Messages in this thread | | | Date | Tue, 14 Jan 2014 10:47:35 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [x86, kaslr] BUG: kernel boot hang |
| |
On 01/14/2014 10:26 AM, Kees Cook wrote: >> >> [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 >> [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] >> [ 0.000000] [mem 0x00000000-0x000fffff] page 4k >> [ 0.000000] BRK [0x07886000, 0x07886fff] PGTABLE >> [ 0.000000] BRK [0x07887000, 0x07887fff] PGTABLE >> [ 0.000000] BRK [0x07888000, 0x07888fff] PGTABLE >> PANIC: early exception 0e rip 10:ffffffff86204c6e error 0 cr2 ffffffff81972b28 >> [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.0-rc4-00008-g6e6a493 #614 >> PANIC: early exception 0e rip 10:ffffffff86204f22 error 0 cr2 ffffffff81972b28 > > I will try to reproduce this, but it's not clear to me what is causing > the failure. The generated config doesn't look insane to me, so I'm > not sure what's happening here. Is QEMU doing something unexpected > with the ordering of where things go for its boot loader? >
It used to, but I fixed it up a long time ago and now it is really bog standard.
More likely it just happens to trigger a corner condition, which is actually a good thing... much easier to debug in a simulator.
-hpa
| |