Kernel panic: > Fatal trap 1: privileged instruction fault while in kernel mode > cpuid = 0; apic id = 00 > instruction pointer = 0x21:0xc031ac5c > stack pointer = 0x29:0xc2719c84 > frame pointer = 0x29:0xc2719c88 > code segment = base rx0, limit 0xf9800, type 0x1b > = DPL 1, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 11 (idle: cpu0) > trap number = 1 > panic: privileged instruction fault > cpuid = 0 > KDB: stack backtrace: > #0 0xc0106057 at kdb_backtrace+0x47 > #1 0xc00d3c47 at panic+0x117 > #2 0xc032efa3 at dblfault_handler+0x3c3 > #3 0xc032f8ad at trap+0x5ed > #4 0xc03150bb at alltraps+0x1b > #5 0xc031acb0 at cpu_idle+0x30 > #6 0xc00f9133 at sched_idletd+0x263 > #7 0xc00aa7a8 at fork_exit+0xb8 > #8 0xc0315134 at fork_trampoline+0x8 > Uptime: 1s The privileged instruction fault is being triggered by mwait. Fix: Setting machdep.idle_mwait=0 prevents this panic.
Responsible Changed From-To: freebsd-bugs->freebsd-xen Over to maintainer(s).
For bugs matching the following criteria: Status: In Progress Changed: (is less than) 2014-06-01 Reset to default assignee and clear in-progress tags. Mail being skipped
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^Triage: I'm sorry that this PR did not get addressed in a timely fashion. By now, the version that it was created against is long out of support. Please re-open if it is still a problem on a supported version.