lock order reversal errors

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lock order reversal errors

Isimsiz
Hello misc.
Openbsd -current, Thinkpad x220

DMESG:
OpenBSD 6.3-current (GENERIC.MP) #19: Sat Jun 16 07:14:22 MDT 2018
    [hidden email]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 4156157952 (3963MB)
avail mem = 3983810560 (3799MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xdae9c000 (65 entries)
bios0: vendor LENOVO version "8DET51WW (1.21 )" date 08/02/2011
bios0: LENOVO 4291W9J
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC SSDT SSDT SSDT HPET APIC MCFG ECDT ASF! TCPA
SSDT SSDT UEF
I UEFI UEFI
acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP4(S4) EXP7(S4) EHC1(S3)
EHC2(S3) HD
EF(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 797.52 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,SENSOR,ARAT,XSAVEOPT,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 99MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 797.41 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 797.41 MHz
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,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 1, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 797.42 MHz
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,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63
acpiec0 at acpi0
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEG_)
acpiprt2 at acpi0: bus 2 (EXP1)
acpiprt3 at acpi0: bus 3 (EXP2)
acpiprt4 at acpi0: bus 5 (EXP4)
acpiprt5 at acpi0: bus 13 (EXP5)
acpiprt6 at acpi0: bus -1 (EXP7)
acpicpu0 at acpi0: C3(200@109 io@0x416), C2(500@80 io@0x414), C1(1000@1
halt), PSS
acpicpu1 at acpi0: C3(200@109 io@0x416), C2(500@80 io@0x414), C1(1000@1
halt), PSS
acpicpu2 at acpi0: C3(200@109 io@0x416), C2(500@80 io@0x414), C1(1000@1
halt), PSS
acpicpu3 at acpi0: C3(200@109 io@0x416), C2(500@80 io@0x414), C1(1000@1
halt), PSS
acpipwrres0 at acpi0: PUBS, resource for EHC1, EHC2
acpitz0 at acpi0: critical temperature is 99 degC
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpicmos0 at acpi0
"LEN0020" at acpi0 not configured
"SMO1200" at acpi0 not configured
acpibat0 at acpi0: BAT0 model "42T4940" serial 13698 type LION oem "SANYO"
acpiac0 at acpi0: AC unit offline
acpithinkpad0 at acpi0
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
acpidock0 at acpi0: GDCK not docked (0)
acpivideo0 at acpi0: VID_
acpivout at acpivideo0 not configured
acpivideo1 at acpi0: VID_
cpu0: Enhanced SpeedStep 797 MHz: speeds: 2501, 2500, 2200, 2000, 1800,
1600, 1400, 1200, 1000, 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 3000" rev 0x09
drm0 at inteldrm0
inteldrm0: msi
inteldrm0: 1366x768, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
puc0 at pci0 dev 22 function 3 "Intel 6 Series KT" rev 0x04: ports: 16 com
com4 at puc0 port 0 apic 2 int 19: ns16550a, 16 byte fifo
com4: probed fifo depth: 0 bytes
em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address
f0:de:f1:91:74:0b
ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 16
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x04: msi
azalia0: codecs: Conexant CX20590, Intel/0x2805, using Conexant CX20590
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb4: msi
pci1 at ppb0 bus 2
ppb1 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb4: msi
pci2 at ppb1 bus 3
iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6205" rev 0x34:
