Re: FVWM: Weird fvwm crash bug

From: Marcus Lundblad <ml_at_update.uu.se>
Date: Sun, 4 Nov 2001 01:01:39 +0100 (CET)

On 3 Nov 2001, Nix wrote:

> With fvwm-2.4.1 and above, I've been experiencing really weird X
> crashes. fvwm works fine, until I switch virtual consoles away from X
> and back again. When using any window manager but fvwm-2.4.x, nothing
> bad happens; but if fvwm-2.4.x is running in the X session[1], every X
> client that was being managed by fvwm at the time of the switch freezes
> solid. fvwm thinks it's still there (so you can manipulate the --- now
> forever unrepainted --- windows), and the process is still there, but
> it's blocked in select() forevermore.
>
> I'm using XFree86-4.1.0 (from CVS at XFree86) on an i586-pc-linux-gnu
> box with glibc-2.2.4 and the mga driver.
>
> I'm not sure if this is really a fvwm bug, but fvwm is implicated
> (somehow); if it's not a fvwm bug it's an XFree86 bug triggered by
> fvwm-2.4.x. To be honest, I'm not even sure where to start searching for
> the bug; nothing's looping and eating CPU or I could hit it with gprof,
> nothing dumps core, and I'd rather eat my own intestines than try to
> debug a running X server. Everything just, well, stops working.
>
> (This probably started happening somewhere in the 2.3.x range, but I
> jumped straight from 2.2.5 to 2.4.1. It still happens with 2.4.3.)

I've also experianced similar things. Sometimes everything hangs when
switchning VC. And it happens that my X-Server crashes when trying to log
out from fvwm2.

fvwm2 2.4.3 i686-pc-linux-gnu kernel 2.4.2-2, Xfree 4.0.3-5

I thought maybe it was a hardware problem, perhaps it wasn't...

//Marcus

>
>
> I'm stumped. Anyone else got any clues?
>
>
> [1] I'm not sure if the session being switched away from or the one
> being switched to crashes.
>
> --
> `You're the only person I know who can't tell the difference
> between a pair of trousers and a desk.' --- Kieran, to me
> --
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Received on Sat Nov 03 2001 - 18:01:40 GMT

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