Pigeon wrote:
> Looking at the source code for xserver-xorg-input-mouse it seems that this
> behaviour is a gross overreaction to the reception of a spurious z-axis
> packet from the mouse.
>
> if (pMse->negativeW != MSE_NOAXISMAP) {
> switch (pBuf[3] & 0x0f) {
> case 0x00: break;
> case 0x01: dz = 1; break;
> case 0x02: dw = 1; break;
> case 0x0e: dw = -1; break;
> case 0x0f: dz = -1; break;
> default:
> xf86Msg(X_INFO,
> "Mouse autoprobe: Disabling secondary
> wheel\n");
> pMse->negativeW = pMse->positiveW =
> MSE_NOAXISMAP;
> }
> }
>
> So, if it receives any z-axis data that it does not understand, it does not
> simply ignore it, it immediately and for no reason nukes the secondary wheel,
> and moreover does this in such a way that it also destroys any wheel
> remapping,
> with the result that it also destroys my vertical wheel. This is very rude.
>
> So I am currently testing the following patch, which simply reports and then
> ignores the spurious packet, instead of making my mouse unusable.
>
>
I will report your problem upstream. Does both wheels work very fine
with your patch?
(apart from some "unrecognized packet" warnings in the Xorg log)
Brice
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