** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Artful)
Status: New => Incomplete
** Changed in: linux (Ubuntu Artful)
Importance: Undecided => Medium
** Tags added: kernel-da-key
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https://bugs.launchpad.net/bugs/1753614
Title:
^@ characters appearing on login terminal on 17.10 and 16.04 HWE
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Artful:
Incomplete
Bug description:
After installing either 17.10 or 16.04 HWE to a minimal/command line
environment, the login terminal displays a repeating string of ^@
characters at a rate of approximately one per second. These are
treated as actual input and prevent login as I am unable to type a
username or password uninterrupted. Without an SSH server, the machine
would be unusable. This does not happen under 16.04 using the standard
non-HWE kernel.
Hardware is a General Dynamics GD8200 laptop. BIOS has been reset and
updated to latest version.
lspci:
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family
DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series
Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network
Connection (rev 05)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family
High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 2 (rev b5)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 3 (rev b5)
00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 5 (rev b5)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 6 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC
Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset
Family 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus
Controller (rev 05)
01:00.0 CardBus bridge: Ricoh Co Ltd CardBus bridge (rev 02)
03:00.0 Ethernet controller: LSI Corporation ET-131x PCI-E Ethernet
Controller (rev 03)
04:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host
Controller
05:00.0 Network controller: Intel Corporation Wireless 7260 (rev bb)
lsusb:
Bus 002 Device 005: ID 0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen
Bus 002 Device 004: ID 8087:07dc Intel Corp.
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 058f:9540 Alcor Micro Corp. AU9540 Smartcard Reader
Bus 001 Device 004: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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