Date: Thu, 04 Mar 2004 12:49:37 +0300 From: Vladimir Grebenschikov <vova@express.ru> To: "current@freebsd.org" <current@freebsd.org> Subject: Re: Current lockup on 'sysctl lock' Message-ID: <1078392953.821.3.camel@localhost> In-Reply-To: <1078300315.6838.23.camel@localhost> References: <1078300315.6838.23.camel@localhost>
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On =D3=D2, 2004-03-03 at 10:51 +0300, Vladimir Grebenschikov wrote:
> About 3-5 time per day recent current locksup on my noteboot.
>=20
> Symptoms:=20
> system responsive, not locked processes works, I can switch X to sc0
> and back.
Once again, with serial console this time.
Symptoms are the same.
Processes locket on 'sysctl lock' and 'allproc'.
DDB output:
db> c
Debugger("manual escape to debugger")
Stopped at Debugger+0x54: xchgl %ebx,in_Debugger.0
db> ps=20
pid proc uarea uid ppid pgrp flag stat wmesg wchan
cmd
2420 c296cdc0 cc929000 207 829 757 0000000 new [INACTIVE]
evolution-1.5
2394 c29fb370 cc94d000 207 820 820 0006002 [SLPQ allproc
0xc0693cac][SLP] sleep
2372 c296c6e0 cc925000 207 2371 2357 0004000 [SLPQ select
0xc0698144][SLP] ssh
2371 c2962c08 cc8d7000 207 2359 2357 0004000 [SLPQ sbwait
0xc29bc51c][SLP] vzcpcon
2370 c296c1b8 cc8da000 207 2369 2357 0004000 [SLPQ select
0xc0698144][SLP] ssh
2369 c2962a50 cc8d6000 207 2360 2357 0004000 [SLPQ sbwait
0xc29bc7ec][SLP] vzcpcon
2368 c2962370 cc8d2000 207 2357 2357 0000100 [SLPQ lockf 0xc29ddcc0]
[SLP] httpd
2367 c285a6e0 cc81f000 207 2357 2357 0000100 [SLPQ lockf 0xc29dd840]
[SLP] httpd
2366 c2939a50 cc890000 207 2357 2357 0000100 [SLPQ lockf 0xc29e1c00]
[SLP] httpd
2365 c2939370 cc88c000 207 2363 2357 0004000 [SLPQ select
0xc0698144][SLP] ssh
2364 c2939898 cc88f000 207 2357 2357 0000100 [SLPQ select
0xc0698144][SLP] httpd
2363 c285a898 cc820000 207 2361 2357 0004000 [SLPQ sbwait
0xc29bbc9c][SLP] vzcpcon
2362 c2939dc0 cc892000 207 2357 2357 0000100 [SLPQ lockf 0xc29e4dc0]
[SLP] httpd
2361 c29391b8 cc887000 207 2357 2357 0000100 [SLPQ lockf 0xc29e0580]
[SLP] httpd
2360 c29621b8 cc8d1000 207 2357 2357 0000100 [SLPQ lockf 0xc29e12c0]
[SLP] httpd
2359 c2939c08 cc891000 207 2357 2357 0000100 [SLPQ lockf 0xc29e47c0]
[SLP] httpd
2358 c296c528 cc924000 207 2357 2357 0000100 [SLPQ lockf 0xc29dd9c0]
[SLP] httpd
2357 c2357898 cc7a6000 0 1 2357 0000000 [SLPQ select
0xc0698144][SLP] httpd
2351 c2962000 cc8d0000 0 2343 2351 0004002 [SLPQ ttyin 0xc2882a40]
[SLP] tcsh
