[Bug 262965] Fatal trap 12: page fault while in kernel mode
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Date: Thu, 31 Mar 2022 22:00:55 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262965
Bug ID: 262965
Summary: Fatal trap 12: page fault while in kernel mode
Product: Base System
Version: 13.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: bugs@FreeBSD.org
Reporter: budijanto@studiokaraoke.co.id
# /var/log/messages
[...]
Apr 1 03:51:10 BEC-DB-P1 kernel: Fatal trap 12: page fault while in kernel
mode
Apr 1 03:51:10 BEC-DB-P1 kernel: cpuid = 3; apic id = 03
Apr 1 03:51:10 BEC-DB-P1 kernel: fault virtual address = 0xfffff821d0135d48
Apr 1 03:51:10 BEC-DB-P1 kernel: fault code = supervisor write data,
page not present
Apr 1 03:51:10 BEC-DB-P1 kernel: instruction pointer =
0x20:0xffffffff828d43d5
Apr 1 03:51:10 BEC-DB-P1 kernel: stack pointer =
0x28:0xfffffe011b408e00
Apr 1 03:51:10 BEC-DB-P1 kernel: frame pointer =
0x28:0xfffffe011b408e80
Apr 1 03:51:10 BEC-DB-P1 kernel: code segment = base 0x0, limit 0xfffff,
type 0x1b
Apr 1 03:51:10 BEC-DB-P1 kernel: = DPL 0, pres 1, long 1, def32 0,
gran 1
Apr 1 03:51:10 BEC-DB-P1 kernel: processor eflags = interrupt enabled,
resume, IOPL = 0
Apr 1 03:51:10 BEC-DB-P1 kernel: current process = 59 (txg_thread_enter)
Apr 1 03:51:10 BEC-DB-P1 kernel: trap number = 12
Apr 1 03:51:10 BEC-DB-P1 kernel: panic: page fault
Apr 1 03:51:10 BEC-DB-P1 kernel: cpuid = 3
Apr 1 03:51:10 BEC-DB-P1 kernel: time = 1648759804
Apr 1 03:51:10 BEC-DB-P1 kernel: KDB: stack backtrace:
Apr 1 03:51:10 BEC-DB-P1 kernel: #0 0xffffffff80c57525 at kdb_backtrace+0x65
Apr 1 03:51:10 BEC-DB-P1 kernel: #1 0xffffffff80c09f01 at vpanic+0x181
Apr 1 03:51:10 BEC-DB-P1 kernel: #2 0xffffffff80c09d73 at panic+0x43
Apr 1 03:51:10 BEC-DB-P1 kernel: #3 0xffffffff8108b1a7 at trap_fatal+0x387
Apr 1 03:51:10 BEC-DB-P1 kernel: #4 0xffffffff8108b1ff at trap_pfault+0x4f
Apr 1 03:51:10 BEC-DB-P1 kernel: #5 0xffffffff8108a85d at trap+0x27d
Apr 1 03:51:10 BEC-DB-P1 kernel: #6 0xffffffff81061d98 at calltrap+0x8
Apr 1 03:51:10 BEC-DB-P1 kernel: #7 0xffffffff828d712a at
dsl_scan_visitbp+0x99a
Apr 1 03:51:10 BEC-DB-P1 kernel: #8 0xffffffff828d6a66 at
dsl_scan_visitbp+0x2d6
Apr 1 03:51:10 BEC-DB-P1 kernel: #9 0xffffffff828d6d23 at
dsl_scan_visitbp+0x593
Apr 1 03:51:10 BEC-DB-P1 kernel: #10 0xffffffff828d6a66 at
dsl_scan_visitbp+0x2d6
Apr 1 03:51:10 BEC-DB-P1 kernel: #11 0xffffffff828d6a66 at
dsl_scan_visitbp+0x2d6
Apr 1 03:51:10 BEC-DB-P1 kernel: #12 0xffffffff828d6a66 at
dsl_scan_visitbp+0x2d6
Apr 1 03:51:10 BEC-DB-P1 kernel: #13 0xffffffff828d6a66 at
dsl_scan_visitbp+0x2d6
Apr 1 03:51:10 BEC-DB-P1 kernel: #14 0xffffffff828d6a66 at
dsl_scan_visitbp+0x2d6
Apr 1 03:51:10 BEC-DB-P1 kernel: #15 0xffffffff828d6b40 at
dsl_scan_visitbp+0x3b0
Apr 1 03:51:10 BEC-DB-P1 kernel: #16 0xffffffff828d5dbf at
dsl_scan_visit_rootbp+0x12f
Apr 1 03:51:10 BEC-DB-P1 kernel: #17 0xffffffff828d6063 at
dsl_scan_visitds+0xe3
Apr 1 03:51:10 BEC-DB-P1 kernel: Uptime: 1d2h43m39s
Apr 1 03:51:10 BEC-DB-P1 kernel: Dumping 2853 out of 16246
MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%---<<BOOT>>---
[...]
