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Diffstat (limited to 'results/scraper/launchpad-without-comments/1256122')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1256122 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1256122 b/results/scraper/launchpad-without-comments/1256122 new file mode 100644 index 000000000..92ce2dc60 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1256122 @@ -0,0 +1,22 @@ +vfio bug with all no VGA card + +Hello, + +I whant to report to you a realy big bug. + +vfio passthrough work only with VGA card ! When i try to use vfio with any other PCI or PCI-E card it does not work. + +When i use vfio for VGA i can reboot (or shutdown and start again) my VM with out problem, but for any other PCI card the VM refuse to reboot. + +In dmesg i have this error : + +dmar: DRHD: handling fault status reg 2 +dmar: DMAR:[DMA Read] Request device [xx:xx.x] fault addr 2affde000 +DMAR:[fault reason 06] PTE Read access is not set + +and some time the same but for Write and not Read. + +I found a kind of work around but it's ugly. Just detach your devices from vfio, re-atach to his normal driver and bind again to vfio. + +For information i use an Asrock Z87 Extrem 6 with a CoreI5 4570S +My kernel is 3.12 and Qemu is 1.7-rc0 \ No newline at end of file |