5.1-CURRENT hangs on disk i/o? sysctl_old_user() non-sleepable locks

[Chris Shenton]

Don Lewis <truckman at FreeBSD.org> writes:

> Try the very untested patch below ...

> RCS file: /home/ncvs/src/sys/kern/uipc_syscalls.c,v

When I do the patch, how much of the OS do I need to rebuild, just do
a "make install" in the ".../src/sys/kern" dir?  Rebuild the OS from
the top dir? Rebuild the kernel?  I want to make sure I'm giving this
a proper test.

Thanks.