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Date: Thu, 3 May 2001 06:33:19 -0700 (PDT)
From: lele@windmill.it
To: freebsd-gnats-submit@FreeBSD.org
Subject: (symbios) SCSI subsystem hangs under heavy load on (Serverworks) SMP  
X-Send-Pr-Version: www-1.0

>Number:         27059
>Category:       kern
>Synopsis:       [sym] SCSI subsystem hangs under heavy load on (Serverworks) SMP
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-scsi
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu May 03 06:40:01 PDT 2001
>Closed-Date:    Tue Mar 27 19:40:48 GMT 2007
>Last-Modified:  Tue Mar 27 19:40:48 GMT 2007
>Originator:     Lele Forzani
>Release:        FreeBSD 4.3-RELEASE
>Organization:
Intercom s.r.l.
>Environment:
FreeBSD deimos.intercom.it 4.3-RELEASE FreeBSD 4.3-RELEASE #0: Thu May  3 01:44:05 CEST 2001  root@deimos.intercom.it:/usr/src/sys/compile/IBNETWORK-SMP i386
>Description:
When the system is under a heavy disk load the SCSI subsystem becomes completely irresponsive. The network stays up and processes continue to run as long the do not require access to the scsi disks.
Nothing is logged or displayed on the console.
Uniprocessor kernel with the same configuration run stable for weeks.
4.2-R had the same problem.



