Ubuntu
linux package

Please Enable CONFIG_EARLY_PRINTK_USB_XDBC

Bionic (18.04)
Bug #1731700

Bug #1731700 reported by Srinivasa Rao Samineni on 2017-11-11

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Triaged	Wishlist	Unassigned
	Bionic	Triaged	Wishlist	Unassigned

Bug Description

CONFIG_EARLY_PRINTK_USB_XDBC is currently disabled in the Ubuntu kernel configs. This would be useful to have enabled for debugging early-boot problems with a USB 3.0 debugging cable.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-98-generic 4.4.0-98.121
ProcVersionSignature: Ubuntu 4.4.0-98.121-generic 4.4.90
Uname: Linux 4.4.0-98-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rishika 2025 F.... pulseaudio
/dev/snd/pcmC1D0p: rishika 2025 F...m pulseaudio
/dev/snd/controlC1: rishika 2025 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Nov 11 18:18:25 2017
InstallationDate: Installed on 2017-10-13 (29 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: LENOVO 20CDCTO1WW
ProcEnviron:
LANGUAGE=en_IN:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_IN
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-98-generic root=UUID=658746ed-12b7-4af8-91d7-759dd551a8ae ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-98-generic N/A
linux-backports-modules-4.4.0-98-generic N/A
linux-firmware 1.157.13
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/14/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: B0ET37WW (1.24 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CDCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 Std
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrB0ET37WW(1.24):bd09/14/2017:svnLENOVO:pn20CDCTO1WW:pvrThinkPadS1Yoga:rvnLENOVO:rn20CDCTO1WW:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20CDCTO1WW
dmi.product.version: ThinkPad S1 Yoga
dmi.sys.vendor: LENOVO

Tags:

Revision history for this message

Srinivasa Rao Samineni (ssamineni) wrote on 2017-11-11:

AlsaInfo.txt Edit (32.9 KiB, text/plain; charset="utf-8")
CRDA.txt Edit (392 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (86.8 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (2.3 KiB, text/plain; charset="utf-8")
IwConfig.txt Edit (510 bytes, text/plain; charset="utf-8")
JournalErrors.txt Edit (39.8 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (9.8 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (656 bytes, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (4.0 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.0 KiB, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.7 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (7.4 KiB, text/plain; charset="utf-8")
PulseList.txt Edit (30.1 KiB, text/plain; charset="utf-8")
RfKill.txt Edit (182 bytes, text/plain; charset="utf-8")
UdevDb.txt Edit (186.4 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (164.9 KiB, text/plain; charset="utf-8")

Revision history for this message

Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote on 2017-11-11: Status changed to Confirmed

This change was made by a bot.

Changed in linux (Ubuntu):
status:	New → Confirmed

Joseph Salisbury (jsalisbury) on 2017-11-14

Changed in linux (Ubuntu):
importance:	Undecided → Wishlist
status:	Confirmed → Triaged
tags:	added: bionic

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