmgpio0 at obio0: GPIO [0...31]
gpio0 at bcmgpio0: 32 pins
bcmgpio1 at obio0: GPIO [32...53]
gpio1 at bcmgpio1: 22 pins
bcmcm at obio0 not configured
bcmpwm at obio0 not configured
usb0 at dwctwo0: USB revision 2.0
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
cpu2: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu2: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu2: 32KB/32B 2-way L1 VIPT Instruction cache
cpu2: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu2: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp2 at cpu2: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
cpu1: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu1: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu1: 32KB/32B 2-way L1 VIPT Instruction cache
cpu1: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu1: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp1 at cpu1: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
cpu3: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu3: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu3: 32KB/32B 2-way L1 VIPT Instruction cache
cpu3: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu3: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp3 at cpu3: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
sdhc0: SDHC 3.0, rev 153, platform DMA, 250000 kHz, HS SDR50 3.3V, re-tuning mod
e 1, 1024 byte blocks
sdmmc0 at sdhc0 slot 0
uhub0 at usb0: vendor 0000 DWC2 root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 1 port with 1 removable, self powered
ld0 at sdmmc0: <0x03:0x5344:SU08G:0x80:0x611ed633:0x0e5>
ld0: 7580 MB, 3850 cyl, 64 head, 63 sec, 512 bytes/sect x 15523840 sectors
IPsec: Initialized Security Association Processing.
panic: kernel diagnostic assertion "pmap_tlb_intersecting_active_p(PAI_PMAP(pai,
ti), ti)" failed: file "/usr/home/michael/netbsd/usr/src/sys/uvm/pmap/pmap_tlb.
c", line 220
db{0}> ps
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
1 1 3 2 0 bad36320 init lbolt
0 56 3 3 200 bac68b80 npfgc npfgccv
0 55 3 3 200 bad365e0 unpgc unpgc
0 54 3 1 200 bac69680 ld0attach biowait
0 53 3 1 200 bac68e40 nd6_timer nd6_timer
0 52 3 1 200 bac69100 rt_timer rt_timer
0 51 3 1 200 bac69c00 vcmbox0 vcmbox0
0 50 3 1 200 bac69940 vmem_rehash vmem_rehash
0 > 49 7 0 200 bac693c0 sdmmc0
0 41 3 3 200 bad36b60 configintr usbdly
0 40 3 0 200 bad36e20 usbtask-dr usbtsk
0 39 3 0 200 bad370e0 usbtask-hc usbtsk
0 38 3 0 200 bad373a0 dwc2 dwc2
0 37 3 0 200 bad37660 iic1 iicintr
0 36 3 0 200 bad37920 iic0 iicintr
0 35 3 3 200 bad37be0 xcall/3 xcall
0 34 1 3 200 bad5e040 softser/3
0 33 1 3 200 bad5e300 softclk/3
0 32 1 3 200 bad5e5c0 softbio/3
0 31 1 3 200 bad5e880 softnet/3
0 > 30 7 3 201 bad5eb40 idle/3
0 29 3 2 200 bad5ee00 xcall/2 xcall
0 28 1 2 200 bad5f0c0 softser/2
0 27 1 2 200 bad5f380 softclk/2
0 26 1 2 200 bad5f640 softbio/2
0 25 1 2 200 bad5f900 softnet/2
0 > 24 7 2 201 bad5fbc0 idle/2
0 23 3 1 200 bad8e020 xcall/1 xcall
0 22 1 1 200 bad8e2e0 softser/1
0 21 1 1 200 bad8e5a0 softclk/1
0 20 1 1 200 bad8e860 softbio/1
0 19 1 1 200 bad8eb20 softnet/1
0 > 18 7 1 201 bad8ede0 idle/1
0 17 3 2 200 bad8f0a0 sysmon smtaskq
0 16 3 0 200 bad8f360 cryptoret crypto_w
0 15 3 3 200 bad8f620 pmfsuspend pmfsuspend
0 14 3 1 200 bad8f8e0 pmfevent pmfevent
0 13 3 0 200 bad8fba0 sopendfree sopendfr
0 12 3 3 200 baefa000 nfssilly nfssilly
0 11 3 0 200 baefa2c0 cachegc cachegc
0 10 3 0 200 baefa580 vrele vrele
0 9 3 0 200 baefa840 vdrain vdrain
0 8 3 0 200 baefab00 modunload mod_unld
0 7 3 0 200 baefadc0 xcall/0 xcall
0 6 1 0 200 baefb080 softser/0
0 5 1 0 200 baefb340 softclk/0
0 4 1 0 200 baefb600 softbio/0
0 3 1 0 200 baefb8c0 softnet/0
0 2 1 0 201 baefbb80 idle/0
0 1 3 3 200 8057f940 swapper cfgmisc
db{0}> bt
0x80959ebc: netbsd:vpanic+0x10
0x80959ed4: netbsd:__udivmoddi4
0x80959f14: netbsd:pmap_tlb_pai_check.constprop.5+0x170
0x80959f2c: netbsd:pmap_deactivate+0x40
0x80959f84: netbsd:mi_switch+0x328
0x80959fac: netbsd:idle_loop+0xdc
db{0}>
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