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Tasklist

FS#32739 - [linux] 3.6.x - 3.9.x rt2800pci doesn't work with Edimax EW-7728In

Attached to Project: Arch Linux
Opened by Claudio Kozický (C5OK5Y) - Saturday, 17 November 2012, 21:22 GMT
Last edited by Tobias Powalowski (tpowa) - Friday, 02 August 2013, 12:24 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:

I have an Edimax EW-7728In Wi-Fi card, it is based on the Ralink RT2860 chip and therefore the kernel driver, which is supposed to manage it, is rt2800pci. After I seemingly successfully connect to my Wi-Fi network, I can't even ping my router.


Additional info:

linux 3.6.6-1-ARCH

For debugging purposes, I have connected to my network like this:
`wpa_supplicant -Dwext -i wlan0 -c wpa_supplicant.conf -dd` (output and wpa_supplicant.conf attached)
`dhcpcd wlan0 -d` (output attached)

I have also attached the output of `iwlist wlan0 scan` (before I connected to my network), relevant contents from dmesg, output of `ifconfig wlan0` and `iwconfig wlan0` after I connected to my network.

Just a little history of the working/not working state of this card during various kernel versions - until (if I remember correctly) 2.6.38 there was the rt2800pci driver that didn't work at all, and a staging driver (rt2860sta). The staging driver worked (I had to blacklist rt2800pci), but it didn't support 802.11n - so I ended up using the driver from the AUR[1] (which supported 802.11n, but I had to reinstall it every kernel release). On linux 2.6.39 the rt2800pci driver started to work and although it didn't seem to support 802.11n, it was a better solution that constantly reinstalling the driver from the AUR. On linux 3.0 the rt2800pci matured enough for the staging driver to be removed from the kernel, but for me the rt2800pci driver stopped working again - so I resumed using the driver from the AUR. On linux 3.4 I started getting kernel panics using the AUR driver so I switched to linux-lts (which is still 3.0.x) for the AUR driver to work. So now I'm using linux-lts and would really like to get this issue sorted out (but I tested the rt2800pci driver on linux 3.6.6).

[1]: https://aur.archlinux.org/packages/rt2860/


Steps to reproduce:

Try connecting to the internet with an Edimax EW-7728In Wi-Fi card and the default kernel driver.
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Friday, 02 August 2013, 12:24 GMT
Reason for closing:  Fixed
Additional comments about closing:  3.10.4
Comment by Greg (dolby) - Sunday, 18 November 2012, 01:58 GMT
This is the wrong place to report this. Try the kernel bugzilla.
As you say yourself the ralink driver sucks in general.

FTR rt2860 is working somewhat fine for me on my netbook.
Comment by Claudio Kozický (C5OK5Y) - Sunday, 30 December 2012, 19:32 GMT Comment by Tobias Powalowski (tpowa) - Wednesday, 23 January 2013, 16:04 GMT
Status on 3.7?
Comment by Claudio Kozický (C5OK5Y) - Friday, 25 January 2013, 21:15 GMT
No change.
Comment by Tobias Powalowski (tpowa) - Wednesday, 27 February 2013, 11:18 GMT
Status on 3.8?
Comment by Claudio Kozický (C5OK5Y) - Monday, 22 April 2013, 10:27 GMT
  • Field changed: Percent Complete (100% → 0%)
The issue is still present on linux 3.8.6. I also updated upstream with additional debug information.
Comment by Tobias Powalowski (tpowa) - Thursday, 23 May 2013, 19:44 GMT
Status on 3.9?
Comment by Claudio Kozický (C5OK5Y) - Saturday, 25 May 2013, 07:43 GMT
Still present.
Comment by Tobias Powalowski (tpowa) - Tuesday, 30 July 2013, 10:24 GMT
Status on 3.10.x?
Comment by Claudio Kozický (C5OK5Y) - Friday, 02 August 2013, 12:02 GMT
The issue is no longer present on linux 3.10.3.

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