Driver devmap() failure

Hi all,
Platform: Solaris 10 x86 3/05 (no patches) on a dual-Xeon motherboard. Driver is based on Phil Brown's "base" driver (thanks Phil!) with some input from his "fb" driver. Sun's "Writing Device Drivers" has helped tremendously, but all is not happy...
I'm trying to write a driver for a device that presents a single PCI memory-mapped space of length 0x400 bytes. My driver seems to pick up all the right information from the system and I can access the memory via read() and write(). However, if my test application tries to mmap() the device's address space, it fails with errno == ENXIO. I've traced it down to the driver's devmap() at the point I call devmap_devmem_setup(). This little bundle of joy returns the oh-so-descriptive "-1", which the man page helpfully says "An error occurred". Wow, any more info and my head will explode.
I'm thinking that the problem is somehow related to the length passed to mmap() (and ultimately to devmap_devmem_setup() after rounding up to a page boundary). The system knows that the address space is 0x400 bytes (based on calls to ddi_dev_regsize()), but the rounding rules seem to force the issue that devmap_devmem_setup() should get the page length, not the 0x400.
The offset passed to devmap_devmem_setup() is 0x0, as it should be for this exercise. The man page indicates that rnumber should be 0 for a single register set, so I'm sending in 0 even though the actual register number for the address space is 1 (go figure). The device access attributes are as follows:
DDI_DEVICE_ATTR_V0,
DDI_STRUCTURE_LE_ACC,
DDI_STRICTORDER_ACC
All this seems as if it should work (it looks much like Phil's fb driver and what's presented in Writing Device Drivers), but I get popped at the devmap_devmem_setup(). I've tried everything I can think of and I don't know what else to do with this.
Please help!
Thanks,
Dave

@korki777,
Go to Control Panel -> System -> Hardware -> Devices Manager
Click with right button of Your mouse on each yellow sign and choose properties. Then go to bottom details and paste here device id. This way we will know what it is.
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>>> michael.wagmeister<[email protected]> schrieb
am
Sonntag, 03. Februar 2008 um 15:16 in Nachricht
<[email protected]>:
> Hi,
>
> I get this error in iManager, when creating the driverstore:
>
> Error: Create Driver Store Failure
>
> Driver Store could not be configured: Request (SERVER_ERROR) - badstatus
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>
>
> Apache error.log:
>
> [Thu Sep 20 16:49:39 2007] [warn] mod_ipp: Error performing operation
> IDS_DELETE_CONFIG: /opt/novell/iprint/bin/iprintcnfg program returnedan
> error
> [Thu Sep 20 16:49:39 2007] [warn] mod_ipp: Error returned: 0x500
> [Thu Sep 20 16:49:39 2007] [warn] mod_ipp: Error performing operation
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>
>
> It is not the Problem shown in TID 3023179.--
>
michael.wagmeister----------------------------------------------------------
--------------michael.wag
> meister's Profile: http://forums.novell.com/member.php?userid=3874View
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