Re: rt2500pci: very low transfers and link quality
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Hi folks.I've been requested to report a bug that I've discovered regarding troubles with the rt2500pci kernel module. As the subject suggests, with my card I'm receiving very poor transfer rate and link quality. The Debian bug report for this issue can be found here:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598144 Initially, I noticed the following line repeated in the logs:
phy0 -> rt2500pci_set_device_state: Error - Device failed to enter state 1 (-16).
which led me to the (closed) Ubuntu bug report: https://bugs.launchpad.net/bugs/456977The initial error message appears to be a red herring of sorts, as it can be quieted by turning off power control for the interface:
# iwconfig wlan0 power offEven with the message silenced, I am still receiving poor link throughput and quality. The initial bug reporter noticed the issues with kernel 2.6.32, and I've experienced it with 2.6.32 and 3.2.21 (as packaged by Debian). I tried with 3.5 from Debian experimental, but I receive a kernel panic (after which the kernel becomes unresponsive) whenever I bring up the interface. This is all noted in the bug report log where copies of the kernel logs can be found.
The request for upstream notification can be seen below. Please let me know how I can help!
-- Jonathan Nieder wrote:
Afterwards, please report this upstream (regardless of the result) to linux-wireless@xxxxxxxxxxxxxxx, cc-ing users@xxxxxxxxxxxxxxxxxxxxxxx, Gertjan van Wingerde <gwingerde@xxxxxxxxx>, and either me or this bug log so we can track it. Then hopefully someone upstream can provide commands or a patch to try to track down the cause and work toward a fix.
Thanks! -- Nate -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html