Hello, I noticed another thread discussing the same controller (SAS1068E) and wanted it to be known the same (hanging) problem exists on the Dell R300. We do not have the slow disk performance discussed on the X4150. The hang is only reliably reproduced after 72 days of uptime. We have about 10 of these devices running and none of them have ever made it to 73 days of uptime without experiencing the complete system hang problem.
Our definition of hang: * ssh - socket connects but no login prompt * carp - still sends out carp messages and stays master * syslog - somehow there are still logs with timestamps after the hang (so it seems the system is still able to write just not read) Basically it seems like everything that doesn't require a read of the disk works. Everything that does require read hangs indefinitely. The only way to restore the box is by cycling the power. For comparison with Florian's post: Writing 1024 MB (dd if=/dev/zero of=test bs=1024 count=1000000): Dell R300 OpenBSD 4.6 amd64: 1024000000 bytes transferred in 9.805 secs (104429546 bytes/sec) Any suggestions are greatly appreciated. -Corey Smith dmesg: OpenBSD 4.6 (GENERIC.MP) #81: Thu Jul 9 21:26:19 MDT 2009 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 3482976256 (3321MB) avail mem = 3366756352 (3210MB) mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.5 @ 0xcfb9c000 (55 entries) bios0: vendor Dell Inc. version "1.3.0" date 08/15/2008 bios0: Dell Inc. PowerEdge R300 acpi0 at bios0: rev 2 acpi0: tables DSDT FACP APIC SPCR HPET MCFG WD__ SLIC ERST HEST BERT EINJ TCPA acpi0: wakeup devices PCI0(S5) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Xeon(R) CPU X3323 @ 2.50GHz, 2500.37 MHz cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,CX16,xTPR,NXE,LONG cpu0: 3MB 64b/line 8-way L2 cache cpu0: apic clock running at 333MHz cpu1 at mainbus0: apid 1 (application processor) cpu1: Intel(R) Xeon(R) CPU X3323 @ 2.50GHz, 2500.00 MHz cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,CX16,xTPR,NXE,LONG cpu1: 3MB 64b/line 8-way L2 cache cpu2 at mainbus0: apid 2 (application processor) cpu2: Intel(R) Xeon(R) CPU X3323 @ 2.50GHz, 2500.00 MHz cpu2: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,CX16,xTPR,NXE,LONG cpu2: 3MB 64b/line 8-way L2 cache cpu3 at mainbus0: apid 3 (application processor) cpu3: Intel(R) Xeon(R) CPU X3323 @ 2.50GHz, 2500.00 MHz cpu3: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,CX16,xTPR,NXE,LONG cpu3: 3MB 64b/line 8-way L2 cache ioapic0 at mainbus0 apid 4 pa 0xfec00000, version 20, 24 pins ioapic0: misconfigured as apic 0, remapped to apid 4 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 5 (PEX4) acpiprt2 at acpi0: bus 7 (PEX6) acpiprt3 at acpi0: bus 1 (SBE4) acpiprt4 at acpi0: bus 2 (SBE5) acpiprt5 at acpi0: bus 10 (COMP) acpicpu0 at acpi0: C3 acpicpu1 at acpi0: C3 acpicpu2 at acpi0: C3 acpicpu3 at acpi0: C3 ipmi at mainbus0 not configured pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel 5100 Host" rev 0x90 ppb0 at pci0 dev 2 function 0 "Intel 5100 PCIE" rev 0x90 pci1 at ppb0 bus 3 ppb1 at pci0 dev 3 function 0 "Intel 5100 PCIE" rev 0x90 pci2 at ppb1 bus 4 ppb2 at pci0 dev 4 function 0 "Intel 5100 PCIE" rev 0x90: apic 4 int 16 (irq 0) pci3 at ppb2 bus 5 mpi0 at pci3 dev 0 function 0 "Symbios Logic SAS1068E" rev 0x08: apic 4 int 16 (irq 15) scsibus0 at mpi0: 112 targets sd0 at scsibus0 targ 0 lun 