Unmount resources mounted by dracut (#818581)
Ack for rhel7-alpha2-branch
On Wed, May 23, 2012 at 03:26:02PM +0200, Radek Vykydal wrote:
> Otherwise it hangs when systemd is trying to umount them
> (Device or resource busy). See also comment in the patch.
> Umount lazily for nfs mounts.
>
> A bit of history for reference:
> commit a1c759a9524e00356fc952193bb2795dc9c54a18
> commit 8f537d923bf833b1d57504e8e3058535b347fa2f
> commit 37144b9e86e801074fa4ae4656da458fe83f6e07
> commit 93d177b0643a5488b8aa8777e43d4f3c4d57c51d
> ... and now adapt it for systemd.
>
> Corresponding f17 bug: #824191
> ---
> pyanaconda/yuminstall.py | 13 +++++++++++++
> 1 files changed, 13 insertions(+), 0 deletions(-)
>
> diff --git a/pyanaconda/yuminstall.py b/pyanaconda/yuminstall.py
> index 0ca534b..9d865a4 100644
> --- a/pyanaconda/yuminstall.py
> +++ b/pyanaconda/yuminstall.py
> @@ -1228,6 +1228,19 @@ reposdir=/etc/anaconda.repos.d,/tmp/updates/anaconda.repos.d,/tmp/product/anacon
> if not anaconda.mediaDevice and os.path.ismount(self.ayum.tree):
> isys.umount(self.ayum.tree)
>
> + # bug #818581 - mounts from dracut would make systemd hang
> + # in reboot (Device or resource ebusy) when trying to umount
> + # them (after NM is stopped)
> + # - for repo=nfs: dracut nfs mounts /run/install/repo
> + # - for repo=nfsiso: dracut nfs mounts /run/install/isodir
> + # and iso mounts /run/install/repo
> + dracut_mounts = ["/run/install/repo", "/run/install/isodir"]
> + for mp in dracut_mounts:
> + if os.path.ismount(mp):
> + log.info("unmounting mount by dracut (lazily) %s" % mp)
> + iutil.execWithRedirect("umount", ["-l", mp],
> + stdout="/dev/tty5", stderr="/dev/tty5")
> +
> # clean up rpmdb locks so that kickstart %post scripts aren't
> # unhappy (#496961)
> iutil.resetRpmDb()
> --
> 1.7.4
>
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--
David Cantrell <dcantrell@redhat.com>
Supervisor, Installer Engineering Team
Red Hat, Inc. | Westford, MA | EST5EDT
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