This also affects me, the device is detected, the wireless networks are listed,
but I can't connect.
I'm also using Ubuntu 13.04 64bits
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https://bugs.launchpad.net/bugs/1152861
Title:
same problem here, but AP are listed...
do you need some more logs?
tried kernel 3.9.0-030900rc7 generic 64 bit
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https://bugs.launchpad.net/bugs/1152861
Title:
TP-LINK TL-WN821N v4
addition:
Ubuntu or 64-bit specific problem?
not working for Xubuntu 13.04 64 bit.
working for Xubuntu 12.10 32 bit Live-CD - needed 2 tries to connect, but
working
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Tried the upstream kernel you linked to, however it fails to boot with
the messages Fast TSC calibration failed and a few seconds later
/dev/disk/by-uuid/[uuid number]/ does not exist. Booting the 12.04
supplied kernel continues to work as normal.
** Tags added: kernel-unable-to-test-upstream
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Re-checked and I left out linux-image-extra, after installing that it
booted fine, but the issue remains the same as before. Green light stays
on, no access points are listed but everything else appears to behave as
if it is detected correctly.
** Tags removed: kernel-unable-to-test-upstream
**
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.9 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
If this bug is fixed in the
apport information
** Tags added: apport-collected
** Description changed:
TP-LINK TL-WN821N v4 USB wi-fi adapter appears to be correctly detected,
including loading the correct driver, but no wireless access points are
ever listed and the green light on the device stays on (it's intended
