Hello, I'm under OpenBSD 4.0 running on an AMD Sempron, dmesg at the end of this mail.
I'm getting strange system freezes quite regularly. It typically occurs while I'm running Firefox (1.5.0.5), my window manager is 'mwm'. A while back these freezes used to occur even at the console, I figured that they were because of lack of sufficient video memory so I increased the video memory from 128MB to 256MB (shared from primary RAM). Things were quite OK for a while, but, today the system froze again, under X, mwm and Firefox. I'm unable to reproduce the freeze at will. Is there something I could do to give you guys a better idea about what's happening? Best, -- DMesg -- OpenBSD 4.0 (GENERIC) #1107: Sat Sep 16 19:15:58 MDT 2006 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC cpu0: AMD Sempron(tm) Processor 3000+ ("AuthenticAMD" 686-class, 256KB L2 cache) 1.61 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16 real mem = 267743232 (261468K) avail mem = 236478464 (230936K) using 3293 buffers containing 13488128 bytes (13172K) of memory mainbus0 (root) bios0 at mainbus0: AT/286+(00) BIOS, date 05/01/07, BIOS32 rev. 0 @ 0xf0010, SMBIOS rev. 2.4 @ 0xf06f0 (49 entries) bios0: ASUSTeK Computer INC. M2N-MX SE apm0 at bios0: Power Management spec V1.2 apm0: AC on, battery charge unknown apm0: flags 30102 dobusy 0 doidle 1 pcibios0 at bios0: rev 3.0 @ 0xf0000/0x10000 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf7a40/256 (14 entries) pcibios0: no compatible PCI ICU found: ICU vendor 0x10de product 0x03e0 pcibios0: PCI bus #4 is the last bus bios0: ROM list: 0xc0000/0xee00 0xcf000/0x800 cpu0 at mainbus0 pci0 at mainbus0 bus 0: configuration mode 1 (no bios) vendor "NVIDIA", unknown product 0x03ea (class memory subclass RAM, rev 0xa1) at pci0 dev 0 function 0 not configured pcib0 at pci0 dev 1 function 0 "NVIDIA MCP61 ISA" rev 0xa2 nviic0 at pci0 dev 1 function 1 "NVIDIA MCP61 SMBus" rev 0xa2 iic0 at nviic0 iic1 at nviic0 vendor "NVIDIA", unknown product 0x03f5 (class memory subclass RAM, rev 0xa2) at pci0 dev 1 function 2 not configured ohci0 at pci0 dev 2 function 0 vendor "NVIDIA", unknown product 0x03f1 rev 0xa2: irq 11, version 1.0, legacy support usb0 at ohci0: USB revision 1.0 uhub0 at usb0 uhub0: NVIDIA OHCI root hub, rev 1.00/1.00, addr 1 uhub0: 8 ports with 8 removable, self powered ehci0 at pci0 dev 2 function 1 vendor "NVIDIA", unknown product 0x03f2 rev 0xa2: irq 10 usb1 at ehci0: USB revision 2.0 uhub1 at usb1 uhub1: NVIDIA EHCI root hub, rev 2.00/1.00, addr 1 uhub1: 8 ports with 8 removable, self powered ppb0 at pci0 dev 4 function 0 vendor "NVIDIA", unknown product 0x03f3 rev 0xa1 pci1 at ppb0 bus 1 xl0 at pci1 dev 6 function 0 "3Com 3c905C 100Base-TX" rev 0x74: irq 11, address 00:50:da:0d:c9:90 bmtphy0 at xl0 phy 24: Broadcom 3C905C internal PHY, rev. 6 azalia0 at pci0 dev 5 function 0 vendor "NVIDIA", unknown product 0x03f0 rev 0xa2: irq 11 azalia0: host: High Definition Audio rev. 1.0 azalia0: codec: 0x04x/0x10ec (rev. 1.1), HDA version 1.0 audio0 at azalia0 pciide0 at pci0 dev 6 function 0 "NVIDIA MCP61 IDE" rev 0xa2: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility atapiscsi0 at pciide0 channel 0 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <SONY, CD-RW CRX320EE, RYK4> SCSI0 5/cdrom removable cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 0 pciide0: channel 1 ignored (disabled) nfe0 at pci0 dev 7 function 0 "NVIDIA MCP61 LAN" rev 