Hi, On Saturday 10 March 2007, Russell Howe wrote: > Evening all, > > I just built a 2.6.20.2 kernel for my alpha (a digital personal > workstation 500AU), and on bootup noticed the messages below, which took > a long time to print. There was no media in the CDROM, and there's > nothing else hanging off the IDE controller. The messages took several > minutes to appear, stalling the boot process. > > Unrelated, no doubt, but the output from the init scripts doesn't seem > to have made it to the serial console, so I'm not sure what processes > were running at the time. > > The last kernel I ran on this thing was 2.6.17.11, which I appreciate is > a long time ago, so if anyone could suggest a starting point for a > binary search to determine the change which caused this regression, I'm > all ears! Kernels take a while to build on this box, and I haven't got a > crosscompiling toolchain setup... > > What's the best way to go about debugging this? > > Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 > ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx > [...] > CY82C693: IDE controller at PCI slot 0000:00:07.1 > CY82C693: chipset revision 0 > CY82C693: not 100% native mode: will probe irqs later > CY82C693U driver v0.34 99-13-12 Andreas S. Krebs (akrebs@xxxxxxxxxxxxx) > ide0: BM-DMA at 0x9080-0x9087, BIOS settings: hda:pio, hdb:pio > PCI: Enabling device: (0000:00:07.2), cmd 47 > CY82C693: port 0x01f0 already claimed by ide0 > CY82C693: neither IDE port enabled (BIOS) It seems that the generic IDE host driver is loaded first (CONFIG_IDE_GENERIC=y/m) and "steals" resources needed by cy82c693. Please try again without the generic IDE host driver so the proper driver could be used. If it doesn't help I think that the best way to chase it is git bisect. Thanks, Bart > Probing IDE interface ide0... > hda: TOSHIBA CD-ROM XTAPI CD/DVD-ROM drive > hda: IRQ probe failed (0xfffffffff73bfeea) > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > ide-cd: cmd 0x5a timed out > hda: lost interrupt > ide-cd: cmd 0x5a timed out > hda: lost interrupt > ide-cd: cmd 0x5a timed out > hda: lost interrupt > hda: ATAPI 32X CD-ROM drive, 256kB Cache, DMA > Uniform CD-ROM driver Revision: 3.20 > hda: lost interrupt > ide-cd: cmd 0x3 timed out > hda: lost interrupt > ide-cd: cmd 0x3 timed out > hda: lost interrupt > hda: lost interrupt > ide-cd: cmd 0x3 timed out > hda: lost interrupt > ide-cd: cmd 0x3 timed out > hda: lost interrupt > hda: lost interrupt > ide-cd: cmd 0x3 timed out > hda: lost interrupt > ide-cd: cmd 0x3 timed out > hda: lost interrupt > > -- > Russell Howe | Why be just another cog in the machine, > rhowe@xxxxxxxxxxxx | when you can be the spanner in the works? - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html