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Re: NetBSD DomU (PV) hangs on Xen 4.13.1 / NetBSD 9.1
Hi Cherry,
Am 22.12.2020 um 11:46 schrieb Mathew Cherry G.:
Can you also hit the '+' key five times on the domU console - it should
break into the kernel debugger.
Nice! Please see the output below.
Kind regards
Matthias
[ 88.6700349] fatal breakpoint trap in supervisor mode
[ 88.6700349] trap type 1 code 0 rip 0xffffffff802058ad cs 0xe030
rflags 0x202 cr2 0 ilevel 0x8 rsp 0xffffc082e7d3ec10
[ 88.6700349] curlwp 0xffffc0801d174040 pid 0.2 lowest kstack
0xffffc082e7d3b2c0
Stopped in pid 0.2 (system) at netbsd:breakpoint+0x5: leave
breakpoint() at netbsd:breakpoint+0x5
xencons_tty_input() at netbsd:xencons_tty_input+0xb2
xencons_handler() at netbsd:xencons_handler+0x7c
xen_intr_biglock_wrapper() at netbsd:xen_intr_biglock_wrapper+0x1d
evtchn_do_event() at netbsd:evtchn_do_event+0xe8
do_hypervisor_callback() at netbsd:do_hypervisor_callback+0x161
Xhypervisor_pvhvm_callback() at netbsd:Xhypervisor_pvhvm_callback+0xa0
idle_loop() at netbsd:idle_loop+0xb6
ds 80
es 9620
fs 4040
gs ec60
rdi 2b
rsi ffffffff828a9004
rbp ffffc082e7d3ec10
rbx ffffffff828a9004
rdx 2b
rcx 7f
rax 1
r8 ffffffff80642780 cpu_info_primary
r9 32
r10 0
r11 246
r12 ffffc0802028d100
r13 ffffc0802026b1b0
r14 ffffffff828a9005
r15 1
rip ffffffff802058ad breakpoint+0x5
cs e030
rflags 202
rsp ffffc082e7d3ec10
ss e02b
netbsd:breakpoint+0x5: leave
db{0}> bt
breakpoint() at netbsd:breakpoint+0x5
xencons_tty_input() at netbsd:xencons_tty_input+0xb2
xencons_handler() at netbsd:xencons_handler+0x7c
xen_intr_biglock_wrapper() at netbsd:xen_intr_biglock_wrapper+0x1d
evtchn_do_event() at netbsd:evtchn_do_event+0xe8
do_hypervisor_callback() at netbsd:do_hypervisor_callback+0x161
Xhypervisor_pvhvm_callback() at netbsd:Xhypervisor_pvhvm_callback+0xa0
idle_loop() at netbsd:idle_loop+0xb6
db{0}> ps
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
1 1 3 6 0 ffffc08020d6b920 init lbolt
0 91 3 7 200 ffffc08020d7f0c0 npfgc0 npfgcw
0 90 3 7 200 ffffc08020d6b4e0 rt_free rt_free
0 89 3 7 200 ffffc08020d6b0a0 unpgc unpgc
0 88 3 7 200 ffffc08020d68900 key_timehandler
key_timehandler
0 87 3 7 200 ffffc08020d684c0 icmp6_wqinput/7
icmp6_wqinput
0 86 3 6 200 ffffc08020d68080 icmp6_wqinput/6
icmp6_wqinput
0 85 3 5 200 ffffc08020d678e0 icmp6_wqinput/5
icmp6_wqinput
0 84 3 4 200 ffffc08020d674a0 icmp6_wqinput/4
icmp6_wqinput
0 83 3 3 200 ffffc08020d67060 icmp6_wqinput/3
icmp6_wqinput
0 82 3 2 200 ffffc08020d638c0 icmp6_wqinput/2
icmp6_wqinput
0 81 3 1 200 ffffc08020d63480 icmp6_wqinput/1
icmp6_wqinput
0 80 3 0 200 ffffc0802028b6c0 icmp6_wqinput/0
icmp6_wqinput
0 79 3 7 200 ffffc08020294b40 xen_balloon xen_balloon
0 78 3 7 200 ffffc08020d63040 nd6_timer nd6_timer
0 77 3 7 200 ffffc08020d2cbc0 icmp_wqinput/7
icmp_wqinput
0 76 3 6 200 ffffc08020d2c780 icmp_wqinput/6
icmp_wqinput
0 75 3 5 200 ffffc08020d2c340 icmp_wqinput/5