The mainboard is ASUS CUR-DLS


May  3 01:48:19 deimos /kernel: Copyright (c) 1992-2001 The FreeBSD Project.
May  3 01:48:19 deimos /kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
May  3 01:48:19 deimos /kernel: The Regents of the University of California. All rights reserved.
May  3 01:48:19 deimos /kernel: FreeBSD 4.3-RELEASE #0: Thu May  3 01:44:05 CEST 2001
May  3 01:48:19 deimos /kernel: root@deimos.intercom.it:/usr/src/sys/compile/IBNETWORK-SMP
May  3 01:48:19 deimos /kernel: Timecounter "i8254"  frequency 1193182 Hz
May  3 01:48:19 deimos /kernel: CPU: Pentium III/Pentium III Xeon/Celeron (800.03-MHz 686-class CPU)
May  3 01:48:19 deimos /kernel: Origin = "GenuineIntel"  Id = 0x686  Stepping = 6
May  3 01:48:19 deimos /kernel: Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE>
May  3 01:48:19 deimos /kernel: real memory  = 536850432 (524268K bytes)
May  3 01:48:19 deimos /kernel: avail memory = 518393856 (506244K bytes)
May  3 01:48:19 deimos /kernel: Programming 16 pins in IOAPIC #0
May  3 01:48:19 deimos /kernel: IOAPIC #0 intpin 2 -> irq 0
May  3 01:48:19 deimos /kernel: Programming 16 pins in IOAPIC #1
May  3 01:48:19 deimos /kernel: FreeBSD/SMP: Multiprocessor motherboard
May  3 01:48:19 deimos /kernel: cpu0 (BSP): apic id:  3, version: 0x00040011, at 0xfee00000
May  3 01:48:19 deimos /kernel: cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000
May  3 01:48:19 deimos /kernel: io0 (APIC): apic id:  4, version: 0x000f0011, at 0xfec00000
May  3 01:48:19 deimos /kernel: io1 (APIC): apic id:  5, version: 0x000f0011, at 0xfec01000
May  3 01:48:19 deimos /kernel: Preloaded elf kernel "kernel" at 0xc036e000.
May  3 01:48:19 deimos /kernel: Preloaded userconfig_script "/boot/kernel.conf" at 0xc036e09c.
May  3 01:48:19 deimos /kernel: Pentium Pro MTRR support enabled
May  3 01:48:19 deimos /kernel: md0: Malloc disk
May  3 01:48:19 deimos /kernel: npx0: <math processor> on motherboard
May  3 01:48:19 deimos /kernel: npx0: INT 16 interface
May  3 01:48:19 deimos /kernel: pcib0: <ServerWorks NB6635 3.0LE host to PCI bridge> on motherboard
May  3 01:48:19 deimos /kernel: IOAPIC #1 intpin 4 -> irq 2
May  3 01:48:19 deimos /kernel: IOAPIC #1 intpin 14 -> irq 5
May  3 01:48:19 deimos /kernel: pci0: <PCI bus> on pcib0
May  3 01:48:19 deimos /kernel: fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xd800-0xd83f mem 0xfd800000-0xfd8fffff,0xfe000000-0xfe000fff irq 2 at device 2.0 on pci0
May  3 01:48:19 deimos /kernel: fxp0: Ethernet address 00:e0:18:04:96:d8
May  3 01:48:19 deimos /kernel: pci0: <ATI Mach64-GR graphics accelerator> at 7.0
May  3 01:48:19 deimos /kernel: isab0: <ServerWorks IB6566 PCI to ISA bridge> at device 15.0 on pci0
May  3 01:48:19 deimos /kernel: isa0: <ISA bus> on isab0
May  3 01:48:19 deimos /kernel: atapci0: <ServerWorks ROSB4 ATA33 controller> port 0xd000-0xd00f at device 15.1 on pci0
May  3 01:48:19 deimos /kernel: ata0: at 0x1f0 irq 14 on atapci0
May  3 01:48:19 deimos /kernel: ata1: at 0x170 irq 15 on atapci0
May  3 01:48:19 deimos /kernel: ohci0: <OHCI (generic) USB controller> mem 0xfb000000-0xfb000fff irq 5 at device 15.2 on pci0
May  3 01:48:19 deimos /kernel: usb0: OHCI version 1.0, legacy support
May  3 01:48:19 deimos /kernel: usb0: <OHCI (generic) USB controller> on ohci0
May  3 01:48:19 deimos /kernel: usb0: USB revision 1.0
May  3 01:48:19 deimos /kernel: uhub0: (unknown) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
May  3 01:48:19 deimos /kernel: uhub0: 4 ports with 4 removable, self powered
May  3 01:48:19 deimos /kernel: pcib1: <ServerWorks NB6635 3.0LE host to PCI bridge> on motherboard
May  3 01:48:19 deimos /kernel: IOAPIC #1 intpin 8 -> irq 6
May  3 01:48:19 deimos /kernel: IOAPIC #1 intpin 9 -> irq 10
May  3 01:48:19 deimos /kernel: pci1: <PCI bus> on pcib1
May  3 01:48:19 deimos /kernel: sym0: <896> port 0xb800-0xb8ff mem 0xfa000000-0xfa001fff,0xfa800000-0xfa8003ff irq 6 at device 5.0 on pci1
May  3 01:48:19 deimos /kernel: sym0: Symbios NVRAM, ID 7, Fast-40, SE, parity checking
May  3 01:48:19 deimos /kernel: sym0: open drain IRQ line driver, using on-chip SRAM
May  3 01:48:19 deimos /kernel: sym0: using LOAD/STORE-based firmware.
May  3 01:48:19 deimos /kernel: sym0: handling phase mismatch from SCRIPTS.
May  3 01:48:19 deimos /kernel: sym0: SCAN AT BOOT disabled for targets 1 2 3 4 5 6 8 9 10 11 12 13 14 15.
May  3 01:48:19 deimos /kernel: sym1: <896> port 0xb400-0xb4ff mem 0xf9000000-0xf9001fff,0xf9800000-0xf98003ff irq 10 at device 5.1 on pci1
May  3 01:48:19 deimos /kernel: sym1: Symbios NVRAM, ID 7, Fast-40, LVD, parity checking
May  3 01:48:19 deimos /kernel: sym1: open drain IRQ line driver, using on-chip SRAM
May  3 01:48:19 deimos /kernel: sym1: using LOAD/STORE-based firmware.
May  3 01:48:19 deimos /kernel: sym1: handling phase mismatch from SCRIPTS.
May  3 01:48:19 deimos /kernel: sym1: SCAN AT BOOT disabled for targets 0 1 2 3 4 6 8 9 10 11 12 13 14 15.
May  3 01:48:19 deimos /kernel: fdc0: cannot reserve interrupt line
May  3 01:48:19 deimos /kernel: atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
May  3 01:48:19 deimos /kernel: atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
May  3 01:48:19 deimos /kernel: kbd0 at atkbd0
May  3 01:48:19 deimos /kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
May  3 01:48:19 deimos /kernel: psm0: model Generic PS/2 mouse, device ID 0
May  3 01:48:19 deimos /kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
May  3 01:48:19 deimos /kernel: sc0: <System console> at flags 0x100 on isa0
May  3 01:48:19 deimos /kernel: sc0: VGA <16 virtual consoles, flags=0x300>
May  3 01:48:19 deimos /kernel: sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
May  3 01:48:19 deimos /kernel: sio0: type 16550A
May  3 01:48:19 deimos /kernel: sio1 at port 0x2f8-0x2ff irq 3 on isa0
May  3 01:48:19 deimos /kernel: sio1: type 16550A
May  3 01:48:19 deimos /kernel: ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
May  3 01:48:19 deimos /kernel: ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
May  3 01:48:19 deimos /kernel: ppc0: FIFO with 16/16/8 bytes threshold
May  3 01:48:19 deimos /kernel: lpt0: <Printer> on ppbus0
May  3 01:48:19 deimos /kernel: lpt0: Interrupt-driven port
May  3 01:48:19 deimos /kernel: ppi0: <Parallel I/O> on ppbus0
May  3 01:48:19 deimos /kernel: APIC_IO: Testing 8254 interrupt delivery
May  3 01:48:19 deimos /kernel: APIC_IO: Broken MP table detected: 8254 is not connected to IOAPIC #0 intpin 2
May  3 01:48:19 deimos /kernel: APIC_IO: routing 8254 via 8259 and IOAPIC #0 intpin 0
May  3 01:48:19 deimos /kernel: SMP: AP CPU #1 Launched!
May  3 01:48:19 deimos /kernel: ad0: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata0-master UDMA33
May  3 01:48:19 deimos /kernel: acd0: CDROM <MATSHITA CR-586> at ata1-master using PIO4
May  3 01:48:19 deimos /kernel: Waiting 15 seconds for SCSI devices to settle
May  3 01:48:19 deimos /kernel: (noperiph:sym0:0:-1:-1): SCSI BUS reset delivered.
May  3 01:48:19 deimos /kernel: (noperiph:sym1:0:-1:-1): SCSI BUS reset delivered.
May  3 01:48:19 deimos /kernel: sa0 at sym1 bus 0 target 5 lun 0
May  3 01:48:19 deimos /kernel: sa0: <OnStream ADR50 Drive 2.33> Removable Sequential Access SCSI-2 device
May  3 01:48:19 deimos /kernel: sa0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit)
May  3 01:48:19 deimos /kernel: da0 at sym0 bus 0 target 0 lun 0
May  3 01:48:19 deimos /kernel: da0: <ACS 8600  > Fixed Direct Access SCSI-2 device
May  3 01:48:19 deimos /kernel: da0: 40.000MB/s transfers (20.000MHz, offset 16, 16bit), Tagged Queueing Enabled
May  3 01:48:19 deimos /kernel: da0: 156320MB (320143360 512 byte sectors: 255H 63S/T 19928C)
May  3 01:48:19 deimos /kernel: Mounting root from ufs:/dev/da0s1a
>How-To-Repeat:
Just cp or tar of a large amount of data from the scsi disks, usually hangs in few minutes. Reading from the scsi disk is enough (it's not necessary to write)
>Fix:

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: mjacob 
State-Changed-When: Mon Oct 1 19:08:20 PDT 2001 
State-Changed-Why:  
Is this still a problem? 


Responsible-Changed-From-To: freebsd-bugs->groudier 
Responsible-Changed-By: mjacob 
Responsible-Changed-When: Mon Oct 1 19:08:20 PDT 2001 
Responsible-Changed-Why:  
Gerard's driver 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=27059 
Responsible-Changed-From-To: groudier->freebsd-bugs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Thu Aug 26 03:13:20 GMT 2004 
Responsible-Changed-Why:  
With bugmeister hat on, reassign from inactive committer. 

Is this still a problem with modern versions of FreeBSD? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=27059 
Responsible-Changed-From-To: freebsd-bugs->freebsd-scsi 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Thu Aug 26 19:30:48 GMT 2004 
Responsible-Changed-Why:  
Reassign to appropriate mailing list. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=27059 

From: Mark Linimon <linimon@lonesome.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc: lele@windmill.it
Subject: Re: kern/27059: (symbios) SCSI subsystem hangs under heavy load on
 (Serverworks) SMP
Date: Thu, 26 Aug 2004 14:47:29 -0500 (CDT)

 Does this problem still recur on modern versions of FreeBSD?
 
 

From: "David Grant" <david@canweb.ca>
To: <freebsd-gnats-submit@freebsd.org>, <lele@windmill.it>
Cc:  
Subject: Re: kern/27059: (symbios) SCSI subsystem hangs under heavy load on (Serverworks) SMP
Date: Thu, 7 Oct 2004 15:20:51 -0400

 This is a multi-part message in MIME format.
 
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 This still appears on 4.10 and 5.2.1.  I've also tried installing an Adaptec
 2940 (ahc) card and had similar lockups.  Large disk copies between IDE and
 USB drives seemed to be OK.
 
  
 
 I've got some ASUS AP1400R servers with CUR-DLS motherboards that experience
 this.  I can make one available for testing if there is any interest.
 
