On Fri, Nov 4, 2016 at 6:44 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote: >>>> On 13.09.16 at 17:54, wrote: >> While a hard hang in atom_asic_init() likely points at a deeper problem >> in the driver, restore the capability to boot a Xen Dom0 by simply >> avoiding the call there: Other than for Xen DomU, Dom0 owning a device >> does not really mean is has got passed through to it. >> >> In case it is of interest for further investigation, lspci for the >> offending device says: >> >> ATI Technologies Inc RS480 [Radeon Xpress 200G Series] [1002:5954] >> >> Fixes: 05082b8bbd "drm/radeon: fix asic initialization for virtualized environments" > > I may have overlooked a different fix dealing with the problem; if > so, I'd appreciate that fix being pointed out. Already fixed: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=884031f0aacf57dad1575f96714efc80de9b19cc Alex > > Thanks, Jan > >> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> >> --- >> drivers/gpu/drm/radeon/radeon_device.c | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> --- 4.8-rc6/drivers/gpu/drm/radeon/radeon_device.c >> +++ 4.8-rc6-radeon-Xen-boot/drivers/gpu/drm/radeon/radeon_device.c >> @@ -34,6 +34,7 @@ >> #include <linux/vgaarb.h> >> #include <linux/vga_switcheroo.h> >> #include <linux/efi.h> >> +#include <xen/xen.h> >> #include "radeon_reg.h" >> #include "radeon.h" >> #include "atom.h" >> @@ -642,7 +643,7 @@ void radeon_gtt_location(struct radeon_d >> static bool radeon_device_is_virtual(void) >> { >> #ifdef CONFIG_X86 >> - return boot_cpu_has(X86_FEATURE_HYPERVISOR); >> + return boot_cpu_has(X86_FEATURE_HYPERVISOR) && !xen_initial_domain(); >> #else >> return false; >> #endif >> >> >> > > > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
