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Message #90145
[Bug 881417] Re: SiLabs CP210x driver disconnects devices
Sebastian Wild, thank you for reporting this bug to Ubuntu. Oneiric reached EOL on May 9, 2013.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases
Is this an issue in a supported release? If so, could you please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 881417
** Package changed: ubuntu => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/881417
Title:
SiLabs CP210x driver disconnects devices
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Since installing Ubuntu Oneiric I experience the following: I use
avr910 type programmers wich are connected via usb. These have an
usb2serial bridge onboard which uses the cp210x driver in Linux. This
worked fine in Natty but in Oneiric it doesn't. If I plug in the
device the syslog (dmesg) shows me that it's found, uses cp210x and
is connected to e.g. /dev/ttyUSB0, just like it is supposed to. But
after some 5secs without doing anything the device gets disconnected
again. I even tested this with several avr910s with reproducable the
same result. So I'd say this is either a bug in Oneiric oder a generic
bug in kernel 3.x (since Oneiric is the first ubuntu shipped with
Kernel 3.x).
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