"Alexander E. Patrakov" <[email protected]> wrote:
>
> the main linux tree started suffering the same bug as described for -mm
> earlier in http://lkml.org/lkml/2005/11/7/147:
>
> if I put load on my system, connect to the Internet using my cellphone
> (/dev/ttyS0) and do something, it stops reacting to PS/2 keyboard
> events, but still understands PS/2 mouse. The PPP load monitor shows
> huge transfer rate (several megabytes per second) consisting of the
> infinitely replicated several last packets. events/0 consumes all the
> CPU. tty buffering revamping patch is the obvious candidate, but I
> haven't tried to revert it yet.
Darn, I hadn't thought of that. Yes tty-revamp might be the culprit.
Which serial driver are you using? Just 8250?
For you convenience,
http://www.zip.com.au/~akpm/linux/patches/stuff/2615mm2-no-tty-revamp.bz2
is 2.6.15-mm2 with just the tty-revamp and isicom patches reverted.
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