Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.15 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc4-utopic/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1317522 Title: Hotplug of ExpressCard failed Status in “linux” package in Ubuntu: Incomplete Bug description: I develop the driver for ExpressCard hardware manufactured by our company. I installed the latest Ubuntu 14.04 just before the release of it on my Dell Latitude E6410 Today I found the problem with kernel, and was able to reproduce the problem with kernels starting from 3.9. Steps to reproduce Reboot PC with card -- card detected, driver loaded. - OK Remove card -- card still detected, driver doesn't unloads - Fail Reboot PC without card Insert card -- No card detected - Fail issue 'echo 1 > /sys/bus/pci/rescan' -- Card detected - Ok? Remove card -- Card still detected - Fail issue 'echo 1 > /sys/bus/pci/rescan' -- Card still detected - Fail? Tried to play with kernel 3.8 - everything works ok (need to load module acpiphp) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: cyril 1538 F.... pulseaudio /dev/snd/controlC0: cyril 1538 F.... pulseaudio CurrentDesktop: Unity Date: Thu May 8 17:33:22 2014 HibernationDevice: RESUME=UUID=9afda173-9cb3-42d5-8f5a-b5dee90ed2c4 InstallationDate: Installed on 2014-04-02 (36 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326) MachineType: Dell Inc. Latitude E6410 ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=468285ef-18dd-45fb-b67d-b863e0e97643 ro quiet splash crashkernel=384M-:128M vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/30/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A13 dmi.board.name: 0K42JR dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA13:bd07/30/2012:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA03:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6410 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317522/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp