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unresponsive domu
This has happened before but I thought I'd update kernel and userland to see
if it happened again ... and it has.
I really don't know what I'm doing, so here goes:
gogeta# xm console spike
Stopped in pid 0.2 (system) at netbsd:breakpoint+0x4: popl %ebp
db> bt
breakpoint(65c87,0,caa75f78,11,1) at netbsd:breakpoint+0x4
xencons_tty_input(c0ea1ef0,c05be011,1,c03a1afd,3b9aca00) at
netbsd:xencons_tty_i
nput+0xa6
xencons_handler(c0ea1ef0,caa3ac90,0,caa75fec,20) at
netbsd:xencons_handler+0x5f
evtchn_do_event(2,caa3ac90,caa3ac48,0,0) at netbsd:evtchn_do_event+0xbd
--- switch to interrupt stack ---
call_evtchn_do_event(caa3ac90,0,11,ca000031,c0100011) at
netbsd:call_evtchn_do_e
vent+0x1e
hypervisor_callback(ca27dbb4,1,c02d6489,0,0) at
netbsd:hypervisor_callback+0x65
idle_loop(ca286d80,0,c010006b,c0100063,c010006b) at netbsd:idle_loop+0xf9
db> ps/l
PID LID S FLAGS STRUCT LWP * NAME WAIT
6248 1 3 4 cd1f7000 master tstile
18497 1 3 4 cd1f7d80 find vnode
22163 1 3 84 cda8e260 postdrop netio
13874 1 3 84 cda8e020 sendmail piperd
29998 1 3 84 cda8eb60 tee piperd
4904 1 3 84 cc71c260 sh wait
16457 1 3 84 cc609000 sh wait
6994 1 3 84 cc71c6e0 cron piperd
16586 1 3 84 cda8e4a0 ssh select
8291 1 3 80 cd1f7b40 cvs piperd
3980 1 3 0 cda8eda0 cvs vnode
12492 1 3 80 cda8e920 sh wait
4448 1 3 80 cc609b40 cron piperd
664 1 3 80 ca2894a0 smbd pause
647 1 3 4 ca289260 getty tstile
628 1 3 4 cc609480 cron tstile
496 1 3 84 cc71c920 postgres select
533 1 3 84 cc71cda0 postgres select
383 1 3 4 cc71cb60 postgres tstile
510 1 3 84 cc609d80 qmgr kqueue
530 1 3 84 cc6096c0 master kqueue
328 8 3 84 cc71c020 slapd parked
7 3 80 cc71c4a0 slapd parked
6 3 80 ce131000 slapd parked
5 3 84 cda8e6e0 slapd parked
4 3 84 cc609900 slapd parked
3 3 84 cc609240 slapd parked
2 3 84 cc4ceb60 slapd select
1 3 80 cc4ce020 slapd parked
325 1 3 4 cc4ce260 smbd tstile
313 1 3 4 cc4ce4a0 nmbd tstile
300 1 3 80 cc4ce6e0 sshd select
230 1 3 80 ca2896e0 powerd kqueue
271 1 3 1000004 cc4ce920 ntpd tstile
214 1 3 84 cc4ceda0 rpc.lockd select
209 1 3 84 cb696000 rpc.statd select
206 5 3 84 cb696240 slave nfsd
4 3 84 cb696480 slave nfsd
3 3 84 cb6966c0 slave nfsd
2 3 84 cb696900 slave nfsd
1 3 80 cb696b40 master select
187 1 3 84 cb445260 mountd select
156 1 3 84 cb696d80 lfs_cleanerd segment
151 1 3 84 cb4454a0 rpc.yppasswdd select
141 1 3 4 cb4456e0 ypbind tstile
137 1 3 4 cb445920 ypserv tstile
131 1 3 4 cb445b60 rpcbind tstile
106 1 3 84 ca28e000 syslogd kqueue
