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Re: new ncr/sym53c8xx driver tree at tux

daemon@ATHENA.MIT.EDU (Matthew Jacob)
Thu Apr 1 12:17:18 1999

Date: 	Thu, 1 Apr 1999 08:52:05 -0800 (PST)
From: Matthew Jacob <mjacob@feral.com>
Reply-To: mjacob@feral.com
To: Gerard Roudier <groudier@club-internet.fr>
cc: linux-scsi@vger.rutgers.edu, ncr53c810@colorado.edu,
        David Miller <davem@redhat.com>
In-Reply-To: <Pine.LNX.4.04.9903301122150.30672-100000@feral-gw>


It looks like it *was* interrupt routing...

Very wierd. The original problem configuration reported as:


ncr53c8xx: at PCI bus 0, device 3, function 0
ncr53c8xx: 53c875 detected 	
ncr53c8xx: at PCI bus 0, device 5, function 0
ncr53c8xx: 53c876 detected 
ncr53c8xx: at PCI bus 0, device 5, function 1
ncr53c8xx: 53c876 detected 
ncr53c875-0: rev=0x03, base=0x1ff80010000, io_port=0xfffff9fe02010400, irq=3,7e0
ncr53c875-0: NCR clock is 40218KHz, 40037KHz
ncr53c875-0: ID 7, Fast-20, Parity Checking
ncr53c875-0: on-chip RAM at 0x1ff80011000
ncr53c875-0: restart (scsi reset).
ncr53c875-0: Downloading SCSI SCRIPTS.
ncr53c876-1: rev=0x14, base=0x1ff80014000, io_port=0xfffff9fe02010c00, irq=6,7dc
ncr53c876-1: NCR clock is 40218KHz, 40037KHz
ncr53c876-1: ID 7, Fast-20, Parity Checking
ncr53c876-1: on-chip RAM at 0x1ff80015000
ncr53c876-1: restart (scsi reset).
ncr53c876-1: Downloading SCSI SCRIPTS.
ncr53c876-2: rev=0x14, base=0x1ff80016000, io_port=0xfffff9fe02011000, irq=6,7dc
ncr53c876-2: NCR clock is 40218KHz, 40037KHz
ncr53c876-2: ID 7, Fast-20, Parity Checking
ncr53c876-2: on-chip RAM at 0x1ff80017000
ncr53c876-2: restart (scsi reset).
ncr53c876-2: Downloading SCSI SCRIPTS.
scsi0 : ncr53c8xx - version 3.2
scsi1 : ncr53c8xx - version 3.2
scsi2 : ncr53c8xx - version 3.2


When I booted this morning to try it again, I got:

ncr53c8xx: at PCI bus 0, device 3, function 0
ncr53c8xx: 53c875 detected 
ncr53c8xx: at PCI bus 0, device 5, function 0
ncr53c8xx: 53c876 detected 
ncr53c8xx: at PCI bus 0, device 5, function 1
ncr53c8xx: 53c876 detected 
ncr53c875-0: rev=0x03, base=0x1ff80010000, io_port=0xfffff9fe02010400, irq=3,7e0
ncr53c875-0: NCR clock is 40218KHz, 40037KHz
ncr53c875-0: ID 7, Fast-20, Parity Checking
ncr53c875-0: on-chip RAM at 0x1ff80011000
ncr53c875-0: restart (scsi reset).
ncr53c875-0: Downloading SCSI SCRIPTS.
ncr53c876-1: rev=0x14, base=0x1ff80014000, io_port=0xfffff9fe02010c00, irq=6,7dc
ncr53c876-1: NCR clock is 40218KHz, 40037KHz
ncr53c876-1: ID 7, Fast-20, Parity Checking
ncr53c876-1: on-chip RAM at 0x1ff80015000
ncr53c876-1: restart (scsi reset).
ncr53c876-1: Downloading SCSI SCRIPTS.
ncr53c876-2: rev=0x14, base=0x1ff80016000, io_port=0xfffff9fe02011000, irq=4,7dd
ncr53c876-2: NCR clock is 40218KHz, 40037KHz
ncr53c876-2: ID 7, Fast-20, Parity Checking
ncr53c876-2: on-chip RAM at 0x1ff80017000
ncr53c876-2: restart (scsi reset).
ncr53c876-2: Downloading SCSI SCRIPTS.

...and things worked fine. Pretty clearly a sparc specific issue and a
bit of a stumper as to why it previously had reported the same interrupt
levels.








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