https://bugzilla.kernel.org/show_bug.cgi?id=77371
Bug ID: 77371
Summary: No console display on D2xxx/N2xxx integrated graphics
Product: ACPI
Version: 2.5
Kernel Version: Linux 3.14.4
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Power-Video
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Hi,
I use Ubuntu 14.04 LTS Server and a custom kernel.
Grub is displayed correctly but after I have no display.
lspci -v
00:00.0 Host bridge: Intel Corporation Atom Processor D2xxx/N2xxx DRAM
Controller (rev 03)
Subsystem: Intel Corporation Device 1999
Flags: bus master, fast devsel, latency 0
dmesg | grep -i warn
[ 5.080388] ACPI Warning: SystemIO range
0x0000000000000428-0x000000000000042f conflicts with OpRegion
0x0000000000000400-0x000000000000042f (\SWC1) (20131218/utaddress-258)
[ 5.080408] ACPI Warning: SystemIO range
0x0000000000000428-0x000000000000042f conflicts with OpRegion
0x0000000000000400-0x000000000000047f (\PMIO) (20131218/utaddress-258)
[ 5.080428] ACPI Warning: SystemIO range
0x0000000000000530-0x000000000000053f conflicts with OpRegion
0x0000000000000500-0x000000000000053b (\GPIO) (20131218/utaddress-258)
[ 5.080443] ACPI Warning: SystemIO range
0x0000000000000500-0x000000000000052f conflicts with OpRegion
0x0000000000000500-0x000000000000053b (\GPIO) (20131218/utaddress-258)
This resembles the following problem :
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1290832
https://lists.debian.org/debian-kernel/2013/04/msg00144.html
Thanks, best regards
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