On Dec 7, 2013, at 4:16 AM, Aleksej Saushev <a...@inbox.ru> wrote: > Hello, > > After updating to current I have problem that some processes get stuck > on layerfs wchan. <dholland> suggested that it may be have been fixed > recently, but after updating kernel to the source as of around > 2013-12-06 05:00:05 MSK I still have the problem: > > $ ps -axo pid,wchan,command | awk '$2 == "layerfs"' > 294 layerfs /usr/bin/find /mnt/packages -type l -name xkbcomp-1.2.4.tgz -prin > > This is part of serial (no MAKE_JOBS, not parallelised) bulk build, > the process runs in chroot environment and the configuration of file systems > is this: > > /dev/wd0a on / type ffs (log, local) > kernfs on /kern type kernfs (local) > ptyfs on /dev/pts type ptyfs (local) > procfs on /proc type procfs (local) > tmpfs on /tmp type tmpfs (local) > /usr/jail/pbulk-data/mnt on /usr/jail/pbulk/mnt type null (local) > ptyfs on /usr/jail/pbulk/dev/pts type ptyfs (local)
Could you drop to ddb and get the stack trace of this thread and threads in tstile? ps /l gives a thread list with "STRUCT LWP *" bt /a 0x???????? give a stack trace for this lwp -- J. Hannken-Illjes - hann...@eis.cs.tu-bs.de - TU Braunschweig (Germany)