Date: Thu, 17 Jan 2008 15:19:41 -0500 From: "Robin Blanchard" <robin.blanchard@itos.uga.edu> To: <freebsd-scsi@freebsd.org> Cc: beh@case.edu, Allan.Black@btconnect.com Subject: RE: LTO-3 / scsi woes Message-ID: <1C28E42139C61D4BB4F418A19EAA2E3507B18A@MAIL.itos.uga.edu> In-Reply-To: <1C28E42139C61D4BB4F418A19EAA2E3507B17A@MAIL.itos.uga.edu> References: <478D04A4.9000103@case.edu><1C28E42139C61D4BB4F418A19EAA2E3507B168@MAIL.itos.uga.edu><478D0FB7.8060404@case.edu><1C28E42139C61D4BB4F418A19EAA2E3507B169@MAIL.itos.uga.edu><24BA641E-E301-4DAB-AB2E-161E47737BA8@samsco.org> <1C28E42139C61D4BB4F418A19EAA2E3507B17A@MAIL.itos.uga.edu>
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Here's a linux dmesg with the below adaptec suggestions applied. Same
server. Still questionable, no ?
scsi2 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec 3960D Ultra160 SCSI adapter>
aic7899: Ultra160 Wide Channel A, SCSI Id=3D7, 32/253 SCBs
scsi 2:0:0:0: Medium Changer QUALSTAR RLS-8204-20 006D PQ: 0
ANSI: 2
target2:0:0: Beginning Domain Validation
target2:0:0: Ending Domain Validation
scsi 2:0:1:0: Sequential-Access IBM ULTRIUM-TD3 73P5 PQ: 0
ANSI: 3
target2:0:1: Beginning Domain Validation
target2:0:1: FAST-40 SCSI 40.0 MB/s ST (25 ns, offset 127)
target2:0:1: Domain Validation detected failure, dropping back
target2:0:1: FAST-40 SCSI 33.0 MB/s ST (30.3 ns, offset 127)
target2:0:1: Domain Validation detected failure, dropping back
target2:0:1: FAST-20 SCSI 20.0 MB/s ST (50 ns, offset 127)
target2:0:1: Domain Validation skipping write tests
target2:0:1: Ending Domain Validation
scsi_scan_2 used greatest stack depth: 2644 bytes left
scsi3 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec 3960D Ultra160 SCSI adapter>
aic7899: Ultra160 Wide Channel B, SCSI Id=3D7, 32/253 SCBs
adaptec bios mods:
domain validation - disabled
initiate wide negotaion - no (both library & drive)
enable disconnection - no (both library & drive)
send start unit command - no (both library & drive)
RELENG_6 (with or without these mods) stalls during boot with spurious
scsi errors
>=20
> I've tried adaptec multiple 2940U2W & 39160 (ahc_pci), as well as an
> LSI
> U160 (sym), swapped cables, terminators, the LTO-3 drive itself (we
> have
> 2 new identical libraries/drives), removed extraneous PCI cards, and
> have swapped PCI slots. Ultimately I am stuck with SCSI parity errors.
> Using the LSI card, the devices "work", albeit severely degraded.
> Initially, this project began on RHEL5 (per this shop's requirements);
> but I installed RELENG_6 on it, in hopes of gleaning more useful
> debugging info.
>=20
> I've just installed yet another adaptec 39160 (flashed to latest
BIOS),
> disabled int13h on both channels, and again am getting nowhere. "Best"
> thus far has been with the LSI with max throughput being about 4475.6
> KB/s (see linux dmesg far below).
