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List: openbsd-bugs
Subject: kernel page fault in nfs_reclaim on current
From: Raimo Niskanen <raimo+openbsd () erlang ! org>
Date: 2021-07-21 15:36:10
Message-ID: 20210721153610.GA13370 () erix ! ericsson ! se
[Download RAW message or body]
Our nightly tests of Erlang/OTP provokes a page fault almost
every night. Please let me know if more information is needed,
from the next crash...
ddb stack dump, copied by hand:
uvm_fault(0xfffffd83b5d8c450) 0x0, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at _rb_remove+0x1eb: movq %r13,0(%rsi)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*135538 46634 0 0x2 0 1K perl
285330 41812 421 0x2 0x4000000 0 beam.smp
_rb_remove(ffffffff81f305e0,0,fffffd825918eda0) at _rb_remove+0x1eb
nfs_reclaim(ffff800022c55270) at nfs_reclaim+0x7d
VOP_RECLAIM(fffffd843ab36418,ffff800022c107f0) at FOP_RECLAIM+0x59
vclean(fffffd843ab36418,8,ffff800022c107f0) at vclean+0x156
vgonel(fffffd843ab36418,ffff800022c107f0) at vgonel+0x5f
getnewvnode(1,ffff8000001cc800,ffffffff81f50ae0,ffff800022c553f0) at \
getnewvnode+0x1eb ffs_vget(ffff8000001cc800,d807c,ffff800022c554c0) at ffs_vget+0x8a
ufs_lookup() at ufs_lookup+0xc5e
VOP_LOOKUP(fffffd845bb8f8e0,ffff8---22c556f8,ffff800022c55730) at VOP_LOOKUP+0x46
vfs_lookup(ffff800022c556c8) at vfs_lookup+0x359
namei(ffff800022c556c8) at namei+0x255
dofstatat(ffff800022c107f0,ffffff9c,cd3a8056100,cd492c6bd30,2) at dofstatat+0x86
syscall(ffff800022c55930) at syscall+0x3a9
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffeb010, count:1
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
Here is the tail of dmesg -s:
kbd: keyboard mapping set to sv
pf enabled
ddb.console: 0 -> 1
starting network
reordering libraries: done.
starting early daemons: syslogd pflogd ntpd.
starting RPC daemons: portmap ypbind mountd nfsd lockd amd.
savecore: no core dump
checking quotas: done.
clearing /tmp
kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd smtpd sndiod.
starting package daemons: smartd.
starting local daemons: cron.
And here is the dmesg:
OpenBSD 6.9-current (GENERIC.MP) #133: Sun Jul 18 10:59:17 MDT 2021
deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 17119961088 (16326MB)
avail mem = 16585162752 (15816MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x8ef68000 (43 entries)
bios0: vendor Dell Inc. version "1.4.5" date 08/09/2016
bios0: Dell Inc. PowerEdge R230
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S5
acpi0: tables DSDT FACP SSDT TPM2 BOOT SSDT SLIC HPET LPIT APIC MCFG WDAT
SSDT DBGP DBG2 SSDT SSDT SSDT SSDT DMAR SSDT SSDT PRAD HEST BERT ERST EINJ
FPDT
acpi0: wakeup devices PEG0(S0) PEGP(S0) PEG1(S0) PEGP(S0) PEG2(S0) PEGP(S0)
XHC_(S0) XDCI(S0) RP01(S0) PXSX(S0) RP02(S0) PXSX(S0) RP03(S0) PXSX(S0)
RP04(S0) PXSX(S0) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 23999999 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Xeon(R) CPU E3-1220 v5 @ 3.00GHz, 3293.56 MHz, 06-5e-03
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,SMX,EST,TM2,SSSE3 \
,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AV \
X,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SG \
X,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTR \
L,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpu0: apic clock running at 24MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Xeon(R) CPU E3-1220 v5 @ 3.00GHz, 3292.34 MHz, 06-5e-03
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,SMX,EST,TM2,SSSE3 \
,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AV \
X,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SG \
X,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTR \
L,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 4 (application processor)
cpu2: Intel(R) Xeon(R) CPU E3-1220 v5 @ 3.00GHz, 3292.34 MHz, 06-5e-03
cpu2:
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,SMX,EST,TM2,SSSE3 \
,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AV \
X,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SG \
X,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTR \
L,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 6 (application processor)
cpu3: Intel(R) Xeon(R) CPU E3-1220 v5 @ 3.00GHz, 3292.34 MHz, 06-5e-03
cpu3:
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,SMX,EST,TM2,SSSE3 \
,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AV \
X,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SG \
X,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTR \
L,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 0, core 3, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xe0000000, bus 0-255
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt0: no apic found for irq 32
acpiprt0: no apic found for irq 33
acpiprt0: no apic found for irq 34
acpiprt1 at acpi0: bus 1 (PEG0)
acpiprt2 at acpi0: bus 2 (PEG1)
acpiprt3 at acpi0: bus -1 (PEG2)
acpiprt4 at acpi0: bus -1 (RP01)
acpiprt5 at acpi0: bus -1 (RP02)
acpiprt6 at acpi0: bus -1 (RP03)
acpiprt7 at acpi0: bus -1 (RP04)
acpiprt8 at acpi0: bus -1 (RP05)
acpiprt9 at acpi0: bus -1 (RP06)
acpiprt10 at acpi0: bus -1 (RP07)
acpiprt11 at acpi0: bus -1 (RP08)
acpiprt12 at acpi0: bus 3 (RP09)
acpiprt13 at acpi0: bus -1 (RP10)
acpiprt14 at acpi0: bus 4 (RP11)
acpiprt15 at acpi0: bus -1 (RP12)
acpiprt16 at acpi0: bus -1 (RP13)
acpiprt17 at acpi0: bus -1 (RP14)
acpiprt18 at acpi0: bus -1 (RP15)
acpiprt19 at acpi0: bus -1 (RP16)
acpiprt20 at acpi0: bus -1 (RP17)
acpiprt21 at acpi0: bus -1 (RP18)
acpiprt22 at acpi0: bus -1 (RP19)
acpiprt23 at acpi0: bus -1 (RP20)
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
acpibtn0 at acpi0: SLPB
"PNP0C14" at acpi0 not configured
"PNP0C33" at acpi0 not configured
acpicpu0 at acpi0: C1(@1 halt!)
