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Re: [Qemu-stable] [Qemu-devel] [PATCH] pci: deassert intx when pci devic


From: Marcel Apfelbaum
Subject: Re: [Qemu-stable] [Qemu-devel] [PATCH] pci: deassert intx when pci device unrealize
Date: Tue, 25 Apr 2017 08:09:53 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

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 <address@hidden>
---
 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 <address@hidden>

Thanks,
Marcel



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