Re: FS corruption because of bufio_cache pool depletion?

2010-01-27 Thread David Holland
On Tue, Jan 26, 2010 at 07:39:00PM +0100, Manuel Bouyer wrote: I have a netbsd-3/Xen 2 based server that runs on the same hardware and we have seen FS corruption in a particular domU on that system taqt seems to be related to the file system running out of space. That's what the

Re: blocksizes

2010-01-27 Thread David Holland
On Mon, Jan 25, 2010 at 08:06:11AM +, Michael van Elst wrote: C hoosing code architectures 'Redesigning' things to fix bugs seems to be common sense nowadays, as if everything existing is always too bad to be used. Of course the same is valid for the redesigned code base in

Re: mutexes, IPL, tty locking

2010-01-27 Thread David Holland
On Tue, Jan 26, 2010 at 10:39:23AM +, Andrew Doran wrote: I'm not sure it's as rare as all that; it just mostly doesn't overtly fail. Instead you end up silently running at a higher IPL than necessary, and that buys you longer interrupt latencies and more dropped packets and all

Re: blocksizes

2010-01-27 Thread Michael van Elst
On Thu, Jan 28, 2010 at 04:15:34AM +, David Holland wrote: But as you may have noticed, I'm not advocating going back to using random mixtures of block sizes. Well, people are advocating different incompatible ways. It works fine for 16 years now. ...that is, it works except when