In init script, redirect core files to known writable directory in Xen

"Embedded" XenServers don't have a writable "/" directory.  For now
point cores to /var/log, which is known to be writable.

diff --git a/vswitchd/etc/init.d/vswitch b/vswitchd/etc/init.d/vswitch
index 7a4f7641679763f47eec05eff4ab4da87a77f0ae..65821e34497a2b7e9c0d0b712144cf9bf917ac02 100755 (executable)
--- a/vswitchd/etc/init.d/vswitch
+++ b/vswitchd/etc/init.d/vswitch
@@ -52,6 +52,7 @@ function start {
         action "Inserting brcompat module" insmod $VSWITCH_BASE/datapath/linux-2.6/brcompat_mod.ko
     fi
     ulimit -c unlimited   # Ensure core dump on crash. Will be in '/'.
+    echo "/var/log/%e-%t" > /proc/sys/kernel/core_pattern
     local syslog_opt="-vANY:SYSLOG:${SYSLOG_LOGLEVEL}"
     local logfile_file_opt=""
     local logfile_level_opt=""