# sysctl -a | grep 'hw.*mem'
hw.physmem: 17035481088
hw.usermem: 14230319104
hw.realmem: 17179869184
hw.pci.host_mem_start: 2147483648
hw.cbb.start_memory: 2281701376
# top -b
last pid: 2621; load averages: 0.81, 0.73, 0.54 up 0+00:54:00 04:44:40
28 processes: 1 running, 27 sleeping
CPU 0: 0.0% user, 0.0% nice, 6.2% system, 6.5% interrupt, 87.2% idle
CPU 1: 0.0% user, 0.0% nice, 6.7% system, 0.0% interrupt, 93.2% idle
CPU 2: 0.0% user, 0.0% nice, 6.0% system, 0.2% interrupt, 93.8% idle
CPU 3: 0.0% user, 0.0% nice, 6.0% system, 0.2% interrupt, 93.8% idle
Mem: 159M Active, 2714M Inact, 2673M Wired, 345M Buf, 10G Free
ARC: 795M Total, 717M MFU, 66M MRU, 10M Header, 1856K Other
755M Compressed, 5172M Uncompressed, 6.85:1 Ratio
Swap: 3979M Total, 3979M Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
968 root 1 20 0 32M 12M select 0 0:03 0.00% snmpd
2227 mysql 37 20 0 2737M 279M select 3 0:02 0.00% mysqld
944 nobody 1 20 0 18M 7272K select 2 0:00 0.00% openvpn
938 ntpd 1 20 0 21M 5028K select 3 0:00 0.00% ntpd
360 _pflogd 1 20 0 13M 2996K bpf 3 0:00 0.00% pflogd
2372 wilson 1 20 0 21M 9324K select 1 0:00 0.00% sshd
999 mysql 1 52 0 13M 3020K wait 0 0:00 0.00% sh
2378 root 1 20 0 16M 4840K pause 3 0:00 0.00% csh
856 root 1 20 0 13M 2624K select 1 0:00 0.00% syslogd
1118 root 1 23 0 13M 2644K nanslp 3 0:00 0.00% cron
2369 root 1 20 0 21M 9284K select 2 0:00 0.00% sshd
2373 wilson 1 21 0 14M 4192K pause 2 0:00 0.00% csh
2377 wilson 1 20 0 13M 3168K wait 2 0:00 0.00% su
660 root 1 20 0 11M 1412K select 3 0:00 0.00% devd
664 root 1 20 0 19M 5840K select 1 0:00 0.00% zfsd
1187 root 1 52 0 13M 2268K ttyin 1 0:00 0.00% getty
1191 root 1 52 0 13M 2268K ttyin 3 0:00 0.00% getty
1184 root 1 52 0 13M 2268K ttyin 3 0:00 0.00% getty
# zpool status -v
pool: pool
state: ONLINE
scan: scrub in progress since Fri Apr 1 01:00:00 2022
4.75T scanned at 0B/s, 3.96T issued at 0B/s, 4.91T total
0B repaired, 80.60% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
pool ONLINE 0 0 0
diskid/DISK-WD-WMC1T1587601p1 ONLINE 0 0 0
diskid/DISK-WD-WCC1T1170612p1 ONLINE 0 0 0
diskid/DISK-Z1F5T8W1p1 ONLINE 0 0 0
errors: No known data errors
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