Re: Ethernet breakdown on a Yosemite evaluation board
On Tue, 19 Feb 2008 14:00:19 +0100 Nicolas Genevrier [EMAIL PROTECTED] wrote: Hello all, I noticed an Ethernet blocking on a Yosemite evaluation board when we are using both Ethernet devices (eth0 and eth1). To reproduce the issue, I just telnet the board from a PC (PC1) through eth0 and then telnet another PC (PC2) from the first telnet session through eth1. Then I display a lot of characters on the last telnet session: $ for i in `seq 1 10`; do echo $i aaa..(x160)..aaa; done After a while, transmission is blocked and leads to an rxde interruption from the MAL. Yosemite evaluation kit runs Linux 2.16.13 but I reproduced the issue with our board running Linux-2.6.16 on a 440EP. In Linux 2.6.16, the new ibm_emac driver tries to recover the error but Ethernet remains very very slow even one day after the end of the transmission. I didn't notice any evolution related to this neither any discussion on the topic. Sorry if I missed them. I am working on the subject but an idea or related information would be helpful. There was a patch from Wolfgang Ocker recently that fixed some interrupt settings for 440EP in arch/ppc. You might want to look at that. I still need to evaluate if the arch/powerpc port needs fixing. http://patchwork.ozlabs.org/linuxppc/patch?person=1210id=16789 josh ___ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
RE: Ethernet breakdown on a Yosemite evaluation board
Thanks a lot for the information, I apologize having not seen the posted patch. Everything seems to run well now. Nicolas -Message d'origine- De : Josh Boyer [mailto:[EMAIL PROTECTED] Envoyé : mardi 19 février 2008 15:17 À : Nicolas Genevrier Cc : linuxppc-embedded@ozlabs.org Objet : Re: Ethernet breakdown on a Yosemite evaluation board On Tue, 19 Feb 2008 14:00:19 +0100 Nicolas Genevrier [EMAIL PROTECTED] wrote: Hello all, I noticed an Ethernet blocking on a Yosemite evaluation board when we are using both Ethernet devices (eth0 and eth1). To reproduce the issue, I just telnet the board from a PC (PC1) through eth0 and then telnet another PC (PC2) from the first telnet session through eth1. Then I display a lot of characters on the last telnet session: $ for i in `seq 1 10`; do echo $i aaa..(x160)..aaa; done After a while, transmission is blocked and leads to an rxde interruption from the MAL. Yosemite evaluation kit runs Linux 2.16.13 but I reproduced the issue with our board running Linux-2.6.16 on a 440EP. In Linux 2.6.16, the new ibm_emac driver tries to recover the error but Ethernet remains very very slow even one day after the end of the transmission. I didn't notice any evolution related to this neither any discussion on the topic. Sorry if I missed them. I am working on the subject but an idea or related information would be helpful. There was a patch from Wolfgang Ocker recently that fixed some interrupt settings for 440EP in arch/ppc. You might want to look at that. I still need to evaluate if the arch/powerpc port needs fixing. http://patchwork.ozlabs.org/linuxppc/patch?person=1210id=16789 josh ___ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
Re: Ethernet breakdown on a Yosemite evaluation board
On Tue, 19 Feb 2008 16:04:35 +0100 Nicolas Genevrier [EMAIL PROTECTED] wrote: Thanks a lot for the information, I apologize having not seen the posted patch. Everything seems to run well now. No worries. It was a recent patch and not on this list even, so no need to apologize. Glad things are working for you. josh ___ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
