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Subject2.4 kernels do not boot on UX (Alpha)
Date
I tried to boot recent 2.4.0 kernels (the last one 2.4.0-test9-pre5)
on Ruffian type of Alpha, also known as UX, with a notable lack
of success. So far I had not a single succesful boot. My test
machine ran without any hiccups various 2.2 kernels, patched and
upatched, and before that a long list of 2.0 kernels.

Here are excerpts from boot messages, transcribed from a screen,
which seem to be relevant to the problem:


Booting GENERIC on Ruffian using machine vector Ruffian from MILO
....
Calibrating delay loop... 1191.18 BogoMips
....
pci: cia revision 1 (pyxis)
...
pci: passed tb register update test
pci: passed passed sg loopback i/o read test
pci: passed tbia test
pci: passed pte write cache snoop test
pci: failed valid tad invalid pte reload test (mcheck; workaround avialable)
pci: passed pci machine check test
PCI: Failed to allocate resource 8 for Digital Equipment Corporation
DECchip 21052
PCI: Failed to allocate resource 1 for Trident Microsystems 4DWave DX
PCI: Failed to allocate resource 1 for Symbios Logic Inc. (formerly
NCR) 53c875
Activating ISA DMA hang workarounds
.....
hda: IBM-DJNA=370910, ATA DISK driver
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: 17803440 sectors (9115 MB) w/1966KiB Cache, CHS=17662/16/63, (U)DMA
Partition check:
hda: unknown partition table
....
sym53c8xx: at PCI bus 1, device 13, function 0
sym53c8xx: 53c875 detected
sym53c876-0: rev 0xff on pci bus 1 device 13 function 0 irq 20
sym53c876-0: ID 7, Fast-20, Parity Checking, Differential
sym53c876-0: on-chip RAM at 0xa000000
CACHE TEST FAILED: script execution failed.
start=4fea4dd8, pc=ffffffff. end=4fea4df8
CACHE INCORRECTLY CONFIGURED.
sym53c876-0: giving up ...
....

and a kernel panic because my root file system on /dev/sda2 cannot be
mounted. The machine is dead with even a keyboard gone.

There is also another failure mode when some messages are scrolling
up the screen too fast to be of any use because a screen is flooded
with repeated messages:
pc_keyb: controller jammed (0xFF).
followed by:
keyboard timed out [1].
and a kernel hangs the moment it should print
hda: IBM-DJNA-370910, ATA DISK drive
line. The second failure mode happens apparently less often but
apparently at random.

For comparison here are similar lines from a correct boot of a kernel
from 2.2 series on the same machine:
....
Booting GENERIC on Ruffian using machine vector Ruffian from MILO
....
Calibrating delay loop... 595.59 BogoMIPS
hda: IBM-DJNA-370910, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: IBM-DJNA-370910, 8693MB w/1966kB Cache, CHS=17662/16/63, (U)DMA
.......
sym53c8xx: at PCI bus 32, device 13, function 0
sym53c8xx: 53c875 detected
sym53c875-0: rev 0x3 on pci bus 32 device 13 function 0 irq 20
sym53c875-0: ID 7, Fast-20, Parity Checking
scsi0 : sym53c8xx-1.7.0-20000709
scsi : 1 host.
Vendor: IBM Model: DDRS-39130D Rev: DC1B
Type: Direct-Access ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 2, lun 0
Vendor: TOSHIBA Model: CD-ROM XM-6201TA Rev: 1037
Type: CD-ROM ANSI SCSI revision: 02
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 6, lun 0
Vendor: IBM Model: DDRS-34560D Rev: DC1B
Type: Direct-Access ANSI SCSI revision: 02
Detected scsi disk sdb at scsi0, channel 0, id 10, lun 0
scsi : detected 1 SCSI cdrom 2 SCSI disks total.
sym53c875-0-<6,*>: FAST-10 SCSI 10.0 MB/s (100 ns, offset 16)
Partition check:
sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
sdb: sdb1 sdb2 sdb3 < sdb5 sdb6 sdb7 sdb8 sdb9 sdb10 sdb11 >
hda: hda1 hda2 hda3 hda4
VFS: Mounted root (ext2 filesystem) readonly.
....

In particular note differences in a detected SCSI controller and lack
of problems on a partition check. I also do not know from where
"DECchip 21052" is coming with 2.4 kernel. The real ethernet
controller is DS21143 Tulip rev. 48.

This is a PCI layout as reported by 'lspci -tv':

-[00]-+-0d.0-[01]--+-0a.0 Trident Microsystems 4DWave DX
| \-0d.0 Symbios Logic Inc. (formerly NCR) 53c875
+-0e.0 Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
+-0e.1 Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
+-0f.0 Digital Equipment Corporation DECchip 21142/43
\-11.0 Texas Instruments TVP4020 [Permedia 2]

Any ideas what gives here?

Michal
michal@harddata.com
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