>=20
> Bacula test ("crippled" LSI):
>=20
> Wrote blk_block=3D4835000, dev_blk_num=3D3000 =
VolBytes=3D311,915,455,488
> rate=3D4475.5 KB/s
> Wrote blk_block=3D4840000, dev_blk_num=3D8000 =
VolBytes=3D312,238,015,488
> rate=3D4475.6 KB/s
> Wrote blk_block=3D4845000, dev_blk_num=3D13000 =
VolBytes=3D312,560,575,488
> rate=3D4475.6 KB/s
> Wrote blk_block=3D4850000, dev_blk_num=3D2500 =
VolBytes=3D312,883,135,488
> rate=3D4475.6 KB/s
> Wrote blk_block=3D4855000, dev_blk_num=3D7500 =
VolBytes=3D313,205,695,488
> rate=3D4475.6 KB/s
> Wrote blk_block=3D4860000, dev_blk_num=3D12500 =
VolBytes=3D313,528,255,488
> rate=3D4475.7 KB/s
>=20
> ------------
>=20
> FBSD-6 dmesg (lsi/sym):
>=20
> Copyright (c) 1992-2007 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 is a registered trademark of The FreeBSD Foundation.
> FreeBSD 6.2-STABLE-200710 #0: Tue Jan 15 11:15:04 EST 2008
> root@lewis.itos.uga.edu:/usr/obj/usr/src/sys/RELENG_6
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2399.33-MHz 686-class CPU)
> Origin =3D "GenuineIntel" Id =3D 0xf27 Stepping =3D 7
>=20
>
Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
> E
> ,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> Features2=3D0x4400<CNXT-ID,xTPR>
> Logical CPUs per core: 2
> real memory =3D 2146959360 (2047 MB)
> avail memory =3D 2095808512 (1998 MB)
> ACPI APIC Table: <PTLTD APIC >
> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> cpu2 (AP): APIC ID: 6
> cpu3 (AP): APIC ID: 7
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> ioapic1 <Version 2.0> irqs 24-47 on motherboard
> ioapic2 <Version 2.0> irqs 48-71 on motherboard
> ioapic3 <Version 2.0> irqs 72-95 on motherboard
> ioapic4 <Version 2.0> irqs 96-119 on motherboard
> acpi0: <PTLTD RSDT> on motherboard
> acpi0: Power Button (fixed)
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
> cpu0: <ACPI CPU> on acpi0
> cpu1: <ACPI CPU> on acpi0
> cpu2: <ACPI CPU> on acpi0
> cpu3: <ACPI CPU> on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pci0: <unknown> at device 0.1 (no driver attached)
> pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> pcib2: <ACPI PCI-PCI bridge> at device 29.0 on pci1
> pci2: <ACPI PCI bus> on pcib2
> twe0: <3ware Storage Controller. Driver version 1.50.01.002> port
> 0x3000-0x300f mem 0xfa200000-0xfa20000f,0xfa800000-0xfaffffff irq 48
at
> device 1.0 on pci2
> twe0: [GIANT-LOCKED]
> twe0: 2 ports, Firmware FE7S 1.05.00.063, BIOS BE7X 1.08.00.048
> pcib3: <ACPI PCI-PCI bridge> at device 31.0 on pci1
> pci3: <ACPI PCI bus> on pcib3
> sym0: <1010-33> port 0x4000-0x40ff mem
> 0xfb044000-0xfb0443ff,0xfb040000-0xfb041fff irq 24 at device 1.0 on
> pci3
> sym0: Symbios NVRAM, ID 7, Fast-80, LVD, parity checking
> sym0: open drain IRQ line driver, using on-chip SRAM
> sym0: using LOAD/STORE-based firmware.
> sym0: handling phase mismatch from SCRIPTS.
> sym0: [GIANT-LOCKED]
> sym1: <1010-33> port 0x4400-0x44ff mem
> 0xfb044400-0xfb0447ff,0xfb042000-0xfb043fff irq 25 at device 1.1 on
> pci3
> sym1: Symbios NVRAM, ID 7, Fast-80, SE, parity checking
> sym1: open drain IRQ line driver, using on-chip SRAM
> sym1: using LOAD/STORE-based firmware.
> sym1: handling phase mismatch from SCRIPTS.
