This bug was fixed in the package linux-oem-5.6 - 5.6.0-1020.20
---------------
linux-oem-5.6 (5.6.0-1020.20) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1020.20 -proposed tracker (LP: #1886753)
* Realtek [10ec:c82f] Subsystem [17aa:c02f] Wifi adapter not found
(LP: #1886247)
- SAUCE: rtw88: 8822ce: add support for device ID 0xc82f
* [WD19TB] external DP failed with DRM error message (LP: #1886165)
- drm/i915/tgl: Update TC DP vswing table
- drm/i915/tgl: Implement WA_16011163337
- SAUCE: drm/i915/bios: add intel_bios_hdmi_level_shift()
- drm/i915/tgl: Add HBR and HBR2+ voltage swing table
- drm/i915/dc3co: Avoid full modeset when EXITLINE needs to be changed
- drm/i915/tgl+: Use the correct DP_TP_* register instances in MST encoders
- drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock
* ubuntu_aufs_smoke_test failed on Focal OEM 5.6 (LP: #1879308)
- SAUCE: fs: Enable aufs
-- Timo Aaltonen <timo.aalto...@canonical.com> Wed, 08 Jul 2020
11:44:53 +0300
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1844410
Title:
[TGL] Thunderbolt support (Tiger Lake)
Status in HWE Next:
New
Status in intel:
Fix Committed
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Confirmed
Status in linux-oem-5.6 source package in Groovy:
Invalid
Bug description:
[SRU Justification]
[Impact]
TigerLake platforms fail to probe thunderbolt controller and leaving an
error message:
[ 2.069944] input: PS/2 Generic Mouse as
/devices/platform/i8042/serio1/input/input5
[ 21.772011] thunderbolt: probe of 0000:00:0d.2 failed with error -110
It also introduces a nearly 20 second idle at boot.
[Fix]
Commit 57d8df68eb53 ("thunderbolt: Add support for Intel Tiger Lake")
recently landed to v5.8-rc1 addressed this issue.
[Test Case]
Check thunderbolt controller probe messages from dmesg:
thunderbolt 0000:00:0d.2: 0: unsupported switch device id 0x9a1b
thunderbolt 0000:00:0d.2: 0: uid crc8 mismatch (expected: 0x8e, got: 0x59)
[Regression Potential]
Low. This only enables devices which are previously failed in device
initialization.
========== Original Bug Description ==========
Description
TBT enabling in TGL
* 386e5e29d81c ("thunderbolt: Make tb_find_port() available to other files")
v5.6-rc1
* 4deb200d34a7 ("thunderbolt: Call tb_eeprom_get_drom_offset() from
tb_eeprom_read_n()") v5.6-rc1
* 210e9f56e9e1 ("thunderbolt: Populate PG field in hot plug acknowledgment
packet") v5.6-rc1
* b04079837b20 ("thunderbolt: Add initial support for USB4") v5.6-rc1
* 690ac0d20d40 ("thunderbolt: Update Kconfig entries to USB4") v5.6-rc1
* aa43a9dcf7fc ("thunderbolt: Make tb_switch_find_cap() available to other
files") v5.6-rc1
* cf29b9afb121 ("thunderbolt: Add support for Time Management Unit") v5.6-rc1
* e6f818585713 ("thunderbolt: Add support for USB 3.x tunnels") v5.6-rc1
Target Kernel: 5.6
Target Release: 20.10
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