2349 c23596e0 cc7d2000 207 2340 2349 0004002 [SLPQ select
0xc0698144][SLP] gnuserv
2343 c285ac08 cc822000 207 2342 2343 0004002 [SLPQ pause 0xc281f000]
[SLP] tcsh
2342 c296c370 cc923000 207 1 757 0004100 [SLPQ select
0xc0698144][SLP] xterm
2340 c2962dc0 cc8d8000 207 2338 2338 0004002 [SLPQ select
0xc0698144][SLP] xemacs-21.5-b15
2338 c285a1b8 cc81c000 207 2335 2338 0004002 [SLPQ wait 0xc285a1b8]
[SLP] sh
2335 c2858dc0 cc7f6000 207 2334 2335 0004002 [SLPQ ttyin 0xc296a240]
[SLP] tcsh
2334 c296c000 cc8d9000 207 1 757 0004100 [SLPQ select
0xc0698144][SLP] xterm
1826 c285adc0 cc823000 207 1772 757 0000000 [SLPQ allproc
0xc0693cac][SLP] opera
1777 c29626e0 cc8d4000 207 1776 757 0004001 [SLPQ select
0xc0698144][SLP] sim
1776 c2962528 cc8d3000 207 1 757 0004000 [SLPQ pause 0xc29a5000]
[SLP] tcsh
1772 c296c898 cc926000 207 1 757 0004001 [SLPQ pause 0xc27c9000]
[SLP] opera
854 c285a370 cc81d000 207 1 854 0000000 [SLPQ select
0xc0698144][SLP] perl
839 c2939528 cc88d000 207 829 757 0004100 [SLPQ select
0xc0698144][SLP] camel-lock-helper
838 c29396e0 cc88e000 207 1 723 000c001 (threaded) evolution-
alarm-not
thread 0xc2985690 ksegrp 0xc2358c00 [SLPQ kserel 0xc2358c5c][SLP]
thread 0xc235a930 ksegrp 0xc2358c00 [SLPQ select 0xc0698144][SLP]
thread 0xc28e6bd0 ksegrp 0xc2358c00 [SLPQ select 0xc0698144][SLP]
thread 0xc224e7e0 ksegrp 0xc2358900 [SLPQ ksesigwait 0xc29397e0][SLP]
833 c28586e0 cc7f2000 207 1 723 000c001 (threaded) evolution-
data-serv
thread 0xc295a7e0 ksegrp 0xc212c600 [SLPQ kserel 0xc212c65c][SLP]
thread 0xc295a150 ksegrp 0xc212c600 [SLPQ select 0xc0698144][SLP]
thread 0xc28e6000 ksegrp 0xc212c600 [SLPQ select 0xc0698144][SLP]
thread 0xc28e6150 ksegrp 0xc2358980 [SLPQ ksesigwait 0xc28587e0][SLP]
829 c285aa50 cc821000 207 1 757 008c001 stop(threaded)
evolution-1.5
thread 0xc295ae70 ksegrp 0xc285f180 [SUSP]
thread 0xc28e6d20 ksegrp 0xc285f180 [SLPQ spltwt 0xc0e87678][SLP]
thread 0xc29fd540 ksegrp 0xc285f180 [SUSP]
thread 0xc28e67e0 ksegrp 0xc285f180 [SLPQ select 0xc0698144][SLP]
[SUSP]
thread 0xc295aa80 ksegrp 0xc2358880 [SUSP]
820 c2939000 cc82b000 207 802 820 0004002 [SLPQ wait 0xc2939000]
[SLP] sh
802 c2357a50 cc7a7000 207 801 802 0004002 [SLPQ pause 0xc2326000]
[SLP] tcsh
801 c2359528 cc7d1000 207 1 757 0004100 [SLPQ select
0xc0698144][SLP] xterm
799 c218fdc0 cbba2000 207 1 723 0004001 [SLPQ select
0xc0698144][SLP] notification-area-a
797 c2858370 cc7f0000 207 1 723 0004001 [SLPQ select
