From: Nathan Lynch <ntl-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
To: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: Linux Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
Subject: Re: ckpt-v20-dev, ckpt-v21-rc1
Date: Thu, 01 Apr 2010 13:54:55 -0500 [thread overview]
Message-ID: <1270148095.2461.14.camel@localhost> (raw)
In-Reply-To: <1270145376.2461.12.camel@localhost>
On Thu, 2010-04-01 at 13:09 -0500, Nathan Lynch wrote:
> On Thu, 2010-04-01 at 09:17 -0500, Serge E. Hallyn wrote:
> > Alas after I sent this Nathan reported trouble on x86. I haven't
> > gotten a x86-32 partition running yet so can't reproduce. Does
> > anyone else have x86-32 with f12 they can test on?
>
> More detail on this. Seeing programs crash after restart on an i386 KVM
> guest with Fedora 12 userspace, e.g.
>
> bash-simple.sh[3627] general protection ip:b76d8197 sp:bfe73904 error:0
> in libc-2.11.1.so[b760e000+16f000]
>
> kernel: ckpt-v21-rc1 (v2.6.33-108-g9f4401c)
>
> user-cr: ckpt-v20 ( 70a5c7630ce8dd933e60174aba6dc5cb08ea4b41) with
> CHECKPOINT_NONETNS flag added to checkpoint calls
Confirmed that behavior is the same with user-cr ckpt-v20-dev
(7bd883e17f25d36d66f9b550194c445df2f63e7e).
>
> cr_tests: master (7bd883e17f25d36d66f9b550194c445df2f63e7e) with
> CHECKPOINT_NONETNS flag added to simple/ckpt.c.
>
> The "simple" (self-checkpoint) testcase restarts successfully without
> crashing. Everything else seems to get crashes as above. As far as I
> can tell the memory map is restored correctly and from the kernel's POV
> the restart is successful.
>
> FWIW, I don't see these crashes on another KVM guest where the only
> difference is that it is x86_64.
next prev parent reply other threads:[~2010-04-01 18:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-30 6:26 ckpt-v20-dev, ckpt-v21-rc1 Oren Laadan
[not found] ` <4BB1997B.1010901-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2010-03-30 20:56 ` Serge E. Hallyn
2010-03-31 17:33 ` Serge E. Hallyn
[not found] ` <20100331173339.GA19371-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-04-01 5:31 ` Oren Laadan
[not found] ` <4BB42FBB.8030206-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2010-04-01 14:17 ` Serge E. Hallyn
[not found] ` <20100401141740.GB22648-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-04-01 18:09 ` Nathan Lynch
2010-04-01 18:54 ` Nathan Lynch [this message]
2010-04-01 19:10 ` Serge E. Hallyn
[not found] ` <20100401191001.GA8882-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-04-01 20:57 ` Nathan Lynch
2010-04-01 21:15 ` Matt Helsley
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