Re: AHCI Problems using master (a80975a)

[Sven Gaerner <sgaerner@xxxxxxx>]

On Wed, 13 Apr 2011 08:29:39 +0800
Sepherosa Ziehau wrote:

> On Wed, Apr 13, 2011 at 5:04 AM, Sven Gaerner <sgaerner@gmx.net>
> wrote:
> > Hi,
> >
> > I just upgraded to master (a8097a) from the latest 2_8 branch
> > commit and rebuild and installed world and kernel.  After booting
> > the upgraded system xpt fails to configure and mounting the root
> > filesystem also fails.
> >
> > The reported error is:
> >        hammer_mountroot: can't find devvp
> >
> > After booting with AHCI disabled, the system starts up, still
> > reporting xpt errors, but mounting the root filesystem succeeded.
> >  So I can use the system.
> >
> > My /boot/loader.conf:
> >
> >        vfs.root.mountfrom="hammer:serno/WD-WXC0A9997024.s2d"
> >        kern.emergency_intr_enable=1
> >        if_ath_load="YES"
> >        snd_hda_load="YES"
> >        dm_load="YES"
> >        loader_color="YES"
> >
> > I guess the xpt problem is not the reason why root cannot be
> > mounted, because the errors are also shown if AHCI is disabled.
> >  The problem with the root filesystem seems to be that the hard
> > drives are not detected properly.  The prompt that is shown if
> > booting with AHCI enabled fails also does not show the hard drives.
> >
> > I attached a dmesg created after
> >        set hint.ahci.disabled=1
> >        boot -v
> >
> > Are there any hints how to get more details on that problem or how
> > to solve it?
> 
> I suggest you to build X86_64_GENERIC_SMP instead of X86_64_GENERIC
> 
> Best Regards,
> sephe
> 
> Best Regards,
> sephe
> 

Thanks for the suggestion. This works indeed, but with that kernel
version, my USB keyboard was not usable. But after upgrading to a more
recent master version, everything works fine now.

Regards,
Sven


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