Page fault

karthik holla karthikholla87 at gmail.com
Fri Jul 25 06:45:30 PDT 2025


> There's not enough information to make a meaningful guess.

> Could you post a backtrace?

> 1. cd /var/crash (or whenever you set)
> 2. kgdb kern.3 vmcore.3
> 3. (kgdb) bt

Hi,
Here is the output of backtrace.

(kgdb) bt
> #0  _get_mycpu () at ./machine/thread.h:69
> #1  panic (fmt=fmt at entry=0xffffffff80c55a05 "%s") at
> /usr/src/sys/kern/kern_shutdown.c:868
> #2  0xffffffff80bea6a1 in trap_fatal (frame=frame at entry=0xfffff800d9a24828,
> eva=<optimized out>)
>     at /usr/src/sys/platform/pc64/x86_64/trap.c:1100
> #3  0xffffffff80beacc5 in trap_pfault (usermode=0,
> frame=0xfffff800d9a24828) at /usr/src/sys/platform/pc64/x86_64/trap.c:995
> #4  trap_pfault (frame=0xfffff800d9a24828, usermode=0) at
> /usr/src/sys/platform/pc64/x86_64/trap.c:854
> #5  0xffffffff80beb1ec in trap (frame=0xfffff800d9a24828) at
> /usr/src/sys/platform/pc64/x86_64/trap.c:629
> #6  0xffffffff80bae8da in calltrap () at
> /usr/src/sys/platform/pc64/x86_64/exception.S:319
> #7  0xffffffff809bc730 in vm_pageout_scan_active
> (recycle_countp=<synthetic pointer>, marker=0xfffff800d9a29100,
>     inactive_shortage=21, avail_shortage=<optimized out>, q=0,
> pass=<optimized out>) at /usr/src/sys/vm/vm_pageout.c:1572
> #8  vm_pageout_thread () at /usr/src/sys/vm/vm_pageout.c:2641
> #9  0xffffffff806477f0 in ?? () at /usr/src/sys/kern/kern_kthread.c:68
> #10 0x0000000000000000 in ?? ()
>

Thank You
Karthik
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