Frequent lockups :(

[phm]

I am on Debian amd64 running XFCE 4.12 and have not experienced
"frequent lock ups" recently. I have Chromium and Iceweasel packages. My
guess is there are Debian-specific packages which have broken. I want to
point out that you can't be sure before you have tried another desktop.

Warren Block wrote:
> On Mon, 28 Mar 2016, brian wrote:
>
>>
>> Is there anybody else out there using Debian Jessie 64-bit and XFCE on
>> an AMD PC who, for the 3 or 4 days, has been seeing frequent lockups
>> of their PC? The crashes seem to occur when I'm using a browser, and
>> using Iceweasel is worse than using Chromium. When it happens, that's
>> it, everything locks solid, mouse cursor won't move, the keyboard
>> doesn't appear to work, the display clock stops, the only thing I can
>> do is to use the reboot switch. The only thing I notice is that the
>> drive access light is still flickering (once every 5-10 seconds) and
>> there's been a disk repair needed every time I've had to reboot.
>>
>> I know there was an amd64-microcode package in the last bunch of
>> updates, it's for AMD processors other than mine (a Phenom II 6-core)
>> so I uninstalled that, with no apparent effect on the problem.
>>
>> The 'about XFCE' dialog gives the version as "4.10, distributed by
>> Debian".
>>
>> Anybody have any ideas, please? The lockups are happening every couple
>> of hours or so.
>
> xfce 4.10 on FreeBSD is used here daily, with no problems at all,
> although generally on Intel processors.
>
> There are a lot of things this could be, but hardware problems would
> be high on my list.  I would check that the power supply and system
> fans are clear and spinning, the heatsinks are not clogged with dust,
> that sort of thing.  If the machine is more than a few years old, look
> for bulged capacitors on the motherboard near the CPU.  It's usually
> difficult to see into a power supply, but try to look there also.
> Failed caps can cause just this type of intermittent problem.  So can
> RAM that is failing.
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