Bug#922915: initscripts: Please do not enable tmpfs-based shm on Hurd

[Samuel Thibault]

Dmitry Bogatov, le sam. 23 févr. 2019 20:07:42 +0000, a ecrit:
> [2019-02-21 21:33] Samuel Thibault <sthibault at debian.org>
> > Hello,
> >
> > Please do not enable tmpfs-based shm by default on the Hurd yet, the
> > tmpfs implementation is not ready for that yet and triggers runtime
> > issues.
> >
> > The attached patch makes the default per-kernel, could you apply it?
> 
> Well, yes; but I'd like not to keep it indefinitely. Please add comment
> with apporiate number of hurd bug.

Here it is.

Samuel
-------------- next part --------------
---
 debian/src/initscripts/lib/init/tmpfs.sh |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/debian/src/initscripts/lib/init/tmpfs.sh
+++ b/debian/src/initscripts/lib/init/tmpfs.sh
@@ -85,8 +85,17 @@ need_overflow_tmp ()
 # values here.
 
 RAMLOCK=yes
+KERNEL="$(uname -s)"
 # These might be overridden by /etc/default/rcS
-if [ -z "$RAMSHM" ]; then RAMSHM=yes; fi
+case "$KERNEL" in
+	GNU)
+		# tmpfs can not be used for shm yet, see #923078
+		if [ -z "$RAMSHM" ]; then RAMSHM=no; fi
+		;;
+	*)
+		if [ -z "$RAMSHM" ]; then RAMSHM=yes; fi
+		;;
+esac
 if [ -z "$RAMTMP" ]; then RAMTMP=no; fi
 
 TMPFS_SIZE=20%VM