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Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)



On Thu, 26 Nov 2015, Emile `iMil' Heitor wrote:

Again, as there's no log at all, what would help debugging this behaviour?

FWIW, some ddb output (ddb is triggered by hitting +++++ on domU's console):

fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff8012e5ad cs e030 rflags 202 cr2 7f7ff6c1e049
ilevel 8 rsp ffffa0051864cc58
curlwp 0xffffa00035538840 pid 0.2 lowest kstack 0xffffa0051864a2c0
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+0x65
intr_biglock_wrapper() at netbsd:intr_biglock_wrapper+0x19
evtchn_do_event() at netbsd:evtchn_do_event+0x281
do_hypervisor_callback() at netbsd:do_hypervisor_callback+0x143
hypervisor_callback() at netbsd:hypervisor_callback+0x9e
idle_loop() at netbsd:idle_loop+0xe8
ds          3c80
es          c780
fs          c040
gs          7524
rdi         ffffa0003a62b330
rsi         ffffffff8437d01f
rbp         ffffa0051864cc58
rbx         ffffffff8437d01f
rdx         2b
rcx         2b
rax         1
r8          0
r9          ffffffff805fc780    cpu_info_primary
r10         cdd9f51e239cbb87
r11         246
r12         ffffa0003d754c00
r13         ffffffff8437d020
r14         ffffa0003a62b330
r15         1
rip         ffffffff8012e5ad    breakpoint+0x5
cs          e030
rflags      202
rsp         ffffa0051864cc58
ss          e02b
netbsd:breakpoint+0x5:  leave
db{0}> ps
PID    LID S CPU     FLAGS       STRUCT LWP *               NAME WAIT
16259    1 3  13         0   ffffa0003f435080                awk netio
24269    1 3  14         0   ffffa0003f446a80                cat nfsrcv
23301    1 3  14        80   ffffa0003f3f8a60                 sh wait
11835    1 3  14        80   ffffa0003f40c0c0              bmake wait
9493     1 3  14        80   ffffa0003f26d4a0                 sh wait
4831     1 3  14        80   ffffa0003f42d320              bmake wait
28513    1 3  14        80   ffffa0003f3f09e0                 sh wait
6232     1 3  15        80   ffffa0003ed15ae0                 sh wait
1172     1 3  15        80   ffffa0003f083000              bmake wait
16544    1 3  15        80   ffffa0003f439500                 sh wait
18141    1 3  15        80   ffffa0003f430420                 sh wait
2349     1 3  15        80   ffffa0003f448280               bash wait
490      1 3   5        80   ffffa0003f447680               sshd select
2135     1 3   0        80   ffffa0003f445640               sshd select
2234     1 3   4        80   ffffa0003f2be580               bash ttyraw
381      1 3  12        80   ffffa0003f2be9a0               sshd select
382      1 3  13        80   ffffa0003e9cc680               sshd select
1868     1 3  15         0   ffffa0003dca59c0              getty nfsrcv
2354     1 3   5         0   ffffa0003ed51b00               cron nfsrcv
1675     1 3  11        80   ffffa0003edbd2e0              inetd kqueue
2105     1 3  12        80   ffffa0003ee0d720               nrpe select
2086     1 3  14   1000000   ffffa0003eca46a0               qmgr nfsrcv
2033     1 3  13         0   ffffa0003eca4ac0             pickup nfskqdet
2055     1 3   4         0   ffffa0003edbd700             master tstile
1640    13 5  11  10000000   ffffa0003efff740          python2.7
1640     9 3  11        80   ffffa0003ee0db40          python2.7 kqueue
1640     8 3  12        80   ffffa0003ed152a0          python2.7 kqueue
1640     1 3   9        80   ffffa0003e0f6240          python2.7 select
1555     1 3  13        80   ffffa0003e0f6660               sshd select
1407     1 3  13        80   ffffa0003dd15a20             powerd kqueue
892      1 3   2        80   ffffa0003e099640          rpc.lockd select
884      1 3  15        80   ffffa0003e099a60          rpc.statd select
686      1 3   7        80   ffffa0003dd151e0            rpcbind select
677      1 3   5         0   ffffa0003dd6fa40            syslogd nfsrcv
1        1 3   8        80   ffffa0003d75b100               init wait
0      131 3   3       200   ffffa0003d75d140          nfskqpoll nfsrcv
0      129 3   4       200   ffffa0003dc4e160           aiodoned aiodoned
0      128 3   7       200   ffffa0003dc4e580            ioflush syncer
0      127 3   0       200   ffffa0003dc4e9a0           pgdaemon pgdaemon
0      124 3  14       200   ffffa0003d75a920              nfsio nfsiod
0      123 3  13       200   ffffa0003d75a500              nfsio nfsiod
0      122 3   9       200   ffffa0003d75a0e0              nfsio nfsiod
0      121 3  15       200   ffffa0003d75b940              nfsio nfsiod
0      120 3   0       200   ffffa0003d75b520          cryptoret crypto_w
0      119 3   0       200   ffffa0003d7530c0              unpgc unpgc
0      118 3   0       200   ffffa0003d75c960        xen_balloon xen_balloon
0      117 3   9       200   ffffa0003d75c540        vmem_rehash vmem_rehash
0      116 3   0       200   ffffa0003d75d980             xenbus rdst
0      115 3   0       200   ffffa0003d75c120           xenwatch evtsq
0      105 3  15       200   ffffa0003d7534e0           xcall/15 xcall
0      104 1  15       200   ffffa0003d753900         softser/15
0      103 1  15       200   ffffa0003d7520a0         softclk/15
0      102 1  15       200   ffffa0003d7524c0         softbio/15
0      101 1  15       200   ffffa0003d7528e0         softnet/15
0    > 100 7  15       201   ffffa0003d74f080            idle/15
0       99 3  14       200   ffffa0003d74f4a0           xcall/14 xcall
0       98 1  14       200   ffffa0003d74f8c0         softser/14
0       97 1  14       200   ffffa0003d74e060         softclk/14
0       96 1  14       200   ffffa0003d74e480         softbio/14
0       95 1  14       200   ffffa0003d74e8a0         softnet/14
0    >  94 7  14       201   ffffa0003d74a040            idle/14
0       93 3  13       200   ffffa0003d74a460           xcall/13 xcall
0       92 1  13       200   ffffa0003d74a880         softser/13
0       91 1  13       200   ffffa0003d749020         softclk/13
0       90 1  13       200   ffffa0003d749440         softbio/13
0       89 1  13       200   ffffa0003d749860         softnet/13
0    >  88 7  13       201   ffffa0003d743000            idle/13
0       87 3  12       200   ffffa0003d743420           xcall/12 xcall
0       86 1  12       200   ffffa0003d743840         softser/12
0       85 1  12       200   ffffa0003d742360         softclk/12
0       84 1  12       200   ffffa0003d742780         softbio/12
0       83 1  12       200   ffffa0003d742ba0         softnet/12
0    >  82 7  12       201   ffffa0003d73f340            idle/12
0       81 3  11       200   ffffa0003d73f760           xcall/11 xcall
0       80 1  11       200   ffffa0003d73fb80         softser/11
0       79 1  11       200   ffffa0003d73e320         softclk/11
0       78 1  11       200   ffffa0003d73e740         softbio/11
0       77 1  11       200   ffffa0003d73eb60         softnet/11
0    >  76 7  11       201   ffffa0003a659300            idle/11
0       75 3  10       200   ffffa0003a659720           xcall/10 xcall
0       74 1  10       200   ffffa0003a659b40         softser/10
0       73 1  10       200   ffffa0003a6582e0         softclk/10
0       72 1  10       200   ffffa0003a658700         softbio/10
0       71 1  10       200   ffffa0003a658b20         softnet/10
0    >  70 7  10       201   ffffa0003a6552c0            idle/10
0       69 3   9       200   ffffa0003a6556e0            xcall/9 xcall
0       68 1   9       200   ffffa0003a655b00          softser/9
0       67 1   9       200   ffffa0003a6542a0          softclk/9
0       66 1   9       200   ffffa0003a6546c0          softbio/9
0       65 1   9       200   ffffa0003a654ae0          softnet/9
0    >  64 7   9       201   ffffa0003a651280             idle/9
0       63 3   8       200   ffffa0003a6516a0            xcall/8 xcall
0       62 1   8       200   ffffa0003a651ac0          softser/8
0       61 1   8       200   ffffa0003a650260          softclk/8
0       60 1   8       200   ffffa0003a650680          softbio/8
0       59 1   8       200   ffffa0003a650aa0          softnet/8
