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xen-arm
RE: [XenARM] android emulator
Hello Michael,
What optimization option do you use? -O2? -O0? Don't use -O0. You will have
segfault. Could you run backtrace command on segfault? In addition, please
provide more detail of your environment.
-caz
P.S. You may not hear from anybody other than me. This is a very quiet
mailing list.
-----Original Message-----
From: xen-arm-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-arm-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Michael R. Hines
Sent: Monday, October 19, 2009 12:58 PM
To: xen-arm@xxxxxxxxxxxxxxxxxxx
Subject: [XenARM] android emulator
Greetings,
I have followed all the instructions in the Secure XenARM manual and I
went through section A.2 on how to build XenARM for the Android
emulator. I successfully built the arm-port of Xen as well as the
arm-port of mini-os and I built the patched version of QEMU 0.82.
When I tried to run the emulator, I get a segfault - From what I can
tell, the fault occurs at the very first instruction when QEMU attempts
to start running the Xen hypervisor.
Here is the output of a sample GDB session:
$ gdb emulator
$ (gdb) run -guest0 0x01c00000 mini-os.elf -guest1 0x02c00000
mini-os.elf -show-kernel -system ./images -shell -qemu -s
Starting program: ../android-emulator-xen_arm/emulator -guest0
0x01c00000 mini-os.elf -guest1 0x02c00000 mini-os.elf -show-kernel
-system ./images -shell -qemu -s
[Thread debugging using libthread_db enabled]
guest0 - mini-os.elf
guest1 - mini-os.elf
[New Thread 0x7f32a807c6f0 (LWP 5913)]
[New Thread 0x7f329e9f0950 (LWP 5916)]
[New Thread 0x7f329e1ef950 (LWP 5917)]
Waiting gdb connection on port 1234
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f32a807c6f0 (LWP 5913)]
0x0000000000000000 in ?? ()
(gdb)
Any ideas on where I could start debugging this? Or are there updated
patches to make this work?
--
/*
* Michael R. Hines
* Post-Doc, Dept. of Computer Science
* http://www.cs.columbia.edu/~mhines/
* Live long and prosper...
*/
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