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[Qemu-devel] weird qdev error
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] weird qdev error |
Date: |
Sun, 12 Feb 2012 19:07:44 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
I got this assert when working on qemu: pci hotplug
callback failed so qdev_free was called.
(gdb) where
#0 0x00007ffff5fa1905 in raise () from /lib64/libc.so.6
#1 0x00007ffff5fa30e5 in abort () from /lib64/libc.so.6
#2 0x00007ffff7413a7f in g_assertion_message () from
/lib64/libglib-2.0.so.0
#3 0x00007ffff7414020 in g_assertion_message_expr () from
/lib64/libglib-2.0.so.0
#4 0x00007ffff7e452a9 in object_delete (obj=0x7ffff9124e60) at
qom/object.c:375
#5 0x00007ffff7e2f5d4 in qdev_free (dev=0x7ffff9124e60)
at /home/mst/scm/qemu/hw/qdev.c:250
#6 qdev_init (dev=0x7ffff9124e60) at /home/mst/scm/qemu/hw/qdev.c:149
#7 0x00007ffff7e2a7fe in qdev_device_add (opts=0x7ffff8b0d3a0)
at /home/mst/scm/qemu/hw/qdev-monitor.c:473
#8 0x00007ffff7e06da9 in device_init_func (opts=<value optimized out>,
opaque=<value optimized out>) at /home/mst/scm/qemu/vl.c:1754
#9 0x00007ffff7e3737a in qemu_opts_foreach (list=<value optimized out>,
func=
0x7ffff7e06d90 <device_init_func>, opaque=0x0,
abort_on_failure=<value optimized out>) at qemu-option.c:1048
#10 0x00007ffff7e09cdb in main (argc=<value optimized out>, argv=<value
optimized out>,
envp=<value optimized out>) at /home/mst/scm/qemu/vl.c:3407
(gdb) frame 6
#6 qdev_init (dev=0x7ffff9124e60) at /home/mst/scm/qemu/hw/qdev.c:149
149 qdev_free(dev);
The problems seems to be that
pci_qdev_init calls do_pci_unregister_device on
hotplug error which will free the device twice?
--
MST
- [Qemu-devel] weird qdev error,
Michael S. Tsirkin <=
- Re: [Qemu-devel] weird qdev error, Michael S. Tsirkin, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Anthony Liguori, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Michael S. Tsirkin, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Anthony Liguori, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Michael S. Tsirkin, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Anthony Liguori, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Michael S. Tsirkin, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Michael S. Tsirkin, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Michael S. Tsirkin, 2012/02/12
- Re: [Qemu-devel] weird qdev error, Paolo Bonzini, 2012/02/13