On 2016-Feb-02 14:52:37 +0200, Konstantin Belousov <kostik...@gmail.com> wrote: >Please gather the information listed at >https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html
Interestingly, as soon as I enable INVARIANTS, my kernel will no longer boot. All the other options listed there are OK. The console output ends: TSC timecounter discards lower 1 bit(s) Timecounter "TSC-low" frequency 1150026690 Hz quality 800 hwpc_core: unknown PMC architecture: 0 hwpmc: SOFT/16/64/0x67<INT,USR,SYS,REA,WRI> init_KVMCLOCK_tc: 0x0000000b KVM-style paravirtualized clock detected. Timecounter "KVMCLOCK" frequency 1000000000 Hz quality 1000 WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. Trying to mount root from zfs:zroot []... <<hang>> Unfortunately, I don't have write access to the console so I can't do anything other than reboot at this point. (This is 10-stable/amd64 r295088). If I have some spare time, I'll try reproducing this in a local VBox over the next few days. -- Peter Jeremy
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