Re: Was: More ULE bugs fixed. Is: Mouse problem?

On Wed, 5 Nov 2003, Eirik Oeverby wrote:

> Eirik Oeverby wrote:
> > Just for those interested:
> > I do *not* get any messages at all from the kernel (or elsewhere) when
> > my mouse goes haywire. And it's an absolute truth (just tested back and
> > forth 8 times) that it *only* happens with SCHED_ULE and *only* with old
> > versions (~1.50) and the very latest ones (1.75 as I'm currently
> > running). 1.69 for instance did *not* show any such problems.
> >
> > I will, however, update my kernel again now, to get the latest
> > sched_ule.c (if any changes have been made since 1.75) and to test with
> > the new interrupt handler. I have a suspicion it might be a combination
> > of SCHED_ULE and some signal/message/interrupt handling causing messages
> > to get lost along the way. Because that's exactly how it feels...
>
> Whee. Either the bump from sched_ule.c 1.75 to 1.77 changed something
> back to the old status, or the new interrupt handling has had some major
> influence.
> All I can say is - wow. My system is now more responsive than ever, I
> cannot (so far) reproduce any mouse jerkiness or bogus input or
> anything, and things seem smoother.
>
> As always I cannot guarantee that this report is not influenced by the
> placebo effect, but I do feel that it's a very real improvement. The
> fact that I can start VMWare, Firebird, Thunderbird, Gaim and gkrellm at
> the same time without having *one* mouse hickup speaks for itself. I
> couldn't even do that with ULE.
>
> So Jeff or whoever did the interrupt stuff - what did you do?

This is wonderful news.  I fixed a few bugs over the last couple of days.
I'm not sure which one caused your problem.  I'm very pleased to hear your
report though.

Cheers,
Jeff

>
> /Eirik
>
> >
> > Greetings,
> > /Eirik
> >
> > Morten Johansen wrote:
> >
> >> On Tue, 4 Nov 2003, Sheldon Hearn wrote:
> >>
> >>> On (2003/11/04 09:29), Eirik Oeverby wrote:
> >>>
> >>> > The problem is two parts: The mouse tends to 'lock up' for brief
> >>> moments
> >>> > when the system is under load, in particular during heavy UI
> >>> operations
> >>> > or when doing compile jobs and such.
> >>> > The second part of the problem is related, and is manifested by the
> >>> > mouse actually making movements I never asked it to make.
> >>>
> >>> Wow, I just assumed it was a local problem.  I'm also seeing unrequested
> >>> mouse movement, as if the signals from movements are repeated or
> >>> amplified.
> >>>
> >>> The thing is, I'm using 4BSD, not ULE, so I wouldn't trouble Jeff to
> >>> look for a cause for that specific problem in ULE.
> >>
> >>
> >>
> >>
> >> Me too. Have had this problem since I got a "Intellimouse" PS/2
> >> wheel-mouse. (It worked fine with previous mice (no wheel)).
> >> With any scheduler in 5-CURRENT and even more frequent in 4-STABLE,
> >> IIRC. Using moused or not doesn't make a difference.
> >> Get these messages on console: "psmintr: out of sync", and the mouse
> >> freezes then goes wild for a few seconds.
> >> Can happen under load and sometimes when closing Mozilla (not often).
> >> It could be related to the psm-driver. Or maybe I have a bad mouse, I
> >> don't know.
> >> I will try another mouse, but it does work perfectly in Linux and
> >> Windogs...
> >>
> >> mj
> >>
> >>
> >>
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