  
 
 Dave
 
  
 
 ----
 
 David Grant,    
 
 CanWeb Internet Services
 
  
 
 
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 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'>This still appears on 4.10 and 5.2.1.&nbsp; I&#8217;ve also =
 tried
 installing an Adaptec 2940 (ahc) card and had similar lockups.&nbsp; =
 Large disk
 copies between IDE and USB drives seemed to be =
 OK.<o:p></o:p></span></font></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'><o:p>&nbsp;</o:p></span></font></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'>I&#8217;ve got some ASUS AP1400R servers with CUR-DLS =
 motherboards that
 experience this.&nbsp; I can make one available for testing if there is =
 any
 interest.<o:p></o:p></span></font></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'><o:p>&nbsp;</o:p></span></font></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'>Dave</span></font><span lang=3DEN-CA><o:p></o:p></span></p>
 
 <p class=3DMsoNormal><font size=3D3 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 12.0pt'>&nbsp;<o:p></o:p></span></font></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'>----</span></font><span lang=3DEN-CA><o:p></o:p></span></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'>David Grant,&nbsp;&nbsp;&nbsp;&nbsp;</span></font><span =
 lang=3DEN-CA><o:p></o:p></span></p>
 
 <p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 10.0pt'>CanWeb Internet Services</span></font><span =
 lang=3DEN-CA><o:p></o:p></span></p>
 
 <p class=3DMsoNormal><font size=3D3 face=3DArial><span lang=3DEN-CA =
 style=3D'font-size:
 12.0pt'><o:p>&nbsp;</o:p></span></font></p>
 
 </div>
 
 </body>
 
 </html>
 
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From: "Thomas M. Hermann" <Thomas.Hermann@wichita.edu>
To: freebsd-gnats-submit@FreeBSD.org, lele@windmill.it
Cc:  
Subject: Re: kern/27059: (symbios) SCSI subsystem hangs under heavy load on
	(Serverworks) SMP
Date: Tue, 25 Jan 2005 08:44:29 -0600

 I'm running FreeBSD 5.3 SMP on a Dell Precision 530 and have experienced
 similar behavior. Please email me if I can help resolve this issue.
 
 Copyright (c) 1992-2004 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 5.3-RELEASE-p5 #3: Mon Jan 24 08:28:42 CST 2005
     root@:/usr/obj/usr/src/sys/ORVILLE
 ACPI APIC Table: <DELL   WS 530 >
 Timecounter "i8254" frequency 1193182 Hz quality 0
 CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2791.53-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0xf27  Stepping = 7
 
 Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
   Hyperthreading: 2 logical CPUs
 real memory  = 1073180672 (1023 MB)
 avail memory = 1036431360 (988 MB)
 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
  cpu0 (BSP): APIC ID:  0
  cpu1 (AP): APIC ID:  2
 ioapic0: Changing APIC ID to 2
 ioapic0 <Version 2.0> irqs 0-23 on motherboard
 npx0: [FAST]
 npx0: <math processor> on motherboard
 npx0: INT 16 interface
 acpi0: <DELL WS 530 > on motherboard
 acpi0: Power Button (fixed)
 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
 cpu0: <ACPI CPU> on acpi0
 cpu1: <ACPI CPU> on acpi0
 acpi_button0: <Power Button> on acpi0
 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
 pci0: <ACPI PCI bus> on pcib0
 pcib1: <PCI-PCI bridge> at device 1.0 on pci0
 pci1: <PCI bus> on pcib1
 nvidia0: <Quadro4 700 XGL> mem
 0xf3f80000-0xf3ffffff,0xf4000000-0xf7ffffff,0xfc000000-0xfcffffff irq 16
 at device 0.0 on pci1
 nvidia0: [GIANT-LOCKED]
 pcib2: <ACPI PCI-PCI bridge> at device 2.0 on pci0
 pci2: <ACPI PCI bus> on pcib2
 pcib3: <ACPI PCI-PCI bridge> at device 31.0 on pci2
 pci3: <ACPI PCI bus> on pcib3
 pci3: <base peripheral, interrupt controller> at device 0.0 (no driver
 attached)
 mpt0: <LSILogic 1030 Ultra4 Adapter> port 0xec00-0xecff mem
 0xfe4a0000-0xfe4bffff,0xfe4c0000-0xfe4dffff irq 20 at device 12.0 on
 pci3
 mpt0: [GIANT-LOCKED]
 mpt1: <LSILogic 1030 Ultra4 Adapter> port 0xe800-0xe8ff mem
 0xfe460000-0xfe47ffff,0xfe480000-0xfe49ffff irq 21 at device 12.1 on
 pci3
 mpt1: [GIANT-LOCKED]
 pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
 pci4: <ACPI PCI bus> on pcib4
 xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xdc80-0xdcff mem
 0xfe1ffc00-0xfe1ffc7f irq 23 at device 11.0 on pci4
 miibus0: <MII bus> on xl0
 ukphy0: <Generic IEEE 802.3u media interface> on miibus0
 ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 xl0: Ethernet address: 00:08:74:39:6e:03
 pci4: <serial bus, FireWire> at device 12.0 (no driver attached)
 pcm0: <Creative EMU10K1> port 0xdc60-0xdc7f irq 17 at device 13.0 on
 pci4
 pcm0: <TriTech TR28602 AC97 Codec>
 isab0: <PCI-ISA bridge> at device 31.0 on pci0
 isa0: <ISA bus> on isab0
 atapci0: <Intel ICH2 UDMA100 controller> port
 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
 ata0: channel #0 on atapci0
 ata1: channel #1 on atapci0
 uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port
 0xff80-0xff9f irq 19 at device 31.2 on pci0
 uhci0: [GIANT-LOCKED]
 usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> 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
 ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/18.00, addr 2, iclass
 3/1
 ums0: 7 buttons and Z dir.
 pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
 uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
 0xff60-0xff7f irq 23 at device 31.4 on pci0
 uhci1: [GIANT-LOCKED]
 usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
 usb1: USB revision 1.0
 uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on
 acpi0
 fdc0: [FAST]
 fd0: <1440-KB 3.5" drive> on fdc0 drive 0
 atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
 atkbd0: <AT Keyboard> irq 1 on atkbdc0
 kbd0 at atkbd0
 atkbd0: [GIANT-LOCKED]
 sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
 acpi0
 sio0: type 16550A
 sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
 sio1: type 16550A
 ppc0: <ECP parallel printer port> port 0x778-0x77f,0x378-0x37f irq 7 on
 acpi0
 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
 ppc0: FIFO with 16/16/8 bytes threshold
 ppbus0: <Parallel port bus> on ppc0
 plip0: <PLIP network interface> on ppbus0
 lpt0: <Printer> on ppbus0
 lpt0: Interrupt-driven port
 ppi0: <Parallel I/O> on ppbus0
 pmtimer0 on isa0
 orm0: <ISA Option ROMs> at iomem
 0xd2000-0xd3fff,0xce000-0xd1fff,0xc0000-0xcdfff on isa0
 sc0: <System console> at flags 0x100 on isa0
 sc0: VGA <16 virtual consoles, flags=0x300>
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
 isa0
 Timecounters tick every 10.000 msec
 acd0: CDROM <Lite-On LTN486S 48x Max/YDS4> at ata1-master UDMA33
 acd1: CDRW <PHILIPS DVD+RW-D28/1.29> at ata1-slave UDMA33
 Waiting 15 seconds for SCSI devices to settle
 SMP: AP CPU #1 Launched!
 da0 at mpt1 bus 0 target 0 lun 0
 da0: <SEAGATE ST336732LW 2223> Fixed Direct Access SCSI-3 device 
 da0: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged
 Queueing Enabled
 da0: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
 da1 at mpt1 bus 0 target 1 lun 0
 da1: <FUJITSU MAP3147NP 5605> Fixed Direct Access SCSI-3 device 
 da1: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
 Queueing Enabled
 da1: 140014MB (286749480 512 byte sectors: 255H 63S/T 17849C)
 Mounting root from ufs:/dev/da0s1a
 
 Thank you,
 
 Tom H.
 
 -- 
 --------------------------
 -- Thomas M. Hermann
 -- Research Associate
 -- NIAR
 --------------------------
 
State-Changed-From-To: feedback->open 
State-Changed-By: linimon 
State-Changed-When: Mon Mar 21 06:42:27 GMT 2005 
State-Changed-Why:  
Feedback was received some time ago. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=27059 

From: Harrison Grundy <astrodog@gmail.com>
To: bug-followup@FreeBSD.org,  lele@windmill.it
Cc:  
Subject: Re: kern/27059: [sym] SCSI subsystem hangs under heavy load on (Serverworks)
 SMP
Date: Tue, 27 Mar 2007 10:33:02 -0500

 Just confirming that this still occurs. Have you tried updating the 
 BIOS/Firmware/etc of your system?
State-Changed-From-To: open->closed 
State-Changed-By: remko 
State-Changed-When: Tue Mar 27 19:40:46 UTC 2007 
State-Changed-Why:  
The submitter informed Harrison that he no longer has the hardware, this 
was problably a old firmware issue. Closing the ticket (Thanks submitter 
and Harrison) 

http://www.freebsd.org/cgi/query-pr.cgi?pr=27059 
>Unformatted:
