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sewulba
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PostPosted: Sun Jan 30, 2011 9:05 pm    Post subject: kernel: eth0: RX MAC fifo overflow smac Reply with quote

Hi Community...

I got a new Problem. When I want to have a rsync session, the System hung up in a few minutes.

Code:
Jan 30 21:49:43 G4 kernel: eth0: RX MAC fifo overflow smac[02010400].


This is the problem, which is in /var/log/messges!
How can I fix this?

Code:
uname -a
Linux G4 2.6.36-gentoo-r5 #2 SMP PREEMPT Sat Jan 29 23:55:07 CET 2011 ppc 7447A, altivec supported PowerMac3,6 GNU/Linux


Greets Sewulba :wink:
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sewulba
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PostPosted: Wed Feb 02, 2011 10:15 pm    Post subject: Reply with quote

No solution for that? Am I the only one who has that problem?
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kernelOfTruth
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PostPosted: Fri Feb 04, 2011 4:57 pm    Post subject: Reply with quote

sewulba wrote:
No solution for that? Am I the only one who has that problem?


give it some time, sewulba

I'm sure in a few days there will be more posts on forums.gentoo.org or lkml

(depending on how widespread usage of the hardware & issue is)


referring to this thread in the "Kernel & Hardware" subforum might draw more attention in addition to the dedicated PPC subforum
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kernelOfTruth
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PostPosted: Sun Feb 06, 2011 12:22 am    Post subject: Reply with quote

cool,

the first patches are already flying in

just try them out with 2.6.37 and provide info, when needed

Good luck ! :)
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JoseJX
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PostPosted: Tue Feb 08, 2011 7:43 am    Post subject: Reply with quote

If this isn't already fixed with a newer kernel, please try to bisect the problem! If you need help with this process, please feel free to ask.
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sewulba
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PostPosted: Sat Mar 12, 2011 11:04 pm    Post subject: Reply with quote

JoseJX wrote:
If this isn't already fixed with a newer kernel, please try to bisect the problem! If you need help with this process, please feel free to ask.

Unfortunately it is not yet fixed. A newer kernel has nothing changed on this Problem. So I need help and feel free to ask you. :?
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sewulba
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PostPosted: Sun Mar 13, 2011 1:56 am    Post subject: Reply with quote

I have compiled Gentoo-Sources-2.6.37-r2.
I got the same messages in /var/log/messages:
Code:
Mar 13 02:42:11 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:42:12 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00010400]
Mar 13 02:42:14 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:42:20 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:42:20 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:42:20 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00010400]
Mar 13 02:42:28 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:42:31 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00810400]
Mar 13 02:42:31 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00010400]
Mar 13 02:42:36 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:42:36 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00842822]
Mar 13 02:42:39 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00810400]
Mar 13 02:42:52 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:43:01 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:43:01 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00810400]
Mar 13 02:43:02 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:43:02 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00010400]
Mar 13 02:43:10 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:43:13 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00010400]
Mar 13 02:43:30 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:43:30 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]
Mar 13 02:43:30 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[00010400]
Mar 13 02:43:58 G4 kernel: gem 0002:20:0f.0: eth0: RX MAC fifo overflow smac[02010400]


But not so often, like the kernel before.
I have send 8GByte data over SSH with rsync. No Systemcrash. But the messages in /var/log/messages are not fine.
In the past not more than 350MByte was successfull til systemcrash. It is much better, but why do I got this bad messages.

Greets Sewulba
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kernelOfTruth
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PostPosted: Sun Mar 13, 2011 5:21 pm    Post subject: Reply with quote

send the developers & the mailing list a reminder

when the merging phase starts for 2.6.39 they might be more busy than now ...
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sewulba
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PostPosted: Sun Mar 13, 2011 8:36 pm    Post subject: Reply with quote

kernelOfTruth wrote:
send the developers & the mailing list a reminder

when the merging phase starts for 2.6.39 they might be more busy than now ...

I don´t understand you right. What have I to do?
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kernelOfTruth
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PostPosted: Sun Mar 13, 2011 10:29 pm    Post subject: Reply with quote

sewulba wrote:
kernelOfTruth wrote:
send the developers & the mailing list a reminder

when the merging phase starts for 2.6.39 they might be more busy than now ...

I don´t understand you right. What have I to do?


just reply again to the last one who offered you a patch

and CC all the others (including the linux kernel mailing list, etc.)


something like:

Quote:
to: ...
CC: linux-kernel@..., ..., ...

*Bump*

I still get the same error message, not so often anymore than before but it's still leading to a systemcrash

any other patches please ?


(attach the error messages, kernel-version, pastebin-address to kernel-config, etc. etc.)
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JoseJX
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PostPosted: Mon Mar 14, 2011 1:45 pm    Post subject: Reply with quote

By "bisect" I mean a git bisect. You'll need to find a kernel that works and one that doesn't, then test between the two to find the change that broke things.

This site has a good explanation of the process: http://www.reactivated.net/weblog/archives/2006/01/using-git-bisect-to-find-buggy-kernel-patches/
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sewulba
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PostPosted: Sun Feb 10, 2013 3:10 am    Post subject: Reply with quote

I have made a new Gentoo System on my PowerMac Dual G4.

I use the Kernel 3.5.7-gentoo and the Kernel 3.7.6-vanilla. On both Kernel I got already the FIFO Problem like before with Kernel 2.6x!
My Powermac G4 hangs on Cisco Switch 2960G. So I fixed it by setting 'SPEED 100' on on Port where G4 hangs on!
The Problem I reported already exists.

Greets
Sewulba :cry:

PS.: Kernel driver for network is "sungem" and "sungem_phy"
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