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Hybrid Intel graphics issue when I switch back from suspend & VT

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https://bbs.archlinux.org – I have:hardware: HP Pavilion DV6 with core i5, Radeon 7690 xt & Intel integrated GPU. software: latest x86_64 stock kernel, x86-video-ati&intel, GRUB_CMDLINE_LINUX="splash pcie_aspm=force i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 acpi_backlight=vendor acpi_osi=Linux"I can turn on/off radeon GPU with echo ON/OFF > /sys/kernel/debug/vgaswitcheroo/switch.Here problem:On integrated Intel GPU, when I switch from KDE to VT and back, i get a unusable desktop (blocked, no mouse, keyboard or any activity).Same problem with restore from suspend (in fact is (HowTos)