I have never seen this but I am very interested in this particular instance. Apparently there is an issue with read ahead on mfi that I have never seen before on OpenBSD but other OS' have run into.
Is this reproducible? If so can you try to disable read ahead in CTRL-R (bios)? Thanks, /marco On Mon, Feb 12, 2007 at 11:31:26AM -0500, Alejandro Lozanoff wrote: > Sorry for the message without body, im a little sleepy and hitted the > wrong button... :p > > Ok, > > I had this problem last night on one of our shiny Dell PowerEdge 2950s > with RAID 10 and SAS disks. > For no reason it started screaming "sd0: not queued: error 5" on the > console, the server didnt crash (no core, no trace) but was in an > unresponsive state, i couldnt log on or anything. I was wondering if > this error could be a hardware problem (RAID card maybe?). > The logs dont show anything notorious, there were no heavy IO at the > time of the problem. I'm kind of clueless at what could have been the > problem, a quick search showed some old messages with SCSI cards > problems only. > > This is 4.0 Stable as shown below. > > dmesg follows: > > OpenBSD 4.0-stable (GENERIC) #1: Mon Nov 27 16:23:49 GMT 2006 > [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC > cpu0: Intel(R) Xeon(TM) CPU 3.00GHz ("GenuineIntel" 686-class) 3 GHz > cpu0: > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUS > H,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,CNXT-ID,C > X16 > cpu0: Enhanced SpeedStep disabled by BIOS > real mem = 1072955392 (1047808K) > avail mem = 970735616 (947984K) > using 4256 buffers containing 53751808 bytes (52492K) of memory > mainbus0 (root) > bios0 at mainbus0: AT/286+(00) BIOS, date 06/21/06, BIOS32 rev. 0 @ > 0xffe90, SMBIOS rev. 2.4 @ 0x3ffbc000 (62 entries) > bios0: Dell Inc. PowerEdge 2950 > pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000 > pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfade0/384 (22 entries) > pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 6321ESB LPC" rev 0x00) > pcibios0: PCI bus #16 is the last bus > bios0: ROM list: 0xc0000/0x9000! 0xc9000/0x1000 0xca000/0x1800 > 0xcb800/0x5200 0xec000/0x4000! > ipmi0 at mainbus0: version 2.0 interface KCS iobase 0xca8/8 spacing 4 > cpu0 at mainbus0 > pci0 at mainbus0 bus 0: configuration mode 1 (no bios) > pchb0 at pci0 dev 0 function 0 "Intel 5000X Host" rev 0x12 > ppb0 at pci0 dev 2 function 0 "Intel 5000 PCIE" rev 0x12 > pci1 at ppb0 bus 6 > ppb1 at pci1 dev 0 function 0 "Intel 6321ESB PCIE" rev 0x01 > pci2 at ppb1 bus 7 > ppb2 at pci2 dev 0 function 0 "Intel 6321ESB PCIE" rev 0x01 > pci3 at ppb2 bus 8 > ppb3 at pci3 dev 0 function 0 "ServerWorks PCIE-PCIX" rev 0xc2 > pci4 at ppb3 bus 9 > bnx0 at pci4 dev 0 function 0 "Broadcom BCM5708" rev 0x11: irq 5, > address 00:18:8b:72:c0:fd > brgphy0 at bnx0 phy 1: BCM5708C 10/100/1000baseT PHY, rev. 5 > ppb4 at pci2 dev 1 function 0 "Intel 6321ESB PCIE" rev 0x01 > pci5 at ppb4 bus 10 > ppb5 at pci1 dev 0 function 3 "Intel 6321ESB PCIE-PCIX" rev 0x01 > pci6 at ppb5 bus 11 > ppb6 at pci0 dev 3 function 0 "Intel 5000 PCIE" rev 0x12 > pci7 at ppb6 bus 1 > ppb7 at pci7 dev 0 function 0 "Intel IOP333 PCIE-PCIX" rev 0x00 > pci8 at ppb7 bus 2 > mfi0 at pci8 dev 14 function 0 "Dell PERC 5" rev 0x00: irq 6 > mfi0: logical drives 1, version 5.0.1-0030, 256MB RAM > scsibus0 at mfi0: 1 targets > sd0 at scsibus0 targ 0 lun 0: <DELL, PERC 5/i, 1.00> SCSI3 0/direct fixed > sd0: 278784MB, 278784 cyl, 64 head, 32 sec, 512 bytes/sec, 570949632 sec > total > ppb8 at pci7 dev 0 function 2 "Intel IOP333 PCIE-PCIX" rev 0x00 > pci9 at ppb8 bus 3 > ppb9 at pci0 dev 4 function 0 "Intel 5000 PCIE" rev 0x12 > pci10 at ppb9 bus 12 > ppb10 at pci0 dev 5 function 0 "Intel 5000 PCIE" rev 0x12 > pci11 at ppb10 bus 13 > ppb11 at pci0 dev 6 function 0 "Intel 5000 PCIE" rev 0x12 > pci12 at ppb11 bus 14 > ppb12 at pci0 dev 7 function 0 "Intel 5000 PCIE" rev 0x12 > pci13 at ppb12 bus 15 > pchb1 at pci0 dev 16 function 0 "Intel 5000 Error Reporting" rev 0x12 > pchb2 at pci0 dev 16 function 1 "Intel 5000 Error Reporting" rev 0x12 > pchb3 at pci0 dev 16 function 2 "Intel 5000 Error Reporting" rev 0x12 > pchb4 at pci0 dev 17 function 0 "Intel 5000 Reserved" rev 0x12 > pchb5 at pci0 dev 19 function 0 "Intel 5000 Reserved" rev 0x12 > pchb6 at pci0 dev 21 function 0 "Intel 5000 FBD" rev 0x12 > pchb7 at pci0 dev 22 function 0 "Intel 5000 FBD" rev 0x12 > ppb13 at pci0 dev 28 function 0 "Intel 6321ESB PCIE" rev 0x09 > pci14 at ppb13 bus 4 > ppb14 at pci14 dev 0 function 0 "ServerWorks PCIE-PCIX" rev 0xc2 > pci15 at ppb14 bus 5 > bnx1 at pci15 dev 0 function 0 "Broadcom BCM5708" rev 0x11: irq 5, > address 00:18:8b:72:c0:fb > brgphy1 at bnx1 phy 1: BCM5708C 10/100/1000baseT PHY, rev. 5 > uhci0 at pci0 dev 29 function 0 "Intel 6321ESB USB" rev 0x09: irq 11 > usb0 at uhci0: USB revision 1.0 > uhub0 at usb0 > uhub0: Intel UHCI root hub, rev 1.00/1.00, addr 1 > uhub0: 2 ports with 2 removable, self powered > uhci1 at pci0 dev 29 function 1 "Intel 6321ESB USB" rev 0x09: irq 10 > usb1 at uhci1: USB revision 1.0 > uhub1 at usb1 > uhub1: Intel UHCI root hub, rev 1.00/1.00, addr 1 > uhub1: 2 ports with 2 removable, self powered > uhci2 at pci0 dev 29 function 2 "Intel 6321ESB USB" rev 0x09: irq 11 > usb2 at uhci2: USB revision 1.0 > uhub2 at usb2 > uhub2: Intel UHCI root hub, rev 1.00/1.00, addr 1 > uhub2: 2 ports with 2 removable, self powered > ehci0 at pci0 dev 29 function 7 "Intel 6321ESB USB" rev 0x09: irq 11 > usb3 at ehci0: USB revision 2.0 > uhub3 at usb3 > uhub3: Intel EHCI root hub, rev 2.00/1.00, addr 1 > uhub3: 6 ports with 6 removable, self powered > ppb15 at pci0 dev 30 function 0 "Intel 82801BA AGP" rev 0xd9 > pci16 at ppb15 bus 16 > vga1 at pci16 dev 13 function 0 "ATI ES1000" rev 0x02 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > ichpcib0 at pci0 dev 31 function 0 "Intel 6321ESB LPC" rev 0x09: PM disabled > pciide0 at pci0 dev 31 function 1 "Intel 6321ESB IDE" rev 0x09: DMA, > channel 0 configured to compatibility, channel 1 configured to > compatibility > atapiscsi0 at pciide0 channel 0 drive 0 > scsibus1 at atapiscsi0: 2 targets > cd0 at scsibus1 targ 0 lun 0: <HL-DT-ST, CD-ROM GCR-8240N, 1.10> SCSI0 > 5/cdrom removable > cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 > pciide0: channel 1 ignored (disabled) > isa0 at ichpcib0 > 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 > pcppi0 at isa0 port 0x61 > midi0 at pcppi0: <PC speaker> > spkr0 at pcppi0 > npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 > pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo > biomask ffc5 netmask ffe5 ttymask ffe7 > pctr: user-level cycle counter enabled > uhub4 at uhub3 port 5 > uhub4: Cypress Semiconductor USB2 Hub, rev 2.00/0.0b, addr 2 > uhub4: 4 ports with 4 removable, self powered, multiple transaction > translators > uhidev0 at uhub1 port 1 configuration 1 interface 0 > uhidev0: CHESEN PS2 to USB Converter, rev 1.10/0.10, addr 2, iclass 3/1 > ukbd0 at uhidev0: 8 modifier keys, 6 key codes > wskbd1 at ukbd0 mux 1 > wskbd1: connecting to wsdisplay0 > uhidev1 at uhub1 port 1 configuration 1 interface 1 > uhidev1: CHESEN PS2 to USB Converter, rev 1.10/0.10, addr 2, iclass 3/1 > uhidev1: 3 report ids > ums0 at uhidev1 reportid 1: 5 buttons and Z dir. > wsmouse0 at ums0 mux 0 > uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0 > uhid1 at uhidev1 reportid 3: input=3, output=0, feature=0 > dkcsum: sd0 matches BIOS drive 0x80 > root on sd0a > rootdev=0x400 rrootdev=0xd00 rawdev=0xd02 > WARNING: / was not properly unmounted