[Xmonad] Tabbed layout, xinerama, strange crashing

Stefan O'Rear stefanor at cox.net
Sun Jun 10 21:35:07 EDT 2007

On Mon, Jun 11, 2007 at 11:32:39AM +1000, Dave Harrison wrote:
> Hey all,
> I've been trying out the new tabbed layout and it was working really
> well for about 2 hours, then it suddenly just started killing my X for
> some reason.
> What I was finding was that as soon as I switched screens my session
> would die (dropping me back to the gdm login page).  It would also do
> this if I switched to a workspace > 5.  Weird eh ?
> I'm using the darcs head for contrib, xmonad and x11-extras, so I
> pulled the latest (again, just to be sure) for them and no updates.
> I'm  also using Feisty Ubuntu as my OS if that makes any difference.
> I rebuilt and reinstalled, no luck.
> As soon as I dropped the tabbed module out and rebuilt/reinst xmonad
> it's all back to working again (albeit sans tabbing which I really
> REALLY miss now already :-) ).
> Not being an X guru, and not very up on haskell, I'm not sure how to
> try and debug this ... can anyone suggest how I might try and track
> this problem down ?

You're not alone - #xmonad says:

18:16 < jcreigh> oh, joy: xmonad crashes. (bug in tabbed)
18:16 < jcreigh> I think it only affects Xinerama.
18:18 < sjanssen> huh?  what business does tabbed have crashing?
18:18 < jcreigh> the bug seems to be: attempting to switch to an empty workspace while there is still a tabbed workspace visble makes xmonad die: "xmonad: No match in record selector StackSet.focus"


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