2010/4/23 Gábor Stefanik <netrolller.3d@xxxxxxxxx>: > 2010/4/22 Rogerio Luz Coelho <rogluz.news@xxxxxxxxx>: >> 2010/4/11 Gábor Stefanik <netrolller.3d@xxxxxxxxx>: >>> 2010/4/10 Rogerio Luz Coelho <rogluz.news@xxxxxxxxx>: >>>> 2010/4/10 Gábor Stefanik <netrolller.3d@xxxxxxxxx>: >>>>> On Sat, Apr 10, 2010 at 2:07 PM, Rogerio Luz Coelho >>>>> <rogluz.news@xxxxxxxxx> wrote: >>>>>> 2010/4/3 Rogerio Luz Coelho <rogluz.news@xxxxxxxxx>: >>>>>>> 2010/4/3 Larry Finger <Larry.Finger@xxxxxxxxxxxx>: >>>>>>>> On 04/03/2010 11:49 AM, Rogerio Luz Coelho wrote: >>>>>>>>> >>>>>>>>> I have a MS-Win7 instalation on this Laptop and it works 100% even at >>>>>>>>> longer distances than you report,even with walls in between. >>>>>>>>> >>>>>>>>> Will do the tcpperf test as soon as I get home. There are other with >>>>>>>>> the same problem with my exact chip here in Brasil , that is because >>>>>>>>> one of our leading Laptop vendors uses this config. >>>>>>>> >>>>>>>> What is the exact make and model of the device? It might be difficult >>>>>>>> for me to get one in the US, but one of the rtl8187 developers lives in >>>>>>>> Brazil. He should be able to find one. >>>>>>>> >>>>>>> >>>>>>> It愀 a POSITIVO R430L - Core 2 Duo 4GB RAM >>>>>>> >>>>>>> >>>>>>>>> Does it matter that the USB port used in this setting is a connected >>>>>>>>> to a USB HUB and then to the mother board? >>>>>>>> >>>>>>>> Is the hub passive, or is it powered? If the hub is good and not >>>>>>>> underpowered, it should be OK. >>>>>>>> >>>>>>>>> More details and tests will come your way in a day or two ... will >>>>>>>>> reinstall Mandriva 2010 and do some tests with older kernels. >>>>>>>> >>>>>>>> If you can download an openSUSE 11.2 Live CD and burn it, you would not >>>>>>>> even have to do an installation. That one has a 2.6.31 kernel. >>>>>>>> >>>>>>>> Larry >>>>>> >>>>>> >>>>>> Downloaded and installed: >>>>>> >>>>>> OpenSuse 11.2 - LiveCD result: Gnome Network-Manager tells me there >>>>>> is connection but no ping resposes, Firefox complains about conections >>>>>> errors. >>>>>> >>>>>> Mandriva 2010.0 (kernel 2.6.31-12) result: concection comes and goes >>>>>> ... generally the first boot of the day connects, but it lasts less >>>>>> than 5min. The error code is the "deauthentication by local reason >>>>>> (reason=3) again. >>>>>> >>>>>> MS-Win7 : connects and is as fast as ever. >>>>>> >>>>>> -- Any other suggestions? >>>>>> >>>>>> Rogerio >>>>>> >>>>>> PS: Will give OpenSuse a HD install atempt and will try to debug the >>>>>> Mandriva for some time, future tries involve Debian Stable (old >>>>>> kernel) and some Fedora (any suggestions?) and the NDISwrapper drive >>>>>> in a Debian Testing (the Distro I need working) >>>>> >>>>> Hi, >>>>> >>>>> Please also test Realtek's official r8187b driver. If possible, please >>>>> do an mmiotrace on that driver. >>>> >>>> Ok ... The official Realtek is only for 32bits systems right ? ( At >>>> least the guys at Realtek support told me so... ) and this mmiotrace >>>> can be accomplished how? Is it a program, a command, a debug message >>>> in some form? Sorry, as I said earlier I am NOT a kernel programer. >>>> >>>> Rogerio >>>> >>> >>> You need to enable MMIO tracing support in your kernel config, and >>> recompile your kernel (assuming it is not enabled already - distros >>> usually disable the entire tracing framework by default). Then: >>> -Mount debugfs to /debug. (Usually it is mounted by default, but some >>> distros like to mount it @ /sys/kernel/debug instead - remount it to >>> /debug.) >>> -"echo mmiotrace > /debug/tracing/current_tracer" >>> -"cat /debug/tracing/trace_pipe > trace.txt &" - at this point, tracing begins. >>> -Load r8187b and connect. >>> -"echo "Driver loaded!" > /debug/tracing/trace_marker" >>> -"echo nop > /debug/tracing/current_tracer" - tracing ends here. >>> >>> Do this for rtl8187 as well. >>> After each trace, check if "grep -i lost trace.txt" returns anything. >>> If it does, enlarge the trace buffer and retry: >>> -"cat /debug/tracing/trace_buffer_kb" >>> -"echo [BUFSIZE] > /debug/tracing/trace_buffer_kb", where [BUFSIZE] is >>> recommended to be about twice the number returned by the previous >>> command. >> >> I installed a vanilla kernel 2.6.32.11 , config to rum mmio , but my >> rtl818x modules are loaded by default and the modprobe -r command >> doesn't seem to change this ... any ideas ? >> >> Rogerio > > Did you build rtl8187 as a module? Otherwise modprobe -r can do nothing. > Will check this ... but it seems to be a module ...If I have rtl8187 and rtl8187b in the blacklist will I be able to load them manually? Rogerio >> >> >>> >>> Repeat these steps until the "lost events" warning disappears. Once >>> you find the right BUFSIZE for one driver, you can use the same size >>> for the other one too. >>> >>> Hth, >>> Gábor >>> >>> -- >>> Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) >>> >> > > > > -- > Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) > -- 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
