I tried EFI for a change. Same panic there:
# time cp -R /mnt/BackupDisk/Tag.0/a/b/c/* /home/c
panic: kernel diagnostic assertin "(cmd & AHCI_PREG_CMD_CR) == 0"
failed: files "../../../../dev/ic/ahci.c", line 2513
wsdisplay_switch2: not switching
Stopped at Debugger+0x9: leave
TID PID UID PRFLAGS PFLAGS CPU COMMAND
Debugger() at Debugger+0x9
panic() at panic+0xfe
__assert() at __assert+0x25
ahci_port_read_ncp_error() at ahci_port_read_ncp_error+0x251
ahci_port_intr() at ahci_port_intr+0x73c
ahci_intr() at ahci_intr+0x5b
intr_handler() at intr_handler+0x67
Xintr_ioapic_edge23() at Xintr_ioapic_ewdsgdei2s3p+10axyc_9s
h-i-n-g tc
h-i-n-g interrupt --- tc
tacchp2i:c pnuo_ti dslwei(t)c haitn ga
dw 2
:c pnuo_ti dslwei_tccyhcilneg(
cle+0x10 y
end trace frame: 0x0, count: 5
ddb{0}> trace
Debugger() at Debugger+0x9
panic() at panic+0xfe
__assert() at __assert+0x25
ahci_port_read_ncp_error() at ahci_port_read_ncp_error+0x251
ahci_port_intr() at ahci_port_intr+0x73c
ahci_intr() at ahci_intr+0x5b
intr_handler() at intr_handler+0x67
Xintr_ioapic_edge23() at Xintr_ioapic_edge23+0xc9
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -10
ddb{0}> mach ddbcpu 1
Stopped at Debugger+0x9: leave
Debugger() at Debugger+0x9
x86_ipi_handler() at x86_ipi_handler+0x76
Xresume_lapic_ipi()at Xresume_lapic_ipi+0x1c
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: 10
ddb{1}> trace
Debugger() at Debugger+0x9
x86_ipi_handler() at x86_ipi_handler+0x76
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x1c
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -5
ddb{1}> mach ddbcpu 2
Stopped at Debugger+0x9: leave
Debugger() at Debugger+0x9
x86_ipi_handler() at x86_ipi_handler+0x76
Xresume_lapic_ipi()at Xresume_lapic_ipi+0x1c
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: 10
ddb{2}> trace
Debugger() at Debugger+0x9
x86_ipi_handler() at x86_ipi_handler+0x76
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x1c
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -5
ddb{2}> mach ddbcpu 3
Stopped at Debugger+0x9: leave
Debugger() at Debugger+0x9
x86_ipi_handler() at x86_ipi_handler+0x76
Xresume_lapic_ipi()at Xresume_lapic_ipi+0x1c
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: 10
ddb{3}> trace
Debugger() at Debugger+0x9
x86_ipi_handler() at x86_ipi_handler+0x76
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x1c
--- interrupt ---
acpicpu_idle() at acpicpu_idle+0x22d
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -5
ddb{3}> ps
TID PPID PGRP UID S FLAGS WAIT COMMAND
8960 15339 8960 0 3 0x3 bioait cp
16465 18320 16465 0 3 0x83 poll systat
26860 0 0 0 3 0x14200 bored srdis
22457 1 22457 0 3 0x100083 ttyin getty
10940 1 10940 0 3 0x100083 ttyin getty
30641 1 30641 0 3 0x100083 ttyin getty
18320 1 18320 0 3 0x10008b pause ksh
15339 1 15339 0 3 0x10008b pause ksh
2381 1 2381 0 3 0x100098 pool cron
