From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksij Rempel Date: Fri, 04 Apr 2014 14:59:14 +0200 Subject: [ath9k-devel] Adhoc mode and chip reset issue with tp link wn721n/ath9k_htc drivers In-Reply-To: <533EA782.1020902@amideeptech.com> References: <53369DBD.4060706@amideeptech.com> <5337C85D.2060002@rempel-privat.de> <53390012.2050307@amideeptech.com> <533916EE.6030706@rempel-privat.de> <533921F9.1070200@amideeptech.com> <533925BA.6000007@rempel-privat.de> <53393114.8080306@amideeptech.com> <533EA782.1020902@amideeptech.com> Message-ID: <533EACA2.1050705@rempel-privat.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Am 04.04.2014 14:37, schrieb Harshal Vora: > Hi Oleksij, > > When the chipset goes into sleep mode and cannot come back due to errors > like "Chip reset failed", > we do not get any traffic inflow or outflow on that interface. > > Is it safe to assume that when no traffic is visible on that interface, > we can restart that interface. > Is there any way to check that the device is in that particular failed > state? Only getting error log directly form FW will tell what exactly happens. You will need solder TX and GND on the chip. See https://wikidevi.com/wiki/AR9271 > ip link, ip addr, ifconfig all show that the link is UP, but tcpdump > does not show any traffic. > > Regards, > > On 03/31/2014 02:40 PM, Harshal Vora wrote: >> Hi Oleksij, >> >> I compared the initial few commits from wireless-testing repo with >> 3.13.y branch of raspberry linux git repo. Seems like all of those >> have been merged. >> >> I also specifically checked commits only for >> /drivers/net/wireless/ath/ath9k folder and seems like they are also >> present in the raspberry linux repo. >> >> So I assume all the changes should be there. >> >> If issues persist, then I will test with the wireless-testing repo as >> well. >> >> Thanks, >> Regards, >> >> On 03/31/2014 01:52 PM, Oleksij Rempel wrote: >>> Am 31.03.2014 10:06, schrieb Harshal Vora: >>>> Hi Oleksij, >>>> >>>> We will test with kernel version 3.13.7 and also the latest firmware. >>> I assume we misunderstand each other. FW will work with older kernel >>> versions and some bugs are fixed in 3.13. But only wireless-testing.git >>> can detect some FW oopses, and has changes which may affect AdHock >>> mode. >>> I recommend you to use wireless-testing.git or at least try to >>> cherry-peak this changes. >>> >> > -- Regards, Oleksij -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 278 bytes Desc: OpenPGP digital signature Url : http://lists.ath9k.org/pipermail/ath9k-devel/attachments/20140404/22b9b05e/attachment.pgp