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Date:      Fri, 7 Jun 2002 09:32:47 -0700 (PDT)
From:      Frank Mayhar <frank@exit.com>
To:        stable@freebsd.org
Cc:        hackers@freebsd.org
Subject:   Re: Numerous hard hangs on TWO different ASUS P4T-E w/P4 1.6G
Message-ID:  <200206071632.g57GWlFU099531@realtime.exit.com>
In-Reply-To: <20020607180239.C5061@cscoms.net>

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I'm experiencing hangs as well.  At first I thought it was the fxp0/sym
driver thing, but I've since changed hardware almost completely and the
hangs persis.  I'm now strongly suspecting some kind of interrupt problem.
For the record, I've attached my dmesg output.  This is a dual AMD MP 1900+
(1.6 GHz) Tyan 2466N-4M system.  3Com xl0 ethernet, Adaptec 39160 and 3940
SCSI, Creative Soundblaster Live! audio, Radeon 8500 128MB video (XFree86
4.2).  2GB DDR memory.

I see very common short-term hangs, a few seconds to less than a minute.
The mouse and keyboard stop responding, X stops updating and everything
just pauses, the whole system (including the network).  It then starts
back up, often dropping keyboard or mouse data.  Once in a while (not
sure how often, but at least every couple of days) it hangs solid and
never comes back.  Totally unresponsive.  This invariably requires a
hard reset.

This is a busy system.  Near-constant load on the network (some 40-100KB/s),
lots of disk accesses.  Seems worse when network and/or SCSI load is high.

Dmesg output follows.  If there's anything I can do to help diagnose this
problem, please let me know...
-- 
Frank Mayhar frank@exit.com	http://www.exit.com/
Exit Consulting                 http://www.gpsclock.com/

