On Tue, Jan 13, 2026 at 04:08:34PM +0000, Andrew Turner wrote: > On 2026-01-13 14:03, Konstantin Belousov wrote: > > The branch main has been updated by kib: > > > > URL: > > https://cgit.FreeBSD.org/src/commit/?id=d160447129fe060b28bcd6ba429d17afdf494ff2 > > > > commit d160447129fe060b28bcd6ba429d17afdf494ff2 > > Author: Konstantin Belousov <[email protected]> > > AuthorDate: 2026-01-03 09:34:23 +0000 > > Commit: Konstantin Belousov <[email protected]> > > CommitDate: 2026-01-13 14:03:14 +0000 > > > > vm_object: remove the charge member > > I'm seeing the following panic with this change on boot. If I revert this > change the boot succeeds. > > Andrew > > panic: swap_reserved 0x218c5 < decr 0xffffffffed021 > cpuid = 99 > time = 7 > KDB: stack backtrace: > db_trace_self() at db_trace_self > db_trace_self_wrapper() at db_trace_self_wrapper+0x38 > vpanic() at vpanic+0x1a0 > panic() at panic+0x48 > swap_release_by_cred() at swap_release_by_cred+0xf0 > vm_map_entry_delete() at vm_map_entry_delete+0x124 > vm_map_delete() at vm_map_delete+0x16c > kern_munmap() at kern_munmap+0xb8 > do_el0_sync() at do_el0_sync+0x618 > handle_el0_sync() at handle_el0_sync+0x4c > --- exception, esr 0x56000000
Try this please. commit 870deef431f00f959e838261587b044a2913f414 Author: Konstantin Belousov <[email protected]> Date: Tue Jan 13 18:22:48 2026 +0200 vm_map_entry_delete(): fix the calculation of swap release Reported by: andrew Fixes: d160447129fe060b28bcd6ba429d17afdf494ff2 diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 04628f44a497..b8295bb2108d 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -3997,7 +3997,7 @@ vm_map_entry_delete(vm_map_t map, vm_map_entry_t entry) object->size = offidxstart; if (object->cred != NULL) { swap_release_by_cred(ptoa(oldsize - - ptoa(object->size)), object->cred); + object->size), object->cred); } } }
