Date: Fri, 27 Jun 2003 17:05:08 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@freebsd.org Subject: Re: ULE problems on HTT SMP Message-ID: <16124.45444.755452.70111@grasshopper.cs.duke.edu> In-Reply-To: <20030627142712.Q17881-100000@mail.chesapeake.net> References: <16124.21982.173905.17170@grasshopper.cs.duke.edu> <20030627142712.Q17881-100000@mail.chesapeake.net>
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Jeff Roberson writes:
>
> Can you call kseq_print(0) and kseq_print(1) from ddb?
>
I found a different problem which is nearly as interesting.
Note that ps thinks sysctl is on cpu 255...
Boot hangs here:
cd0: Attempt to query device size failed: NOT READY, Medium not
present
SMP: AP CPU #1 Launched!
Mounting root from ufs:/dev/ad0s1a
Loading configuration files.
Entropy harvesting: interrupts ethernet point_to_point.
<hang, hit ^T a few times, neither that nor ^C helps>
load: 0.97 cmd: sysctl 62 [running] 0.00u 0.00s 0% 200k
load: 0.97 cmd: sysctl 62 [running] 0.00u 0.00s 0% 200k
load: 0.97 cmd: sysctl 62 [running] 0.00u 0.00s 0% 200k
load: 0.97 cmd: sysctl 62 [running] 0.00u 0.00s 0% 200k
[halt - sent]
Stopped at siointr1+0xd5: jmp siointr1+0x200
db> kseq_print(0)
No such command
db> call kseq_print(0)
kseq:
load: 0
load ITHD: 0
load REALTIME: 0
load TIMESHARE: 0
load IDLE: 0
nicemin: 0
nice counts:
0xe
db> call kseq_print(1)
kseq:
load: 1
load ITHD: 0
load REALTIME: 0
load TIMESHARE: 1
load IDLE: 0
nicemin: 0
nice counts:
0 = 1
0x8
db> c
db> ps
pid proc addr uid ppid pgrp flag stat wmesg wchan cmd
62 c41ec000 d8d9a000 0 60 42 0004002 [CPU 255] sysctl
60 c4175d3c d7bcc000 0 58 42 0000002 [SLP]wait 0xc4175d3c] sh
58 c4175790 d7ba2000 0 51 42 0000002 [SLP]wait 0xc4175790] sh
51 c4175b58 d7bcb000 0 42 42 0000002 [SLP]wait 0xc4175b58] sh
42 c4025b58 d7b66000 0 1 42 0004002 [SLP]wait 0xc4025b58] sh
41 c4025d3c d7b67000 0 0 0 0000204 [SLP]nfsidl 0xc03f9b8c] nfsiod 3
40 c4173000 d7b96000 0 0 0 0000204 [SLP]nfsidl 0xc03f9b88] nfsiod 2
39 c41731e4 d7b97000 0 0 0 0000204 [SLP]nfsidl 0xc03f9b84] nfsiod 1
38 c41733c8 d7b98000 0 0 0 0000204 [SLP]nfsidl 0xc03f9b80] nfsiod 0
37 c41735ac d7b99000 0 0 0 0000204 [SLP]vlruwt 0xc41735ac] vnlru
36 c4173790 d7b9a000 0 0 0 0000204 [SLP]syncer 0xc03cacc0] syncer
35 c4173974 d7b9b000 0 0 0 0000204 [SLP]psleep 0xc03f7e3c] bufdaemon
34 c4173b58 d7b9c000 0 0 0 000020c [SLP]pgzero 0xc03ffc08] pagezero
9 c4173d3c d7b9d000 0 0 0 0000204 [SLP]psleep 0xc03ffc34] vmdaemon
8 c4175000 d7b9e000 0 0 0 0000204 [SLP]psleep 0xc03ffc20] pagedaemon
