l4android boot fails for page-fault

Matthias Lange mlange at sec.t-labs.tu-berlin.de
Wed Jun 19 22:11:16 CEST 2013


On Wed, Jun 19, 2013 at 09:38:52PM +0800, longjks wrote:
> Hi,
> I am using l4android3.5 to boot Android 4.0.4, However, Android can not boot rightly for some page-fault,
> Here is the log:
> !WARN: vold: Page-fault above task size: pfa=ffff00c0 pc=b7b07758 TASK_SIZE: bfc00000
> !0: ffff00b4 00000005 00000000 ffff00b4  4: b7b33004 00000005 00000004 0000ab1c
> !8: b0012fa8 b7b36000 00050000 b7af1000 12: 00000000 bf908410 b0003a43 b7b07758
> !CPSR: 40000130 Err: 0041000f
> Any guys have some idea for solving this problem?

Maybe this is a problem related to TLS. You can disassemble vold and look
what's at 0xb7b07758. The address looks like it is in some library, maybe
bionic.

Matthias.


-- 
Dipl.-Inf. Matthias Lange <mlange at sec.t-labs.tu-berlin.de>
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
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