0xc0698144][SLP] clock-applet
795 c2858528 cc7f1000 207 1 723 0004001 [SLPQ select
0xc0698144][SLP] mixer_applet2
793 c28581b8 cc7ef000 207 1 723 0004001 [SLPQ select
0xc0698144][SLP] wnck-applet
789 c2357c08 cc7a8000 207 1 759 0004000 [SLPQ select
0xc0698144][SLP] mapping-daemon
771 c2359dc0 cc7d6000 207 1 723 000c001 (threaded) gnome-vfs-
daemon
thread 0xc2985930 ksegrp 0xc212c880 [SLPQ kserel 0xc212c8dc][SLP]
thread 0xc29fd150 ksegrp 0xc212c880 [SLPQ select 0xc0698144][SLP]
thread 0xc224ee70 ksegrp 0xc212c880 [SLPQ select 0xc0698144][SLP]
thread 0xc235ad20 ksegrp 0xc2358f00 [SLPQ ksesigwait 0xc2359ec0][SLP]
767 c2359a50 cc7d4000 207 1 767 000c101 (threaded) gkrellm
thread 0xc29fd690 ksegrp 0xc212c980 [SLPQ kserel 0xc212c9dc][SLP]
thread 0xc29fdd20 ksegrp 0xc212c980 [SLPQ thrd_sleep 0xc2510b4c][SLP]
thread 0xc235ae70 ksegrp 0xc2358e80 [SLPQ ksesigwait 0xc2359b50][SLP]
759 c2858000 cc7ea000 207 1 759 000c001 (threaded) nautilus
thread 0xc29fd000 ksegrp 0xc212c800 [SLPQ kserel 0xc212c85c][SLP]
thread 0xc28e53f0 ksegrp 0xc212c800 [SLPQ select 0xc0698144][SLP]
thread 0xc28e5d20 ksegrp 0xc212c800 [SLPQ select 0xc0698144][SLP]
thread 0xc285b000 ksegrp 0xc285f000 [SLPQ ksesigwait 0xc2858100][SLP]
757 c2858a50 cc7f4000 207 1 757 0004001 [SLPQ select
0xc0698144][SLP] gnome-panel
755 c224ca50 cc784000 207 1 755 0004000 [SLPQ sysctl lock
0xc069466c][SLP] metacity
740 c2359c08 cc7d5000 207 1 723 0004100 [SLPQ select
0xc0698144][SLP] xscreensaver
727 c2858898 cc7f3000 207 1 723 0004001 [SLPQ select
0xc0698144][SLP] gnome-settings-daem
725 c2858c08 cc7f5000 207 1 725 0004000 [SLPQ select
0xc0698144][SLP] gnome-smproxy
723 c285a000 cc7f7000 207 1 723 0004000 [SLPQ select
0xc0698144][SLP] bonobo-activation-s
721 c224c1b8 cc737000 207 1 696 0000000 [SLPQ select
0xc0698144][SLP] gnome-keyring-daemo
714 c224cc08 cc785000 207 1 696 0004001 [SLPQ select
0xc0698144][SLP] gconfd-2
712 c2357dc0 cc7a9000 207 696 712 0000000 [SLPQ select
0xc0698144][SLP] ssh-agent
696 c2357528 cc7a4000 207 608 696 0004001 [SLPQ select
0xc0698144][SLP] gnome-session
693 c212aa50 cbb64000 0 1 693 0004002 [SLPQ sysctl lock
0xc069466c][SLP] login
669 c23576e0 cc7a5000 0 1 669 0004002 [SLPQ ttyin 0xc25fba10]
[SLP] getty
668 c218f1b8 cbb9b000 0 1 668 0004002 [SLPQ ttyin 0xc25fc010]
[SLP] getty
667 c2359370 cc7ac000 0 1 667 0004002 [SLPQ ttyin 0xc2171010]
[SLP] getty
666 c224c528 cc739000 0 1 666 0004002 [SLPQ ttyin 0xc21a7e10]
