In message <CAGSa5y0QiKV9SgJYJ_mz3SnJGNjieHSvYP8nLjt9eWXo4RU6ww_at_mail.gmail.c om> , Jeremie Le Hen writes: > On Mon, Dec 21, 2015 at 12:57 AM, Adrian Chadd <adrian.chadd_at_gmail.com> wrote > : > > can you copy/paste the file:line that each of those stackframes represents? > > > > I may have an idea or two.. > > Sure here we go: > > (kgdb) list *vesa_configure+0x270 > 0xffffffff80b25cd0 is in vesa_configure (/usr/src-svn/sys/dev/fb/vesa.c:827). > > (kgdb) list *vga_init+0x65 > 0xffffffff80b286e5 is in vga_init (/usr/src-svn/sys/dev/fb/vga.c:1402). > > (kgdb) list *isavga_attach+0x92 > 0xffffffff80b9afd2 is in isavga_attach (/usr/src-svn/sys/isa/vga_isa.c:224). Here is what I see. Only happens on real hardware (not VirtualBox VMs). uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: console (9600,n,8,1) acpi_alloc_wakeup_handler: can't alloc wake memory orm0: <ISA Option ROM> at iomem 0xc0000-0xcc7ff on isa0 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x0 fault code = supervisor write data, page not present instruction pointer = 0x20:0xffffffff80bb7284 stack pointer = 0x28:0xffffffff81e4f960 frame pointer = 0x28:0xffffffff81e4f970 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 = 0 (swapper) trap number = 12 panic: page fault cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff81e4f4f0 vpanic() at vpanic+0x182/frame 0xffffffff81e4f570 panic() at panic+0x43/frame 0xffffffff81e4f5d0 trap_fatal() at trap_fatal+0x351/frame 0xffffffff81e4f630 trap_pfault() at trap_pfault+0x1e4/frame 0xffffffff81e4f690 trap() at trap+0x46e/frame 0xffffffff81e4f8a0 calltrap() at calltrap+0x8/frame 0xffffffff81e4f8a0 --- trap 0xc, rip = 0xffffffff80bb7284, rsp = 0xffffffff81e4f970, rbp = 0xffffffff81e4f970 --- bcopy() at bcopy+0x24/frame 0xffffffff81e4f970 vesa_configure() at vesa_configure+0x270/frame 0xffffffff81e4fb60 vga_init() at vga_init+0x65/frame 0xffffffff81e4fb80 isavga_attach() at isavga_attach+0x92/frame 0xffffffff81e4fbc0 device_attach() at device_attach+0x420/frame 0xffffffff81e4fc20 isa_probe_children() at isa_probe_children+0x211/frame 0xffffffff81e4fc90 mi_startup() at mi_startup+0x108/frame 0xffffffff81e4fcb0 btext() at btext+0x2c Uptime: 1s acpi0: reset failed - timeout Automatic reboot in 15 seconds - press a key on the console to abort It's getting late here. I'll try digging around tomorrow. -- Cheers, Cy Schubert <Cy.Schubert_at_komquats.com> or <Cy.Schubert_at_cschubert.com> FreeBSD UNIX: <cy_at_FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.Received on Thu Jan 07 2016 - 08:47:38 UTC
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