Re: RELENG_14 panic (kernel: freeing uidinfo: uid = xxx, sbsize = xxx

From: mike tancsa <mike_at_sentex.net>
Date: Thu, 27 Mar 2025 13:58:46 UTC
On 3/26/2025 5:20 PM, mike tancsa wrote:
> I have seen this sort of panic twice now on 2 separate machines when 
> restarting telegraf the odd time.   Does this look familiar to anyone ?
>

Actually saw this as far back as November on RELENG_14 on a third 
machine, again when mucking about with telegraf.  Anyone have any ideas 
what might be triggering this panic ?   Going to try and randomly 
restart telegraf to see if I can trigger it. Maybe something about 
killing the process mid transmission ?

     ---Mike


> On a 14.2R this popped up
>
> kernel: freeing uidinfo: uid = 884, sbsize = 115664
>
> and then a few min later
>
> Mar  7 09:38:18 pf-cam2 kernel: freeing uidinfo: uid = 884, sbsize = 
> 115664
>
> Mar  7 09:42:17 pf-cam2 kernel: Fatal trap 12: page fault while in 
> kernel mode
> Mar  7 09:42:17 pf-cam2 kernel: cpuid = 0; apic id = 00
> Mar  7 09:42:17 pf-cam2 kernel: fault virtual address      = 0x18
> Mar  7 09:42:17 pf-cam2 kernel: fault code         = supervisor write 
> data, page not present
> Mar  7 09:42:17 pf-cam2 kernel: instruction pointer        = 
> 0x20:0xffffffff80b36899
> Mar  7 09:42:17 pf-cam2 kernel: stack pointer              = 
> 0x28:0xfffffe0116613d18
> Mar  7 09:42:17 pf-cam2 kernel: frame pointer              = 
> 0x28:0xfffffe0116613d30
> Mar  7 09:42:17 pf-cam2 kernel: code segment               = base 0x0, 
> limit 0xfffff, type 0x1b
> Mar  7 09:42:17 pf-cam2 kernel:                    = DPL 0, pres 1, 
> long 1, def32 0, gran 1
> Mar  7 09:42:17 pf-cam2 kernel: processor eflags   = interrupt 
> enabled, resume, IOPL = 0
> Mar  7 09:42:17 pf-cam2 kernel: current process            = 2 (clock 
> (0))
> Mar  7 09:42:17 pf-cam2 kernel: rdi: 0000000000000000 rsi: 
> fffff8003faf3aec rdx: 0000000000000000
> Mar  7 09:42:17 pf-cam2 kernel: rcx: 7fffffffffffffff  r8: 
> ffffffffffff3cd4  r9: 00000000ffff3cd4
> Mar  7 09:42:17 pf-cam2 kernel: rax: 0000000000000000 rbx: 
> fffff8003faf3ad0 rbp: fffffe0116613d30
> Mar  7 09:42:17 pf-cam2 kernel: r10: ffffffffffff3cd4 r11: 
> 00000000671a0b2a r12: 000f000000000000
> Mar  7 09:42:17 pf-cam2 kernel: r13: fffff806da7b0aa0 r14: 
> fffff8003faf3800 r15: fffff80001c4a740
> Mar  7 09:42:17 pf-cam2 kernel: trap number                = 12
> Mar  7 09:42:17 pf-cam2 kernel: panic: page fault
> Mar  7 09:42:17 pf-cam2 kernel: cpuid = 0
> Mar  7 09:42:17 pf-cam2 kernel: time = 1741358358
> Mar  7 09:42:17 pf-cam2 kernel: KDB: stack backtrace:
> Mar  7 09:42:17 pf-cam2 kernel: #0 0xffffffff80b8b89d at 
> kdb_backtrace+0x5d
> Mar  7 09:42:17 pf-cam2 kernel: #1 0xffffffff80b3dc01 at vpanic+0x131
> Mar  7 09:42:17 pf-cam2 kernel: #2 0xffffffff80b3dac3 at panic+0x43
> Mar  7 09:42:17 pf-cam2 kernel: #3 0xffffffff81025a0b at trap_fatal+0x40b
> Mar  7 09:42:17 pf-cam2 kernel: #4 0xffffffff81025a56 at trap_pfault+0x46
> Mar  7 09:42:17 pf-cam2 kernel: #5 0xffffffff80ffc398 at calltrap+0x8
> Mar  7 09:42:17 pf-cam2 kernel: #6 0xffffffff80be2b66 at 
