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Re: BUG 800480 - xlog_grant_log_space can wait indefinitely

To: Thomas Graichen <graichen@xxxxxxxxxxxxx>, thomas.graichen@xxxxxxxxxxxxx
Subject: Re: BUG 800480 - xlog_grant_log_space can wait indefinitely
From: Steve Lord <lord@xxxxxxx>
Date: Wed, 30 Aug 2000 09:16:39 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: Message from Thomas Graichen <news-innominate.list.sgi.xfs@xxxxxxxxxxxxx> of "30 Aug 2000 06:43:26 GMT." <news2mail-8oiaee$7lj$1@xxxxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
> i might be completely wrong - but the sv_wait thing was once observed
> as an gcc 2.95 problem - maybe this is the reason? (just an idea)
> 
> t
> 

This is possible and we will check into it, however, a system built with that
compiler tends to do things a lot worse than hang some threads.

Other possibilities are that some chunk of metadata at the end of the log
is not getting written out for some reason, or we missed a wakeup - although
that would not be a permanent hang.

Steve



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