SOLO SÉ ESPAÑOL (Only Spanisch) > Date: Tue, 25 Jan 2011 18:47:53 +0000 > From: [email protected] > To: [email protected] > Subject: RE: [Bug 607117] Re: dnspython-1.7* uses /dev/random which might > block on lucid > > > Perdón, NO entiendo nada del idioma INGLES y por ésta causa no sé de que va > este correo, lo siento mucho. > > > Date: Tue, 25 Jan 2011 10:12:35 +0000 > > From: [email protected] > > To: [email protected] > > Subject: [Bug 607117] Re: dnspython-1.7* uses /dev/random which might block > > on lucid > > > > The patch works for me, tested on two different lucid machines. > > > > greetings, Mati > > > > -- > > You received this bug notification because you are subscribed to Ubuntu > > ubuntu-10.04.2. > > https://bugs.launchpad.net/bugs/607117 > > > > Title: > > dnspython-1.7* uses /dev/random which might block on lucid > > > > Status in The Trac Project: > > New > > Status in “dnspython” package in Ubuntu: > > Fix Released > > Status in “dnspython” source package in Lucid: > > Fix Committed > > > > Bug description: > > The python-dnspython package (most specifically, dns/resolver.py at > > line 25-29) uses /dev/random to get random data. I observed that this > > blocks on /some/ machines that have Ubuntu 10.04 installed. It does > > not seem to happen on older versions. This causes the import of > > dns.entropy to block most of the time (but not always). > > > > The solution is to use /dev/urandom instead. Two possible ways to solve > > this problem: > > 1. Provide a 1.8.0 package in the main repositories - it seems to have > > the bug fixed and is a maintenance release according to the homepage > > 2. replace '/dev/random' with '/dev/urandom' in entropy.py, line 25. I > > tested this solution and it no longer causes the import to block. > > > > TEST CASE: > > > > It seems as if the problem does not occur on *all*, but only *most* > > systems running lucid - presumably systems with not to much entropy, > > like servers. On affected systems, the command > > > > python -c "from dns import entropy" > > > > hangs. After applying the above patch, the system no longer hangs. > > > > > > -- > You received this bug notification because you are subscribed to Ubuntu > ubuntu-10.04.2. > https://bugs.launchpad.net/bugs/607117 > > Title: > dnspython-1.7* uses /dev/random which might block on lucid > > Status in The Trac Project: > New > Status in “dnspython” package in Ubuntu: > Fix Released > Status in “dnspython” source package in Lucid: > Fix Released > > Bug description: > The python-dnspython package (most specifically, dns/resolver.py at > line 25-29) uses /dev/random to get random data. I observed that this > blocks on /some/ machines that have Ubuntu 10.04 installed. It does > not seem to happen on older versions. This causes the import of > dns.entropy to block most of the time (but not always). > > The solution is to use /dev/urandom instead. Two possible ways to solve > this problem: > 1. Provide a 1.8.0 package in the main repositories - it seems to have the > bug fixed and is a maintenance release according to the homepage > 2. replace '/dev/random' with '/dev/urandom' in entropy.py, line 25. I > tested this solution and it no longer causes the import to block. > > TEST CASE: > > It seems as if the problem does not occur on *all*, but only *most* > systems running lucid - presumably systems with not to much entropy, > like servers. On affected systems, the command > > python -c "from dns import entropy" > > hangs. After applying the above patch, the system no longer hangs. > >
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/607117 Title: dnspython-1.7* uses /dev/random which might block on lucid -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
