Hi John On Wed, Mar 27, 2013 at 3:56 PM, John W. Linville <linville@xxxxxxxxxxxxx> wrote: > On Tue, Mar 26, 2013 at 10:31:00AM +0100, Piotr Haber wrote: >> On 03/25/13 19:58, John W. Linville wrote: >> > On Mon, Mar 18, 2013 at 02:58:08PM +0100, David Herrmann wrote: >> >> Hi Piotr >> >> >> >> On Mon, Mar 18, 2013 at 2:49 PM, Piotr Haber <phaber@xxxxxxxxxxxx> wrote: >> >>> On 03/18/13 11:45, David Herrmann wrote: >> >>>> This reverts commit b6fc28a158076ca2764edc9a6d1e1402f56e1c0c. It breaks >> >>>> wireless AP reconnection on: (14e4:4727) >> >>>> Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller >> >>>> >> >>>> Any attempt to reconnect to an AP results in timeouts no matter how near to the >> >>>> AP I am: >> >>>> 00:10:40 $nb kernel: wlan0: authenticate with 00:18:39:0a:8e:23 >> >>>> 00:10:40 $nb kernel: wlan0: direct probe to 00:18:39:0a:8e:23 (try 1/3) >> >>>> 00:10:40 $nb kernel: wlan0: direct probe to 00:18:39:0a:8e:23 (try 2/3) >> >>>> 00:10:41 $nb kernel: wlan0: direct probe to 00:18:39:0a:8e:23 (try 3/3) >> >>>> 00:10:41 $nb kernel: wlan0: authentication with 00:18:39:0a:8e:23 timed out >> >>>> --- >> >>>> Hi >> >>>> >> >>>> I tried coming up with a fix instead of reverting this commit, but the commit is >> >>>> way to big for me to understand what's going on. Sorry. >> >>>> >> >>>> With linux-3.8 connecting to an AP broke on my machine. I could connect to an AP >> >>>> one time, but any further attempt resulted in: >> >>>> 00:10:40 $nb kernel: wlan0: authenticate with 00:18:39:0a:8e:23 >> >>>> 00:10:40 $nb kernel: wlan0: direct probe to 00:18:39:0a:8e:23 (try 1/3) >> >>>> 00:10:40 $nb kernel: wlan0: direct probe to 00:18:39:0a:8e:23 (try 2/3) >> >>>> 00:10:41 $nb kernel: wlan0: direct probe to 00:18:39:0a:8e:23 (try 3/3) >> >>>> 00:10:41 $nb kernel: wlan0: authentication with 00:18:39:0a:8e:23 timed out >> >>>> >> >>>> Even sitting right next to the AP didn't help so I started bisecting and it >> >>>> turned out to be: >> >>>> "brcmsmac: support 4313iPA" b6fc28a158076ca2764edc9a6d1e1402f56e1c0c >> >>>> Please revert it. >> >>>> >> >>>> Thanks >> >>>> David >> >>>> >> >>> Hi, >> >>> unfortunately this is not a first report of this patch breaking 4313 for some users. >> >>> I'm pretty confident that it is hardware revision related as we have 4313ePA and iPA boards running >> >>> successfully in our test setup. >> >>> Could you aid us in effort of finding the problem by supplying the contents of this debugfs file: >> >>> <debugfs_mount>/brcmsmac/bcma0:0/hardware >> >> >> >> Hi >> >> >> >> $ cat /sys/kernel/debug/brcmsmac/bcma0\:0/hardware >> >> board vendor: 185f >> >> board type: 51a >> >> board revision: 1408 >> >> board flags: 8402a01 >> >> board flags2: 880 >> >> firmware revision: 262032b >> >> >> >> I can also try partial reverts of that commit, but I really don't know >> >> which parts might be important. >> > >> > Are we going to see a fix for this (very) soon? Or should I just go >> > ahead and revert this patch? >> > >> I cannot reproduce the issue on a set of devices we have here (3 different 4313 ePA models). >> Some of the devices that are reported to be broken are being shipped to us. >> So I would say we need around 2 weeks at least to resolve this (if we reproduce the problem and find >> a fix). >> Not sure this is soon enough. >> If not please go ahead an revert the patch. > > I am reverting the patch. Can you CC stable? Otherwise I will try to sent it to them after you applied it. Thanks David -- 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
