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SubjectRe: 34-bk current ide problems - unexpected interrupt
Date
On September 13, 2002 09:42 pm, Ed Tomlinson wrote:
> Hi,
>
> To check if the problem I am seeing is with the port to 2.5 I tried
> 2.4.20-pre5-ac4 and 2.4.20-pre5-ac6. Both booted correctly.
>
> Now to try 2.5.34+bk without Andrew's mm patch. If that fails what
> debugging info would help solve the unexpected interrupt problem?

to summerize

2.4.20-pre5-ac4 works
2.4.20-pre5-ac5 works
2.5.34-mm1 works (without Jens ide port of pre5-ac4)
2.5.34-mm2 fails with unexpected interrupt loop
2.5.34-bk current fails with unexpected interrupt loop

Removing the printk from ide.c does _not_ cure the problem. The ide
setting between 2.4 and 2.5 were as identical as I can make them.

A failing 2.5 boot gives:

Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes
VP_IDE: IDE controller at PCI slot 00:07.1
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c586b (rev 47) IDE UDMA33 controller on pci00:07.1
ide0: BM-DMA at 0xa000-0xa007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xa008-0xa00f, BIOS settings: hdc:DMA, hdd:DMA
hda: QUANTUM FIREBALLP KA13.6, ATA DISK drive
hda: DMA disabled
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hdc: CD-ROM 50X, ATAPI CD/DVD-ROM drive
hdd: HP COLORADO 20GB, ATAPI TAPE drive
hdc: DMA disabled
hdd: DMA disabled
ide1 at 0x170-0x177,0x376 on irq 15
PDC20267: IDE controller at PCI slot 00:09.0
PCI: Found IRQ 12 for device 00:09.0
PDC20267: chipset revision 2
PDC20267: not 100% native mode: will probe irqs later
PDC20267: ROM enabled at 0xeb000000
PDC20267: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
ide2: BM-DMA at 0xbc00-0xbc07, BIOS settings: hde:DMA, hdf:pio
ide3: BM-DMA at 0xbc08-0xbc0f, BIOS settings: hdg:DMA, hdh:pio
hde: QUANTUM FIREBALLP AS40.0, ATA DISK drive
ide2 at 0xac00-0xac07,0xb002 on irq 12
ide_intr: unexpected interrupt!
ide_intr: unexpected interrupt!
ide_intr: unexpected interrupt!
....

A working 2.4-pre5-ac4 boot gives:
Sep 13 21:17:50 oscar kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
Sep 13 21:17:50 oscar kernel: ide: Assuming 33MHz system bus speed for PIO modes
Sep 13 21:17:50 oscar kernel: VP_IDE: IDE controller at PCI slot 00:07.1
Sep 13 21:17:50 oscar kernel: VP_IDE: chipset revision 6
Sep 13 21:17:50 oscar kernel: VP_IDE: not 100%% native mode: will probe irqs later
Sep 13 21:17:50 oscar kernel: VP_IDE: VIA vt82c586b (rev 47) IDE UDMA33 controller on pci00:07.1
Sep 13 21:17:50 oscar kernel: ide0: BM-DMA at 0xa000-0xa007, BIOS settings: hda:DMA, hdb:DMA
Sep 13 21:17:50 oscar kernel: ide1: BM-DMA at 0xa008-0xa00f, BIOS settings: hdc:DMA, hdd:DMA
Sep 13 21:17:50 oscar kernel: PDC20267: IDE controller at PCI slot 00:09.0
Sep 13 21:17:50 oscar kernel: PCI: Found IRQ 12 for device 00:09.0
Sep 13 21:17:50 oscar kernel: PDC20267: chipset revision 2
Sep 13 21:17:50 oscar kernel: PDC20267: not 100%% native mode: will probe irqs later
Sep 13 21:17:50 oscar kernel: PDC20267: ROM enabled at 0xeb000000
Sep 13 21:17:50 oscar kernel: PDC20267: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
Sep 13 21:17:50 oscar kernel: ide2: BM-DMA at 0xbc00-0xbc07, BIOS settings: hde:DMA, hdf:pio
Sep 13 21:17:50 oscar kernel: ide3: BM-DMA at 0xbc08-0xbc0f, BIOS settings: hdg:DMA, hdh:pio
Sep 13 21:17:50 oscar kernel: hda: QUANTUM FIREBALLP KA13.6, ATA DISK drive
Sep 13 21:17:50 oscar kernel: hda: DMA disabled
Sep 13 21:17:50 oscar kernel: blk: queue c02a83c0, I/O limit 4095Mb (mask 0xffffffff)
Sep 13 21:17:50 oscar kernel: hdc: CD-ROM 50X, ATAPI CD/DVD-ROM drive
Sep 13 21:17:50 oscar kernel: hdd: HP COLORADO 20GB, ATAPI TAPE drive
Sep 13 21:17:50 oscar kernel: hdc: DMA disabled
Sep 13 21:17:50 oscar kernel: hdd: DMA disabled
Sep 13 21:17:50 oscar kernel: hde: QUANTUM FIREBALLP AS40.0, ATA DISK drive
Sep 13 21:17:50 oscar kernel: blk: queue c02a8ca8, I/O limit 4095Mb (mask 0xffffffff)
Sep 13 21:17:50 oscar kernel: hdg: QUANTUM FIREBALLP AS40.0, ATA DISK drive

Notice that 2.4 orders the boot differently. Wonder if this is significant?

What additional info would help?

Ed Tomlinson




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