did a clean install today, i have GeForce GTX 970 too and same issue
[0.00] Linux version 4.6.0-1-amd64
(debian-ker...@lists.debian.org) (gcc version 5.4.0 20160609 (Debian
5.4.0-6) ) #1 SMP Debian 4.6.3-1 (2016-07-04)
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-4.6.0-1-amd64
root=UUID=36eefaea-04d8-4f23-8e57-bce0e73d40c6 ro quiet
[0.00] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[0.00] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating
point registers'
[0.00] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[0.00] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[0.00] x86/fpu: Enabled xstate features 0x7, context size is
832 bytes, using 'standard' format.
[0.00] x86/fpu: Using 'eager' FPU context switches.
[0.00] e820: BIOS-provided physical RAM map:
[0.00] BIOS-e820: [mem 0x-0x0009d7ff] usable
[0.00] BIOS-e820: [mem 0x0009d800-0x0009] reserved
[0.00] BIOS-e820: [mem 0x000e-0x000f] reserved
[0.00] BIOS-e820: [mem 0x0010-0xdd4aefff] usable
[0.00] BIOS-e820: [mem 0xdd4af000-0xdd807fff] reserved
[0.00] BIOS-e820: [mem 0xdd808000-0xdd817fff] ACPI data
[0.00] BIOS-e820: [mem 0xdd818000-0xdd940fff] ACPI NVS
[0.00] BIOS-e820: [mem 0xdd941000-0xde7d0fff] reserved
[0.00] BIOS-e820: [mem 0xde7d1000-0xde7d1fff] usable
[0.00] BIOS-e820: [mem 0xde7d2000-0xde814fff] ACPI NVS
[0.00] BIOS-e820: [mem 0xde815000-0xdec4afff] usable
[0.00] BIOS-e820: [mem 0xdec4b000-0xdeff3fff] reserved
[0.00] BIOS-e820: [mem 0xdeff4000-0xdeff] usable
[0.00] BIOS-e820: [mem 0xf800-0xfbff] reserved
[0.00] BIOS-e820: [mem 0xfec0-0xfec00fff] reserved
[0.00] BIOS-e820: [mem 0xfed0-0xfed03fff] reserved
[0.00] BIOS-e820: [mem 0xfed1c000-0xfed1] reserved
[0.00] BIOS-e820: [mem 0xfee0-0xfee00fff] reserved
[0.00] BIOS-e820: [mem 0xff00-0x] reserved
[0.00] BIOS-e820: [mem 0x0001-0x00061eff] usable
[0.00] NX (Execute Disable) protection: active
[0.00] SMBIOS 2.7 present.
[0.00] DMI: System manufacturer System Product Name/SABERTOOTH
Z77, BIOS 2104 08/13/2013
[0.00] e820: update [mem 0x-0x0fff] usable ==> reserved
[0.00] e820: remove [mem 0x000a-0x000f] usable
[0.00] e820: last_pfn = 0x61f000 max_arch_pfn = 0x4
[0.00] MTRR default type: uncachable
[0.00] MTRR fixed ranges enabled:
[0.00] 0-9 write-back
[0.00] A-B uncachable
[0.00] C-C write-protect
[0.00] D-E7FFF uncachable
[0.00] E8000-F write-protect
[0.00] MTRR variable ranges enabled:
[0.00] 0 base 0 mask C write-back
[0.00] 1 base 4 mask E write-back
[0.00] 2 base 6 mask FF000 write-back
[0.00] 3 base 61000 mask FF800 write-back
[0.00] 4 base 61800 mask FFC00 write-back
[0.00] 5 base 61C00 mask FFE00 write-back
[0.00] 6 base 61E00 mask FFF00 write-back
[0.00] 7 base 0E000 mask FE000 uncachable
[0.00] 8 disabled
[0.00] 9 disabled
[0.00] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT
[0.00] e820: update [mem 0xe000-0x] usable ==> reserved
[0.00] e820: last_pfn = 0xdf000 max_arch_pfn = 0x4
[0.00] found SMP MP-table at [mem 0x000fd810-0x000fd81f]
mapped at [880fd810]
[0.00] Base memory trampoline at [88097000] 97000 size 24576
[0.00] BRK [0x01d36000, 0x01d36fff] PGTABLE
[0.00] BRK [0x01d37000, 0x01d37fff] PGTABLE
[0.00] BRK [0x01d38000, 0x01d38fff] PGTABLE
[0.00] BRK [0x01d39000, 0x01d39fff] PGTABLE
[0.00] BRK [0x01d3a000, 0x01d3afff] PGTABLE
[0.00] BRK [0x01d3b000, 0x01d3bfff] PGTABLE
[0.00] RAMDISK: [mem 0x35f86000-0x36fbafff]
[0.00] ACPI: Early table checksum verification disabled
[0.00] ACPI: RSDP 0x000F0490 24 (v02 ALASKA)
[0.00] ACPI: XSDT 0xDD80B078 64 (v01 ALASKA A M I
01072009 AMI 00010013)
[0.00] ACPI: FACP 0xDD815E18 00010C (v05 ALASKA A M I
01072009 AMI 00010013)
[0.00] ACPI: DSDT 0xDD80B170 00ACA5 (v02 ALASKA A M I
0022 INTL 20051117)
[0.00] ACPI: FACS 0xDD93F080 40
[0.00] ACPI: APIC 0xDD815F28 92 (v03 ALASKA A M