Date: Wed, 26 Feb 2003 21:55:57 +0100 From: Thierry Herbelot <thierry@herbelot.com> To: current ML <current@FreeBSD.ORG> Subject: Low swap kernel panic Message-ID: <200302262155.57512.thierry@herbelot.com>
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Hello,
while recompiling all of my ports (portupgrade -a -f), I've had my notebook
panic with the following messages (see at the bottom).
I have a limited amount of swap (paging out of a 64Meg file :
swapfile="/usr/swap0" in /etc/rc.conf), and I was running KDE at the time :
noticing a konqueror window had been closed, I have relaunched one konqueror,
then boom !
there was also a lock order reversal with :
$FreeBSD: src/sys/kern/kern_synch.c,v 1.211 2003/02/17 09:55:09 julian Exp $
$FreeBSD: src/sys/vm/vm_pageout.c,v 1.226 2003/02/09 20:40:36 alc Exp $
the kernel and userland are in sync and have been cvsuped and recomplied on
the day before yesterday :
FreeBSD XXX 5.0-CURRENT FreeBSD 5.0-CURRENT #10: Mon Feb 24 23:11:57 CET 2003
YYY@XXX:/usr/obj/usr/src/sys/GENERIC i386
the kernel config file is plain GENERIC.
/var/log/messages extract :
------
Feb 26 21:15:16 portable-cur kernel: swap_pager_getswapspace: failed
Feb 26 21:15:16 portable-cur last message repeated 109 times
Feb 26 21:15:16 portable-cur kernel: pid 59119 (kdeinit), uid 1001, was
killed: out of swap space
Feb 26 21:20:14 portable-cur kernel: swap_pager_getswapspace: failed
Feb 26 21:20:18 portable-cur last message repeated 144 times
Feb 26 21:20:18 portable-cur kernel: pid 63079 (kdesktop_lock), uid 1001, was
killed: out of swap space
Feb 26 21:26:04 portable-cur kernel: swap_pager_getswapspace: failed
Feb 26 21:26:08 portable-cur last message repeated 97 times
Feb 26 21:26:09 portable-cur kernel: pid 67198 (kdesktop_lock), uid 1001, was
killed: out of swap space
Feb 26 21:31:57 portable-cur kernel: swap_pager_getswapspace: failed
Feb 26 21:33:19 portable-cur syslogd: kernel boot file is /boot/kernel/kernel
Feb 26 21:33:20 portable-cur kernel: /usr/src/sys/kern/kern_synch.c:152:
sleeping with "process lock" locked from /usr/src/sys/vm/vm_pageout.c:1184
Feb 26 21:33:20 portable-cur kernel: /usr/src/sys/kern/kern_synch.c:152:
sleeping with "process lock" locked from /usr/src/sys/vm/vm_pageout.c:1184
Feb 26 21:33:20 portable-cur kernel: panic: sleeping thread owns a mutex
Feb 26 21:33:20 portable-cur kernel:
Feb 26 21:33:20 portable-cur kernel: syncing disks, buffers remaining...
panic:bremfree: bp 0xc5b6dfe0 not locked
Feb 26 21:33:20 portable-cur kernel: Uptime: 1d21h22m41s
Feb 26 21:33:20 portable-cur kernel: Terminate ACPI
Feb 26 21:33:20 portable-cur kernel: Automatic reboot in 15 seconds - press a
key on the console to abort
Feb 26 21:33:20 portable-cur kernel: Rebooting...
------------------------
/var/run/dmesg.boot :
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[741 "swap_pager_getswapspace: failed" lines deleted]
swap_pager_getswapspace: failed
swap_pager_getswapspace: failed
swap_pager_getswapspace: failed
pid 75533 (kdesktop_lock), uid 1001, was killed: out of swap space
/usr/src/sys/kern/kern_synch.c:152: sleeping with "process lock" locked from /usr/src/sys/vm/vm_pageout.c:1184
/usr/src/sys/kern/kern_synch.c:152: sleeping with "process lock" locked from /usr/src/sys/vm/vm_pageout.c:1184
panic: sleeping thread owns a mutex
syncing disks, buffers remaining... panic: bremfree: bp 0xc5b6dfe0 not locked
Uptime: 1d21h22m41s
Terminate ACPI
Automatic reboot in 15 seconds - press a key on the console to abort
Rebooting...
