DragonFly bugs List (threaded) for 2005-06
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Re: patch (Re: ^Z during port build and hang?)
On Fri, Jun 24, 2005 at 11:15:28AM -0700, Matthew Dillon wrote:
> Try this patch. There is a race during fork() where a ^Z can cause a
> newly forked process to stop as part of the fork trampoline. That code
> path was not setting up the passive release function and the process
> retained its 'current process' designation when it went to sleep. The
> result? No other user processes can run.
>
> The thread priority was also not being properly set, possibly giving
> programs that fork a lot (e.g. a make/build) higher priority then the
> rest of the system.
Thanks! So far with this patch, I haven't been able to reproduce it no
matter how hardly I tried to do so. By the way, do you have any idea
why it only happens with ttyv? and not with other types of terminals?
Thanks.
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