> sorele_locked+0xa6
> Mar  7 09:42:17 pf-cam2 kernel: #7 0xffffffff80d21ae0 at tcp_close+0x170
> Mar  7 09:42:17 pf-cam2 kernel: #8 0xffffffff80d2b9b9 at 
> tcp_timer_2msl+0xf9
> Mar  7 09:42:17 pf-cam2 kernel: #9 0xffffffff80d2aa2e at 
> tcp_timer_enter+0xfe
> Mar  7 09:42:17 pf-cam2 kernel: #10 0xffffffff80b5bc0c at 
> softclock_call_cc+0x12c
> Mar  7 09:42:17 pf-cam2 kernel: #11 0xffffffff80b5d455 at 
> softclock_thread+0xe5
> Mar  7 09:42:17 pf-cam2 kernel: #12 0xffffffff80af760f at fork_exit+0x7f
> Mar  7 09:42:17 pf-cam2 kernel: #13 0xffffffff80ffd3fe at 
> fork_trampoline+0xe
> Mar  7 09:42:17 pf-cam2 kernel: Uptime: 94d14h13m41s
> Mar  7 09:42:17 pf-cam2 kernel: Dumping 4577 out of 65260 
> MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%---<<BOOT>>---
>
>
> and just now in a VM a similar sort of pattern.  uid 884 is telegraf 
> and I was mucking about with the configuration.
>
> And on a RELENG_14 box (kernel from Jan 31st)
>
> Mar 26 17:09:43 pf-firewall kernel: freeing uidinfo: uid = 884, sbsize 
> = 99600
> Mar 26 17:11:26 pf-firewall syslogd: kernel boot file is 
> /boot/kernel/kernel
> Mar 26 17:11:26 pf-firewall kernel: panic: vm_fault_lookup: fault on 
> nofault entry, addr: 0xffffffff80aea000
> Mar 26 17:11:26 pf-firewall kernel: cpuid = 0
> Mar 26 17:11:26 pf-firewall kernel: time = 1743023443
> Mar 26 17:11:26 pf-firewall kernel: KDB: stack backtrace:
> Mar 26 17:11:26 pf-firewall kernel: #0 0xffffffff80b8d13d at 
> kdb_backtrace+0x5d
> Mar 26 17:11:26 pf-firewall kernel: #1 0xffffffff80b3ef01 at vpanic+0x161
> Mar 26 17:11:26 pf-firewall kernel: #2 0xffffffff80b3ed93 at panic+0x43
> Mar 26 17:11:26 pf-firewall kernel: #3 0xffffffff80ebcf67 at 
> vm_fault+0x15b7
> Mar 26 17:11:26 pf-firewall kernel: #4 0xffffffff80ebb8c1 at 
> vm_fault_trap+0x81
> Mar 26 17:11:26 pf-firewall kernel: #5 0xffffffff8102c97a at 
> trap_pfault+0x20a
> Mar 26 17:11:26 pf-firewall kernel: #6 0xffffffff81003748 at calltrap+0x8
> Mar 26 17:11:26 pf-firewall kernel: #7 0xffffffff80b2d837 at 
> crfree_final+0x17
> Mar 26 17:11:26 pf-firewall kernel: #8 0xffffffff80cfc156 at 
> in_pcbfree+0x2a6
> Mar 26 17:11:26 pf-firewall kernel: #9 0xffffffff80be4229 at 
> sorele_locked+0x89
> Mar 26 17:11:26 pf-firewall kernel: #10 0xffffffff80d242b0 at 
> tcp_close+0x170
> Mar 26 17:11:26 pf-firewall kernel: #11 0xffffffff80d2e23b at 
> tcp_timer_2msl+0xfb
> Mar 26 17:11:26 pf-firewall kernel: #12 0xffffffff80d2d2b4 at 
> tcp_timer_enter+0x104
> Mar 26 17:11:26 pf-firewall kernel: #13 0xffffffff80b5d139 at 
> softclock_call_cc+0x129
> Mar 26 17:11:26 pf-firewall kernel: #14 0xffffffff80b5e905 at 
> softclock_thread+0xe5
> Mar 26 17:11:26 pf-firewall kernel: #15 0xffffffff80af8471 at 
> fork_exit+0x81
> Mar 26 17:11:26 pf-firewall kernel: #16 0xffffffff810047ae at 
> fork_trampoline+0xe
> Mar 26 17:11:26 pf-firewall kernel: Uptime: 54d4h48m5s
> Mar 26 17:11:26 pf-firewall kernel: Automatic reboot in 15 seconds - 
> press a key on the console to abort
> Mar 26 17:11:26 pf-firewall kernel: Rebooting...
>
>
>
>