[SLP] getty
665 c23571b8 cc7a2000 0 1 665 0004002 [SLPQ ttyin 0xc2171210]
[SLP] getty
664 c2359000 cc7aa000 0 1 664 0004002 [SLPQ ttyin 0xc21a7810]
[SLP] getty
663 c224cdc0 cc786000 0 1 663 0004002 [SLPQ ttyin 0xc21a7410]
[SLP] getty
651 c218f370 cbb9c000 26 1 651 0000100 [SLPQ select
0xc0698144][SLP] exim-4.30-1
627 c2357370 cc7a3000 0 1 627 0000000 [SLPQ select
0xc0698144][SLP] moused
611 c224c898 cc783000 0 608 611 0004000 [SLPQ select
0xc0698144][SLP] XFree86
608 c218fa50 cbba0000 0 605 608 0000100 [SLPQ select
0xc0698144][SLP] gdm-binary
605 c218fc08 cbba1000 0 1 605 0000100 [SLPQ select
0xc0698144][SLP] gdm-binary
563 c2357000 cc7a1000 0 539 539 0004100 [SLPQ nanslp
0xc069481c][SLP] ipp
539 c23591b8 cc7ab000 0 1 539 0000000 [SLPQ select
0xc0698144][SLP] cupsd
457 c218f6e0 cbb9e000 0 1 457 0000100 [SLPQ select
0xc0698144][SLP] sshd
404 c224c6e0 cc73a000 0 1 404 0000000 [SLPQ select
0xc0698144][SLP] usbd
401 c218f528 cbb9d000 0 1 401 0000000 [SLPQ select
0xc0698144][SLP] moused
303 c218f898 cbb9f000 0 1 303 0000000 [SLPQ select
0xc0698144][SLP] syslogd
281 c224c370 cc738000 0 1 281 0000000 [SLPQ dev cv
0xc069522c][SLP] devd
186 c224c000 cc736000 0 1 186 0000000 [SLPQ pause 0xc226d000]
[SLP] adjkerntz
45 c212ac08 cbb65000 0 0 0 0000204 [SLPQ vlruwt
0xc212ac08][SLP] vnlru
44 c212adc0 cbb66000 0 0 0 0000204 [SLPQ syncer
0xc06941e0][SLP] syncer
43 c218c000 cbb6d000 0 0 0 0000204 [SLPQ psleep
0xc06984cc][SLP] bufdaemon
42 c218c1b8 cbb6e000 0 0 0 000020c [SLPQ pgzero
0xc069ca28][SLP] pagezero
41 c218c370 cbb6f000 0 0 0 0000204 [SLPQ psleep
0xc069ca80][SLP] vmdaemon
40 c218c528 cbb70000 0 0 0 0000204 [SLPQ psleep
0xc069ca6c][SLP] pagedaemon
39 c218c6e0 cbb71000 0 0 0 0000204 [IWAIT] swi0: tty:sio
9 c218c898 cbb72000 0 0 0 0000204 [SLPQ cbb cv
0xc2172354][SLP] cbb0
38 c218ca50 cbb73000 0 0 0 0000204 [SLPQ usbtsk
0xc07b1c80][SLP] usbtask
37 c218cc08 cbb98000 0 0 0 0000204 [SLPQ usbevt
0xc21a3210][SLP] usb0
36 c218cdc0 cbb99000 0 0 0 0000204 [SLPQ tzpoll
0xc068bea4][SLP] acpi_thermal
8 c218f000 cbb9a000 0 0 0 0000204 [SLPQ actask
0xc068becc][SLP] acpi_task2
7 c2121528 cbb34000 0 0 0 0000204 [SLPQ actask
0xc068becc][SLP] acpi_task1
6 c21216e0 cbb35000 0 0 0 0000204 [SLPQ actask
0xc068becc][SLP] acpi_task0
5 c2121898 cbb36000 0 0 0 0000204 [SLPQ - 0xc214eb80]
[SLP] taskqueue
35 c2121a50 cbb37000 0 0 0 0000204 [IWAIT] swi6:+
34 c2121c08 cbb38000 0 0 0 0000204 [IWAIT] swi7: task
