X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6a9804cbbc7e73a3ccea577150374322218c3fd7..8d47832e4637a40710838b9f4dc3353b58a28c93:/doc/install/crunch2/install-compute-node-singularity.html.textile.liquid

diff --git a/doc/install/crunch2/install-compute-node-singularity.html.textile.liquid b/doc/install/crunch2/install-compute-node-singularity.html.textile.liquid
index cb0e3c3a4c..9f1e6a8990 100644
--- a/doc/install/crunch2/install-compute-node-singularity.html.textile.liquid
+++ b/doc/install/crunch2/install-compute-node-singularity.html.textile.liquid
@@ -36,11 +36,13 @@ This page describes how to configure a compute node so that it can be used to ru
 
 h2(#singularity). Set up Singularity
 
-Follow the "Singularity installation instructions":https://sylabs.io/guides/3.7/user-guide/quick_start.html. Make sure @singularity@ and @mksquashfs@ are working:
+Follow the "Singularity installation instructions":https://sylabs.io/guides/latest/user-guide/quick_start.html. Note that while the latest stable version is normally expected to be compatible, Arvados is currently tested with singularity 3.10.4.
+
+Make sure @singularity@ and @mksquashfs@ are working:
 
 <notextile>
 <pre><code>$ <span class="userinput">singularity version</span>
-3.9.9
+singularity-ce version 3.10.4-dirty
 $ <span class="userinput">mksquashfs -version</span>
 mksquashfs version 4.4 (2019/08/29)
 [...]
@@ -56,20 +58,3 @@ Then update @Containers.RuntimeEngine@ in your cluster configuration:
 </notextile>
 
 {% include 'singularity_mksquashfs_configuration' %}
-
-h2(#singularity_loop_device_errors). Singularity loop device errors
-
-With singularity v3.9.1 and earlier, containers may fail intermittently at startup with an error message similar to the following in the container log's @stderr.txt@ (line breaks added):
-
-<notextile>
-<pre><code>FATAL:   container creation failed:
- mount /proc/self/fd/3->/usr/local/var/singularity/mnt/session/rootfs error:
- while mounting image /proc/self/fd/3:
- failed to find loop device:
- could not attach image file to loop device:
- failed to set loop flags on loop device:
- resource temporarily unavailable
-</code></pre>
-</notextile>
-
-This problem is addressed in singularity v3.9.2. For details, please see "Arvados issue #18489":https://dev.arvados.org/issues/18489 and "singularity PR #458":https://github.com/sylabs/singularity/pull/458.