Re: pdc202xx_old broke boot [was Re: 2.6.9-mm1]

[Andrew Morton <akpm@osdl.org>]

"J.A. Magallon" <jamagallon@able.es> wrote:
>
> Hi all...
> 
> On 2004.10.22, Andrew Morton wrote:
> > 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.9/2.6.9-mm1/
> > 
> 
> I upgraded from 2.6.9-rc3-mm3 to 2.6.9-mm1 and the system coould not boot.
> What was before hde now was hda (guess ? root is on hde1...)

yikes.  Perhaps the PCI scanning order was changed?

Likely culprits/saviours cc'ed.

> Thi system has a promise controller and the internal via one:
> nada:~# lspci
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266] (rev 01)
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266 AGP]
> 00:07.0 RAID bus controller: Promise Technology, Inc. PDC20319 (FastTrak S150 TX4) (rev 02)
> 00:08.0 RAID bus controller: Promise Technology, Inc. PDC20319 (FastTrak S150 TX4) (rev 02)
> 00:0b.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)
> 00:0c.0 RAID bus controller: Promise Technology, Inc. PDC20267 (FastTrak100/Ultra100) (rev 02)
> 00:0d.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 08)
> 00:11.0 ISA bridge: VIA Technologies, Inc. VT8233 PCI to ISA Bridge
> 00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
> 00:11.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1b)
> 00:11.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1b)
> 00:11.4 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1b)
> 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 62)
> 01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev b2)
> 
> The PDC at 0c.0 is detected before the VIA. Last 2.6.9-mm1 skips the
> activation of the ide channels if bios disables it (there's no drive connected).
> The new pdc driver has an option to control this behavior, but the old one
> does not. dmesg diff:
> 
> --- dmesg-2.6.9-rc3-mm3	2004-10-23 01:49:19.537021164 +0200
> +++ dmesg-2.6.9-mm1	2004-10-23 01:48:05.149674818 +0200
> @@ -1,4 +1,4 @@
> -Linux version 2.6.9-rc3-mm3 (root@nada.cps.unizar.es) (gcc version 3.4.1 (Mandrakelinux 10.1 3.4.1-4mdk)) #1 SMP Fri Oct 8 00:59:09 CEST 2004
> +Linux version 2.6.9-mm1 (root@nada.cps.unizar.es) (gcc version 3.4.1 (Mandrakelinux 10.1 3.4.1-4mdk)) #1 SMP Fri Oct 22 14:36:09 CEST 2004
>  BIOS-provided physical RAM map:
>   BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
>   BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
> ...
>  Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
>  ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
>  PDC20267: IDE controller at PCI slot 0000:00:0c.0
>  ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 18 (level, low) -> IRQ 169
>  PDC20267: chipset revision 2
>  PDC20267: 100% native mode on irq 169
> -PDC20267: (U)DMA Burst Bit ENABLED Primary MASTER Mode Secondary MASTER Mode.
> -    ide0: BM-DMA at 0xcc00-0xcc07, BIOS settings: hda:pio, hdb:pio
> -    ide1: BM-DMA at 0xcc08-0xcc0f, BIOS settings: hdc:pio, hdd:DMA
> -Probing IDE interface ide0...
> -Probing IDE interface ide1...
> +PDC20267: neither IDE port enabled (BIOS)
>  VP_IDE: IDE controller at PCI slot 0000:00:11.1
>  VP_IDE: chipset revision 6
>  VP_IDE: not 100% native mode: will probe irqs later
>  VP_IDE: VIA vt8233 (rev 00) IDE UDMA100 controller on pci0000:00:11.1
> -    ide2: BM-DMA at 0xd400-0xd407, BIOS settings: hde:DMA, hdf:pio
> -    ide3: BM-DMA at 0xd408-0xd40f, BIOS settings: hdg:pio, hdh:DMA
> +    ide0: BM-DMA at 0xd400-0xd407, BIOS settings: hda:DMA, hdb:pio
> +    ide1: BM-DMA at 0xd408-0xd40f, BIOS settings: hdc:pio, hdd:DMA
> +Probing IDE interface ide0...
> +hda: Maxtor 6Y080L0, ATA DISK drive
> +ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> +Probing IDE interface ide1...
> +ide1: Wait for ready failed before probe !
> +hdd: HL-DT-ST DVDRAM GSA-4040B, ATAPI CD/DVD-ROM drive
> +ide1 at 0x170-0x177,0x376 on irq 15
>  Probing IDE interface ide2...
> -hde: Maxtor 6Y080L0, ATA DISK drive
> -ide2 at 0x1f0-0x1f7,0x3f6 on irq 14
> +ide2: Wait for ready failed before probe !
>  Probing IDE interface ide3...
>  ide3: Wait for ready failed before probe !
> -hdh: HL-DT-ST DVDRAM GSA-4040B, ATAPI CD/DVD-ROM drive
> -ide3 at 0x170-0x177,0x376 on irq 15
> -Probing IDE interface ide0...
> -Probing IDE interface ide1...
>  Probing IDE interface ide4...
>  ide4: Wait for ready failed before probe !
>  Probing IDE interface ide5...
>  ide5: Wait for ready failed before probe !
> -hde: max request size: 128KiB
> -hde: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
> -hde: cache flushes supported
> - hde: hde1 hde2 hde3 hde4 < hde5 >
> -hdh: ATAPI 32X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(33)
> +hda: max request size: 128KiB
> +hda: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
> +hda: cache flushes supported
> + hda: hda1 hda2 hda3 hda4 < hda5 >
> +hdd: ATAPI 32X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(33)
>  Uniform CD-ROM driver Revision: 3.20
>  libata version 1.02 loaded.
>  sata_promise version 1.00
> 
> How can I restore the old behaviour ? Plain 2.6.9 booted. So reconfiguring
> fstab to say / == hda1 will make impossible switch between kernels ...
> Better, can I force ide0=via, for any kernel I boot ?
> 
> Any idea ?
> 
> TIA
> 
> --
> J.A. Magallon <jamagallon()able!es>     \               Software is like sex:
> werewolf!able!es                         \         It's better when it's free
> Mandrakelinux release 10.1 (Community) for i586
> Linux 2.6.9-rc4-mm1 (gcc 3.4.1 (Mandrakelinux 10.1 3.4.1-4mdk)) #4