On 06.09.2013 11:06, Jeremie Le Hen wrote: > On Fri, Sep 06, 2013 at 12:46:27AM +0200, Olivier Cochard-Labbé wrote: >> On Thu, Sep 5, 2013 at 11:38 PM, Alexander Motin <mav_at_freebsd.org> wrote: >>> I've found and fixed possible double request completion, that could cause >>> such symptoms if happened. Updated patch located as usual: >>> http://people.freebsd.org/~mav/camlock_patches/camlock_20130905.patch >>> > With this new one I cannot boot any more (I also updated the source > tree). This is a hand transcripted version: > > Trying to mount root from zfs:zroot/root []... > panic: Batch flag already set > cpuid = 1 > KDB: stack backtrace: > db_trace_self_wrapper() > kdb_backtrace() > vpanic() > kassert_panic() > xpt_batch_start() > ata_interrupt() > softclock_call_cc() > softclock() > ithread_loop() > fork_exit() > fork_trampoline() Thank you for the report. I see my fault. It is probably specific to ata(4) driver only. I've workarounded that in new patch version, but probably that area needs some rethinking. http://people.freebsd.org/~mav/camlock_patches/camlock_20130906.patch -- Alexander MotinReceived on Fri Sep 06 2013 - 06:29:18 UTC
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