While not limited strictly to Alcor, it appears many problems lie with this chipset. My chipset is an Alcor (nGear multi card reader / hub) as is the official bug report at kernel.org:
http://bugzilla.kernel.org/show_bug.cgi?id=ehci_hcd https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/88746/comments/62 https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/88746/comments/119 https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/88746/comments/299 https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/88746/comments/397 I will suggest to anyone with an Alcor to attempt the above workaround as listed in comment https://bugs.launchpad.net/ubuntu/+source/linux- source-2.6.20/+bug/88746/comments/372 To help out the developers it might be prudent to identify the offending chipsets that are misbehaving. -- ehci_hcd module causes I/O errors in USB 2.0 devices https://bugs.launchpad.net/bugs/88746 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
