Re: [Qemu-devel] [Bug 1182490] [NEW] [qemu-1.5] coroutine-win32.c broken on NULL pointer

[Dongsheng Song]

Use rootfs download from
https://i18n-zh.googlecode.com/files/armhf_wheezy_qemu_20130518.7z

SET PATH=E:\opt\qemu-1.5.0-win64
SET QEMU_LD_PREFIX=E:\opt\qemu-1.5.0-win64

cd E:\var\tmp\armhf_wheezy_qemu

E:\var\tmp\armhf_wheezy_qemu>qemu-system-arm -M vexpress-a9 -cpu
cortex-a9 -m 512 -uuid e04ec652-8bed-11e2-86b9-000c290c10de -drive
file=armhf_wheezy.img,if=sd,cache=writeback -kernel
vmlinuz-3.2.0-4-vexpress -initrd initrd.img-3.2.0-4-vexpress -append
"root=/dev/mmcblk0 rw init=/sbin/init"

E:\var\tmp\armhf_wheezy_qemu>gdb qemu-system-arm
(gdb) set args -M vexpress-a9 -cpu cortex-a9 -m 512 -uuid
e04ec652-8bed-11e2-86b9-000c290c10de -drive
file=armhf_wheezy.img,if=sd,cache=writeback -kernel
vmlinuz-3.2.0-4-vexpress -initrd initrd.img-3.2.0-4-vexpress -append
"root=/dev/mmcblk0 rw init=/sbin/init"

(gdb) run
Starting program: E:\opt\qemu-1.5.0-win64\qemu-system-arm.exe -M vexpress-a9 -cp
u cortex-a9 -m 512 -uuid e04ec652-8bed-11e2-86b9-000c290c10de -drive file=armhf_
wheezy.img,if=sd,cache=writeback -kernel vmlinuz-3.2.0-4-vexpress -initrd initrd
.img-3.2.0-4-vexpress -append "root=/dev/mmcblk0 rw init=/sbin/init"
[New Thread 2164.0x480]
[New Thread 2164.0x1ac]
[New Thread 2164.0x162c]
[New Thread 2164.0x514]
[New Thread 2164.0xa6c]
[New Thread 2164.0xc14]
[New Thread 2164.0x854]
[New Thread 2164.0xc1c]
[New Thread 2164.0x169c]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 2164.0x162c]
0x000000000043e2cd in ?? ()

On Thu, May 23, 2013 at 8:08 PM, Stefan Hajnoczi <address@hidden> wrote:
> On Tue, May 21, 2013 at 02:11:05PM -0000, Cauchy Song wrote:
>> Public bug reported:
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> [Switching to Thread 4340.0x163c]
>> qemu_coroutine_switch (action=COROUTINE_TERMINATE, to_=0x0, from_=0x3ba1c80)
>>     at /home/cauchy/vcs/git/qemu/coroutine-win32.c:47
>> (gdb) bt
>> #0  qemu_coroutine_switch (action=COROUTINE_TERMINATE, to_=0x0,
>>     from_=0x3ba1c80) at /home/cauchy/vcs/git/qemu/coroutine-win32.c:47
>> #1  coroutine_trampoline (co_=0x3ba1c80)
>>     at /home/cauchy/vcs/git/qemu/coroutine-win32.c:58
>> #2  0x0000000077098fed in ?? ()
>> #3  0x0000000000000000 in ?? ()
>
> What is the command-line?
>
> How do you reproduce the crash?
>
> Stefan
>