<div dir="ltr"><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:""">Hi, I have two graphics card in a pc, the two graphics card are in downstream of a PLX/PEX PCIE Bridge Chip. </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">I test four VM to run furmark bencehmark. </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">But after a few minutes, I got some errors from kernel:</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><br></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1012.160863] pcieport 0000:80:02.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=8010(Requester ID)</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1012.164695] pcieport 0000:80:02.0:   device [8086:2f04] error status/mask=00004000/00000000</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1012.168566] pcieport 0000:80:02.0:    [14] Completion Timeout     (First)</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1012.178387] pcieport 0000:80:02.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=8010(Requester ID)</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1012.186594] pcieport 0000:80:02.0:   device [8086:2f04] error status/mask=00004000/00000000</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1012.191010] pcieport 0000:80:02.0:    [14] Completion Timeout     (First)</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[ 1215.142467] vfio-pci 0000:88:00.1: timed out waiting for pending transaction; performing function level reset anyway</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-size:10.5pt;line-height:1.5;background-color:window"><br></span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px">and I check the vm state, all of them are paused. I can't use virsh reset command to reset these vm.</div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><br></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""><span style="font-family:"""><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span></span></span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">[root@test ~]# <i>virsh list</i></span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">Id    Name                           State</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""><span style="font-family:"""><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span></span></span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">----------------------------------------------------</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">5     S850-06                    paused</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">6     S850-05                    paused</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5"><br></span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px">and the lspci result is </div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><br></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""><span style="font-family:"""><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span></span></span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">[root@test ~]# <i>lspci -nns 80:02.0</i></span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""><span style="font-family:"""><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span></span></span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">80:02.0 PCI bridge [0604]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 [8086:2f04] (rev 02)</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:""">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-size:10.5pt;line-height:1.5;background-color:window">[root@test ~]# <i>lspci -tvv</i></span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">+-[0000:80]-+-02.0-[81-8e]----00.0-[82-8e]--+-08.0-[83-88]----00.0-[84-88]--+-01.0-[85]----00.0   </span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">|                                                                          |                                                    +-02.0-[86]----00.0   </span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">|                                                                          |                                                    +-04.0-[87]--+-00.0  Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde PRO [Radeon HD 8740]</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">|                                                                          |                                                     |                     \-00.1  Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">|                                                                          |                                                     \-05.0-[88]--+-00.0  Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde PRO [Radeon HD 8740]</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><span style="font-family:"""> </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="font-family:"";font-size:10.5pt;line-height:1.5;background-color:window">    </span><span style="background-color:window;font-family:"";font-size:10.5pt;line-height:1.5">|                                                                          |                                                                           \-00.1  Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]</span></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><br></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><br></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px"><br></div><div style="color:rgb(0,0,0);font-family:"microsoft yahei ui";font-size:14px;line-height:21px">Is it impossible to reset vm or vfio-pci after a pcie aer happen?</div></div>