icmp_wqinput
0 74 3 4 200 ffffc08020d05ba0 icmp_wqinput/4
icmp_wqinput
0 73 3 3 200 ffffc08020d05760 icmp_wqinput/3
icmp_wqinput
0 72 3 2 200 ffffc08020d05320 icmp_wqinput/2
icmp_wqinput
0 71 3 1 200 ffffc08020ce9b80 icmp_wqinput/1
icmp_wqinput
0 70 3 0 200 ffffc08020ce9740 icmp_wqinput/0
icmp_wqinput
0 69 3 7 200 ffffc08020ce9300 rt_timer rt_timer
0 68 3 0 200 ffffc080202952e0 vmem_rehash vmem_rehash
0 67 3 0 200 ffffc08020295b60 xenbus rdst
0 66 3 0 200 ffffc08020295720 xenwatch evtsq
0 56 3 7 200 ffffc0802028b280 xcall/7 xcall
0 55 1 7 200 ffffc0802028aae0 softser/7
0 54 1 7 200 ffffc0802028a6a0 softclk/7
0 53 1 7 200 ffffc0802028a260 softbio/7
0 52 1 7 200 ffffc08020287ac0 softnet/7
0 > 51 7 7 201 ffffc08020287680 idle/7
0 50 3 6 200 ffffc08020287240 xcall/6 xcall
0 49 1 6 200 ffffc08020286aa0 softser/6
0 48 1 6 200 ffffc08020286660 softclk/6
0 47 1 6 200 ffffc08020286220 softbio/6
0 46 1 6 200 ffffc08020282a80 softnet/6
0 > 45 7 6 201 ffffc08020282640 idle/6
0 44 3 5 200 ffffc08020282200 xcall/5 xcall
0 43 1 5 200 ffffc08020281a60 softser/5
0 42 1 5 200 ffffc08020281620 softclk/5
0 41 1 5 200 ffffc080202811e0 softbio/5
0 40 1 5 200 ffffc0802027da40 softnet/5
0 > 39 7 5 201 ffffc0802027d600 idle/5
0 38 3 4 200 ffffc0802027d1c0 xcall/4 xcall
0 37 1 4 200 ffffc0802027ca20 softser/4
0 36 1 4 200 ffffc0802027c5e0 softclk/4
0 35 1 4 200 ffffc0802027c1a0 softbio/4
0 34 1 4 200 ffffc08020279a00 softnet/4
0 > 33 7 4 201 ffffc080202795c0 idle/4
0 32 3 3 200 ffffc08020279180 xcall/3 xcall
0 31 1 3 200 ffffc080202789e0 softser/3
0 30 1 3 200 ffffc080202785a0 softclk/3
0 29 1 3 200 ffffc08020278160 softbio/3
0 28 1 3 200 ffffc080202759c0 softnet/3
0 > 27 7 3 201 ffffc08020275580 idle/3
0 26 3 2 200 ffffc08020275140 xcall/2 xcall
0 25 1 2 200 ffffc080202749a0 softser/2
0 24 1 2 200 ffffc08020274560 softclk/2
0 23 1 2 200 ffffc08020274120 softbio/2
0 22 1 2 200 ffffc08020271980 softnet/2
0 > 21 7 2 201 ffffc08020271540 idle/2
0 20 3 1 200 ffffc08020271100 xcall/1 xcall
0 19 1 1 200 ffffc08020270960 softser/1
0 18 1 1 200 ffffc08020270520 softclk/1
0 17 1 1 200 ffffc080202700e0 softbio/1
0 16 1 1 200 ffffc0802025f940 softnet/1
0 > 15 7 1 201 ffffc0802025f500 idle/1
0 14 3 0 200 ffffc0802025f0c0 pmfsuspend pmfsuspend
0 13 3 0 200 ffffc08020259920 pmfevent pmfevent
0 12 3 0 200 ffffc080202594e0 sopendfree sopendfr
0 11 3 0 200 ffffc080202590a0 nfssilly nfssilly
0 10 3 0 200 ffffc0801d181900 cachegc cachegc
0 9 3 0 200 ffffc0801d1814c0 vdrain vdrain
0 8 3 0 200 ffffc0801d181080 modunload mod_unld
0 7 3 0 200 ffffc0801d1778e0 xcall/0 xcall
0 6 1 0 200 ffffc0801d1774a0 softser/0
0 5 1 0 200 ffffc0801d177060 softclk/0
0 4 1 0 200 ffffc0801d1748c0 softbio/0
0 3 1 0 200 ffffc0801d174480 softnet/0
0 > 2 7 0 201 ffffc0801d174040 idle/0
0 1 3 7 200 ffffffff8065d8c0 swapper cfgmisc
db{0}>
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