On Sun, Aug 30, 2009 at 12:14:59AM +0200, Andreas Tobler wrote: > Kostik Belousov wrote: > >On Sat, Aug 29, 2009 at 11:45:22PM +0200, Andreas Tobler wrote: > >>Kostik Belousov wrote: > >> > >>>Please, try this. > >>> > >>>diff --git a/sys/vm/vm_glue.c b/sys/vm/vm_glue.c > >>>index 234cde9..b0e8d3c 100644 > >>>--- a/sys/vm/vm_glue.c > >>>+++ b/sys/vm/vm_glue.c > >>>_at__at_ -447,6 +447,8 _at__at_ vm_thread_dispose(struct thread *td) > >>> pages = td->td_kstack_pages; > >>> ksobj = td->td_kstack_obj; > >>> ks = td->td_kstack; > >>>+ td->td_kstack = 0; > >>>+ td->td_kstack_pages = 0; > >>> if (pages == KSTACK_PAGES && kstacks <= kstack_cache_size) { > >>> ks_ce = (struct kstack_cache_entry *)ks; > >>> ks_ce->ksobj = ksobj; > >>>_at__at_ -457,8 +459,6 _at__at_ vm_thread_dispose(struct thread *td) > >>> return; > >>> } > >>> vm_thread_stack_dispose(ksobj, ks, pages); > >>>- td->td_kstack = 0; > >>>- td->td_kstack_pages = 0; > >>>} > >>> > >>>static void > >>panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq) failed ... > >>sched_ule.c:1878 > >>cpuid = 1 > >>KDB: enter: panic > >>[thread pid 0 tid 100073 ] > >>Stopped at kdb_enter+0x3a: movl $0,kdb_why > >> > >>As you see I managed to reboot my zfs root ;) > > > >Fair enough. > > > >I reverted the change for now, HEAD must be kept in the working state, > >esp. during the release. > > > >My apologies for the breakage, r196648 should return the world > >to less broken state. > > > Np. Thank you for helping here! > > FreeBSD 9.0-CURRENT (TC) #3 r196648M: Sun Aug 30 00:02:14 CEST 2009 > > Boots again and the rev in the line above is back. The (hopefully) fixed version of the change is at http://people.freebsd.org/~kib/misc/altkstacks.3.patch
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