https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265569
Bug ID: 265569
Summary: [panic] Fatal trap 9: general protection fault while
in kernel mode arc_reap
Product: Base System
Version: 13.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
I can consistently trigger this panic on my system by running a userspace
backup program (duplicity). The program seems to get to roughly the same place
every time and then panics. I am going guess from the stack trace that perhaps
my system may have L2ARC corruption? I will disable the L2ARC and see if the
problem goes away, but first I wanted to give the opportunity to further
investigation.
Other possibly interesting information about my system:
Arc is a pair of nvme drives that are completely full:
capacity operations bandwidth
pool alloc free read write read write
------------------------ ----- ----- ----- ----- ----- -----
spinning 13.0T 30.5T 2 0 26.9K 4.11K
raidz1-0 13.0T 30.5T 2 0 26.7K 3.71K
diskid/DISK-ZJV3CN53 - - 0 0 10.2K 982
diskid/DISK-ZJV3CTT4 - - 0 0 3.20K 945
diskid/DISK-ZJV3BQLS - - 0 0 9.35K 959
diskid/DISK-ZJV3CM07 - - 0 0 3.99K 911
logs - - - - - -
mirror-1 1M 15.5G 0 0 250 413
nvd0p3 - - 0 0 125 206
nvd1p3 - - 0 0 125 206
cache - - - - - -
nvd0p5 209G 91.8M 0 0 10.1K 12.0K
nvd1p5 209G 35.7M 0 0 10.3K 10.6K
------------------------ ----- ----- ----- ----- ----- -----
Unread portion of the kernel message buffer:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 02
instruction pointer = 0x20:0xffffffff80f46649
stack pointer = 0x28:0xfffffe015668ad70
frame pointer = 0x28:0xfffffe015668adb0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 5 (arc_reap)
trap number = 9
panic: general protection fault
cpuid = 1
time = 1659411380
KDB: stack backtrace:
#0 0xffffffff80c69465 at kdb_backtrace+0x65
#1 0xffffffff80c1bb1f at vpanic+0x17f
#2 0xffffffff80c1b993 at panic+0x43
#3 0xffffffff810afdf5 at trap_fatal+0x385
#4 0xffffffff81087528 at calltrap+0x8
#5 0xffffffff80f4b70a at bucket_drain+0xda
#6 0xffffffff80f4ba7a at bucket_cache_reclaim_domain+0x2da
#7 0xffffffff80f49412 at zone_reclaim+0x192
#8 0xffffffff821a2e59 at arc_reap_cb+0x9
#9 0xffffffff8231121a at zthr_procedure+0xba
#10 0xffffffff80bd8a5e at fork_exit+0x7e
#11 0xffffffff8108859e at fork_trampoline+0xe
Uptime: 1h10m8s
Dumping 5378 out of 65381 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
bt__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct
pcpu,
(kgdb) bt
#0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
#1 doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:399
#2 0xffffffff80c1b71c in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:487
#3 0xffffffff80c1bb8e in vpanic (fmt=0xffffffff811b4fb9 "%s", ap=<optimized
out>) at /usr/src/sys/kern/kern_shutdown.c:920
#4 0xffffffff80c1b993 in panic (fmt=<unavailable>) at
/usr/src/sys/kern/kern_shutdown.c:844
#5 0xffffffff810afdf5 in trap_fatal (frame=0xfffffe015668acb0, eva=0) at
/usr/src/sys/amd64/amd64/trap.c:944
#6 <signal handler called>
#7 0xffffffff80f46649 in slab_free_item (zone=0xfffffe015a7c8000,
slab=0xfffff80e00000158, item=<optimized out>) at
/usr/src/sys/vm/uma_core.c:4691
#8 zone_release (arg=0xfffffe015a7c8000, bucket=0xfffff80f4784e410,
cnt=<optimized out>) at /usr/src/sys/vm/uma_core.c:4730
#9 0xffffffff80f4b70a in bucket_drain (zone=zone@entry=0xfffffe015a7c8000,
bucket=bucket@entry=0xfffff80f4784e400) at /usr/src/sys/vm/uma_core.c:1312
#10 0xffffffff80f4ba7a in bucket_free (zone=0xfffffe015a7c8000,
bucket=0xfffff80f4784e400, udata=0x0) at /usr/src/sys/vm/uma_core.c:520
#11 bucket_cache_reclaim_domain (zone=zone@entry=0xfffffe015a7c8000,
drain=<optimized out>, trim=<optimized out>, domain=<optimized out>,
domain@entry=0) at /usr/src/sys/vm/uma_core.c:1509
#12 0xffffffff80f49412 in bucket_cache_reclaim (zone=0xfffffe015a7c8000,
drain=<optimized out>, domain=-1) at /usr/src/sys/vm/uma_core.c:1534
#13 zone_reclaim (zone=0xfffffe015a7c8000, zone@entry=0xfffff80003fc5800,
domain=<optimized out>, domain@entry=-1, waitok=waitok@entry=1,
drain=<optimized out>) at /usr/src/sys/vm/uma_core.c:1674
#14 0xffffffff80f4927c in uma_zone_reclaim_domain (zone=<optimized out>,
req=<optimized out>, req@entry=1, domain=-1) at /usr/src/sys/vm/uma_core.c:5232
#15 0xffffffff82158f03 in kmem_cache_reap_soon (cache=<optimized out>) at
/usr/src/sys/contrib/openzfs/module/os/freebsd/spl/spl_kmem.c:247
#16 0xffffffff82160451 in abd_cache_reap_now () at
/usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/abd_os.c:508
#17 0xffffffff8219a69a in arc_kmem_reap_soon () at
/usr/src/sys/contrib/openzfs/module/zfs/arc.c:4874
#18 0xffffffff821a2e59 in arc_reap_cb (arg=0xdffffb000,
zthr=0xfffff80005f13a80) at /usr/src/sys/contrib/openzfs/module/zfs/arc.c:5021
#19 0xffffffff8231121a in zthr_procedure (arg=arg@entry=0xfffff80003fc5800) at
/usr/src/sys/contrib/openzfs/module/zfs/zthr.c:245
#20 0xffffffff80bd8a5e in fork_exit (callout=0xffffffff82311160
<zthr_procedure>, arg=0xfffff80003fc5800, frame=0xfffffe015668af40) at
/usr/src/sys/kern/kern_fork.c:1093
#21 <signal handler called>
#22 mi_startup () at /usr/src/sys/kern/init_main.c:322
#23 0xffffffff80f79189 in swapper () at /usr/src/sys/vm/vm_swapout.c:755
#24 0xffffffff80385022 in btext () at /usr/src/sys/amd64/amd64/locore.S:80
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