> sym1: [GIANT-LOCKED]
> em0: <Intel(R) PRO/1000 Network Connection Version - 6.6.6> port
> 0x4800-0x483f mem 0xfb000000-0xfb01ffff irq 28 at device 2.0 on pci3
> em0: Ethernet address: 00:30:48:2a:57:ea
> em1: <Intel(R) PRO/1000 Network Connection Version - 6.6.6> port
> 0x4840-0x487f mem 0xfb020000-0xfb03ffff irq 29 at device 2.1 on pci3
> em1: Ethernet address: 00:30:48:2a:57:eb
> pcib4: <ACPI PCI-PCI bridge> at device 3.0 on pci0
> pci4: <ACPI PCI bus> on pcib4
> pcib5: <ACPI PCI-PCI bridge> at device 29.0 on pci4
> pci5: <ACPI PCI bus> on pcib5
> twe1: <3ware Storage Controller. Driver version 1.50.01.002> port
> 0x5000-0x500f mem 0xfb200000-0xfb20000f,0xfb800000-0xfbffffff irq 96
at
> device 1.0 on pci5
> twe1: [GIANT-LOCKED]
> twe1: 12 ports, Firmware FE7S 1.05.00.063, BIOS BE7X 1.08.00.048
> pcib6: <ACPI PCI-PCI bridge> at device 31.0 on pci4
> pci6: <ACPI PCI bus> on pcib6
> ahc0: <Adaptec 2940 Ultra2 SCSI adapter> port 0x6000-0x60ff mem
> 0xfc000000-0xfc000fff irq 72 at device 1.0 on pci6
> ahc0: [GIANT-LOCKED]
> aic7890/91: Ultra2 Wide Channel A, SCSI Id=3D7, 32/253 SCBs
> pci0: <serial bus, USB> at device 29.0 (no driver attached)
> pci0: <serial bus, USB> at device 29.1 (no driver attached)
> pci0: <serial bus, USB> at device 29.2 (no driver attached)
> pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
> pci7: <ACPI PCI bus> on pcib7
> pci7: <display, VGA> at device 1.0 (no driver attached)
> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> isa0: <ISA bus> on isab0
> atapci0: <Intel ICH3 UDMA100 controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x2060-0x206f at device 31.1 on
> pci0
> ata0: <ATA channel 0> on atapci0
> ata1: <ATA channel 1> on atapci0
> pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
> acpi_button0: <Power Button> on acpi0
> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: [GIANT-LOCKED]
> psm0: model IntelliMouse Explorer, device ID 4
> 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
> fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on
> acpi0
> fdc0: [FAST]
> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> ppc0: <ECP parallel printer port> port 0x378-0x37f,0x778-0x77f irq 7
> drq
> 3 on acpi0
> ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
> ppc0: FIFO with 16/16/9 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
> orm0: <ISA Option ROMs> at iomem
> 0xc0000-0xc7fff,0xc8000-0xc8fff,0xc9000-0xc9fff,0xca800-
> 0xcafff,0xcb000-
> 0xcbfff,0xe0000-0xe3fff on isa0
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=3D0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
> isa0
> Timecounters tick every 1.200 msec
> IP Filter: v4.1.13 initialized. Default =3D block all, Logging =3D
enabled
> Waiting 2 seconds for SCSI devices to settle
> (noperiph:sym0:0:-1:-1): SCSI BUS reset delivered.
> (noperiph:sym1:0:-1:-1): SCSI BUS reset delivered.