14885 1 14885 99 3 0x100090 pool sndiod
25921 1 25921 110 3 0x100090 pool sndiod
19894 26249 26249 95 3 0x100090 kqread smtpd
19281 26249 26249 95 3 0x100090 kqread smtpd
10089 26249 26249 95 3 0x100090 kqread smtpd
25084 26249 26249 95 3 0x100090 kqread smtpd
24862 26249 26249 95 3 0x100090 kqread smtpd
15496 26249 26249 103 3 0x100090 kqread smtpd
26249 1 26249 0 3 0x100090 kqread smtpd
16966 1 16966 0 3 0x80 select sshd
22068 28619 22385 83 3 0x100090 poll ntpd
28619 22385 22385 83 3 0x100090 poll ntpd
22385 1 22385 0 3 0x100080 poll ntpd
9328 28932 28932 74 3 0x100090 bpf pflogd
28932 1 28932 0 3 0x80 netio pflogd
5510 9277 9277 73 3 0x100090 kqread syslogd
9277 1 9277 0 3 0x100080 netio syslogd
12989 1 12989 77 3 0x100090 poll dhclient
28690 1 28690 0 3 0x80 poll dhclient
23316 0 0 0 3 0x14200 pgzero zerothread
2296 0 0 0 3 0x14200 aiodoned aiodoned
19392 0 0 0 3 0x14200 syncer update
15028 0 0 0 3 0x14200 cleaner cleaner
22134 0 0 0 3 0x14200 reaper reaper
30214 0 0 0 3 0x14200 pgdaemon pagedaemon
9760 0 0 0 3 0x14200 bored crypto
17415 0 0 0 3 0x14200 pftm pfpurge
17608 0 0 0 3 0x14200 usbtsk usbtask
18351 0 0 0 3 0x14200 usbatsk usbatsk
13828 0 0 0 3 0x40014200 acpi0 acpi0
*21374 0 0 0 7 0x40014200 idle3
27919 0 0 0 7 0x40014200 idle2
31604 0 0 0 7 0x40014200 idle1
6953 0 0 0 3 0x14200 bored sensors
30218 0 0 0 2 0x14200 softnet
20520 0 0 0 3 0x14200 bored systqmp
22340 0 0 0 3 0x14200 bored systq
9345 0 0 0 7 0x40014200 idle0
26908 0 0 0 3 0x14200 bored sbar
1 0 1 0 3 0x82 wait init
0 -1 0 0 3 0x10200 scheduler swapper
ddb{3}> show uvm
Current UVM status:
pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12
4029029 VM pages: 4558 active, 493 inactive, 3 wired, 3918754 free
(496673 zero)
min 10% (25) anon, 10% (25) vnode, 5% (12) vtext
pages 0 anon, 0 vnode, 0 vtext
freemin=134300, free-target=179066, inactive-target=0, wired-max=1343009
faults=645902, traps=63109, intrs=378275, ctxswitch=616590 fpuswitch=85
softint=40395, syscalls=451620, kmapent=19
fauls counts:
noram=0, noanon=0, pgwait=0, pgrele=0
ok relocks(total)=2565(2565), anget(retries)=616798(0), amapcopy=27534
neighbor anon/obj pg=3096/25550, gets(lock/unlock)=11056/2565
cases: anon=610677, anoncow=6121, obj=9845, prcopy=1211, przero=18048
daemon and swap counts:
woke=0, revs=0, scans=0, obscans=0, anscans=0
busy=0, freed=0, reactivate=0, deactivate=0
pageouts=0, pending=0, nswget=0
nswapdev=1, nanon=0, nanonneeded=0 nfreeanon=0
swpages=4219390, swpginuse=0, swpgonly=0 paging=0
kernel pointers:
objs(kern)=0xffffffff818f88a0
ddb{3}> show bcstats
Current Buffer Cache status:
numbufs 6204 busymapped 11, delwri 454
kvaslots 6061 avail kva slots 6050
bufpages 96908, dirtypages 7252
pendingreads 0, pendingwrites 11
[demime 1.01d removed an attachment of type application/pkcs7-signature which
had a name of smime.p7s]