33 c41751e4 d7b9f000 0 0 0 0000204 new [IWAIT] irq8: rtc
32 c3f795ac d7b2b000 0 0 0 0000204 new [IWAIT] irq0: clk
31 c3f79790 d7b2c000 0 0 0 0000204 [IWAIT] irq6: fdc0
30 c3f79974 d7b2d000 0 0 0 0000204 new [IWAIT] irq7: ppc0
29 c3f79b58 d7b2e000 0 0 0 0000204 new [IWAIT] irq3: sio1
28 c3f79d3c d7b2f000 0 0 0 0000204 new [IWAIT] irq4: sio0
27 c4025000 d7b39000 0 0 0 0000204 [IWAIT] swi0: tty:sio
26 c40251e4 d7b3a000 0 0 0 0000204 new [IWAIT] irq11: em0
25 c40253c8 d7b3b000 0 0 0 0000204 [IWAIT] irq15: ata1
24 c40255ac d7b3c000 0 0 0 0000204 [IWAIT] irq14: ata0
23 c4025790 d7b3d000 0 0 0 0000204 new [IWAIT] irq5: fxp0
7 c4025974 d7b3e000 0 0 0 0000204 [SLP]actask 0xc04e40cc] acpi_task2
6 c150a1e4 d6929000 0 0 0 0000204 [SLP]actask 0xc04e40cc] acpi_task1
5 c150a3c8 d692a000 0 0 0 0000204 [SLP]actask 0xc04e40cc] acpi_task0
22 c150a5ac d692b000 0 0 0 0000204 new [IWAIT] irq9: acpi0
21 c150a790 d692c000 0 0 0 0000204 [IWAIT] swi3: cambio
20 c150a974 d692d000 0 0 0 0000204 new [IWAIT] swi2: camnet
19 c150ab58 d692e000 0 0 0 0000204 new [IWAIT] swi5:+
18 c150ad3c d6956000 0 0 0 0000204 new [IWAIT] swi6: task queue
17 c3f79000 d7b28000 0 0 0 0000204 [IWAIT] swi6: acpitaskq
16 c3f791e4 d7b29000 0 0 0 0000204 [SLP]sleep 0xc03b5dc0] random
4 c3f793c8 d7b2a000 0 0 0 0000204 [SLP]- 0xc03c41fc] g_down
3 c1503000 d68d2000 0 0 0 0000204 [SLP]- 0xc03c41f8] g_up
2 c15031e4 d6921000 0 0 0 0000204 [SLP]- 0xc03c41f0] g_event
15 c15033c8 d6922000 0 0 0 0000204 new [IWAIT] swi4: vm
14 c15035ac d6923000 0 0 0 000020c [IWAIT] swi7: tty:sio clock
13 c1503790 d6924000 0 0 0 0000204 new [IWAIT] swi1: net
12 c1503974 d6925000 0 0 0 000020c [CPU 0] idle: cpu0
11 c1503b58 d6926000 0 0 0 000020c [CPU 1] idle: cpu1
1 c1503d3c d6927000 0 0 1 0004200 [SLP]wait 0xc1503d3c] init
10 c150a000 d6928000 0 0 0 0000204 [CV]ktrace 0xc03c7794] ktrace
0 c03c42c0 c0513000 0 0 0 0000200 [SLP]sched 0xc03c42c0] swapper
db> sho pcpu
cpuid = 0
curthread = 0xc1504980: pid 12 "idle: cpu0"
curpcb = 0xd68edda0
fpcurthread = none
idlethread = 0xc1504980: pid 12 "idle: cpu0"
currentldt = 0x28
spin locks held:
db> sho pcpu 1
cpuid = 1
curthread = 0xc1504850: pid 11 "idle: cpu1"
curpcb = 0xd68eada0
fpcurthread = none
idlethread = 0xc1504850: pid 11 "idle: cpu1"
currentldt = 0x28
spin locks held:
db> t 62
mi_switch(c4177720,df,c036cbb1,ef,10000) at mi_switch+0x210
ast(d7bb8d48) at ast+0x3a0
doreti_ast() at doreti_ast+0x17
I hope that helps..
Drew
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