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Date:      Fri, 8 Aug 1997 14:29:08 +0200 (SAT)
From:      Russell Vincent <rv@groa.uct.ac.za>
To:        jwd@unx.sas.com (John W. DeBoskey)
Cc:        freebsd-current@freebsd.org, freebsd-smp@freebsd.org
Subject:   Re: scsi time-out & lockup under smp
Message-ID:  <E0wwoAG-0006sF-00@groa.uct.ac.za>
In-Reply-To: <199708081208.AA04989@iluvatar.unx.sas.com> from "John W. DeBoskey" at Aug 8, 97 08:08:50 am

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John W. DeBoskey wrote:
>    I have the 3.0-970731-SNAP installed on a Dell PowerEdge 6100/200,
> four processor machine. The problem occurs on either of the two
> aic7880 onboard scsi devices, or a 2940 adapter board, when in 
> multi-proccessor mode. Anywhere from 5 to 60 minutes after booting
> the machine, it freezes with the following messages on the console:

I was just about to report the exact same problem. A kernel
from before mid-July (sorry, don't have the exact date) works
fine. Kernels in the last week have all exhibited the same
problem - I have tried various up until yesterday.

The disk errors only start after some time (30 minutes
to a few hours) and with heavy disk and CPU usage.

My dmesg appended.

 -Russell

---------------------------------------------------------------
Copyright (c) 1992-1997 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
	The Regents of the University of California. All rights reserved.
FreeBSD 3.0-CURRENT #0: Tue Jul 22 10:43:10 SAT 1997
    root@disa.uni.net.za:/usr/src/sys/compile/UNINET
CPU: Pentium (586-class CPU)
  Origin = "GenuineIntel"  Id = 0x52c  Stepping=12
  Features=0x3bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC>
real memory  = 268435456 (262144K bytes)
avail memory = 261255168 (255132K bytes)
FreeBSD/SMP: Multiprocessor motherboard
 cpu0 (BSP): apic id:  0, version: 0x00030010, at 0xfee00000
 cpu1 (AP):  apic id:  1, version: 0x00030010, at 0xfee00000
 io0 (APIC): apic id:  2, version: 0x000f0011, at 0xfec00000
eisa0: <ASU5201 (System Board)>
Probing for devices on the EISA bus
Probing for devices on PCI bus 0:
chip0: <Intel 82439> rev 0x01 on pci0.0.0
chip1: <Intel 82375EB PCI-EISA bridge> rev 0x05 on pci0.7.0
de0: <Digital 21041 Ethernet> rev 0x11 int a irq 9 on pci0.9.0
de0: SMC 21041 [10Mb/s] pass 1.1
de0: address 00:00:c0:35:5e:d6
ahc0: <Adaptec 2940 Ultra SCSI host adapter> rev 0x00 int a irq 12 on pci0.10.0
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0: waiting for scsi devices to settle
scbus0 at ahc0 bus 0
sd0 at scbus0 target 0 lun 0
sd0: <Quantum XP32150W L915> type 0 fixed SCSI 2
sd0: Direct-Access 2050MB (4199760 512 byte sectors)
sd0: with 3907 cyls, 10 heads, and an average 107 sectors/track
sd1 at scbus0 target 1 lun 0
sd1: <Quantum XP34300W L915> type 0 fixed SCSI 2
sd1: Direct-Access 4101MB (8399520 512 byte sectors)
sd1: with 3907 cyls, 20 heads, and an average 107 sectors/track
sd2 at scbus0 target 2 lun 0
sd2: <Quantum XP34300W L915> type 0 fixed SCSI 2
sd2: Direct-Access 4101MB (8399520 512 byte sectors)
sd2: with 3907 cyls, 20 heads, and an average 107 sectors/track
ahc1: <Adaptec 2940 Ultra SCSI host adapter> rev 0x00 int a irq 10 on pci0.11.0
ahc1: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc1: waiting for scsi devices to settle
scbus1 at ahc1 bus 0
sd3 at scbus1 target 0 lun 0
sd3: <Quantum XP34300W L912> type 0 fixed SCSI 2
sd3: Direct-Access 4303MB (8813920 512 byte sectors)
sd3: with 3907 cyls, 20 heads, and an average 112 sectors/track
sd4 at scbus1 target 1 lun 0
sd4: <Quantum XP34300W L912> type 0 fixed SCSI 2
sd4: Direct-Access 4101MB (8399520 512 byte sectors)
sd4: with 3907 cyls, 20 heads, and an average 107 sectors/track
ahc2: <Adaptec 2940 Ultra SCSI host adapter> rev 0x00 int a irq 11 on pci0.12.0
ahc2: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc2: waiting for scsi devices to settle
scbus2 at ahc2 bus 0
sd5 at scbus2 target 0 lun 0
sd5: <Quantum XP34300W L912> type 0 fixed SCSI 2
sd5: Direct-Access 4101MB (8399520 512 byte sectors)
sd5: with 3907 cyls, 20 heads, and an average 107 sectors/track
sd6 at scbus2 target 1 lun 0
sd6: <Quantum XP34300W L912> type 0 fixed SCSI 2
sd6: Direct-Access 4101MB (8399520 512 byte sectors)
sd6: with 3907 cyls, 20 heads, and an average 107 sectors/track
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
npx0 on motherboard
npx0: INT 16 interface
stray irq 7
de0: enabling 10baseT port
ccd0-3: Concatenated disk drivers
SMP: All idle procs online.
SMP: *** AUTO *** starting 1st AP!
SMP: AP CPU #1 LAUNCHED!!  Starting Scheduling...
SMP: TADA! CPU #1 made it into the scheduler!.
SMP: All 2 CPU's are online!
de0: enabling 10baseT port



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