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List:       fedora-list
Subject:    Re: rescue mode needs rescuing!
From:       John Mellor <john.mellor () gmail ! com>
Date:       2020-03-18 12:50:11
Message-ID: af8262a1-5ec3-c52d-3d75-20d50abc05cd () gmail ! com
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Something keeps bugging me about what you described as symptoms. You 
stated that you started getting overheat warnings when you ran the old 
recovery kernel, and shut it down.  That should never happen unless the 
machine was not correctly built.

I suspect that either the processor or video card cooling fins are 
plugged with dust, or that the heat transfer goop on the top of the 
processor has dried out and you are not transferring enough heat away 
when under load.

Can you (a) blow out the cooling fins, and if that does not resolve the 
issue, (b) pop off the cooler and renew the Arctic Silver interface goop?

--

John Mellor



On 2020-03-17 4:13 p.m., home user wrote:
> (On Tue, 17 Mar 2020 at 06:17, George wrote)
>
> > You need to rule out hardware.
> Impossible.
> Good testing can make a really good case that it's not the hardware 
> (nor the driver).
> Complete testing, 100% ruling out, impossible.
> I must live with practical limits same as everyone else.
>
> > To narrow the problem down to your graphics card
> > and associated drivers, you need to remove the card
> > and use onboard graphics.
> If I....
> 1. shut down,
> 2. then disconnect the monitors,
> 3. then remove the graphics card,
> 4. then re-connect the monitors,
> 5. then power-up,
> 6. then log in and try to duplicate the problem,
> is that all?  The graphics driver (the one that came from rmpfusion) 
> is still there, and my impression is that getting those out will be 
> messy, time-consuming, and risky.  Then later I'd have to put them 
> back, also messy, time-consuming, and risky.  If the steps above (If 
> I.... 1 through 6) are sufficient, I'll give it a try.
>
> Here are details of two of the freeze problems that I remember 
> experiencing with Fedora Live:
> A.
> 1. I launched Firefox.
> 2. I started entering the URL 
> "lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org/" 
> into the address bar.  The freeze-up happened before I could finish 
> entering that URL.
> B.
> 1. I launched Firefox.
> 2. I entered the URL 
> "lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org/" 
> into the address bar.
> 3. The page was properly displayed.
> 4. I selected this a thread: this thread ("rescue mode needs rescuing!").
> 5. The page was properly displayed.
> 6. I scrolled down.  The freeze-up happened.
> Now I've had *no* problems when booting from the hard drive, not 
> today, not recently, not in quite a while.
> This does not prove the graphics card and driver are not at fault.  
> But it's a very good case.  I think Samuel was implying the same thing 
> on Sunday...
> > But unless you're seeing a really obvious problem,
> > it's unlikely to be failing.
>
> > "Seems fine" is not a diagnostic test.
>
> Well, I don't say that out of the blue; it's not a lazy or gut thing.
>
> > Your symptoms suggest a hardware/ driver problem.
>
> Then shouldn't I experience problems (more and worse) when I boot from 
> the hard drive?
>
> > If you have Windows 8 or10 installed, it has a
> > "fast boot" mode that bypasses the normal boot
> > process (using "hibernation"):...
> ...
> > Blame Windows. There have been instances where an OS
> > loads firmware that prevents normal reboot until the
> > system has been powered off.
>
> I have windows-7.
> I looked at that this morning.  I did see a fast boot setting in the 
> Advanced Mode, Boot screen.  It was enabled.  I switched it to 
> disabled.  It will take many boots before I have high confidence that 
> that fixed things.  One new instance of "one of them moods" 
> immediately shows the change probably did not fix things.  It's 
> impossible to *prove* the fix worked.
>
> What else did windows do to my bios?  Wait.  Do I really want to know?
>
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