Re: AMD-Vi regression with PCIe/PCI bridges in 4.4

Joerg Roedel wrote: > Maybe I can get one of those cards myself to reproduce it. Can you guys > send me some more detailed information about the sound cards that cause > the problems? Most of the PCIe Xonar cards use the same architecture: a PCI chip and a PCIe/PCI bridge. Consider the Asus Xonar

Re: AMD-Vi regression with PCIe/PCI bridges in 4.4

Tomasz Golinski wrote: > On 05.04.2016 14:26, Clemens Ladisch wrote: >> Martin/Tomasz, could we get the amd_iommu_dump dmesg output for an >> earlier kernel? > > It's for 4.1.15. > ... > [0.486934] AMD-Vi: DEV_SPECIAL(IOAPIC[5]) devid: 00:14.

Re: AMD-Vi regression with PCIe/PCI bridges in 4.4

Joerg Roedel wrote: > On Tue, Apr 05, 2016 at 12:02:07PM +0200, Clemens Ladisch wrote: >> Joerg Roedel wrote: >>> I have seen that before, can you please boot with 'amd_iommu_dump' on >>> the kernel command line and send me dmesg after boot? >>

Re: AMD-Vi regression with PCIe/PCI bridges in 4.4

Joerg Roedel wrote: > I have seen that before, can you please boot with 'amd_iommu_dump' on > the kernel command line and send me dmesg after boot? Full dmesg: : ... [0.179504] pci :04:00.0: [10b5:8112] type 01 class 0x060400 [0.179

AMD-Vi regression with PCIe/PCI bridges in 4.4

Hi, there are several reports of Xonar PCIe sound cards failing to work in kernel 4.4 (including 4.4.5): https://bugzilla.redhat.com/show_bug.cgi?id=1313790 https://bugzilla.kernel.org/show_bug.cgi?id=111711 https://bbs.archlinux.org/viewtopic.php?pid=1601338#p1601338 They show error messages li