On Friday 27 February 2009 20:51:41 Colin Watson wrote: > Having reviewed the whole bug, I have to say that this all seems like an > order of magnitude more work than is really required. The suggested > approaches involve lots of complex interface definition, strict ordering > constraints, and the need to warn users when they violate constraints. > Why not make it all simpler instead? Simpler systems with fewer > constraints tend to be more robust. > > There is precedent in Ubuntu for moving libraries and programs to the > root filesystem when it is necessary to deal properly with hardware > activation, whether that be hard ordering constraints (such as fuse and > ntfs-3g being needed early on in some environments) or cases such as > this where jobs could in principle be reordered to work in most cases > but it's really much simpler to decouple things. I think the proper fix > for this bug is to move the various libraries needed by wpasupplicant to > the root filesystem, and to ensure that wpasupplicant can operate with > only /var/lock/ and /var/run/ writable, as is the case in the early > stages of the Ubuntu boot process. /var/lock/ and /var/run/ are mounted > as temporary filesystems precisely so that programs can run early, > without having to arrange to have themselves deferred until a later > time. It is obviously simpler not to need to defer execution. >
Yeah, makes sense. > While I'm sympathetic to the goal of a small root filesystem, it should > take second place to a correct and reliable boot process. This proposed > change would increase the size of the root filesystem by perhaps 2MB, > which I think we can live with. And, of course, as has already been > observed it's a bug for programs in the root filesystem to link to > libraries in /usr, which wpasupplicant already does; it's often > reasonable to fix this by changing the libraries. > > The only extra complexity I have found here so far is that wpasupplicant > expects to be able to write to log files in /var/log/. This is perhaps > not absolutely critical to fixing this bug but it would obviously be > desirable to fix it. Any ideas? One simple approach would be to move it > to syslog with an appropriate facility, priority, and prefix; I don't > know whether the wpasupplicant maintainers would find this acceptable. > syslog debug output was just committed upstream development branch [0] fwiw. Thanks, Kel. [0] http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff;h=daa70d49de46278cf5a92b279d1d262af573cb63 -- wpasupplicant doesn't start when the network start https://bugs.launchpad.net/bugs/44194 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs