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Topic: Potential kernel modification to get reliable wifi< Next Oldest | Next Newest >
tempestuous Offline





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Posted: Jan. 12 2006,09:19 QUOTE
Forum member quirky recently made a post attributing the Ralink rt2500 driver's problems to the fact that DSL's kernel has SMP enabled.
http://damnsmalllinux.org/cgi-bin....t=10772
This is interesting.  By disabling SMP in the kernel, would the numerous wifi problems with DSL2 reported on the forum be solved?

Anyone have any supporting information?
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cbagger01 Offline





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Posted: Jan. 12 2006,18:13 QUOTE
Many of these reports also state that their wifi cards worked properly under DSL version 1.5

DSL 1.5 uses the 2.4.26 smp enabled kernel.

So I doubt that disabling smp support will solve the specific problem that those people are observing.

But it MIGHT help some others out.  I dunno.
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roberts Offline





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Posted: Jan. 13 2006,07:01 QUOTE
Indeed it does appear that the atmelwlandriver requires a non-SMP kernel!

There has been a report on the mailing list of big problems with an SMP kernel, which went away when a non-SMP kernel was used.

The latest readme from the stable sources now also indicates that a non-SMP kernel is required!
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tempestuous Offline





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Posted: Jan. 13 2006,14:37 QUOTE
Ironically, these wifi drivers may work OK with DSL2+ on non-SMP-capable PC's (just a hunch) because this older hardware can't use SMP routines.

Perhaps what we're seeing is a result of more people using DSL now on newer hardware?
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quirky Offline





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Posted: Jan. 13 2006,18:58 QUOTE
I can confirm that the rt2500 driver causes a hang on my single CPU, non hyper-threaded CPU machine.

EDIT: But after remastering the CD with a non SMP kernel, the same hardware and driver works as expected.
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