Re: Activated two-part nntp async fetch again

[Eric Abrahamsen <eric@ericabrahamsen.net>]

On Tue, Feb 15 2011, Lars Ingebrigtsen wrote:

> I've now activated the two-part NNTP async fetch again, so your Gnus
> will hang again, if you were affected by the hangs earlier.
>
> However, I think I may have made some headway in trying to figure out
> why it hangs, although I've been unable to reproduce the problem myself.
>
> I think the issues is that `nntp-retrieve-group-data-early' is called
> twice on the same server, for some reason.  And that makes all the
> output go into the same buffer, and things get really messed up.
>
> If you are affected by this problem, could you `M-x debug-on-entry RET
> nntp-retrieve-group-data-early RET' and then note what the value of the
> `server' variable is in each instance?  If you get the same value twice
> in the same `g' session, then we've found the culprit, and I'd like to
> have the backtraces from two of those calls so that I can see what's
> screwing things up.

Mine's hanging again and I'd love to contribute to the debugging
process, but I'm not quite sure what you mean by "each instance". Here's
what I get from one 'g' session, and it appeared to be the same when I
did it again:

Debugger entered--entering a function:
* nntp-retrieve-group-data-early("news.gmane.org" (("gmane.emacs.auctex.general" 3 (...) (...)) ("gmane.emacs.gnus.general" 3 (...) (... ... ... ... ...)) ("gmane.emacs.help" 3 (...) (... ... ...)) ("gmane.lisp.lib.tbnl.general" 3 (...) (...)) ("gmane.emacs.orgmode" 3 (...) (... ... ...)) ("gmane.comp.finance.ledger.general" 3 (...) (... ...)) ("gmane.mail.mairix.user" 3 (...) (... ...)) ("gmane.comp.lang.haskell.xmonad" 3 (...) (... ...)) ("gmane.emacs.gnus.user" 3 (...) (... ... ...))))
  gnus-retrieve-group-data-early((nntp "news.gmane.org") (("gmane.emacs.auctex.general" 3 (...) (...)) ("gmane.emacs.gnus.general" 3 (...) (... ... ... ... ...)) ("gmane.emacs.help" 3 (...) (... ... ...)) ("gmane.lisp.lib.tbnl.general" 3 (...) (...)) ("gmane.emacs.orgmode" 3 (...) (... ... ...)) ("gmane.comp.finance.ledger.general" 3 (...) (... ...)) ("gmane.mail.mairix.user" 3 (...) (... ...)) ("gmane.comp.lang.haskell.xmonad" 3 (...) (... ...)) ("gmane.emacs.gnus.user" 3 (...) (... ... ...))))
  gnus-get-unread-articles(nil)
  gnus-group-get-new-news(nil)
  call-interactively(gnus-group-get-new-news nil nil)