From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Marcus lu <marcus.lu@delta.com.tw>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: kernel 3.2.0 with rt patch-3.2-rt10.patch.gz hangs up Ethernet module
Date: Tue, 16 Jun 2015 10:11:58 +0200 [thread overview]
Message-ID: <20150616081158.GI19996@pengutronix.de> (raw)
In-Reply-To: <loom.20150616T094748-860@post.gmane.org>
Hello,
On Tue, Jun 16, 2015 at 07:58:06AM +0000, Marcus lu wrote:
> I try kernel version 3.2.0 and RT patch patch-3.2-rt10.patch.gz on TI
> AM335x EVM(Cortex A8), I find out a problem.
Is there a reason you're not using the latest and greatest 3.2-stable
plust the matching lates -rt patch? Also 3.2 is already old and the
am335x support in mainline is good, so better use a more recent release.
> My test steps as below :
>
> 1. In pure linux directory, I use zcat ../../patch-3.2-rt10.patch.gz |
> patch -p1 command. (pure means I install TI’s SDK : ti-sdk-am335x-evm-
> 0.6.00.00.00-linux-x86-install.bin without changing anything)
>
> In linux directory :
> 2. make ARCH=arm CROSS_COMPILE=/home/marcus/ti-sdk-am335x-evm-
> 06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-
> gnueabihf- tisdk_am335x-evm_defconfig
> 3. make ARCH=arm CROSS_COMPILE=/home/marcus/ti-sdk-am335x-evm-
> 06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-
> gnueabihf- menuconfig
> 4. Select kernel Features and preemption Model Fully Preemptible
> Kernel(RT)
> 5. Save .config
> 6. make ARCH=arm CROSS_COMPILE=/home/marcus/ti-sdk-am335x-evm-
> 06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-
> gnueabihf- uImage
> 7. After building successfully, copy uImage to SD card and power on the
> EVM board.
>
> 8. Executing iperf -s on linux platform and execute iperf.exe –c
> 10.0.0.180 –w 100M –t 1200 –I 10 on win 7 platform.
> 9. Ethernet module on linux platform hangs up.(I can’t ping my PC in
> linux platform even though I use ipconfig eth0 down and ipconfig eth0 up
> command)
>
> Could you give me some suggestion?
Try a vanilla kernel. Vendor kernel tend to use non-optimal stuff that
stands in your way when you start to do things.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2015-06-16 8:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 7:58 kernel 3.2.0 with rt patch-3.2-rt10.patch.gz hangs up Ethernet module Marcus lu
2015-06-16 8:11 ` Uwe Kleine-König [this message]
2015-06-16 16:32 ` Sebastian Andrzej Siewior
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