msi, MIMO 2T2R, MoW, address 08:11:96:1f:8f:b0
ppb2 at pci0 dev 28 function 3 "Intel 6 Series PCIE" rev 0xb4: msi
pci3 at ppb2 bus 5
ppb3 at pci0 dev 28 function 4 "Intel 6 Series PCIE" rev 0xb4: msi
pci4 at ppb3 bus 13
sdhc0 at pci4 dev 0 function 0 "Ricoh 5U822 SD/MMC" rev 0x07: apic 2 int 16
sdhc0: SDHC 3.0, 50 MHz base clock
sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma
ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 23
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
pcib0 at pci0 dev 31 function 0 "Intel QM67 LPC" rev 0x04
ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI
1.3
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, PLEXTOR PX-256S2, 1.03> SCSI3 0/direct
fixed naa.5002303100b54fb2
sd0: 244198MB, 512 bytes/sector, 500118192 sectors, thin
ichiic0 at pci0 dev 31 function 3 "Intel 6 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
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
wsmouse1 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.0, 0x1e2b1 0x940300
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
aps0 at isa0 port 0x1600/31
uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching Hub"
rev 2.00/0.00 addr 2
ugen0 at uhub2 port 4 "Broadcom Corp Broadcom Bluetooth Device" rev
2.00/7.48 addr 3
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub"
rev 2.00/0.00 addr 2
umodem0 at uhub3 port 4 configuration 1 interface 1 "Lenovo F5521gw" rev
2.00/0.00 addr 3
umodem0: data interface 2, has CM over data, has break
umodem0: status change notification available
ucom0 at umodem0
umodem1 at uhub3 port 4 configuration 1 interface 3 "Lenovo F5521gw" rev
2.00/0.00 addr 3
umodem1: data interface 4, has CM over data, has break
umodem1: status change notification available
ucom1 at umodem1
umodem2 at uhub3 port 4 configuration 1 interface 9 "Lenovo F5521gw" rev
2.00/0.00 addr 3
umodem2: data interface 10, has CM over data, has break
umodem2: status change notification available
ucom2 at umodem2
ugen1 at uhub3 port 4 configuration 1 "Lenovo F5521gw" rev 2.00/0.00 addr 3
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (06ae5b9b9c3db4c0.a) swap on sd0b dump on sd0b
lock order reversal:
 1st 0xffffff011cdc9450 vmmaplk (&map->lock) @
/usr/src/sys/uvm/uvm_map.c:4433
 2nd 0xffffff010ea2b6f8 inode (&ip->i_lock) @
/usr/src/sys/ufs/ufs/ufs_vnops.c:1555
lock order "&ip->i_lock"(rrwlock) -> "&map->lock"(rwlock) first seen at:
#0  witness_checkorder+0x4c0
#1  _rw_enter_read+0x49
#2  uvmfault_lookup+0x8d
#3  uvm_fault+0x72
#4  pageflttrap+0x14c
#5  trap+0x319
#6  alltraps_kern+0x7e
#7  copyout+0x48
#8  ffs_read+0x1f0
#9  VOP_READ+0x49
#10 vn_rdwr+0xc8
#11 vmcmd_map_readvn+0xa0
#12 exec_process_vmcmds+0x84
#13 sys_execve+0x786
#14 syscall+0x32a
#15 Xsyscall_untramp+0xe4
lock order "&map->lock"(rwlock) -> "&ip->i_lock"(rrwlock) first seen at:
#0  witness_checkorder+0x4c0
#1  _rw_enter+0x68
#2  _rrw_enter+0x3e
#3  VOP_LOCK+0x3d
#4  vn_lock+0x34
#5  uvn_io+0x1b8
#6  uvm_pager_put+0x109
#7  uvn_flush+0x424
#8  uvm_map_clean+0x3e7
#9  syscall+0x32a
#10 Xsyscall_untramp+0xe4
error: [drm:pid83761:intel_pipe_update_start] *ERROR* Potential atomic
update failure on pipe A


Can someone tell me how to fix errors in the end of dmesg?

PS: /etc/fstab
 06ae5b9b9c3db4c0.b none swap sw
06ae5b9b9c3db4c0.a / ffs rw,softdep,noatime,wxallowed 1 1
06ae5b9b9c3db4c0.e /home ffs rw,softdep,noatime,nodev,nosuid 1 2
06ae5b9b9c3db4c0.d /var ffs rw,softdep,noatime,nodev,nosuid 1