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Copyright (c) 1992-2002 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 4.6-RC #21: Thu May 23 15:24:24 PDT 2002
    frank@realtime.exit.com:/usr/src/sys/compile/REALTIME
Timecounter "i8254"  frequency 1193182 Hz
CPU: AMD Athlon(tm) MP 1900+ (1600.07-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x662  Stepping = 2
  Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
  AMD Features=0xc0480000<<b19>,AMIE,DSP,3DNow!>
real memory  = 2146959360 (2096640K bytes)
config> q
avail memory = 2086846464 (2037936K bytes)
Programming 24 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
FreeBSD/SMP: Multiprocessor motherboard
 cpu0 (BSP): apic id:  1, version: 0x00040010, at 0xfee00000
 cpu1 (AP):  apic id:  0, version: 0x00040010, at 0xfee00000
 io0 (APIC): apic id:  2, version: 0x00170011, at 0xfec00000
Preloaded elf kernel "kernel" at 0xc042a000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc042a09c.
Preloaded elf module "umap.ko" at 0xc042a0ec.
link_elf: symbol null_bypass undefined
Pentium Pro MTRR support enabled
Using $PIR table, 12 entries at 0xc00fdf00
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <PCI to PCI bridge (vendor=1022 device=700d)> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <ATI Radeon QL ATI Radeon 8500 graphics accelerator> at 5.0 irq 11
isab0: <PCI to ISA bridge (vendor=1022 device=7440)> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <AMD 768 ATA100 controller> port 0xf000-0xf00f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
chip1: <PCI to Other bridge (vendor=1022 device=7443)> at device 7.3 on pci0
ahc0: <Adaptec 3960D Ultra160 SCSI adapter> port 0x1000-0x10ff mem 0xc0000000-0xc0000fff irq 5 at device 9.0 on pci0
aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
ahc1: <Adaptec 3960D Ultra160 SCSI adapter> port 0x1400-0x14ff mem 0xc0001000-0xc0001fff irq 11 at device 9.1 on pci0
aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
pcib2: <PCI to PCI bridge (vendor=1022 device=7448)> at device 16.0 on pci0
pci2: <PCI bus> on pcib2
ohci0: <OHCI (generic) USB controller> mem 0xc0200000-0xc0200fff irq 10 at device 0.0 on pci2
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: (unknown) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
pcib3: <DEC 21050 PCI-PCI bridge> at device 6.0 on pci2
pci3: <PCI bus> on pcib3
ahc2: <Adaptec 3940 Ultra SCSI adapter> port 0x4000-0x40ff mem 0xc0300000-0xc0300fff irq 11 at device 4.0 on pci3
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
ahc3: <Adaptec 3940 Ultra SCSI adapter> port 0x4400-0x44ff mem 0xc0301000-0xc0301fff irq 10 at device 5.0 on pci3
aic7880: Ultra Wide Channel B, SCSI Id=7, 16/253 SCBs
pcm0: <Creative EMU10K1> port 0x3080-0x309f irq 10 at device 7.0 on pci2
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x3000-0x307f mem 0xc0201000-0xc020107f irq 10 at device 8.0 on pci2
xl0: Ethernet address: 00:e0:81:20:cc:de
miibus0: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
orm0: <Option ROMs> at iomem 0xc0000-0xccfff,0xcd000-0xcd7ff,0xdc000-0xdffff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> on isa0
sc0: VGA <4 virtual consoles, flags=0x200>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/9 bytes threshold
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
unknown: <PNP0303> can't assign resources
unknown: <PNP0c02> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0f13> can't assign resources
unknown: <PNP0401> can't assign resources
unknown: <PNP0700> can't assign resources
IPsec: Initialized Security Association Processing.
Waiting 8 seconds for SCSI devices to settle
SMP: AP CPU #1 Launched!
sa0 at ahc0 bus 0 target 5 lun 0
sa0: <Seagate STT20000N 6A51> Removable Sequential Access SCSI-2 device 
sa0: 10.000MB/s transfers (10.000MHz, offset 15)
da9 at ahc1 bus 0 target 9 lun 0
da9: <QUANTUM ATLAS IV 18 WLS 0909> Fixed Direct Access SCSI-3 device 
da9: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da9: 17522MB (35885168 512 byte sectors: 255H 63S/T 2233C)
da2 at ahc1 bus 0 target 2 lun 0
da2: <HP 36.4GB A 80-F313 > Fixed Direct Access SCSI-2 device 
da2: 80.000MB/s transfers (40.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da2: 34732MB (71132960 512 byte sectors: 255H 63S/T 4427C)
da1 at ahc1 bus 0 target 1 lun 0
da1: <FUJITSU MAF3364L SUN36G 1213> Fixed Direct Access SCSI-2 device 
da1: 80.000MB/s transfers (40.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da1: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
da0 at ahc1 bus 0 target 0 lun 0
da0: <FUJITSU MAF3364L SUN36G 1213> Fixed Direct Access SCSI-2 device 
da0: 80.000MB/s transfers (40.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da0: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
da112 at ahc0 bus 0 target 12 lun 0
da112: <IBM DGHS09U 0350> Fixed Direct Access SCSI-3 device 
da112: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled
da112: 8748MB (17916240 512 byte sectors: 64H 32S/T 8748C)
da115 at ahc0 bus 0 target 15 lun 0
da115: <IBM-PSG DRHS36D       !# 0272> Fixed Direct Access SCSI-3 device 
da115: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled
da115: 34715MB (71096640 512 byte sectors: 64H 32S/T 34715C)
da113 at ahc0 bus 0 target 13 lun 0
da113: <SEAGATE SX150176LC BA0F> Fixed Direct Access SCSI-2 device 
da113: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled
da113: 47702MB (97693755 512 byte sectors: 64H 32S/T 47702C)
da8 at ahc1 bus 0 target 8 lun 0
da8: <FUJITSU MAF3364L SUN36G 1213> Fixed Direct Access SCSI-2 device 
da8: 80.000MB/s transfers (40.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da8: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
da203 at ahc2 bus 0 target 3 lun 0
da203: <COMPAQ HB00931931 03F1> Fixed Direct Access SCSI-3 device 
da203: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da203: 8678MB (17773500 512 byte sectors: 255H 63S/T 1106C)
da205 at ahc2 bus 0 target 5 lun 0
da205: <COMPAQ DGHS09Y 01C0> Fixed Direct Access SCSI-3 device 
da205: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da205: 8678MB (17773500 512 byte sectors: 255H 63S/T 1106C)
da204 at ahc2 bus 0 target 4 lun 0
da204: <COMPAQ DGHS09Y 01C0> Fixed Direct Access SCSI-3 device 
da204: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da204: 8678MB (17773500 512 byte sectors: 255H 63S/T 1106C)
da200 at ahc2 bus 0 target 0 lun 0
da200: <COMPAQ ST19171WC 9A10> Fixed Direct Access SCSI-2 device 
da200: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da200: 8678MB (17773500 512 byte sectors: 255H 63S/T 1106C)
da305 at ahc3 bus 0 target 5 lun 0
da305: <COMPAQ HD0093172C 3208> Fixed Direct Access SCSI-2 device 
da305: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled
da305: 8678MB (17773500 512 byte sectors: 255H 63S/T 1106C)
da303 at ahc3 bus 0 target 3 lun 0
da303: <COMPAQ ST15150W 6216> Fixed Direct Access SCSI-2 device 
da303: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled
da303: 4094MB (8386000 512 byte sectors: 255H 63S/T 522C)
cd1 at ahc0 bus 0 target 3 lun 0
cd1: <YAMAHA CRW8424S 1.0j> Removable CD-ROM SCSI-2 device 
cd1: 20.000MB/s transfers (20.000MHz, offset 15)
cd1: cd present [1 x 2048 byte records]
Mounting root from ufs:/dev/da0s1a
da201 at ahc2 bus 0 target 1 lun 0
da201: <IBM OEM DCHS09U 6363> Fixed Direct Access SCSI-2 device 
da201: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da201: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
cd0 at ahc0 bus 0 target 1 lun 0
cd0: <TOSHIBA DVD-ROM SD-M1401 1007> Removable CD-ROM SCSI-2 device 
cd0: 20.000MB/s transfers (20.000MHz, offset 16)
cd0: cd present [4020288 x 2048 byte records]

--ELM1023467567-97776-0_--

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