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 5.0-CURRENT #10: Mon Feb 24 23:11:57 CET 2003
YYY@XXX:/usr/obj/usr/src/sys/GENERIC
Preloaded elf kernel "/boot/kernel/kernel" at 0xc070a000.
Preloaded elf module "/boot/kernel/snd_ds1.ko" at 0xc070a0a8.
Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc070a154.
Preloaded elf module "/boot/kernel/firewire.ko" at 0xc070a200.
Preloaded elf module "/boot/kernel/sbp.ko" at 0xc070a2b0.
Preloaded elf module "/boot/kernel/acpi.ko" at 0xc070a358.
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 595574279 Hz
CPU: Intel Pentium III (595.57-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x683 Stepping = 3
Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 201261056 (191 MB)
avail memory = 187871232 (179 MB)
Pentium Pro MTRR support enabled
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <SONY K1 > on motherboard
ACPI-0625: *** Info: GPE Block0 defined as GPE0 to GPE15
pcibios: BIOS version 2.10
Using $PIR table, 8 entries at 0xc00fdf40
Timecounter "ACPI-safe" frequency 3579545 Hz
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x8008-0x800b on acpi0
acpi_cpu0: <CPU> on acpi0
acpi_tz0: <thermal zone> on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82443BX (440 BX) host to PCI bridge> mem 0x40000000-0x40ffffff at device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pcib1: could not get PCI interrupt routing table for \\_SB_.PCI0.VID0 - AE_NOT_FOUND
pci1: <ACPI PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 UDMA33 controller> port 0xfc90-0xfc9f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xfca0-0xfcbf irq 9 at device 7.2 on pci0
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pci0: <bridge, PCI-unknown> at device 7.3 (no driver attached)
fwohci0: <SONY CX3022> mem 0xfedf7c00-0xfedf7dff,0xfedf7000-0xfedf77ff irq 9 at device 8.0 on pci0
fwohci0: PCI bus latency was changing to 250.
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channel is 4.
fwohci0: EUI64 08:00:46:03:00:9d:41:5e
fwohci0: Phy 1394a available S400, 3 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
sbp0: <SBP2/SCSI over firewire> on firewire0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id = 0xc800ffc0, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
pcm0: <Yamaha DS-1E (YMF744)> port 0xfc8c-0xfc8f,0xfcc0-0xfcff mem 0xfedf8000-0xfedfffff irq 9 at device 9.0 on pci0
pcm0: <Asahi Kasei AK4543 ac97 codec>
pci0: <simple comms> at device 10.0 (no driver attached)
cbb0: <RF5C478 PCI-CardBus Bridge> at device 12.0 on pci0
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
pcib0: slot 12 INTA is routed to irq 9
cbb1: <RF5C478 PCI-CardBus Bridge> at device 12.1 on pci0
cardbus1: <CardBus bus> on cbb1
pccard1: <16-bit PCCard bus> on cbb1
pcib0: slot 12 INTB is routed to irq 9
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model GlidePoint, device ID 0
acpi_ec0: <embedded controller> port 0x66,0x62 on acpi0
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A
ppc0 port 0x778-0x77a,0x378-0x37f irq 7 drq 3 on acpi0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
acpi_cmbat0: <Control method Battery> on acpi0
acpi_cmbat1: <Control method Battery> on acpi0
acpi_acad0: <AC adapter> on acpi0
orm0: <Option ROM> at iomem 0xc0000-0xcbfff on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
fwohci0: txd err= 3 miss Ack err
acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
ed1: <CNet CN40BC NE2000 Compatible> at port 0x100-0x11f irq 9 function 0 config 32 on pccard1
ed1: address 00:80:ad:8e:82:60, type NE2000 (16 bit)
ad0: 28615MB <HITACHI_DK23DA-30> [58140/16/63] at ata0-master UDMA33
acd0: DVD-ROM <TOSHIBA DVD-ROM SD-C2402> at ata1-master PIO4
MBREXT Slice 5 on ad0s4:
[0] f:00 typ:7 s(CHS):255/1/193 e(CHS):255/254/255 s:63 l:27663867
[1] f:00 typ:0 s(CHS):0/0/0 e(CHS):0/0/0 s:0 l:0
Mounting root from ufs:/dev/ad0s3a
WARNING: / was not properly dismounted
WARNING: /tmp was not properly dismounted
/tmp: superblock summary recomputed
WARNING: /usr was not properly dismounted
/usr: mount pending error: blocks 32 files 8
/usr: superblock summary recomputed
WARNING: /var was not properly dismounted
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