Cedric, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com /daily-live/current/ .
If it remains an issue, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report: apport-collect -p linux <replace-with-bug-number> Also, could you please test the latest upstream kernel available (not the daily folder, but the one all the way at the bottom) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.12 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. n0PxN0p, please do not mark this a duplicate of another report, or vice versa, without a fully detailed technical discussion on the commit causing this problem. ** This bug is no longer a duplicate of bug 1103164 062a:0201 [MSI Z77A-G43] hid-generic: can't reset device, status -71 ** No longer affects: linux-meta (Ubuntu) ** No longer affects: linux-source-2.6.17 (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/53972 Title: Via USB and ehci_hcd bug: USB not recognized - IRQ issue Status in “linux” package in Ubuntu: Incomplete Bug description: Binary package hint: linux-image-2.6-386 On Ubuntu Dapper Drake, with all updates applied, USB devices are not recognized anymore (they used to when Dapper was freshly released). Problem may come from ehci_hcd, as removing this module (modprobe -r ehci_hcd) fix the issue, but then USB devices are stuck on 1.1 low speed standard. Another solution seem to set acpi=noirq at boot time, but didn't fix the problem for me (it did for some other people however). More googling showed me that this problem is ongoing and has appeared in the past as well. Some kernel issue here. Here is what happens when I plug a USB device in (dmesg output): [17185074.604000] usb 4-1: new high speed USB device using ehci_hcd and address 2 [17185075.604000] ehci_hcd 0000:00:10.3: Unlink after no-IRQ? Controller is probably using the wrong IRQ. [17185086.148000] usb 4-1: device not accepting address 2, error -110 [17185086.260000] usb 4-1: new high speed USB device using ehci_hcd and address 3 "Controller is probably using the wrong IRQ" <- There we go: IRQ problem. Still, set acpi=noirq at boot time doesn't fix anything. Here's my lspci output: ced@chasiewbao:~$ lspci 0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8378 [KM400/A] Chipset Host Bridge 0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge 0000:00:09.0 Network controller: RaLink Ralink RT2500 802.11 Cardbus Reference Card (rev 01) 0000:00:0a.0 CardBus bridge: O2 Micro, Inc. OZ601/6912/711E0 CardBus/SmartCardBus Controller (rev 20) 0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 0000:00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) 0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge 0000:00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) 0000:00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50) 0000:00:11.6 Communication controller: VIA Technologies, Inc. AC'97 Modem Controller (rev 80) 0000:00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74) 0000:01:00.0 VGA compatible controller: VIA Technologies, Inc. VT8378 [S3 UniChrome] Integrated Video (rev 01) More information about this bug can be found on ubuntu forums at http://www.ubuntuforums.org/showthread.php?p=1220750 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/53972/+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