queue
33 c2121dc0 cbb39000 0 0 0 0000204 [IWAIT] swi3: cambio
32 c212a000 cbb3a000 0 0 0 0000204 [IWAIT] swi2: camnet
31 c212a1b8 cbb5f000 0 0 0 0000204 [IWAIT] swi7: acpitaskq
30 c212a370 cbb60000 0 0 0 0000204 [IWAIT] swi5:+
29 c212a528 cbb61000 0 0 0 0000204 [SLPQ - 0xc068c0e0]
[SLP] random
4 c212a6e0 cbb62000 0 0 0 0000204 [SLPQ - 0xc068ec48]
[SLP] g_down
3 c212a898 cbb63000 0 0 0 0000204 [SLPQ - 0xc068ec44]
[SLP] g_up
2 c0fef1b8 cb334000 0 0 0 0000204 [SLPQ - 0xc068ec3c]
[SLP] g_event
28 c0fef370 cb335000 0 0 0 0000204 [IWAIT] swi1: net
27 c0fef528 cb336000 0 0 0 0000204 [IWAIT] swi4: vm
26 c0fef6e0 cb337000 0 0 0 000020c [RUNQ] swi8: tty:sio
clock
25 c0fef898 cb35c000 0 0 0 0000204 [IWAIT] irq15: ata1
24 c0fefa50 cb35d000 0 0 0 0000204 [IWAIT] irq14: ata0
23 c0fefc08 cb35e000 0 0 0 0000204 [IWAIT] irq13:
22 c0fefdc0 cb35f000 0 0 0 0000204 [IWAIT] irq12: psm0
21 c2121000 cbb31000 0 0 0 0000204 [IWAIT] irq11:
20 c21211b8 cbb32000 0 0 0 0000204 [IWAIT] irq10: sio1
19 c2121370 cbb33000 0 0 0 0000204 [CPU 0] irq9: cbb0 fxp0
++++
18 c0fe8000 cb2e2000 0 0 0 0000204 [IWAIT] irq8: rtc
17 c0fe81b8 cb32b000 0 0 0 0000204 [IWAIT] irq7:
16 c0fe8370 cb32c000 0 0 0 0000204 [IWAIT] irq6:
15 c0fe8528 cb32d000 0 0 0 0000204 [IWAIT] irq5:
14 c0fe86e0 cb32e000 0 0 0 0000204 [IWAIT] irq4: sio0
13 c0fe8898 cb32f000 0 0 0 0000204 [IWAIT] irq3:
12 c0fe8a50 cb330000 0 0 0 0000204 [IWAIT] irq1: atkbd0
11 c0fe8c08 cb331000 0 0 0 0000204 [IWAIT] irq0: clk
10 c0fe8dc0 cb332000 0 0 0 000020c [Can run] idle
1 c0fef000 cb333000 0 0 1 0004200 [SLPQ wait 0xc0fef000]
[SLP] init
0 c068ed40 c081f000 0 0 0 0000200 [SLPQ sched 0xc068ed40]
[SLP] swapper
db> tr 755
sched_switch(c224de70,d99f5503,929c897c,c06b1354,c224de70) at
sched_switch+0xd5
mi_switch(1,c0515ca0,c0515a42,bfbfd000,1) at mi_switch+0x1ab
sleepq_switch(c069466c,cc75eba4,c04c7d0f,c069466c,c069466c) at
sleepq_switch+0x16f
sleepq_wait(c069466c,c069466c,c069313c,c064b519,1) at sleepq_wait+0x11
cv_wait(c069466c,c069313c,2ffffff,bfbfdcd4,bfbfdcd4) at cv_wait+0x12f
_sx_xlock(c0694640,0,0,2000,ffffffff) at _sx_xlock+0x72
userland_sysctl(c224de70,cc75ec7c,2,bfbfdd20,bfbfdcd4) at
userland_sysctl+0xed
__sysctl(c224de70,cc75ed14,18,c0686da0,6) at __sysctl+0xd4
syscall(20002f,80b002f,bfbf002f,2,bfbfdd20) at syscall+0x2f0
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (202, FreeBSD ELF32, __sysctl), eip =3D 0x288a7457, esp =3D
0xbfbfdc4c, ebp =3D 0xbfbfdc88 ---