1 1 3 84 ca28e900 init wait
>0 28 3 204 cb445020 lfs_writer lfswriter
27 3 204 cb445da0 physiod physiod
26 3 204 ca289020 vmem_rehash vmem_rehash
25 3 204 ca28ed80 aiodoned aiodoned
24 3 204 ca28eb40 ioflush syncer
23 3 204 ca28e6c0 pgdaemon pgdaemon
22 3 204 ca289920 cryptoret crypto_wait
21 3 204 ca28e240 xenbus rdst
20 3 204 ca28e480 xenwatch evtsq
10 3 204 ca289b60 pmfevent pmfevent
9 3 204 ca289da0 cachegc cachegc
8 3 204 ca286000 vrele vrele
7 3 204 ca286240 xcall/0 xcall
6 1 204 ca286480 softser/0
5 1 204 ca2866c0 softclk/0
4 1 204 ca286900 softbio/0
3 1 204 ca286b40 softnet/0
> 2 7 20000205 ca286d80 idle/0
1 3 204 c044b240 swapper schedule
db> ps
PID PPID PGRP UID S FLAGS LWPS COMMAND
WAIT
6248 530 530 0 2 0x100 1 master
tstile
18497 4904 16457 0 2 0x4000 1 find
vnode
22163 13874 16457 0 2 0x4100 1 postdrop
netio
13874 16457 16457 0 2 0x4000 1 sendmail
piperd
29998 16457 16457 0 2 0x4000 1 tee
piperd
4904 16457 16457 0 2 0x4000 1 sh
wait
16457 6994 16457 0 2 0x4000 1 sh
wait
6994 628 628 0 2 0 1 cron
piperd
16586 8291 12492 0 2 0x4000 1 ssh
select
8291 3980 12492 0 2 0 1 cvs
piperd
3980 12492 12492 0 2 0x4000 1 cvs
vnode
12492 4448 12492 0 2 0x4000 1 sh
wait
4448 628 628 0 2 0 1 cron
piperd
664 325 325 0 2 0x101 1 smbd
pause
647 1 647 0 2 0x4000 1 getty
tstile
628 1 628 0 2 0 1 cron
tstile
496 383 496 1003 2 0 1 postgres
select
533 383 533 1003 2 0 1 postgres
select
383 1 2 1003 2 0x4000 1 postgres
tstile
510 530 530 12 2 0x4100 1 qmgr
kqueue
530 1 530 0 2 0x4100 1 master
kqueue
328 1 328 1001 2 0x101 8 slapd
*
325 1 325 0 2 0x101 1 smbd
tstile
313 1 313 0 2 0x1 1 nmbd
tstile
300 1 300 0 2 0 1 sshd
select
230 1 230 0 2 0 1 powerd
kqueue
271 1 271 0 2 0 1 ntpd
tstile
214 1 214 0 2 0 1 rpc.lockd
select
209 1 209 0 2 0xa0000 1 rpc.statd
select
206 1 206 0 2 0 5 nfsd
*
187 1 187 0 2 0 1 mountd
select
156 1 156 0 2 0 1 lfs_cleanerd
segment
151 1 151 0 2 0 1 rpc.yppasswdd
select
141 1 141 0 2 0 1 ypbind
tstile
137 1 137 0 2 0xa0000 1 ypserv
tstile
131 1 131 0 2 0 1 rpcbind
tstile
106 1 106 0 2 0 1 syslogd
kqueue
1 0 1 0 2 0x4001 1 init
wait
>0 -1 0 0 2 0x20002 19 system
*
db> reboot
syncing disks... panic: assert_sleepable: interrupt caller=0xc0348fa1
Stopped in pid 0.2 (system) at netbsd:breakpoint+0x4: popl %ebp
I don't know how to reproduce this, it just happens. If there are more
commands I can issue to assist ... please let me know. Is there a basic set
of commands or procedure to follow when dropping to ddb. Sorry for my
naivety.
Sarton
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