0xa2: irq 11, address bb:58:90:fc:1b:00 ukphy0 at nfe0 phy 1: Generic IEEE 802.3u media interface, rev. 1: OUI 0x001374, model 0x0002 pciide1 at pci0 dev 8 function 0 "NVIDIA MCP61 SATA" rev 0xa2: DMA pciide1: using irq 15 for native-PCI interrupt wd0 at pciide1 channel 0 drive 0: <ST380215AS> wd0: 16-sector PIO, LBA48, 76319MB, 156301488 sectors wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 5 ppb1 at pci0 dev 9 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci2 at ppb1 bus 2 ppb2 at pci0 dev 11 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci3 at ppb2 bus 3 ppb3 at pci0 dev 12 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci4 at ppb3 bus 4 vga1 at pci0 dev 13 function 0 vendor "NVIDIA", unknown product 0x03d0 rev 0xa2 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pchb0 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00 pchb1 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00 pchb2 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00 pchb3 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00 isa0 at pcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pmsi0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pmsi0 mux 0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 it0 at isa0 port 0x290/8: IT87 npx0 at isa0 port 0xf0/16: using exception 16 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec fd1 at fdc0 drive 1: density unknown biomask ef6d netmask ef6d ttymask ffef pctr: user-level cycle counter enabled dkcsum: wd0 matches BIOS drive 0x80 root on wd0a rootdev=0x0 rrootdev=0x300 rawdev=0x302 OpenBSD 4.0 (GENERIC) #1107: Sat Sep 16 19:15:58 MDT 2006 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC cpu0: AMD Sempron(tm) Processor 3000+ ("AuthenticAMD" 686-class, 256KB L2 cache) 1.61 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16 real mem = 267743232 (261468K) avail mem = 236478464 (230936K) using 3293 buffers containing 13488128 bytes (13172K) of memory mainbus0 (root) bios0 at mainbus0: AT/286+(00) BIOS, date 05/01/07, BIOS32 rev. 0 @ 0xf0010, SMBIOS rev. 2.4 @ 0xf06f0 (49 entries) bios0: ASUSTeK Computer INC. M2N-MX SE apm0 at bios0: Power Management spec V1.2 apm0: AC on, battery charge unknown apm0: flags 30102 dobusy 0 doidle 1 pcibios0 at bios0: rev 3.0 @ 0xf0000/0x10000 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf7a40/256 (14 entries) pcibios0: no compatible PCI ICU found: ICU vendor 0x10de product 0x03e0 pcibios0: PCI bus #4 is the last bus bios0: ROM list: 0xc0000/0xee00 0xcf000/0x800 cpu0 at mainbus0 pci0 at mainbus0 bus 0: configuration mode 1 (no bios) vendor "NVIDIA", unknown product 0x03ea (class memory subclass RAM, rev 0xa1) at pci0 dev 0 function 0 not configured pcib0 at pci0 dev 1 function 0 "NVIDIA MCP61 ISA" rev 0xa2 nviic0 at pci0 dev 1 function 1 "NVIDIA MCP61 SMBus" rev 0xa2 iic0 at nviic0 iic1 at nviic0 vendor "NVIDIA", unknown product 0x03f5 (class memory subclass RAM, rev 0xa2) at pci0 dev 1 function 2 not configured ohci0 at pci0 dev 2 function 0 vendor "NVIDIA", unknown product 0x03f1 rev 0xa2: irq 11, version 1.0, legacy support usb0 at ohci0: USB revision 1.0 uhub0 at usb0 uhub0: NVIDIA OHCI root hub, rev 1.00/1.00, addr 1 uhub0: 8 ports with 8 removable, self powered ehci0 at pci0 dev 2 function 1 vendor "NVIDIA", unknown product 0x03f2 rev 0xa2: irq 10 usb1 at ehci0: USB revision 2.0 uhub1 at usb1 uhub1: NVIDIA EHCI root hub, rev 2.00/1.00, addr 1 uhub1: 8 