From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Fertser Date: Tue, 19 Oct 2010 20:22:58 +0400 Subject: PIO mode In-Reply-To: <4CBDC183.9020101@lwfinger.net> References: <20101010072158.GV1593@home.pavel.comp> <20101010170311.GW1593@home.pavel.comp> <20101013065845.GG1593@home.pavel.comp> <4CBB7A46.6040507@lwfinger.net> <20101018041103.GK1593@home.pavel.comp> <4CBCA6BC.6080605@lwfinger.net> <20101019004331.GN1593@home.pavel.comp> <4CBDC183.9020101@lwfinger.net> Message-ID: <20101019162258.GO1593@home.pavel.comp> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b43-dev@lists.infradead.org On Tue, Oct 19, 2010 at 11:04:19AM -0500, Larry Finger wrote: > On 10/18/2010 07:43 PM, Paul Fertser wrote: > > I have a desktop connected by wired ethernet to the wireless AP and i do > > > > $ ssh pavelssh at 192.168.1.2 bash -c 'cat > /dev/null' < /dev/zero > > > > from the netbook. > > Running the equivalent of the above command on my system does not result in a > DMA error for my 14e4:4315 device. It runs for almost 22 minutes and then loses > the connection with the following logged: ... > Oct 19 10:35:03 linux-1fyl kernel: [84172.908799] wlan0: authenticate with > c0:3f:0e:be:2b:45 (try 1) > Oct 19 10:35:04 linux-1fyl kernel: [84173.108181] wlan0: authenticate with > c0:3f:0e:be:2b:45 (try 2) So there certainly are some problems left that you're able to reproduce, that's nice :) BTW, while reading the mmiotrace logs (i hope you got all my logs as well ;)) i found something that is not present in ssb/b43: MARK 680.950958 Read dword 0xCE035801 from 0x40, devfn: 0 MARK 680.950966 Wrote dword 0xCE030001 to 0x40, devfn: 0 And indeed there's code (in the free part of the wl driver) responsible for that. Adding that to ssb right after pci_set_master doesn't help though :| -- Be free, use free (http://www.gnu.org/philosophy/free-sw.html) software! mailto:fercerpav at gmail.com