0: <Dell, VIRTUAL DISK, 1028> SCSI3 0/direct fixed sd0: 152064MB, 512 bytes/sec, 311427072 sec total ses0 at scsibus0 targ 8 lun 0: <DP, BACKPLANE, 1.05> SCSI3 13/enclosure services fixed ppb3 at pci0 dev 5 function 0 "Intel 5100 PCIE" rev 0x90 pci4 at ppb3 bus 6 ppb4 at pci0 dev 6 function 0 "Intel 5100 PCIE" rev 0x90: apic 4 int 16 (irq 0) pci5 at ppb4 bus 7 ppb5 at pci0 dev 7 function 0 "Intel 5100 PCIE" rev 0x90 pci6 at ppb5 bus 8 pchb1 at pci0 dev 16 function 0 "Intel 5100 FSB" rev 0x90 pchb2 at pci0 dev 16 function 1 "Intel 5100 FSB" rev 0x90 pchb3 at pci0 dev 16 function 2 "Intel 5100 FSB" rev 0x90 pchb4 at pci0 dev 17 function 0 "Intel 5100 Reserved" rev 0x90 pchb5 at pci0 dev 19 function 0 "Intel 5100 Reserved" rev 0x90 pchb6 at pci0 dev 21 function 0 "Intel 5100 DDR" rev 0x90 pchb7 at pci0 dev 22 function 0 "Intel 5100 DDR" rev 0x90 ppb6 at pci0 dev 28 function 0 "Intel 82801I PCIE" rev 0x02 pci7 at ppb6 bus 9 ppb7 at pci0 dev 28 function 4 "Intel 82801I PCIE" rev 0x02 pci8 at ppb7 bus 1 bge0 at pci8 dev 0 function 0 "Broadcom BCM5722" rev 0x00, BCM5755 C0 (0xa200): apic 4 int 16 (irq 15), address 00:22:19:b6:06:7f brgphy0 at bge0 phy 1: BCM5722 10/100/1000baseT PHY, rev. 0 ppb8 at pci0 dev 28 function 5 "Intel 82801I PCIE" rev 0x02 pci9 at ppb8 bus 2 bge1 at pci9 dev 0 function 0 "Broadcom BCM5722" rev 0x00, BCM5755 C0 (0xa200): apic 4 int 17 (irq 14), address 00:22:19:b6:06:80 brgphy1 at bge1 phy 1: BCM5722 10/100/1000baseT PHY, rev. 0 uhci0 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x02: apic 4 int 21 (irq 11) uhci1 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x02: apic 4 int 20 (irq 10) uhci2 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x02: apic 4 int 21 (irq 11) ehci0 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x02: apic 4 int 21 (irq 11) usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb9 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0x92 pci10 at ppb9 bus 10 vga1 at pci10 dev 7 function 0 "ATI ES1000" rev 0x02 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) radeondrm0 at vga1: apic 4 int 19 (irq 6) drm0 at radeondrm0 pcib0 at pci0 dev 31 function 0 "Intel 82801IR LPC" rev 0x02 pciide0 at pci0 dev 31 function 2 "Intel 82801I SATA" rev 0x02: DMA, channel 0 configured to native-PCI, channel 1 configured to native-PCI pciide0: using apic 4 int 23 (irq 6) for native-PCI interrupt atapiscsi0 at pciide0 channel 0 drive 1 scsibus1 at atapiscsi0: 2 targets cd0 at scsibus1 targ 0 lun 0: <TSSTcorp, DVD-ROM TS-L333A, D100> ATAPI 5/cdrom removable cd0(pciide0:0:1): using PIO mode 4, Ultra-DMA mode 5 pciide1 at pci0 dev 31 function 5 "Intel 82801I SATA" rev 0x02: DMA, channel 0 wired to native-PCI, channel 1 wired to native-PCI pciide1: using apic 4 int 22 (irq 5) for native-PCI interrupt usb1 at uhci0: USB revision 1.0 uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb2 at uhci1: USB revision 1.0 uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci2: USB revision 1.0 uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com0: console com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo 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 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 mtrr: Pentium Pro MTRR support uhub4 at uhub0 port 5 "Cypress Semiconductor USB2 Hub" rev 2.00/90.15 addr 2 softraid0 at root root on sd0a swap on sd0b dump on sd0b