Re: Dealing with buggy hardware (was: b44 and 4g4g)

From: Pavel Machek (pavel_at_ucw.cz)
Date: 06/11/04

  • Next message: Pavel Machek: "Re: Fix memory leak in swsusp"
    Date:	Fri, 11 Jun 2004 11:45:23 +0200
    To: Pekka Pietikainen <pp@ee.oulu.fi>
    
    

    Hi!

    > > Okay, this is probably other problem. When the bug hit, what are the symptoms?
    > Total immediate crash without an oops. When the RX ring skbufs are allocated
    > with GFP_DMA receives work, but any transmits from > 1GB cause a link
    > down/link up (which is just about all of them). With GPF_DMA bounce
    > buffers those start working too.
    >
    > > > (Or the issue isn't fully understood yet, figuring out what breaks and what
    > > > doesn't was basically just trial and error :-/ )
    > >
    > > Can you try the driver from broadcom? bcom4400, or how is it
    > > called. Its extremely ugly, but might get this kind of stuff right...
    > Tried that, it breaks with 4:4 and >1GB in exactly the same way :-)

    You might want to report them, then look at diff between latest and
    previous versions :-)))).
                                                                            Pavel

    -- 
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  • Next message: Pavel Machek: "Re: Fix memory leak in swsusp"

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