https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277329
Bug ID: 277329
Summary: SA-24:02.tty causes kernel panic
Product: Base System
Version: Unspecified
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
The error does not occur with the default /etc/ttys. However, I have set ttyv0
to off. Then you can provoke the crash in a stable way by calling sysctl -A
<kern.crit> dsspkg kernel
<kern.crit> dsspkg syslogd last message repeated 1 times
<kern.crit> dsspkg kernel Fatal trap 12: page fault while in kernel mode
<kern.crit> dsspkg kernel cpuid = 39; apic id = 39
<kern.crit> dsspkg kernel fault virtual address = 0x140
<kern.crit> dsspkg kernel fault code = supervisor write data, page
not present
<kern.crit> dsspkg kernel instruction pointer = 0x20:0xffffffff80be7401
<kern.crit> dsspkg kernel stack pointer = 0x28:0xfffffe05d11d5b90
<kern.crit> dsspkg kernel frame pointer = 0x28:0xfffffe05d11d5bd0
<kern.crit> dsspkg kernel code segment = base 0x0, limit 0xfffff, type
0x1b
<kern.crit> dsspkg kernel = DPL 0, pres 1, long 1, def32
0, gran 1
<kern.crit> dsspkg kernel processor eflags = interrupt enabled, resume,
IOPL = 0
<kern.crit> dsspkg kernel current process = 86235 (sysctl)
<kern.crit> dsspkg kernel rdi: fffff801070bcc00 rsi: fffff8035ca9fc00 rdx:
0000000000000000
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