I'm working on automatic data collection for bug reports. Part of this
involves writing a little command line tool so we can tell users "Hey
switch to tty2 and run this command to get everything we need", instead
of having to walk them through it.
I thought it'd be nice if we could generate an anacdump.txt on demand,
to help debug where anaconda's stuck but hasn't crashed. The attached
patch causes anaconda to write /tmp/anacdump.txt when SIGUSR2 is
received. It requires the stuff Peter just mailed.
I'm thinking it is probably better to do this via dbus, but that
involves making anaconda a dbus-aware thing (whatever that involves) and
seems like a battle for another day.
- Chris
diff --git a/anaconda b/anaconda
index 2731c43..34628a0 100755
--- a/anaconda
+++ b/anaconda
@@ -502,6 +502,12 @@ class Anaconda:
# *sigh* we still need to be able to write this out
self.xdriver = None
+ def dumpState(self):
+ from exception import AnacondaExceptionDump
+ # Skip the frames for isys.traceback, dumpState, and the signal handler.
+ exn = AnacondaExceptionDump(None, None, isys.traceback(2))
+ exn.write(anaconda)
+
def writeXdriver(self, instPath="/"):
# this should go away at some point, but until it does, we
# need to keep it around. it could go into instdata but this
@@ -588,7 +594,7 @@ if __name__ == "__main__":
# this handles setting up updates for pypackages to minimize the set needed
setupPythonUpdates()
- import signal, traceback, string, isys, iutil, time
+ import signal, string, isys, iutil, time
from exception import handleException
import dispatch
import warnings
@@ -611,6 +617,9 @@ if __name__ == "__main__":
signal.signal(signal.SIGINT, signal.SIG_DFL)
signal.signal(signal.SIGSEGV, isys.handleSegv)
+ # add our own additional signal handlers
+ signal.signal(signal.SIGUSR2, lambda signum, frame: anaconda.dumpState())
+
setupEnvironment()
# we need to do this really early so we make sure its done before rpm
diff --git a/exception.py b/exception.py
index b146315..4cc5983 100644
--- a/exception.py
+++ b/exception.py
@@ -63,7 +63,10 @@ class AnacondaExceptionDump:
lst.reverse()
lst.insert(0, "anaconda %s exception report\n" % os.getenv("ANACONDAVERSION"))
lst.insert(1, 'Traceback (most recent call first):\n')
- lst.extend(traceback.format_exception_only(self.type, self.value))
+
+ if self.type is not None and self.value is not None:
+ lst.extend(traceback.format_exception_only(self.type, self.value))
+
return joinfields(lst, "")
# Create a string representation of a class and write it to fd. This
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