https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288904
Bug ID: 288904
Summary: Intermittent Spontaneous Server Reboots
Product: Base System
Version: 14.3-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Since 14.0 (starting with 14.1) I have had an intermittent problem with my
server which, previously, ran for weeks without a problem. Now it
spontaneously reboots. This is the dump info I get (every time):
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 04
fault virtual address = 0x1d
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff80d3c002
stack pointer = 0x0:0xfffffe00828d2b40
frame pointer = 0x0:0xfffffe00828d2bc0
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 = 2 (clock (0))
rdi: 0000000000000000 rsi: 0000000000000000 rdx: fffffe00828d2d28
rcx: 0000000000000000 r8: 0000000000000000 r9: 0000000000000000
rax: 0000000000000000 rbx: 0000000000000000 rbp: fffffe00828d2bc0
r10: 00000000000004fc r11: 000000000000144a r12: fffff801cdea36d0
r13: 0000000000000034 r14: fffff80041ed2000 r15: 00000000000004fc
trap number = 12
panic: page fault
cpuid = 2
time = 1755367015
KDB: stack backtrace:
#0 0xffffffff80ba8f1d at kdb_backtrace+0x5d
#1 0xffffffff80b5aa11 at vpanic+0x161
#2 0xffffffff80b5a8a3 at panic+0x43
#3 0xffffffff8104db7a at trap_pfault+0x3da
#4 0xffffffff81023d88 at calltrap+0x8
#5 0xffffffff80d3a2de at tcp_default_output+0x121e
#6 0xffffffff80d4b0cd at tcp_timer_delack+0x6d
#7 0xffffffff80d4a064 at tcp_timer_enter+0x104
#8 0xffffffff80b78c79 at softclock_call_cc+0x129
#9 0xffffffff80b7a445 at softclock_thread+0xe5
#10 0xffffffff80b13641 at fork_exit+0x81
#11 0xffffffff81024dee at fork_trampoline+0xe
Uptime: 11d15h43m51s
Dumping 986 out of 8042 MB:..2%..12%..22%..31%..41%..51%..62%..72%..82%..91%
Dump complete
Automatic reboot in 15 seconds - press a key on the console to abort
---<<BOOT>>---
I have tried changing the RAM and changing network adapter. I have swapped in
a backup server with the same hardware. None of that has fixed it.
However, I put in a backup with 14.0 and it did not have the problem.
Something seems to have changed with 14.1 (and going forward through 14.3).
Because it's intermittent it takes days, sometimes weeks for the problem to
recur so it's hard to know if a change makes a difference without waiting. I
have found no way to otherwise replicate the reboot.
Thanks...
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