ULE problems on HTT SMP
John Baldwin
jhb at FreeBSD.org
Fri Jun 27 16:01:51 PDT 2003
On 27-Jun-2003 Andrew Gallatin wrote:
>
> 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...
#define NOCPU 0xff /* For when we aren't on a CPU. (SMP) */
So that isn't but so interesting. :)
> 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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--
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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