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From: | Michael Tokarev |
Subject: | [Qemu-devel] commit da57febfed "qdev: give all devices a canonical path" broke usb_del |
Date: | Wed, 08 Aug 2012 16:18:09 +0400 |
User-agent: | Mozilla/5.0 (X11; Linux i686 on x86_64; rv:10.0.5) Gecko/20120624 Icedove/10.0.5 |
While dealing with USB issues today I noticed that usb_del monitor command is broken, attempting to delete any usb device immediately results in assertion failure: (qemu) usb_del 0.1 ERROR:qom/object.c:408:object_delete: assertion failed: (obj->ref == 0) Aborted I bisected this issue to commit: commit da57febfed7bad11be79f047b59719c38abd0712 Author: Paolo Bonzini <address@hidden> Date: Tue Mar 27 18:38:47 2012 +0200 qdev: give all devices a canonical path A strong limitation of QOM right now is that unconverted ports (e.g. all...) do not give a canonical path to devices that are part of the board. This in turn makes it impossible to replace PROP_PTR with a QOM link for example. Reviewed-by: Anthony Liguori <address@hidden> Signed-off-by: Paolo Bonzini <address@hidden> Signed-off-by: Anthony Liguori <address@hidden> The problem is still present in current qemu/master git. I'm not sure what to do with this. See also http://lists.gnu.org/archive/html/qemu-devel/2012-07/msg00199.html -- Peter Maydell reoprted this very issue a while back but no one replied. Thanks, /mjt
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