> acd0: CDROM <CD-232E/1.0A> at ata0-slave UDMA33
> twed0: <Unit 0, TwinStor, Normal> on twe0
> twed0: 114472MB (234439600 sectors)
> twed1: <Unit 0, RAID5, Normal> on twe1
> twed1: 1907793MB (3907160064 sectors)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe1:sym0:0:1:1): AutoSense Failed
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe1:sym0:0:1:2): AutoSense Failed
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe1:sym0:0:1:3): AutoSense Failed
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe1:sym0:0:1:4): AutoSense Failed
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe0:sym0:0:1:5): AutoSense Failed
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe0:sym0:0:1:6): AutoSense Failed
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D1500000e SBCL=3Dae
> (probe0:sym0:0:1:7): AutoSense Failed
> sa0 at sym0 bus 0 target 1 lun 0
> sa0: <IBM ULTRIUM-TD3 73P5> Removable Sequential Access SCSI-3 device
> sa0: 160.000MB/s transfers (80.000MHz, offset 62, 16bit)
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> SMP: AP CPU #3 Launched!
> hwpmc: TSC/1/0x20<REA>
> P4/18/0xfff<INT,USR,SYS,EDG,THR,REA,WRI,INV,QUA,PRC,TAG,CSC>
> cd0 at ata0 bus 0 target 1 lun 0
> cd0: <TEAC CD-232E 1.0A> Removable CD-ROM SCSI-0 device
> cd0: 33.000MB/s transfers
> cd0: Attempt to query device size failed: NOT READY, Medium not
present
> ch0 at sym0 bus 0 target 0 lun 0
> ch0: <QUALSTAR RLS-8204-20 006D> Removable Changer SCSI-2 device
> ch0: 3.300MB/s transfers
> ch0: 20 slots, 2 drives, 1 picker, 0 portals
> Trying to mount root from ufs:/dev/twed0s1a
> em0: link state changed to UP
>=20
> --------
>=20
>=20
> FBSD dmesg (39160/ahc)
>=20
> ...been dumping card state for hours...
>=20
> Eg:
>=20
> (probe0:ahc0:0:1:2); SCB 0x7 - timed out
> Sg[0] - Addr 0x2ca484 : Length 36
> (probe0:ahc0:0:1:2) : SCB 7: Immediate reset: Flags =3D 0x660
> (probe0:ahc0:0:1:2) : no longer in timeout, status =3D 25b
> Ahc0: Issued Channel A Bus Reset. 2 SCBs aborted
> Infinite interrupt loop, INTSTAT =3D 60ahc0: Timedout SCBs already
> complete. Interrupts may not be functioning
>=20
> --------
>=20
> RHEL5 (LSI/sym) dmesg:
>=20
> sym0: <1010-33> rev 0x1 at pci 0000:05:02.0 irq 23
> sym0: Symbios NVRAM, ID 7, Fast-80, LVD, parity checking
> sym0: open drain IRQ line driver, using on-chip SRAM
> sym0: using LOAD/STORE-based firmware.
> sym0: handling phase mismatch from SCRIPTS.
> sym0: SCSI BUS has been reset.
> scsi2 : sym-2.2.3
> Vendor: QUALSTAR Model: RLS-8204-20 Rev: 006D
> Type: Medium Changer ANSI SCSI revision: 02
> target2:0:0: Beginning Domain Validation
> target2:0:0: asynchronous
> target2:0:0: Ending Domain Validation
> scsi 2:0:0:0: Attached scsi generic sg2 type 8
> target2:0:1: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 31)
> Vendor: IBM Model: ULTRIUM-TD3 Rev: 73P5
> Type: Sequential-Access ANSI SCSI revision: 03
> target2:0:1: Beginning Domain Validation
> target2:0:1: asynchronous
> target2:0:1: wide asynchronous
> target2:0:1: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 62)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> target2:0:1: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 62)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000002 SBCL=3Dae
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: control msgout: c.
> sym0: TARGET 1 has been reset.
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: FAST-40 WIDE SCSI 66.0 MB/s DT (30.3 ns, offset 62)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> target2:0:1: FAST-40 WIDE SCSI 66.0 MB/s DT (30.3 ns, offset 62)
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: FAST-20 WIDE SCSI 40.0 MB/s DT (50 ns, offset 62)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> target2:0:1: FAST-20 WIDE SCSI 40.0 MB/s DT (50 ns, offset 62)
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: FAST-20 WIDE SCSI 38.4 MB/s DT (52 ns, offset 62)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D15000000 SBCL=3D2d
> target2:0:1: FAST-20 WIDE SCSI 38.4 MB/s DT (52 ns, offset 62)
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: FAST-20 WIDE SCSI 26.4 MB/s DT (76 ns, offset 62) scsi
> 2:0:1:0: ABORT operation started.
