Re: [Qemu-devel] [PATCH] pci: deassert intx when pci device unrealize

[Marcel Apfelbaum]

On 04/25/2017 05:29 AM, Herongguang (Stephen) wrote:

If a pci device is not reset by VM (by writing into config space)
and unplugged by VM, after that when VM reboots, qemu may assert:
pcibus_reset: Assertion `bus->irq_count[i] == 0' failed

Signed-off-by: herongguang <herongguang...@huawei.com>
---
 hw/pci/pci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 259483b..98ccc27 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1083,6 +1083,7 @@ static void pci_qdev_unrealize(DeviceState *dev, Error 
**errp)
         pc->exit(pci_dev);
     }

+    pci_device_deassert_intx(pci_dev);
     do_pci_unregister_device(pci_dev);
 }

--
1.7.12.4

Reviewed-by: Marcel Apfelbaum <mar...@redhat.com>

Thanks,
Marcel