A bit sad responding to myself... Anyway,works fine.crashes,in case someone else is hit by this - on a very standard ThinkPad T61p.Chavdar IvanovOn Mon, 9 Oct 2017 at 11:43 Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:The same happens with the kernel built some hour ago. The last kernel I am running on the T61p is from 05/10/2017.I just tested https://nycdn.netbsd.org/pub/NetBSD-daily/HEAD/201710081900Z/amd64/binary/kernel/netbsd-GENERIC.gz with exactly the same result. There have been quite a few recent changes in wd/ata areas and apparently the fallout hasn't been cleared yet.As I mentioned earlier, dump is not created.Chavdar IvanovOn Sun, 8 Oct 2017 at 15:17 Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:I tried the same kernel on a VirtualBox guest - it doesn't crash, but one gets endlesspiixide0:1:0: lost interrupttype: atapi tc_bcount: 0 tc_skip: 0stream of messages. Also /etc/rc.d/swap2 start hangs while trying to add /dev/cd0a as a dump device... as shown by ktruss.Weird.ChavdarOn Sun, 8 Oct 2017 at 11:55 Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:System updated about two hours ago. I am getting:....wd0 at atabus0 drive 0wd0: <Hitachi HTS725032A9A364>wd0: drive supports 16-sector PIO transfers, LBA48 addressingwd0: 298 GB, 620181 cyl, 16 head, 63 sec, 512 bytes/sect x 625142448 sectorspiixide0:0:0: bad state 0 in wdc_ata_bio_intrpanic: wdc_ata_bio_intr: bad statefatal breakpoint trap in supervisor modetrap type 1 code 0 rip 0xffffffff8021c0c5 cs 0x8 rflags 0x246 cr2 0 ilevel 0x8 rsp 0xffffe40040003c38curlwp 0xffffe4013bb27840 pid 0.2 lowest kstack 0xffffe400400002c0Stopped at pid 0.2 (system) at netbsd:breakpoint+0x5: leavedb{0}> btbreakpoint() at netbsd:breakpoint+0x5vpanic() at netbsd:vpanic+0x140snprintf() at netbsd:snprintfwdc_ata_bio_poll() at netbsd:wdc_ata_bio_pollintr_biglock_wrapper() at netbsd:intr_biglock_wrapper+0x1dXintr_ioapic_edge10() at netbsd:Xintr_ioapic_edge10+0xee--- interrupt ---x86_mwait() at netbsd:x86_mwait+0xdacpicpu_cstate_idel_enter() at netbsd:acpicpu_cstate_idle_enter+0xdbacpicpu_cstate_idle() at netbsd:acpicpu_cstate_idle+0xb6idle_loop() at netbsd:idle_loop+0x18cdb{0}>....(that is on my usual ThinkPad T61p).Couldn't get a crash dump.Chavdar Ivanov