[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Also affects: linux (Ubuntu Artful) Importance: Undecided Status: New ** Also affects: linux-oem (Ubuntu Artful) Importance: Undecided Status: New ** Changed in: linux-oem (Ubuntu Artful) Status: New => Invalid ** Changed in: linux (Ubuntu Artful) Status: New => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Invalid Status in linux source package in Xenial: Invalid Status in linux-oem source package in Xenial: Fix Released Status in linux source package in Artful: Fix Committed Status in linux-oem source package in Artful: Invalid Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Changed in: linux-oem (Ubuntu) Status: New => Invalid ** Changed in: linux (Ubuntu Xenial) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Invalid Status in linux source package in Xenial: Invalid Status in linux-oem source package in Xenial: Fix Released Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
This bug was fixed in the package linux-oem - 4.13.0-1017.18 --- linux-oem (4.13.0-1017.18) xenial; urgency=low * linux-oem: 4.13.0-1017.18 -proposed tracker (LP: #1743418) * Realtek card reader - RTS5243 [VEN_10EC&DEV_5260] (LP: #1737673) - mmc: rtsx: fix tuning fail on gen3 PCI-Express - mfd: rts5249: Add support for RTS5250S power saving - misc: rtsx: Move Realtek Card Reader Driver to misc - misc: rtsx: Add support for RTS5260 - misc: rtsx: Fix symbol clashes - [Config] update configs for RTSX * Realtek card reader power consumption issue (LP: #1743516) - mfd: Fix RTS5227 (and others) powermanagement [ Ubuntu: 4.13.0-30.33 ] * linux: 4.13.0-30.33 -proposed tracker (LP: #1743412) * Do not duplicate changelog entries assigned to more than one bug or CVE (LP: #1743383) - [Packaging] git-ubuntu-log -- handle multiple bugs/cves better * Unable to handle kernel NULL pointer dereference at isci_task_abort_task (LP: #1726519) - Revert "scsi: libsas: allow async aborts" * CVE-2017-5715 // CVE-2017-5753 - SAUCE: x86/microcode: Extend post microcode reload to support IBPB feature -- repair missmerge - Revert "x86/svm: Add code to clear registers on VM exit" - kvm: vmx: Scrub hardware GPRs at VM-exit linux-oem (4.13.0-1016.17) xenial; urgency=low * linux-oem: 4.13.0-1016.17 -proposed tracker (LP: #1742728) * Add support for Realtek Bluetooth device [0bda:b00a] (LP: #1742613) - SAUCE: Import Bluetooth driver for Realtek 8821CE - SAUCE: Make rtl8821ce-bt work with 0bda:b00a only - SAUCE: rtl8821ce-bt: append device ID to config filename - SAUCE: bluetooth: Blacklist 0bda:b00a - SAUCE: build ubuntu/rtl8821ce-bt for x86 only * Add support for Realtek WiFi device [10ec:c821] (LP: #1740231) - SAUCE: Import RTL8821CE driver - SAUCE: Add ubuntu/rtl8821ce into build script - SAUCE: Sync ubuntu/rtl8821ce with a new release from Realtek * External HDMI monitor failed to show screen on Lenovo X1 series (LP: #1738523) - SAUCE: drm/i915: Disable writing of TMDS_OE on Lenovo ThinkPad X1 series * Support realtek new codec alc257 in the alsa hda driver (LP: #1738911) - ALSA: hda/realtek - New codec support for ALC257 * QCA Rome bluetooth can not wakeup after USB runtime suspended. (LP: #1737890) - Bluetooth: btusb: driver to enable the usb-wakeup feature * Intel 9260/9462/9560 can't connect to 5GHz AP (LP: #1736639) - iwlwifi: mvm: enable RX offloading with TKIP and WEP - iwlwifi: mvm: mark MIC stripped MPDUs * [Artful][Wyse 3040] System hang when trying to enable an offlined CPU core (LP: #1736393) - SAUCE: drm/i915:Don't set chip specific data - SAUCE: drm/i915: make previous commit affects Wyse 3040 only * Touchpad stops working after a few seconds in Lenovo ideapad 320 (LP: #1732056) - pinctrl/amd: fix masking of GPIO interrupts [ Ubuntu: 4.13.0-29.32 ] * linux: 4.13.0-29.32 -proposed tracker (LP: #1742722) * CVE-2017-5754 - Revert "x86/cpu: Implement CPU vulnerabilites sysfs functions" - Revert "sysfs/cpu: Fix typos in vulnerability documentation" - Revert "sysfs/cpu: Add vulnerability folder" - Revert "UBUNTU: [Config] updateconfigs to enable GENERIC_CPU_VULNERABILITIES" [ Ubuntu: 4.13.0-28.31 ] * CVE-2017-5753 - SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit * CVE-2017-5715 - SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit [ Ubuntu: 4.13.0-27.30 ] * CVE-2017-5753 - locking/barriers: introduce new memory barrier gmb() - bpf: prevent speculative execution in eBPF interpreter - x86, bpf, jit: prevent speculative execution when JIT is enabled - uvcvideo: prevent speculative execution - carl9170: prevent speculative execution - p54: prevent speculative execution - qla2xxx: prevent speculative execution - cw1200: prevent speculative execution - Thermal/int340x: prevent speculative execution - userns: