Re: Page Fault on real hardware
Matthias Lange <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.devel |
|---|---|
| Message-ID | <20121029171248.GA21660@basswood> |
On Mon, Oct 29, 2012 at 09:54:40AM -0700, Wajidali Whowe wrote: > Dear all, > > I also tried the x86-mp_vPCI_defconfig and x86-native_defconfig (For both of them I only deactivated PMEM support) and now they resulted in the following outputs, where the PC might also not be seen, i.e. there is no page fault but the Trap 13: > .. > .. > vmlinuz . | main thread will be 414 > vmlinuz . | l4x_register_pointer_section: addr = 006a8000 size = 2072576 > vmlinuz . | section-with-init: virt: 0x6a8000 to 0x8a1fff [2024KiB] > vmlinuz . | section-with-init: Phys: .... > .. > .. > vmlinuz . | Loading: rom/ramdiskfs.tar.gz > vmlinuz . | INITRD: Size of RAMdisk is 32768KiB > vmlinuz . | RAMdisk from 18c000000 to 1ac00000 [32768KiB] > Die message: Trap: 13 > vmlinuz . | panic: going to sleep forever, bye > > > Would it be possible to find out the specific definitions for the Traps? For instance does Trap number (in our case 13) tell about the reasons? Yes. Trap #13 on x86 is a general protection fault. See Intel's IA-32 Software Developer Manual 3A, chapter 6 for more details. Matthias. -- Dipl.-Inf. Matthias Lange <[email protected]> Security in Telecommunications TU Berlin / Telekom Innovation Laboratories Ernst-Reuter-Platz 7, 10587 Berlin Phone: +49 - 30 - 8353 58 553 Mobile: +49 - 160 - 587 28 07 Web: http://www.t-labs.tu-berlin.de/sect