Messages in this thread | | | Date | Wed, 18 Apr 2001 08:46:52 +0200 | From | Vojtech Pavlik <> | Subject | Re: idebus=xx on a ISA only 486 |
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On Mon, Apr 16, 2001 at 10:42:12PM +1000, monkeyiq@dingoblue.net.au wrote: > Hi, > This may be harmless but I noticed a warning msg when I went to > 2.4.3 on a ISA only 486 mobo. > > Feb 18 18:01:41 speedy kernel: ide: Assuming 50MHz system bus speed for > PIO modes; override with idebus=xx > > My first thought was to drop idebus to 8Mhz (I think this is the > ISA speed ?), > but using that > Feb 18 18:01:41 speedy kernel: Kernel command line: auto BOOT_IMAGE=243 > ro root=301 BOOT_FILE=/boot/vmlinuz-2.4.3 idebus=8 > Feb 18 18:01:41 speedy kernel: ide_setup: idebus=8 -- BAD BUS SPEED! > Expected value from 20 to 66 > > and then a quick grep/poke in the src gave this > > ./drivers/ide/ide.c > Version 5.50 allow values as small as 20 for idebus= > > and at line 350 it seems that its pci or nothing for the bus speed. > > the only deterministic problem (so far that I can directly attribute to > that kernel) with the > 2.4.3 booted kernel is that ssh2 locks up for random amounts of time at > randomish intervals. > > I can't seem to dig up other info on this problem, I am sorry if this is > the wrong place > to ask. If there are better places to be looking for this data I am > happy to RTFM there. > > Now trying 2.4.3-ac6 to see what happens there.
idebus= isn't used in case there is no VL-BUS or PCI bus in your system.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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