> Date: Tue, 5 Apr 2016 15:14:32 +0100
> From: Ken Moffat <[email protected]>
> Subject: Re: [blfs-support] [Ken Moffat] LFS 7.9
>
> On Tue, Apr 05, 2016 at 01:27:33PM +0200, Gerhard Gedigk wrote:
> > > Gesendet: Dienstag, 05. April 2016 um 03:59 Uhr
> > > Von: "Ken Moffat" <[email protected]>
> > > An: "BLFS Support List" <[email protected]>
> > > Betreff: Re: [blfs-support] LFS 7.9 kernel panic
> > > On Tue, Apr 05, 2016 at 12:26:16AM +0200, Gerhard Gedigk wrote:
> > > >
> > > > My first hard disk always shows up as /dev/sda. My second hard disk
> > > > shows as
> > > > /dev/sdb. The other disks arrive under changing devices.
> > > >
> > > Is your problematic 7.9 install on one of those two disks ? If it
> > > is, try copying the whole grub entry for it, giving it a different
> > > name in the menu so that you can identify which is which, and
> > > changing the root= in the copy from sdaX to sdbX or vice-versa.
> > >
> > No, it is a new device, the fifth at the controller.
> >
>
> If it was my system, I would still try the approach I suggested -
> but obviously checking whether or not /dev/sdX boots to the desired
> system. In my experience, adding a new disk _can_ change the order
> the kernel sees them.
>
Gerhard, from the grub.cfg that you posted early today, it looks
like maybe it's 'only' windows on sda : IFF it won't cause windows/&c
to complain or worse, then, to perhaps expand on Ken's suggestion:
====
1) disconnect the windows disk, disconnect your lfs79 disk, then
connect the lfs79 disk to where the windows disk had been connected.
2) verify that your original sdb (mint/lfs77/...) is still sdb and
that its os's (mint/lfs77/...) can boot ok.
If not, then via grub menu, see what device it is now at; and what
is the lfs79 disk. See if you can boot ok manually lfs77/mint/lfs79
via grub menu.
If still not working, then just revert the hardware setup -
ie windows on sda, &c.
3)a) If at step '2)', lfs77/mint disk _is_ still sdb, and lfs79 disk
_is_ sda, then: add a menu entry for lfs79, to the grub.cfg (ie
the one that, as said, you posted early today), but _as if_ the
lfs79 disk was connected to sda . Then verify that you can still
boot mint/lfs77; and see if you can boot also boot the lfs79 .
b) If instead you have somehow lfs77/mint disk at sda and lfs disk
at sdb, then just boot mint/lfs77 manually from grub menu, then
adapt '3)a)' (first make a backup-copy of the original mint/lfs77
grub.cfg) such that the grub.cfg reflects the sd{a,b} assignments.
====
hth,
akh
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