ports with 8 removable, self powered ppb0 at pci0 dev 4 function 0 vendor "NVIDIA", unknown product 0x03f3 rev 0xa1 pci1 at ppb0 bus 1 xl0 at pci1 dev 6 function 0 "3Com 3c905C 100Base-TX" rev 0x74: irq 11, address 00:50:da:0d:c9:90 bmtphy0 at xl0 phy 24: Broadcom 3C905C internal PHY, rev. 6 azalia0 at pci0 dev 5 function 0 vendor "NVIDIA", unknown product 0x03f0 rev 0xa2: irq 11 azalia0: host: High Definition Audio rev. 1.0 azalia0: codec: 0x04x/0x10ec (rev. 1.1), HDA version 1.0 audio0 at azalia0 pciide0 at pci0 dev 6 function 0 "NVIDIA MCP61 IDE" rev 0xa2: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility atapiscsi0 at pciide0 channel 0 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <SONY, CD-RW CRX320EE, RYK4> SCSI0 5/cdrom removable cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 0 pciide0: channel 1 ignored (disabled) nfe0 at pci0 dev 7 function 0 "NVIDIA MCP61 LAN" rev 0xa2: irq 11, address bb:58:90:fc:1b:00 ukphy0 at nfe0 phy 1: Generic IEEE 802.3u media interface, rev. 1: OUI 0x001374, model 0x0002 pciide1 at pci0 dev 8 function 0 "NVIDIA MCP61 SATA" rev 0xa2: DMA pciide1: using irq 15 for native-PCI interrupt wd0 at pciide1 channel 0 drive 0: <ST380215AS> wd0: 16-sector PIO, LBA48, 76319MB, 156301488 sectors wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 5 ppb1 at pci0 dev 9 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci2 at ppb1 bus 2 ppb2 at pci0 dev 11 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci3 at ppb2 bus 3 ppb3 at pci0 dev 12 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci4 at ppb3 bus 4 vga1 at pci0 dev 13 function 0 vendor "NVIDIA", unknown product 0x03d0 rev 0xa2 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pchb0 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00 pchb1 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00 pchb2 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00 pchb3 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00 isa0 at pcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pmsi0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pmsi0 mux 0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 it0 at isa0 port 0x290/8: IT87 npx0 at isa0 port 0xf0/16: using exception 16 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec fd1 at fdc0 drive 1: density unknown biomask ef6d netmask ef6d ttymask ffef pctr: user-level cycle counter enabled dkcsum: wd0 matches BIOS drive 0x80 root on wd0a rootdev=0x0 rrootdev=0x300 rawdev=0x302 WARNING: / was not properly unmounted syncing disks... OpenBSD 4.0 (GENERIC) #1107: Sat Sep 16 19:15:58 MDT 2006 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC cpu0: AMD Sempron(tm) Processor 3000+ ("AuthenticAMD" 686-class, 256KB L2 cache) 1.61 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16 real mem = 267743232 (261468K) avail mem = 236478464 (230936K) using 3293 buffers containing 13488128 bytes (13172K) of memory mainbus0 (root) bios0 at mainbus0: AT/286+(00) BIOS, date 05/01/07, BIOS32 rev. 0 @ 0xf0010, SMBIOS rev. 2.4 @ 0xf06f0 (49 entries) bios0: ASUSTeK Computer INC. M2N-MX SE apm0 at bios0: Power Management spec V1.2 apm0: AC on, battery charge unknown apm0: flags 30102 dobusy 0 doidle 1 pcibios0 at bios0: rev 3.0 @ 0xf0000/0x10000 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf7a40/256 (14 entries) pcibios0: no compatible PCI ICU found: ICU vendor 0x10de product 0x03e0 pcibios0: PCI bus #4 is the last