Hello!
> I looked back through the archives and noticed this had been raised before,
> but the problem is certainly not fixed in the 2.4 testX kernels.
>
> Where 2.2 kernels work fine, v2.4 kernels won't find any devices when
> scanning behind DECchip 21150 PCI bridges. In more detail, the initial
> pci_read_config_dword() in pci_scan_device() returns 0xffffffff (the case
> when a slot is empty).
>
> I have experimented with the different kernel pci options, off and conf2 list
> the devices but the messages sent to the log don't inspire confidence in the
> system stability.
>
> These bridges are quite common, my test example is a dell latitude notebook
> which uses the bridge to handle the docking station. I contacted a few of the
> people originally involved who basically gave up and went back to 2.2
> kernels.
I'll take a look at it.
Can you send me 'lspci -vvx' output for both 2.2 and 2.4 kernels?
Have a nice fortnight
-- Martin `MJ' Mares <mj@ucw.cz> <mj@suse.cz> http://atrey.karlin.mff.cuni.cz/~mj/ "This line is umop apisdn."- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Jul 31 2000 - 21:00:34 EST