Public bug reported:
Binary package hint: linux-image-2.6.35-24-generic
Under linux-image-2.6.35-23-generic, all four serial ports on Serial
controller: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950 UART) work
correctly.
Under linux-image-2.6.35-24-generic, ttyS1, 2 and 3 all work, but
accessing ttyS0 with minicom gives "cannot open /dev/ttyS0: No such
device" error message, and the kernel logs "ttyS0: LSR safety check
engaged!".
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-24-generic 2.6.35-24.42
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-23.41-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1828S Analog [VT1828S Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: abuchanan 1691 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf5ff8000 irq 52'
Mixer name : 'VIA VT1828S'
Components : 'HDA:11064441,104383d0,00100100'
Controls : 35
Simple ctrls : 20
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xf79fc000 irq 17'
Mixer name : 'Nvidia GPU 14 HDMI/DP'
Components : 'HDA:10de0014,10de0101,00100100'
Controls : 16
Simple ctrls : 4
Date: Thu Jan 6 12:42:36 2011
HibernationDevice: RESUME=UUID=e3d40ed2-77c5-4665-8711-b8c7efaca315
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
vboxnet0 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-23-generic
root=UUID=0c6446dd-7681-4811-a659-247f778d3c18 ro quiet splash
ProcEnviron:
LANG=en_GB.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
SourcePackage: linux
dmi.bios.date: 08/27/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1301
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7P55D-E
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1301:bd08/27/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7P55D-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug kernel-uncat maverick needs-upstream-testing
regression-update
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https://bugs.launchpad.net/bugs/698099
Title:
OX16PCI954 ttyS0 non-functional regression
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