bus bios0: ROM list: 0xc0000/0xee00 0xcf000/0x800 cpu0 at mainbus0 pci0 at mainbus0 bus 0: configuration mode 1 (no bios) vendor "NVIDIA", unknown product 0x03ea (class memory subclass RAM, rev 0xa1) at pci0 dev 0 function 0 not configured pcib0 at pci0 dev 1 function 0 "NVIDIA MCP61 ISA" rev 0xa2 nviic0 at pci0 dev 1 function 1 "NVIDIA MCP61 SMBus" rev 0xa2 iic0 at nviic0 iic1 at nviic0 vendor "NVIDIA", unknown product 0x03f5 (class memory subclass RAM, rev 0xa2) at pci0 dev 1 function 2 not configured ohci0 at pci0 dev 2 function 0 vendor "NVIDIA", unknown product 0x03f1 rev 0xa2: irq 11, version 1.0, legacy support usb0 at ohci0: USB revision 1.0 uhub0 at usb0 uhub0: NVIDIA OHCI root hub, rev 1.00/1.00, addr 1 uhub0: 8 ports with 8 removable, self powered ehci0 at pci0 dev 2 function 1 vendor "NVIDIA", unknown product 0x03f2 rev 0xa2: irq 10 usb1 at ehci0: USB revision 2.0 uhub1 at usb1 uhub1: NVIDIA EHCI root hub, rev 2.00/1.00, addr 1 uhub1: 8 ports with 8 removable, self powered ppb0 at pci0 dev 4 function 0 vendor "NVIDIA", unknown product 0x03f3 rev 0xa1 pci1 at ppb0 bus 1 xl0 at pci1 dev 6 function 0 "3Com 3c905C 100Base-TX" rev 0x74: irq 11, address 00:50:da:0d:c9:90 bmtphy0 at xl0 phy 24: Broadcom 3C905C internal PHY, rev. 6 azalia0 at pci0 dev 5 function 0 vendor "NVIDIA", unknown product 0x03f0 rev 0xa2: irq 11 azalia0: host: High Definition Audio rev. 1.0 azalia0: codec: 0x04x/0x10ec (rev. 1.1), HDA version 1.0 audio0 at azalia0 pciide0 at pci0 dev 6 function 0 "NVIDIA MCP61 IDE" rev 0xa2: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility atapiscsi0 at pciide0 channel 0 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <SONY, CD-RW CRX320EE, RYK4> SCSI0 5/cdrom removable cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 0 pciide0: channel 1 ignored (disabled) nfe0 at pci0 dev 7 function 0 "NVIDIA MCP61 LAN" rev 0xa2: irq 11, address bb:58:90:fc:1b:00 ukphy0 at nfe0 phy 1: Generic IEEE 802.3u media interface, rev. 1: OUI 0x001374, model 0x0002 pciide1 at pci0 dev 8 function 0 "NVIDIA MCP61 SATA" rev 0xa2: DMA pciide1: using irq 15 for native-PCI interrupt wd0 at pciide1 channel 0 drive 0: <ST380215AS> wd0: 16-sector PIO, LBA48, 76319MB, 156301488 sectors wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 5 ppb1 at pci0 dev 9 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci2 at ppb1 bus 2 ppb2 at pci0 dev 11 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci3 at ppb2 bus 3 ppb3 at pci0 dev 12 function 0 "NVIDIA MCP61 PCIE" rev 0xa2 pci4 at ppb3 bus 4 vga1 at pci0 dev 13 function 0 vendor "NVIDIA", unknown product 0x03d0 rev 0xa2 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pchb0 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00 pchb1 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00 pchb2 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00 pchb3 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00 isa0 at pcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pmsi0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pmsi0 mux 0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 it0 at isa0 port 0x290/8: IT87 npx0 at isa0 port 0xf0/16: using exception 16 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec fd1 at fdc0 drive 1: density unknown biomask ef6d netmask ef6d ttymask ffef pctr: user-level cycle counter enabled dkcsum: wd0 matches BIOS drive 0x80 root on wd0a rootdev=0x0 rrootdev=0x300 rawdev=0x302