From: "Armin M. Warda" <Armin.Warda@ePost.De>
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Subject: [uml-devel] UML fills /tmp irreversibly (2.6.9-bb4 on SuSE 9.2)
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Date: Tue, 14 Dec 2004 09:58:52 +0100

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  Hi,

running UML 2.6.9-bb4 on SuSE Professional 9.2 with host kernel SuSE=20
2.6.8-24.5 (with SKAS) I notice the strange effect, that /tmp keeps=20
filling irreversibly.

/tmp space is not only consumed as long as UMLs are running (as seen=20
with "lsof|grep deleted"), /tmp space is _not_released_ when the UMLs=20
are gone. When all UMLs are gone "lsof|grep deleted" returns nothing,=20
but "df /tmp" still shows the allocations. In this situation attempts=20
to umount (or remount ro) the /tmp fail, even in single user mode.

The only way to recover from such a /tmp full situation is to reboot=20
the host (then unmount of /tmp and the rootfs fail during shutdown,=20
which causes fscks at the reboot...)

I tried out different filesystem types for /tmp: reiserfs 3.6, ext3=20
and tmpfs, no difference.

Anybody seen such behaviour before?

I suppose this must be a bug of the _host_ kernel, not of the UML=20
kernel. Do you agree?

  Armin.

=2D-=20
   --- May the Source be with you! Linux. ---
   --- secure eMail: http://www.gnupg.de/ ---

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