Re: aic7xxx broken in 2.5.53/54 ?

[uaca@alumni.uv.es]

Hi hav    

I have to report the same problem, tomorrow I will complete the info,
including bios version and read-only tests on a disk device

At least I can say I've saw the message

>    scsi0: PCI error Interrupt at seqaddr = 0x2
>    scsi0: Signaled a Target Abort
>    scsi1: PCI error Interrupt at seqaddr = 0x2
>    scsi1: Signaled a Target Abort

> It would be good to know the chipset on the motherboard.  As to why
> the old driver worked, for 6.X.X drivers, you may have just been lucky.
> For 5.X.X drivers, they perform a read after every register write to
> "manually" prevent any byte-merging.  These reads are actually more
> expensive than just using PIO.  Neither of these older drivers included
> a test to try and catch fishy behavior.


Kernel 2.4.x works fine

now some info about chipset, etc...


00:00.0 Host bridge: Intel Corporation 440GX - 82443GX Host bridge
	Flags: bus master, medium devsel, latency 64
	Memory at f8000000 (32-bit, prefetchable) [size=64M]
	Capabilities: <available only to root>

00:01.0 PCI bridge: Intel Corporation 440GX - 82443GX AGP bridge (prog-if 00 [Normal decode])
	Flags: bus master, 66Mhz, medium devsel, latency 64
	Bus: primary=00, secondary=01, subordinate=02, sec-latency=64

00:0b.0 ATM network controller: FORE Systems Inc PCA-200E
	Flags: bus master, medium devsel, latency 64, IRQ 18
	Memory at f4000000 (32-bit, non-prefetchable) [size=2M]
	Expansion ROM at <unassigned> [disabled] [size=8K]

00:0c.0 SCSI storage controller: Adaptec 7896
	Subsystem: Adaptec: Unknown device 0053
	Flags: bus master, medium devsel, latency 64, IRQ 19
	BIST result: 00
	I/O ports at 2000 [disabled] [size=256]
	Memory at f4300000 (64-bit, non-prefetchable) [size=4K]
	Expansion ROM at <unassigned> [disabled] [size=128K]
	Capabilities: <available only to root>

00:0c.1 SCSI storage controller: Adaptec 7896
	Subsystem: Adaptec: Unknown device 0053
	Flags: bus master, medium devsel, latency 64, IRQ 19
	BIST result: 00
	I/O ports at 2400 [disabled] [size=256]
	Memory at f4301000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <available only to root>

00:0e.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 08)
	Subsystem: Intel Corporation 82559 Fast Ethernet LAN on Motherboard
	Flags: bus master, medium devsel, latency 64, IRQ 21
	Memory at f4302000 (32-bit, non-prefetchable) [size=4K]
	I/O ports at 2800 [size=64]
	Memory at f4200000 (32-bit, non-prefetchable) [size=1M]
	Expansion ROM at <unassigned> [disabled] [size=1M]
	Capabilities: <available only to root>

00:12.0 ISA bridge: Intel Corporation 82371AB PIIX4 ISA (rev 02)
	Flags: bus master, medium devsel, latency 0

00:12.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01) (prog-if 80 [Master])
	Flags: bus master, medium devsel, latency 64
	I/O ports at 2860 [size=16]

00:12.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01) (prog-if 00 [UHCI])
	Flags: bus master, medium devsel, latency 64, IRQ 21
	I/O ports at 2840 [size=32]

00:12.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 02)
	Flags: medium devsel, IRQ 9

00:14.0 VGA compatible controller: Cirrus Logic GD 5480 (rev 23) (prog-if 00 [VGA])
	Subsystem: Cirrus Logic CL-GD5480
	Flags: bus master, medium devsel, latency 64
	Memory at f6000000 (32-bit, prefetchable) [size=32M]
	Memory at f4303000 (32-bit, non-prefetchable) [size=4K]
	Expansion ROM at <unassigned> [disabled] [size=32K]

01:0f.0 PCI bridge: Digital Equipment Corporation DECchip 21150 (rev 06) (prog-if 00 [Normal decode])
	Flags: bus master, fast Back2Back, 66Mhz, medium devsel, latency 240
	Bus: primary=01, secondary=02, subordinate=02, sec-latency=68
	Capabilities: <available only to root>


processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 8
model name	: Pentium III (Coppermine)
stepping	: 3
cpu MHz		: 796.559
cache size	: 256 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 1589.24

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 8
model name	: Pentium III (Coppermine)
stepping	: 3
cpu MHz		: 796.559
cache size	: 256 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 1592.52



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