[uml-devel] Re: [ann] kraxel's 2.6.8 uml patch kit

[Jeff Dike <jdike@addtoit.com>]

kraxel@bytesex.org said:
> uml-core-on-panic
> 	Make the uml kernel dump core on kernel panics for later analysis.
> 	Default: off, there is a kernel cmd line arg to enable that. 

I like this, but I think it would be better done in a panic_notifier.

> uml-fix-mconsole-proc
> 	fix kernel crash triggered by running "uml_mconsole <umid> proc
> <some-file>"
> 	multipole times. 

I didn't do it this way on purpose.  I create an internal procfs mount in
case the UML root user has mounted something else on /proc.  I don't want
the mconsole on the host to be faked out by that.

> uml-net-flush-on-ifup
> 	flush incoming packets on ifup -- fixes networks stalls which happen
> in
> 	case the unix socket buffer is already full when the interface is
> up'ed
> 	(due to SIGIO never signaling arrived data). 

Applied, BTW, this one is mangled on your site:
	@@ -129,6 +129,7 @@ static int uml_net_open(struct net_devic

It's in my 2.4 tree and will get moved over to 2.6 in due course.

> uml-terminal-cleanup
> 	tty / console handling cleanups.  The patchfile itself has a long
> 	description. 

I like this one, but it's big and I'm going to have to take a good look at it.
I'm somewhat unhappy about the command line change, where you need to specify
a console or UML doesn't boot.  That'll break everyone's scripts.  Is it 
possible to provide a default console if there isn't one on the command line?

> What is the status of the amd64 port?  The 2.6.4 patch on sf.net
> produces lots of rejects when I try to apply it on top of the 2.6.7
> uml patch.  Is a newer version available somewhere?  Or can I just
> ignore all the rejects (guess not)? 

It's stuck on 2.6.4 for now.  I'm going to get it caught up, but haven't
decided when yet.

				Jeff



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