db> tr 693
sched_switch(c0ff0e70,3d17d003,29f41a1b,c06b1354,c0ff0e70) at
sched_switch+0xd5
mi_switch(1,c0515ca0,c0515a42,28069000,1) at mi_switch+0x1ab
sleepq_switch(c069466c,cb35bba4,c04c7d0f,c069466c,c069466c) at
sleepq_switch+0x16f
sleepq_wait(c069466c,c069466c,c069313c,c064b519,1) at sleepq_wait+0x11
cv_wait(c069466c,c069313c,2d00610,bfbfecb0,bfbfecb0) at cv_wait+0x12f
_sx_xlock(c0694640,0,0,80,c2a0421c) at _sx_xlock+0x72
userland_sysctl(c0ff0e70,cb35bc7c,2,28069a0c,bfbfecb0) at
userland_sysctl+0xed
__sysctl(c0ff0e70,cb35bd14,18,4,6) at __sysctl+0xd4
syscall(2f,2f,2f,2,28069a0c) at syscall+0x2f0
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (202, FreeBSD ELF32, __sysctl), eip =3D 0x2805accf, esp =3D
0xbfbfec48, ebp =3D 0xbfbfec84 ---
db> tr 1826
sched_switch(c285b150,1dcd1203,e8f479c,c06b1354,c285b150) at
sched_switch+0xd5
mi_switch(1,c0515ca0,c0515a42,7,1) at mi_switch+0x1ab
sleepq_switch(c0693cac,cc7fdc54,c04c7d0f,c0693cac,c0693cac) at
sleepq_switch+0x16f
sleepq_wait(c0693cac,c0693cac,c0693820,c064aa0b,1) at sleepq_wait+0x11
cv_wait(c0693cac,c0693820,c29ff528,21,21) at cv_wait+0x12f
_sx_xlock(c0693c80,0,0,6,0) at _sx_xlock+0x72
fork1(c285b150,24030,0,cc7fdcd4,c285b150) at fork1+0x3a6
linux_clone(c285b150,cc7fdd14,cc7fdd0c,cc7fdd10,2) at linux_clone+0x69
syscall(bfbf002f,bfbf002f,cc90002f,bf3ffd24,0) at syscall+0x2f0
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (120, Linux ELF, linux_clone), eip =3D 0x28dc2c4e, esp =3D
0x8dc232c, ebp =3D 0x8dc237c ---
db> tr 2394
sched_switch(c2985bd0,ebae7c03,f173380a,c06b1354,c2985bd0) at
sched_switch+0xd5
mi_switch(1,c0515ca0,c0515a42,c055905f,1) at mi_switch+0x1ab
sleepq_switch(c0693cac,cc8f8c5c,c04c7d0f,c0693cac,c0693cac) at
sleepq_switch+0x16f
sleepq_wait(c0693cac,c0693cac,c0693820,c064aa0b,1) at sleepq_wait+0x11
cv_wait(c0693cac,c0693820,c2985bd0,c29fb370,c29fb370) at cv_wait+0x12f
_sx_xlock(c0693c80,0,0,cc8f8cc8,200f) at _sx_xlock+0x72
exit1(c2985bd0,0,c0517b46,c2985bd0,cc8f8d40) at exit1+0xce5
sys_exit(c2985bd0,cc8f8d14,4,4,1) at sys_exit+0x67
syscall(2f,2f,2f,bfbfe680,bfbfe68c) at syscall+0x2f0
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (1, FreeBSD ELF32, sys_exit), eip =3D 0x280be0d3, esp =3D
0xbfbfe62c, ebp =3D 0xbfbfe648 ---
db> tr 2420
sched_switch(0,1,0,c2a02084,4) at sched_switch+0xd5
db>=20
--=20
Vladimir B. Grebenchikov
TSB "Russian Express"
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