Re: [uml-devel] Re: UML fills /tmp irreversibly (2.6.9-bb4 on SuSE 9.2)

["Armin M. Warda" <Armin.Warda@gmx.de>]

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On Thursday 30 December 2004 17:14, Christopher S. Aker wrote:
> You need to run 2.6.10, 

That's supposed to be a 2.6.10 _Host_-Kernel? (Not 2.6.10 UM-Kernel?)

> as it doesn't exhibit the tmpfs filling up 
> problem like 2.6.9 variants do. 

Any chance to have a 2.6.10 SuSE Kernel soon? 

(As I use some non-GPL kernel modules - Atheros, Soft-Modem - that 
come with the SuSE kernels but are not in kernel.org's, I would 
prefer to stick with the SuSE-Kernel and not switch to the vanilla 
2.6.10 kernel. But if this would be the only possibility to solve 
this problem, I would indeed switch...)

> The tmpfs problem is also  
> compounded by the fact that UMLs without the fix-kill patch don't
> exit properly, but the 2.6.9-bb4 patchset has the fix for UML.

You say UM-Kernel 2.6.9-bb4 has that fix? (Yes, I am running 2.6.9-bb4 
UM-Kernels)

> For 2.4-um, you can find the fix-kill patch here:
> http://www.theshore.net/~caker/uml/patches/2.4.27-1um/
>
> -Chris
>
> On Dec 30, 2004, at 9:20 AM, Armin M. Warda wrote:
> >   Hi,
> >
> > just tried again with SuSE host kernel 2.6.8-24.10: same problem.
> >
> > (Is 2.6.8-24.10 a 2.6.8 with back-ported fixes from 2.6.10 ?)
> >
> >   Armin.
> >
> > On Thursday 16 December 2004 20:13, Paolo Giarrusso wrote:
> >> On Thursday 16 December 2004 19:36, Gerd Knorr wrote:
> >>>> Well, this matches some other reports of a different problem
> >>>> (impossible to unmount a fs used by UML) which probably
> >>>> relates to 2.6.9 host bugs.
> >>>>
> >>>> I'd suggest trying to reproduce the bug with a 2.6.8.1 +
> >>>> SKAS3-v7 patch, or checking what's different in the SuSE
> >>>> kernel from vanilla 2.6.8.1 (I'm particularly suspiscious
> >>>> about the TASK_TRACED introduction).
> >>>
> >>> The suse 2.6.8 kernel is actually 2.6.9-rc2, thus more close to
> >>> 2.6.9 than 2.6.8.  Especially it already has the TASK_TRACED
> >>> stuff and I've used the 2.6.9 version of the skas v7 patch
> >>>
> >>> (and also thats why I've
> >>> suggested to check against 2.6.9 not 2.6.8.1 vanilla to see if
> >>> the issue is still there).
> >>
> >> Remember that there was an invisible reference from died UMLs
> >> that kept the tmpfs from being unmounted (multiply reported, I
> >> experienced that too). Well, it the file is kept used, then it
> >> will keep using the tmpfs space. So nothing new....
> >
> > --
> >    --- May the Source be with you! Linux. ---
> >    --- secure eMail: http://www.gnupg.de/ ---
>
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