[Bug 223770] After FreeBSD 11.1 Update: Fatal trap 12: page fault while in kernel mode

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223770

            Bug ID: 223770
           Summary: After FreeBSD 11.1 Update: Fatal trap 12: page fault
                    while in kernel mode
           Product: Base System
           Version: 11.1-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: tz at freebsd.org

Hello,

after upgrading my Laptop to FreeBSD 11.1 it had a problem when starting. From
time to time i got a page fault and it restarts. Its not every time. Sometimes
it reboots up to 5 times, sometimes there is just a single reboot.

In /var/log/messages i found this error-log:

Nov 15 18:36:46 kara kernel: cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
Nov 15 18:36:46 kara kernel: kernel trap 12 with interrupts disabled
Nov 15 18:36:46 kara kernel: 
Nov 15 18:36:46 kara kernel: 
Nov 15 18:36:46 kara kernel: Fatal trap 12: page fault while in kernel mode
Nov 15 18:36:46 kara kernel: cpuid = 1; apic id = 01
Nov 15 18:36:46 kara kernel: fault virtual address      = 0x1e8
Nov 15 18:36:46 kara kernel: fault code         = supervisor read data, page
not present
Nov 15 18:36:46 kara kernel: instruction pointer        =
0x20:0xffffffff808ea31e
Nov 15 18:36:46 kara kernel: stack pointer              =
0x28:0xfffffe00003c4f00
Nov 15 18:36:46 kara kernel: frame pointer              =
0x28:0xfffffe00003c4f70
Nov 15 18:36:46 kara kernel: code segment               = base 0x0, limit
0xfffff, type 0x1b
Nov 15 18:36:46 kara kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
Nov 15 18:36:46 kara kernel: processor eflags   = resume, IOPL = 0
Nov 15 18:36:46 kara kernel: current process            = 12 (irq263:
ahci0:ch1)
Nov 15 18:36:46 kara kernel: trap number                = 12
Nov 15 18:36:46 kara kernel: panic: page fault
Nov 15 18:36:46 kara kernel: cpuid = 1
Nov 15 18:36:46 kara kernel: KDB: stack backtrace:
Nov 15 18:36:46 kara kernel: #0 0xffffffff80aada97 at kdb_backtrace+0x67
Nov 15 18:36:46 kara kernel: #1 0xffffffff80a6bb76 at vpanic+0x186
Nov 15 18:36:46 kara kernel: #2 0xffffffff80a6b9e3 at panic+0x43
Nov 15 18:36:46 kara kernel: #3 0xffffffff80edf832 at trap_fatal+0x322
Nov 15 18:36:46 kara kernel: #4 0xffffffff80edf889 at trap_pfault+0x49
Nov 15 18:36:46 kara kernel: #5 0xffffffff80edf0c6 at trap+0x286
Nov 15 18:36:46 kara kernel: #6 0xffffffff80ec3641 at calltrap+0x8
Nov 15 18:36:46 kara kernel: #7 0xffffffff808f26d8 at vt_flush+0x398
Nov 15 18:36:46 kara kernel: #8 0xffffffff80ac09cf at termcn_cnputc+0xff
Nov 15 18:36:46 kara kernel: #9 0xffffffff80a100ed at cnputc+0x7d
Nov 15 18:36:46 kara kernel: #10 0xffffffff80a103f8 at cnputs+0xb8
Nov 15 18:36:46 kara kernel: #11 0xffffffff80ab36ad at putchar+0x14d
Nov 15 18:36:46 kara kernel: #12 0xffffffff80ab323d at kvprintf+0x103d
Nov 15 18:36:46 kara kernel: #13 0xffffffff80ab3ea7 at vprintf+0x87
Nov 15 18:36:46 kara kernel: #14 0xffffffff80ab3e13 at printf+0x43
Nov 15 18:36:46 kara kernel: #15 0xffffffff80307c52 at xpt_announce_periph+0x62
Nov 15 18:36:46 kara kernel: #16 0xffffffff8032e089 at cddone+0x249
Nov 15 18:36:46 kara kernel: #17 0xffffffff8030dbe7 at xpt_done_process+0x677
Nov 15 18:36:46 kara kernel: Uptime: 1s

I'm not familiar with such errors or how to solve them. If you need any more
information i'm glad to help!

Greetings,
Torsten

-- 
You are receiving this mail because:
You are the assignee for the bug.