prevent speculative execution - ipv6: prevent speculative execution - fs: prevent speculative execution - net: mpls: prevent speculative execution - udf: prevent speculative execution - x86/feature: Enable the x86 feature to control Speculation - x86/feature: Report presence of IBPB and IBRS control - x86/enter: MACROS to set/clear IBRS and set IBPB - x86/enter: Use IBRS on syscall and interrupts - x86/idle: Disable IBRS entering idle and enable it on wakeup - x86/idle: Disable IBRS when offlining cpu and re-enable on wakeup - x86/mm: Set IBPB upon context switch - x86/mm: Only set IBPB when the new thread cannot ptrace current thread - x86/entry: Stuff RSB for entry to kernel for non-SMEP platform - x86/kvm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD to kvm - x86/kvm: Set IBPB when switching VM - x86/kvm: Toggle IBRS on VM entry and exit - x86/kvm: Pad RSB on VM transition - x8
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Changed in: linux-oem (Ubuntu Xenial) Status: New => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: New Status in linux source package in Xenial: New Status in linux-oem source package in Xenial: Fix Committed Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: linux-oem (Ubuntu Xenial) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: New Status in linux source package in Xenial: New Status in linux-oem source package in Xenial: Fix Committed Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Also affects: linux-oem (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: New Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
A request had been sent to Intel to make a better solution to solve this issue. This patch is a WA before Intel fix it. So this patch will not be going upstream. Upstream bug: https://bugs.freedesktop.org/show_bug.cgi?id=100226 ** Bug watch added: freedesktop.org Bugzilla #100226 https://bugs.freedesktop.org/show_bug.cgi?id=100226 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
has this been sent upstream, or at least a bug? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Changed in: linux (Ubuntu) Status: Triaged => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Changed in: linux (Ubuntu) Assignee: (unassigned) => AaronMa (mapengyu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Triaged Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Changed in: hwe-next Importance: Undecided => High ** Changed in: hwe-next Assignee: (unassigned) => AaronMa (mapengyu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Triaged Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Changed in: linux (Ubuntu) Status: Incomplete => Triaged ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Triaged Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Description changed: - Test machine: Raven3-1 - Image: sutton-wilkes-xenial-amd64-20171016-3 + Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) - BIOS: N25ET09W (0.09 ) Steps: - 1. Install image on Raven3-1 - 2. Login system - 3. Connect an external monitor - 4. Try to switch display modes in mirrored, extended, displayed on external or internal. + 1, Connect an external monitor + 2, Try to switch display modes in mirrored, extended, displayed on external or internal. - Expected result: - Video signal can be mirrored, extended, displayed on external or internal. + [Impact] + External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon - Actual result: - Internal and mirror modes works. + [Fix] + Add a workaround to bypass this TMDS_OE writing on identified laptop models. + + [Test Case] + Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output + OK. + + [Regression Potential] + Low, it limits to ThinkPad specific laptops. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1738523] Re: External HDMI monitor failed to show screen on Lenovo X1 series
** Tags added: originate-from-1725109 sutton -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1738523 Title: External HDMI monitor failed to show screen on Lenovo X1 series Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Bug description: Thinkpad X1 yoga: CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Steps: 1, Connect an external monitor 2, Try to switch display modes in mirrored, extended, displayed on external or internal. [Impact] External HDMI monitor failed to show screen on Lenovo X1 yoga/carbon [Fix] Add a workaround to bypass this TMDS_OE writing on identified laptop models. [Test Case] Tested on ThinkPad X1 yoga 2nd/3rd and Carbon 6th, external HDMI output OK. [Regression Potential] Low, it limits to ThinkPad specific laptops. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1738523/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp