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Re: [Qemu-devel] Abort in monitor_puts.
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] Abort in monitor_puts. |
Date: |
Fri, 22 Mar 2013 16:50:39 -0400 |
On Fri, 22 Mar 2013 10:17:58 +0100
KONRAD Frédéric <address@hidden> wrote:
> Hi,
>
> Seems there is an issue with the current git (found by toddf on IRC).
>
> To reproduce:
>
> ./qemu-system-x86_64 --monitor stdio --nographic
>
> and put "?" it should abort.
>
> Here is the backtrace:
>
> #0 0x00007f77cd347935 in raise () from /lib64/libc.so.6
> #1 0x00007f77cd3490e8 in abort () from /lib64/libc.so.6
> #2 0x00007f77cd3406a2 in __assert_fail_base () from /lib64/libc.so.6
> #3 0x00007f77cd340752 in __assert_fail () from /lib64/libc.so.6
> #4 0x00007f77d1c1f226 in monitor_puts (mon=<optimized out>,
> str=<optimized out>) at
Yes, it's easy to reproduce. Bisect says:
f628926bb423fa8a7e0b114511400ea9df38b76a is the first bad commit
commit f628926bb423fa8a7e0b114511400ea9df38b76a
Author: Gerd Hoffmann <address@hidden>
Date: Tue Mar 19 10:57:56 2013 +0100
fix monitor
chardev flow control broke monitor, fix it by adding watch support.
Signed-off-by: Anthony Liguori <address@hidden>
My impression is that monitor_puts() in being called in parallel.