acpicpu1 at acpi0: C1(@1 halt!)
acpicpu2 at acpi0: C1(@1 halt!)
acpicpu3 at acpi0: C1(@1 halt!)
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
ipmi at mainbus0 not configured
cpu0: using VERW MDS workaround (except on vmm entry)
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Xeon E3-1200 v5 Host" rev 0x07
ppb0 at pci0 dev 1 function 0 "Intel Core 6G PCIE" rev 0x07: msi
pci1 at ppb0 bus 1
ppb1 at pci0 dev 1 function 1 "Intel Core 6G PCIE" rev 0x07: msi
pci2 at ppb1 bus 2
xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x31: msi, xHCI
1.0
usb0 at xhci0: USB revision 3.0
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev
3.00/1.00 addr 1
pchtemp0 at pci0 dev 20 function 2 "Intel 100 Series Thermal" rev 0x31
"Intel 100 Series MEI" rev 0x31 at pci0 dev 22 function 0 not configured
"Intel 100 Series MEI" rev 0x31 at pci0 dev 22 function 1 not configured
ahci0 at pci0 dev 23 function 0 "Intel 100 Series AHCI" rev 0x31: msi, AHCI
1.3.1
ahci0: port 0: 6.0Gb/s
ahci0: port 1: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, ST1000NM0055-1V4, >
naa.5000c5009267a5c7
sd0: 953869MB, 512 bytes/sector, 1953525168 sectors
sd1 at scsibus1 targ 1 lun 0: <ATA, ST1000NM0055-1V4, >
naa.5000c500926799c8
sd1: 953869MB, 512 bytes/sector, 1953525168 sectors
ppb2 at pci0 dev 29 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
pci3 at ppb2 bus 3
3:0:0: rom address conflict 0xfffc0000/0x40000
3:0:1: rom address conflict 0xfffc0000/0x40000
bge0 at pci3 dev 0 function 0 "Broadcom BCM5720" rev 0x00, BCM5720 A0
(0x5720000), APE firmware NCSI 1.3.16.0: msi, address 10:98:36:a9:c7:35
brgphy0 at bge0 phy 1: BCM5720C 10/100/1000baseT PHY, rev. 0
bge1 at pci3 dev 0 function 1 "Broadcom BCM5720" rev 0x00, BCM5720 A0
(0x5720000), APE firmware NCSI 1.3.16.0: msi, address 10:98:36:a9:c7:36
brgphy1 at bge1 phy 2: BCM5720C 10/100/1000baseT PHY, rev. 0
ppb3 at pci0 dev 29 function 2 "Intel 100 Series PCIE" rev 0xf1: msi
pci4 at ppb3 bus 4
ppb4 at pci4 dev 0 function 0 "Renesas SH7758 PCIE Switch" rev 0x00
pci5 at ppb4 bus 5
ppb5 at pci5 dev 0 function 0 "Renesas SH7758 PCIE Switch" rev 0x00
pci6 at ppb5 bus 6
ppb6 at pci6 dev 0 function 0 "Renesas SH7758 PCIE-PCI" rev 0x00
pci7 at ppb6 bus 7
vga1 at pci7 dev 0 function 0 "Matrox MGA G200eR" rev 0x01
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
pcib0 at pci0 dev 31 function 0 "Intel C236 LPC" rev 0x31
"Intel 100 Series PMC" rev 0x31 at pci0 dev 31 function 2 not configured
ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x31: apic 2
int 16
iic0 at ichiic0
sdtemp0 at iic0 addr 0x19: tse2004gb2
sdtemp1 at iic0 addr 0x1b: tse2004gb2
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
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
vmm0 at mainbus0: VMX/EPT
dt: 445 probes
uhub1 at uhub0 port 3 configuration 1 interface 0 "no manufacturer Gadget
USB HUB" rev 2.00/0.00 addr 2
uhidev0 at uhub0 port 9 configuration 1 interface 0 "SIGMACHIP Usb Mouse"
rev 1.10/1.10 addr 3
uhidev0: iclass 3/1
ums0 at uhidev0: 5 buttons, Z dir
wsmouse0 at ums0 mux 0
uhidev1 at uhub0 port 11 configuration 1 interface 0 "CHICONY HP Basic USB
Keyboard" rev 1.10/3.00 addr 4
uhidev1: iclass 3/1
ukbd0 at uhidev1: 8 variable keys, 6 key codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
softraid0: sd2 was not shutdown properly
sd2 at scsibus3 targ 1 lun 0: <OPENBSD, SR RAID 1, 006>
sd2: 953866MB, 512 bytes/sector, 1953519473 sectors
root on sd2a (05b1917da05f48e3.a) swap on sd2b dump on sd2b
WARNING: / was not properly unmounted
--
/ Raimo Niskanen, Erlang/OTP, Ericsson AB
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