On Fri, Jan 29, 2016 at 04:05:31PM -0700, Ross Zwisler wrote: > Today I was trying to get real-time devices working with XFS, and both a > manual pwrite() to a real-time device and xfs_rtcp end up with a lockdep spat > followed by a kernel BUG. This behavior is consistent between kernel versions > v4.4 and v4.5-rc1. I initially found this using some pmem block devices, but > it also happens with BRD. This also happens with an mmap on the real-time file followed by a write. Essentially I think that any path that tries to allocate a block for the real time file his this same BUG. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs