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From: Dominik Csapak <d.csapak@proxmox.com>
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Subject: [pve-devel] [PATCH qemu-server 1/1] pci: don't hard require
resetting devices for passthrough
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Since pve-common commit:
eff5957 (sysfstools: file_write: properly catch errors)
this check here fails now when the reset does not work. It turns out
that resetting the device is not always necessary, and we previously
ignored most errors when trying to do so.
To restore that functionality, downgrade this `die` to a warning.
If the device really needs a reset to work, it will either fail later
during startup, or not work correctly in the guest, but that behavior
existed before and is AFAIK not really detectable from our side.
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
PVE/QemuServer/PCI.pm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/PVE/QemuServer/PCI.pm b/PVE/QemuServer/PCI.pm
index 75eac134..dceb8938 100644
--- a/PVE/QemuServer/PCI.pm
+++ b/PVE/QemuServer/PCI.pm
@@ -728,7 +728,7 @@ sub prepare_pci_device {
} else {
die "can't unbind/bind PCI group to VFIO '$pciid'\n"
if !PVE::SysFSTools::pci_dev_group_bind_to_vfio($pciid);
- die "can't reset PCI device '$pciid'\n"
+ warn "can't reset PCI device '$pciid'\n"
if $info->{has_fl_reset} && !PVE::SysFSTools::pci_dev_reset($info);
}
--
2.39.5
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