0    >  58 7   8       201   ffffa0003a64c240             idle/8
0       57 3   7       200   ffffa0003a64c660            xcall/7 xcall
0       56 1   7       200   ffffa0003a64ca80          softser/7
0       55 1   7       200   ffffa0003a64b220          softclk/7
0       54 1   7       200   ffffa0003a64b640          softbio/7
0       53 1   7       200   ffffa0003a64ba60          softnet/7
0    >  52 7   7       201   ffffa0003a648200             idle/7
0       51 3   6       200   ffffa0003a648620            xcall/6 xcall
0       50 1   6       200   ffffa0003a648a40          softser/6
0       49 1   6       200   ffffa0003a6471e0          softclk/6
0       48 1   6       200   ffffa0003a647600          softbio/6
0       47 1   6       200   ffffa0003a647a20          softnet/6
0    >  46 7   6       201   ffffa0003a6431c0             idle/6
0       45 3   5       200   ffffa0003a6435e0            xcall/5 xcall
0       44 1   5       200   ffffa0003a643a00          softser/5
0       43 1   5       200   ffffa0003a6421a0          softclk/5
0       42 1   5       200   ffffa0003a6425c0          softbio/5
0       41 1   5       200   ffffa0003a6429e0          softnet/5
0    >  40 7   5       201   ffffa0003a63f180             idle/5
0       39 3   4       200   ffffa0003a63f5a0            xcall/4 xcall
0       38 1   4       200   ffffa0003a63f9c0          softser/4
0       37 1   4       200   ffffa0003a63e160          softclk/4
0       36 1   4       200   ffffa0003a63e580          softbio/4
0       35 1   4       200   ffffa0003a63e9a0          softnet/4
0    >  34 7   4       201   ffffa0003a63b140             idle/4
0       33 3   3       200   ffffa0003a63b560            xcall/3 xcall
0       32 1   3       200   ffffa0003a63b980          softser/3
0       31 1   3       200   ffffa0003a63a120          softclk/3
0       30 1   3       200   ffffa0003a63a540          softbio/3
0       29 1   3       200   ffffa0003a63a960          softnet/3
0    >  28 7   3       201   ffffa0003a636100             idle/3
0       27 3   2       200   ffffa0003a636520            xcall/2 xcall
0       26 1   2       200   ffffa0003a636940          softser/2
0       25 1   2       200   ffffa0003a6350e0          softclk/2
0       24 1   2       200   ffffa0003a635500          softbio/2
0       23 1   2       200   ffffa0003a635920          softnet/2
0    >  22 7   2       201   ffffa0003a6310c0             idle/2
0       21 3   1       200   ffffa0003a6314e0            xcall/1 xcall
0       20 1   1       200   ffffa0003a631900          softser/1
0       19 1   1       200   ffffa0003a6300a0          softclk/1
0       18 1   1       200   ffffa0003a6304c0          softbio/1
0       17 1   1       200   ffffa0003a6308e0          softnet/1
0    >  16 7   1       201   ffffa0003a622080             idle/1
0       15 3   0       200   ffffa0003a6224a0         pmfsuspend pmfsuspend
0       14 3   0       200   ffffa0003a6228c0           pmfevent pmfevent
0       13 3   0       200   ffffa00035547060         sopendfree sopendfr
0       12 3  10       200   ffffa00035547480           nfssilly nfssilly
0       11 3   8       200   ffffa000355478a0            cachegc cachegc
0       10 3  15       200   ffffa00035545040              vrele vrele
0        9 3  12       200   ffffa00035545460             vdrain vdrain
0        8 3   0       200   ffffa00035545880          modunload mod_unld
0        7 3   0       200   ffffa0003553b020            xcall/0 xcall
0        6 1   0       200   ffffa0003553b440          softser/0
0        5 1   0       200   ffffa0003553b860          softclk/0
0        4 1   0       200   ffffa00035538000          softbio/0
0        3 1   0       200   ffffa00035538420          softnet/0
0    >   2 7   0       201   ffffa00035538840             idle/0
0        1 3   6       200   ffffffff8060aea0            swapper uvm

----------------------------------------------------------------
Emile `iMil' Heitor * <imil@{home.imil.net,NetBSD.org,gcu.info}>
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