Have you tried the mice on another OS or install of plan9? On Fri, Feb 28, 2025, 1:13 PM <cigar562hfsp952f...@icebubble.org> wrote:
> I have a couple of HP M-U0013-O USB optical mice which have recently > began generating phantom mouse clicks. I'm at a complete loss for > figuring out what's going on, here. > > Based on the recommended hardware list on the Plan 9 Wiki (back when it > was still live), I bought a Hewlett Packard DY651A USB optical mouse. > Knowing that everything eventually breaks, I actually ordered two of > them, so I would have one as a "critical spare" to swap-in when/if the > first mouse ever failed. The mice which I received were actually model > M-U0013-O, not DY651A, but they appeared the same as the DY651A. I had > been using the M-U0013-O regularly, for about 13 years, without any > problems, since I bought the pair of mice in 2011. > > Then, just a couple of months ago, one of the M-U0013-O began generating > spurious button-1 clicks. When I pressed down button-1, the mouse would > behave as if I was pressing and releasing button-1 in rapid succession. > It was kind of like the mouse somehow switched from semi-automatic to > full automatic fire. :) But it didn't happen with buttons 2 or 3, just > button 1. Since the mouse was more than a decade old, and button 1 is > used more than buttons 2 or 3, I figured some metal part (maybe a spring > or switch) had fatigued. The malfunction appeared to be classic switch > bouncing, so I swapped out the first M-U0013-O for the "critical spare" > M-U0013-O. To my amazement, the second M-U0013-O exhibited the same > exact behavior (phantom rapid-fire button-1 clicks) despite the fact > that it had been sitting, unused, in a box for 13 years. > > The strange thing is how intermittent the malfunctions are. Sometimes > button-1 works fine. Other times, it acts like someone secretly slipped > an autoseer into the mouse. It happens whether the mouse is connected > to a desktop or to a laptop. It happens at home, and away from home. > It also happens when I use the laptop in a completely different town. > When there is RFI on a USB cable, the Linux kernel's USB driver will > often generate errors, but I wasn't receiving any of those error > messages. There aren't any cell towers near my house. There is a cell > site hidden in the steeple of a nearby church, but that's been there for > decades, and there's no way it could possibly affect my mouse when I'm > two towns away. Although they are easily hidden, I'm not aware of any > 5G antennae in the area which have gone up in the past couple of months. > Both my next-door neighbor and I are ham radio operators. But, like the > cell site, that couldn't cause these problems when I'm out of town. I > never carry a cell phone, smartwatch, or even any devices that use > Bluetooth. The only wireless charger I use (for my toothbrush) sits at > home, next to the sink. I've even checked the "spaceweather." These > phantom clicks occur even when the spaceweather is clear: no solar > flares or geomagnetic storms. > > Yes, I'm sure I'm using the mouse correctly, just the same as I have for > the past decade. This is not user error! I don't have parkinsons, > seizures, or a pacemaker. I'm not sneezing while I click. I'm not > shivering from cold or trembling in fear. I'm quite certain I'm not > hallucinating the spurious clicks, either. I'm just completely baffled. > > The thought of "planned obsolesence" came to mind... both mice might > have been designed to fail after a certain period of time after their > manufacture. But one of them went completely unused (and, thus, unworn) > that whole time. Even if the failure were pre-programmed in firmware, > there's no way the spare mouse could possibly know what year it is, > because the USB HID protocol doesn't report that information to mice. > It's also highly unlikely that anyone could have sabotaged the mice. I > keep tight physical control over my hardware and... more realistically, > why would anyone pull such a BIZARRE prank? I have made no changes to > either hardware or software during the past couple of months, when the > strange behavior began. > > Has anyone here experienced this problem with the HP DY651A or M-U0013-O > mice? Since it's recommended "Plan 9" hardware, I figure someone else > here might have encountered the same problem. Any idea what could be > causing these mice to hallucinate mouse clicks? ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T6b4baee49a9f704b-M9080603311acff4d9c5599ea Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
