Simos Xenitellis wrote:
(obviously we are off-topic) On Wed, Sep 16, 2015 at 8:46 PM, <email@example.com> wrote:Tom Williams wrote:On 09/15/2015 01:43 PM, firstname.lastname@example.org wrote:Ady Ady wrote:Hello Users of LibreOffice, Once in a while I visit the Release Plan wiki page, https://wiki.documentfoundation.org/ReleasePlan From that wiki page, I recently tried to visit the "5.0.2" -> "RC1" page (more than once), but my OS hangs when I click on the relevant link. Of course, it could be just a coincidence. I am reluctant to try to reach these pages again, especially considering that every new wiki page in the series is based on the prior one. I am using Windows Vista Home Basic 32-bit, with Internet Explorer 9 and Mozilla Firefox 40.0.3, all updated. The strange behavior happened with both web browsers. I don't know whether some security tool being in use (e.g. Avast) might be relevant. I wanted to share this unusual experience, in case someone else happens to see it too (or something similar, or at least uncommon), and/or maybe it might be worth someone checking the source of these wiki pages (and their related nested templates). I am aware that this behavior (hanging OS) would be considered "unlikely to be triggered by some wiki page". The fact that it happened to me more than once while following the same links (but nowhere else) pushed me to at least comment on it.Interesting... I don't see a problem with that page at the moment. However, since mid July I have been experiencing occasional OS hangs which seem to be triggered by visiting certain web pages or sometimes scrolling down the page slightly even after it's been loaded for a while. Revisiting the same page doesn't necessarily trigger another hang, but some pages seem to be more prone to it than others. I use Windows Vista Business 32-bit, Mozilla SeaMonkey 2.33.1 (based on Firefox 36), Avast antivirus. One site (www.discount-electrical.co.uk) seemed to be particularly troublesome. At one point I couldn't even add a few items to the shopping cart and check out before the OS hung. Hangs seemed to be less frequent using Chrome instead, but I did still get a few. I didn't try IE. I haven't had so much trouble since mid August, but then again I haven't been visiting the sites which seemed to be triggering the problem so much lately either. Still get a couple of unexplained hangs a week though. I can't be certain that visiting the web sites is/was the trigger, or whether that's just coincidental. As you say, it does seem unlikely! If anything, I'd suspect some interaction with a Windows update or perhaps Flash or Avast, since I'd just got back from holiday and installed a load of updates just before the problems started. Another possibility for me is overheating or failing hardware (this is a 9 year old laptop so getting on a bit!) but I haven't got around to investigating further. Mark. So, when the problem happens for you, what do you do to recover? How doyou get the system working again? Have you checked the Windows Event Viewer for log messages? There might be a log message around the time the system hangs. Peace.. "The Other" TomFor me the whole OS completely hangs and I have to kill the power (press and hold power button for a few seconds). Ctrl+Alt+Del does nothing, mouse pointer doesn't move, and num lock / caps lock don't respond (they often at least toggle the keyboard lights even if nothing else responds; in this case even that stops responding). I haven't got around to investigating thoroughly, but things I have tried include: - Just leaving it for over half an hour to see if it would start responding again; it didn't. - Checking event logs; there's nothing obviously relevant, except the expected complaints during the next startup related to not having been shut down properly. - Keeping Task Manager / Sysinternals Process Explorer open before it hangs, but there's no obvious peak in processor or memory usage, or any particular process's activity - but they might just not get a chance to update the display when it does hang. - Some of the memory and CPU load tests from www.ultimatebootcd.com, but they didn't reveal anything and didn't hang. Can't actually remember whether I checked the disk for errors, I think I did but may be worth doing again.
Just done that. No errors found by Windows' check disk, including checking for bad sectors.
At some point when I have enough time I'll get the lid off and check fans, heatsinks, etc. I'm half expecting to find dust or spiders clogging things up...The common thing with Ady is that you both have the Avast Antivirus. An antivirus runs as a "system service" on Windows, and if something goes terribly wrong in the system service, then the whole operating system may misbehave. Since you do not have yet a set of steps to reproduce the problem, it is extremely difficult to figure out the issue.
My reasons for initially suspecting Windows Updates were mainly the number of updates lately involving things such as fonts and graphics, and that an error introduced in a previous update (KB3013455) to Win32k.sys related to handling of fonts lead to some fonts being barely readable. It doesn't seem inconceivable that another duff update might occasionally hang the kernel when something (like a web browser) tries to display a certain combination of things, possibly with specific timing. I agree Avast is looking like another potential culprit.
Another possible case... I was cleaning some junk off someone else's computer a couple of weeks ago, and they happened to mention that someone else had borrowed it to check emails (presumably webmail) and had it hang. Just a one-off as far as I know, possibly coincidental, but that was also Windows Vista with Avast antivirus.
Not being able to reliably reproduce the hangs is somewhat frustrating. I'm not going to have time to look in great detail for at least a couple more weeks, but it does sound like there may be something in it. I think the first step will be to see if I can still get it to happen more often using the same sites I had trouble with before, though it varied between 5 minutes and several hours before a hang, possibly depending on things like exact usage patterns and what else happened to be going on in the background...
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