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Message #35253
[Bug 1234818] Re: 17e9:0378 [Lenovo ThinkPad X1 Carbon] Regression: DisplayLink DL-195 fails with EAGAIN after upgrade from 3.11.0-031100 to 3.11.0-11
Apologies, the Ubuntu kernel naming/versioning scheme is completely
opaque to me. I have no idea why 3.11.0-031100-generic needs to be
mainline while 3.11.0-11-generic is not (and I read through many of the
Ubuntu kernel wiki packages).
So, I'm still happy to test other packages or perform a bisection, but I
need either git commits / tags or URLs to .deb's. Version numbers do not
help me at all.
Do I understand correctly that you do *not* want me to do the git
bisection anymore, and instead test the http://kernel.ubuntu.com
/~kernel-ppa/mainline/v3.11.3-saucy/ packages?
I already tried the http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.11-saucy/ packages, and they do *not* exhibit the
problem. As far as I can tell, *none* of the mainline kernels that I
have tested are affected by the problem and *all* Ubuntu kernels that I
have tested are affected.
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https://bugs.launchpad.net/bugs/1234818
Title:
17e9:0378 [Lenovo ThinkPad X1 Carbon] Regression: DisplayLink DL-195
fails with EAGAIN after upgrade from 3.11.0-031100 to 3.11.0-11
Status in “linux” package in Ubuntu:
Confirmed
Status in “linux” source package in Saucy:
Incomplete
Status in “linux” source package in Trusty:
Confirmed
Bug description:
My Plugable UGA-2K-A USB 2.0 to DVI adapter (using chipset DisplayLink DL-195, USB ID 17e9:4302) works fine with 3.11.0-031100-generic. However, when upgrading to 3.11.0-11-generic, X11 fails to open the DRI device with:
[ 8.868] (EE) open /dev/dri/card1: Resource temporarily unavailable
Reverting to 3.11.0-031100-generic fixes the problem. Upgrading to current mainline (3.12.0-999.201310030405) also fixes the problem (but causes lots of kernel BUG messages).
In both cases, the kernel correctly creates the /dev/fb1 and /dev/dri/card1 devices. There are no error messages in the kernel log.
---
ApportVersion: 2.12.7-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 2883 F.... pulseaudio
CasperVersion: 1.336ubuntu1
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131203)
MachineType: LENOVO 3444F8U
MarkForUpload: True
Package: linux (not installed)
ProcFB:
0 inteldrmfb
1 udldrmfb
ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
ProcVersionSignature: Ubuntu 3.12.0-5.13-generic 3.12.2
RelatedPackageVersions:
linux-restricted-modules-3.12.0-5-generic N/A
linux-backports-modules-3.12.0-5-generic N/A
linux-firmware 1.117
Tags: trusty
Uname: Linux 3.12.0-5-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
WifiSyslog:
dmi.bios.date: 02/04/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: G6ET93WW (2.53 )
dmi.board.asset.tag: Not Available
dmi.board.name: 3444F8U
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrG6ET93WW(2.53):bd02/04/2013:svnLENOVO:pn3444F8U:pvrThinkPadX1Carbon:rvnLENOVO:rn3444F8U:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 3444F8U
dmi.product.version: ThinkPad X1 Carbon
dmi.sys.vendor: LENOVO
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References