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DGN3500 crashes with Linux 2.6.39-2-amd64 kernel
I posted http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631289 but it has been closed with the response "So there's a bug in the router." I have Lenovo X201 and T500 laptops running Debian Testin...
A rough and ready experiment: I tried varying the WiFi connection speed on the ADSL router and the kernel version. I also tried Ubuntu Natty as well as Debian Testing, both the 2.6.38 kernel and 2.6.39 kernel -- Natty only has a 2.6.38 kernel as far as I can tell.
The 2.6.38 kernel works fine with the router at "upto 270", "upto 130" , and "g only".
The 2.6.39 kernel fails to work on higher loads at "upto 270" and "upto 130", but works fine at "g only".
The deduction from this is that something has changed in the 802.11n aspects of the 2.6.39 kernel that either:
-- has diverged from the standard as implemented in the router.
-- has corrected a divergence from the standard, that is incompatible with the router.
I am sure there are other possibilities, but these seem the most obvious.
I will put this anecdotal data my Debian bug report http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631289, to see if anyone upstream from Debian in the Linux world (especially iwlagn world) is going to worry about this. Hopefully the Netgear folk already do.
The 2.6.38 kernel works fine with the router at "upto 270", "upto 130" , and "g only".
The 2.6.39 kernel fails to work on higher loads at "upto 270" and "upto 130", but works fine at "g only".
The deduction from this is that something has changed in the 802.11n aspects of the 2.6.39 kernel that either:
-- has diverged from the standard as implemented in the router.
-- has corrected a divergence from the standard, that is incompatible with the router.
I am sure there are other possibilities, but these seem the most obvious.
I will put this anecdotal data my Debian bug report http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631289, to see if anyone upstream from Debian in the Linux world (especially iwlagn world) is going to worry about this. Hopefully the Netgear folk already do.