> scsi 2:0:1:0: ABORT operation timed-out.
> scsi 2:0:1:0: DEVICE RESET operation started.
> scsi 2:0:1:0: DEVICE RESET operation timed-out.
> scsi 2:0:1:0: BUS RESET operation started.
> sym0: SCSI BUS reset detected.
> sym0: SCSI BUS has been reset.
> scsi 2:0:1:0: BUS RESET operation complete.
> target2:0:1: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 31)
> target2:0:1: FAST-20 WIDE SCSI 26.4 MB/s DT (76 ns, offset 62) scsi
> 2:0:1:0: ABORT operation started.
> scsi 2:0:1:0: ABORT operation timed-out.
> scsi 2:0:1:0: DEVICE RESET operation started.
> scsi 2:0:1:0: DEVICE RESET operation timed-out.
> scsi 2:0:1:0: BUS RESET operation started.
> sym0: SCSI BUS reset detected.
> sym0: SCSI BUS has been reset.
> scsi 2:0:1:0: BUS RESET operation complete.
> scsi 2:0:1:0: HOST RESET operation started.
> sym0: SCSI BUS has been reset.
> scsi 2:0:1:0: HOST RESET operation complete.
> target2:0:1: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 31)
> target2:0:1: FAST-20 WIDE SCSI 26.4 MB/s DT (76 ns, offset 62)
> sym0:1: ERROR (0:48) (5-25-eb) (3e/68/8c) @ (scriptb 2e0:1500000e).
> sym0: script cmd =3D 88080000
> sym0: regdump: da 10 c0 68 47 3e 01 0a 04 05 00 25 80 01 05 00 00 1c
6f
> 08 08 00 00 00.
> sym0: SCSI BUS reset detected.
> sym0: SCSI BUS has been reset.
> scsi 2:0:1:0: scsi: Device offlined - not ready after error recovery
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: FAST-10 WIDE SCSI 17.8 MB/s DT (112 ns, offset 62)
> sym0: SCSI parity error detected: SCR1=3D1 DBC=3D8c080000 SBCL=3D2d
> sym0: SCSI BUS reset detected.
> sym0: SCSI BUS has been reset.
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: Domain Validation detected failure, dropping back
> target2:0:1: Domain Validation Failure, dropping back to Asynchronous
> target2:0:1: Domain Validation skipping write tests
> target2:0:1: Ending Domain Validation
> scsi 2:0:1:0: Attached scsi generic sg3 type 1
> ACPI: PCI Interrupt 0000:05:02.1[B] -> GSI 101 (level, low) -> IRQ 24
> sym1: <1010-33> rev 0x1 at pci 0000:05:02.1 irq 24
> sym1: Symbios NVRAM, ID 7, Fast-80, SE, parity checking
> sym1: open drain IRQ line driver, using on-chip SRAM
> sym1: using LOAD/STORE-based firmware.
> sym1: handling phase mismatch from SCRIPTS.
> sym1: SCSI BUS has been reset.
>=20
> # cat /proc/scsi/sym53c8xx/{2,3}
> Chip sym53c1010-33, device id 0x20, revision id 0x1 At PCI address
> 0000:05:02.0, IRQ 23 Min. period factor 9, Wide SCSI BUS, DT capable
> Max. started commands 448, max. commands per LUN 64 Chip
sym53c1010-33,
> device id 0x20, revision id 0x1 At PCI address 0000:05:02.1, IRQ 24
> Min.
> period factor 9, Wide SCSI BUS, DT capable Max. started commands 448,
> max. commands per LUN 64
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