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Re: Can't boot a kernel under SRM



On Wed, Jan 14, 2004 at 11:01:24AM +0100, Jan-Benedict Glaw wrote:
> On Wed, 2004-01-14 00:06:05 -0600, Steve Langasek <vorlon@netexpress.net>
> wrote in message <20040114060605.GE19077@quetzlcoatl.dodds.net>:
> > On Tue, Jan 13, 2004 at 11:29:33PM -0600, John Goerzen wrote:
> > Depending on your hardware config, you may need to back down to 2.4.20
> > or 2.4.19 (I forget which) to get something bootable.  I've been told,
> > and have realized now that I can confirm, that later 2.4-series kernels
> > have trouble talking across PCI bridges on alphas.  I would hope
> > someone's working on fixing this, but I know that neither 2.4.22 nor
> > 2.4.23 can handle my ethernet/scsi card (an integrated tulip/qlogicisp
> > device, no idea if it has a proper name :).

> Keep in mind that there are two drivers for "tulip" style network chips.
> "tulip" is for the newer cards, "de4x5" is for older cards.
> Unfortunately, there are some PCI IDs which are accepted by both
> drivers, but only one of them will properly drive the hardware.

Well, unless the coverage of the tulip driver has *changed* since
2.4.19, mine definitely uses the tulip module.

> >From my Miata (PWS 500) I also remember having had some trouble with
> the qlogic driver, but those vanished at some time. However, I don't
> remember *what* actually solved that...

I'm pretty sure, based on what I've heard from others working with
2.4.2x, that there are still outstanding problems with PCI bridges on
alphas as of 2.4.23.

Output of lspci:
00:05.0 USB Controller: NEC Corporation USB (rev 41)
00:05.1 USB Controller: NEC Corporation USB (rev 41)
00:05.2 USB Controller: NEC Corporation USB 2.0 (rev 02)
00:06.0 PCI bridge: Digital Equipment Corporation DECchip 21050 (rev 02)
00:08.0 ISA bridge: Contaq Microsystems 82c693
00:08.1 IDE interface: Contaq Microsystems 82c693
00:08.2 IDE interface: Contaq Microsystems 82c693
00:08.3 USB Controller: Contaq Microsystems 82c693
00:09.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2164W [Millennium II]
01:00.0 Ethernet controller: Digital Equipment Corporation DECchip 21040 [Tulip] (rev 23)
01:01.0 SCSI storage controller: QLogic Corp. ISP1020 Fast-wide SCSI (rev 01)
01:02.0 SCSI storage controller: QLogic Corp. ISP1020 Fast-wide SCSI (rev 01)

The devices I have trouble with on this machine are those on the second
PCI bus (the one on the combo card).

-- 
Steve Langasek
postmodern programmer

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