Messages in this thread | | | Date | Wed, 16 Oct 2002 10:39:25 -0400 (AST) | From | dijital1 <> | Subject | Re: [BUG] 2.5.42+ reboot kills Dell Latitude keyboard |
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Is there a controller difference between the Inspiron 4100 and your latitude?
Ron Henry
"the illiterate of the future are not those who can neither read or write; but those who cannot learn, unlearn, and relearn..."
On 17 Oct 2002, Eric W. Biederman wrote:
> Mikael Pettersson <mikpe@csd.uu.se> writes: > > > Eric W. Biederman writes: > > > Mikael Pettersson <mikpe@csd.uu.se> writes: > > > > > > > Dell Latitude CPi laptop. Boot 2.5.42 or .43, then reboot. > > > > Shortly after the screen is blanked and the BIOS starts, it > > > > prints a "keyboard error" message and requests an F1 or F2 > > > > response (continue or go into SETUP). Never happened with any > > > > other kernel on that machine. > > > > > > > > Apparently the 2.5.42+ "let's shut everything down at reboot" > > > > change > > > > > > There was no such change just a discussion of what the kernel > > > has been doing since 2.5.8 or so. > > > > > > > put the keyboard controller in a state which is inconsistent > > > > with the BIOS' expections at a warm boot. > > > > > > There is a bug in device_suspend. device_shutdown, and device_suspend > > > where merged and the POWER_DOWN case now removes the drivers which > > > is a bug. You may be getting hit with that. > > > > > > Eric Blade has posed a patch fixing that. > > > > I tried Eric Blade's patch > > <http://marc.theaimsgroup.com/?l=linux-kernel&m=103477012517984&w=2> > > but it didn't make any difference. Same keyboard error as before. > > > > So either the patch doesn't change what actions are taken on reboot, > > Correctly only what actions are taken before reboot, are changed. > > > or the keyboard (std SERIO_I8042 + ATKBD PC stuff) driver was also > > broken in the 2.5.41->2.5.42 step. > > There is something in the ChangeLog about fixing the keyboard reboot > case. I don't see where the code changes in the patch but the > keyboard code was touched quite a bit. > > So I suspect the keyboard driver also does the wrong thing for > you in this case. > > Eric > - > 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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