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...To get back to the prior behavior > iommu.strict=1 may be set on the kernel command line. Maybe add that it depends on CONFIG_IOMMU_DEFAULT_DMA_{LAZY,STRICT} as well, because I've seen kernel configs that enable either. > > Link: https://lore.kernel.org/lkml/20230802123612.GA6142 at myrica/ > Signed-off-by: Niklas Schnelle <schnelle at linux.ibm.com> > --- > drivers/iommu/virtio-iommu.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c > index fb73dec5b953..1b7526494490 10064...

...liar. I don't have hardware to test this but I guess QEMU system emulation may be able to reproduce the issue since it has an AMD IOMMU (unmaintained) and igb, I can give that a try. Thanks, Jean > > > > > > > Link: https://lore.kernel.org/lkml/20230802123612.GA6142 at myrica/ > > > > Signed-off-by: Niklas Schnelle <schnelle at linux.ibm.com> > > > > --- > > > > drivers/iommu/virtio-iommu.c | 12 ++++++++++++ > > > > 1 file changed, 12 insertions(+) > > > > > > > > diff --git a/drivers/iom...

...liar. I don't have hardware to test this but I guess QEMU system emulation may be able to reproduce the issue since it has an AMD IOMMU (unmaintained) and igb, I can give that a try. Thanks, Jean > > > > > > > Link: https://lore.kernel.org/lkml/20230802123612.GA6142 at myrica/ > > > > Signed-off-by: Niklas Schnelle <schnelle at linux.ibm.com> > > > > --- > > > > drivers/iommu/virtio-iommu.c | 12 ++++++++++++ > > > > 1 file changed, 12 insertions(+) > > > > > > > > diff --git a/drivers/iom...

...All Status: NEW Severity: normal Priority: medium Component: Driver/nouveau AssignedTo: nouveau at lists.freedesktop.org ReportedBy: drzeus-bugzilla at drzeus.cx QAContact: xorg-team at lists.x.org When I hook up my Fujitsu-Siemens Myrica VQ40-1 (a LCD TV) via DVI, the nouveau driver refuses to work, citing "no valid modes". The problem is that it believes that the screen is 1x1 pixels. Screen works fine on a radeon card via DVI. The problem is also present in the nv driver. -- Configure bugmail: http://bugs.freedeskto...