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From: Michael Richardson <mcr@sandelman.ottawa.on.ca>
To: Jeff Dike <jdike@addtoit.com>
Cc: user-mode-linux-devel@lists.sourceforge.net, hugh@mimosa.com,
	Matt Zimmerman <mdz@debian.org>
Subject: Re: [uml-devel] unkillable UML threads
Date: Mon, 06 Oct 2003 21:09:05 -0400	[thread overview]
Message-ID: <3387.1065488945@marajade.sandelman.ottawa.on.ca> (raw)
In-Reply-To: Your message of "Mon, 06 Oct 2003 17:18:54 EDT." <200310062119.h96LIsGj020742@ccure.karaya.com>

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>>>>> "Jeff" == Jeff Dike <jdike@addtoit.com> writes:
    Jeff> mcr@sandelman.ottawa.on.ca said:
    >> FYI: This is without the skas patch, with a stock RH9 kernel on the
    >> host.
    >> 
    >> Any thoughts or coroboration would be appreciated. Clearly this is a
    >> bug in the RH9 kernel.

    Jeff> It could easily be a UML bug.  I do have code which continues

  Again, if any process becomes unkillable on *nix system, there is at
*least* a bug in the kernel. This should never be the case. 

  yes, there is likely also a bug in UML.

    Jeff> threads so that they die properly, but it seems not to be happening
    Jeff> here.  Can you tell me how to reproduce it?

  I don't have a formula. Hugh sees is pretty much at least once if not more
often in regression testing of FreeS/WAN. 

  Btw, I experience segment faults with 2.4.22-7 on a 2.4.20 host with skas
patch. Again, not trivially reproducible, but they do occur
frequently. Enough that since this is isn't RH9, I went back to 2.4.19-47,
which was pretty solid. I haven't tried things in between, but I could.

] Train travel features AC outlets with no take-off restrictions|  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian/notebook using, kernel hacking, security guy");  [

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  reply	other threads:[~2003-10-07  1:14 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-24 12:40 [uml-devel] unkillable UML threads Michael Richardson
2003-09-24 14:30 ` Matt Zimmerman
2003-09-25 14:40   ` Michael Richardson
2003-10-06 21:18 ` Jeff Dike
2003-10-07  1:09   ` Michael Richardson [this message]
2003-10-07  3:20     ` Jeff Dike
2003-10-07 23:39       ` Michael Richardson
2003-10-11  4:15   ` Matt Zimmerman
2003-10-16 20:15     ` Jan Hudec
2003-10-16 20:32       ` Matt Zimmerman

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