bitbake: bitbake-worker: Add debug when unpickle fails

We occasionally see bitbake-worker failing and from the logs, an unpickle error
occurs. Add more debug so we can further debug this next time it fails.

[YOCTO #14595]

(Bitbake rev: 692fa35f4c23722f3179502cb965960cc230e709)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit fe8105cc06beca8240b76ea366a1eff5aa9c5412)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/bitbake/bin/bitbake-worker b/bitbake/bin/bitbake-worker
index 6a12e1fed2..7fde688764 100755
--- a/bitbake/bin/bitbake-worker
+++ b/bitbake/bin/bitbake-worker
@@ -417,7 +417,11 @@ class BitbakeWorker(object):
         if self.queue.startswith(b"<" + item + b">"):
             index = self.queue.find(b"</" + item + b">")
             while index != -1:
-                func(self.queue[(len(item) + 2):index])
+                try:
+                    func(self.queue[(len(item) + 2):index])
+                except pickle.UnpicklingError:
+                    workerlog_write("Unable to unpickle data: %s\n" % ":".join("{:02x}".format(c) for c in self.queue))
+                    raise
                 self.queue = self.queue[(index + len(item) + 3):]
                 index = self.queue.find(b"</" + item + b">")