Re: NCR adaptor doesn't see devices (was: 2.5.43 aic7xxx segfault)

From: Mr. James W. Laferriere (babydr@baby-dragons.com)
Date: Sun Oct 20 2002 - 14:02:50 EST


        Hello Bill ,

On Sun, 20 Oct 2002, Bill Davidsen wrote:
> No, the sym-anything seems to be for the newer chopsets, and not the old
> ncr825. I believe I tried 2.5.38 or so with that driver and it couldn't
> find a device it liked. I'll try building that module again, but it didn't
> work and I thought it might be causing a problem trying.
        Iirc , Gerard said that the Sym-2 is for all chipsets again .
        see: linux/drivers/scsi/sym53c8xx_2/Documentation.txt
        The ncr53c8xx was the original driver that he produced . Then
        came the sym53c8xx version which was NOT for the older chips
        supported by the ncr53c8xx.c .

> Also note that the driver inserts and fails twice (see dmesg) which is not
> intuitive to me.
        Yes , I noted them below using a grep of your document . It
        appears that the SYM53c8xx driver gets loaded THEN the
        ncr53c8xx attempts to load & of course conflicts with the
        SYM53c8xx . These two drivers can not co-exist , Without very
        special care as to how they get loaded or some such .
        I still highly recommend the sym2 driver rather than either of
        the two being loaded . But if it won't recognise the drives ...
                Hth , JimL

--
       +------------------------------------------------------------------+
       | James   W.   Laferriere | System    Techniques | Give me VMS     |
       | Network        Engineer |     P.O. Box 854     |  Give me Linux  |
       | babydr@baby-dragons.com | Coudersport PA 16915 |   only  on  AXP |
       +------------------------------------------------------------------+

dmesg-2.5.43-mm2p1:227:sym53c8xx: at PCI bus 0, device 9, function 0 dmesg-2.5.43-mm2p1:228:sym53c8xx: not initializing, device not supported ... dmesg-2.5.43-mm2p1:279:ncr53c8xx: at PCI bus 0, device 9, function 0 dmesg-2.5.43-mm2p1:280:ncr53c8xx: 53c825 detected dmesg-2.5.43-mm2p1:281:ncr53c825-0: rev 0x2 on pci bus 0 device 9 function 0 irq 9 dmesg-2.5.43-mm2p1:282:ncr53c825-0: ID 7, Fast-10, Parity Checking dmesg-2.5.43-mm2p1:283:scsi1 : ncr53c8xx-3.4.3b-20010512 dmesg-2.5.43-mm2p1:284:ncr53c825-0-<2,*>: target did not report SYNC. ... dmesg-2.5.43-mm2p1:293:ncr53c825-0: releasing host resources dmesg-2.5.43-mm2p1:294:ncr53c825-0: resetting chip dmesg-2.5.43-mm2p1:295:ncr53c825-0: host resources successfully released ... dmesg-2.5.43-mm2p1:303:ncr53c8xx: at PCI bus 0, device 9, function 0 dmesg-2.5.43-mm2p1:304:ncr53c8xx: 53c825 detected dmesg-2.5.43-mm2p1:305:ncr53c825-0: rev 0x2 on pci bus 0 device 9 function 0 irq 9 dmesg-2.5.43-mm2p1:306:ncr53c825-0: ID 7, Fast-10, Parity Checking dmesg-2.5.43-mm2p1:307:scsi1 : ncr53c8xx-3.4.3b-20010512 dmesg-2.5.43-mm2p1:308:ncr53c825-0-<2,*>: target did not report SYNC. ... dmesg-2.5.43-mm2p1:311:ncr53c825-0: releasing host resources dmesg-2.5.43-mm2p1:312:ncr53c825-0: resetting chip dmesg-2.5.43-mm2p1:313:ncr53c825-0: host resources successfully released

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