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? -- John W. Linville Someday the world will need a hero, and you linville@xxxxxxxxxxxxx might be all we have. Be ready. -- 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
