Re: [Mactel-linux-users] updating kernel screws up grub?

[Geoffrey <li...@se...>]

Justin P. Mattock wrote:
> On 04/21/2010 09:57 AM, Geoffrey wrote:
>> Justin P. Mattock wrote:
>>> On 04/21/2010 09:30 AM, Geoffrey wrote:
>>>> Justin P. Mattock wrote:
>>>>> On 04/21/2010 09:11 AM, Geoffrey wrote:
>>>>>> Justin P. Mattock wrote:
>>>>>>> On 04/21/2010 06:55 AM, Geoffrey wrote:
>>>>>>>> So I rebuilt my kernel, insuring that I had ext3 support and I
>>>>>>>> still get
>>>>>>>> a panic, although it is a different message:
>>>>>>>>
>>>>>>>> Kernel panic - not syncing: VFS: Unable to mount root fs on
>>>>>>>> unknown-block(0,0)
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> check your /etc/fstab and make sure
>>>>>>> that it's /dev/sda* instead of /dev/hda*
>>>>>>> (if your using the older ati-piix it's should
>>>>>>> be /dev/hda* but using the new ati-piix it's
>>>>>>> /dev/sda*)but could be wrong).
>>>>>>
>>>>>> Actually it's using the LABEL nomenclature, do you think this 
>>>>>> could be
>>>>>> my problem?
>>>>>>
>>>>>> LABEL=/ / ext3 defaults 1 1
>>>>>>
>>>>>>
>>>>>
>>>>> could be..
>>>>> here's what I have:
>>>>> cat /etc/fstab
>>>>>
>>>>> # file system mount-point type options dump fsck
>>>>> # order
>>>>>
>>>>> /dev/sda3 / ext4 defaults,errors=remount-ro,user_xattr 1 1
>>>>> /dev/sda4 swap swap pri=1 0 0
>>>>> /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
>>>>> proc /proc proc defaults 0 0
>>>>> sysfs /sys sysfs defaults 0 0
>>>>> devpts /dev/pts devpts gid=4,mode=620 0 0
>>>>> tmpfs /dev/shm tmpfs defaults 0 0
>>>>> #none /selinux selinuxfs defaults 0 0
>>>>> # End /etc/fstab
>>>>>
>>>>> does changing LABEL=/ to your device do anything?
>>>>
>>>> Just tried that, no difference.
>>>>
>>>>>
>>>>> Justin P. Mattock
>>>>>
>>>>
>>>>
>>>
>>> hm.. I'm wondering if your hitting something
>>> with grub and the kernel i.g. I remember hitting something
>>> similar because I had no bzimage just raw make install
>>> vmlinuz(ended up having to upgrade to grub2 so that grub(*)
>>> was able to read the extra bits and so forth or something
>>> in that area).
>>>
>>> Also hit another issue similar as well with
>>> PCI_MMCONFIG [=y]
>>> (but this could already be fixed).
>>
>> I changed my grub entry for root from:
>>
>> root=LABEL=/
>>
>> to
>>
>> root=/dev/sda8
>>
>> Now I get a spontaneous reboot. I tried to snap a photo of it before it
>> reboot, but it's blurred. I'll try again. Weird thing is that it says
>> something about wacom driver and then a reference to reiserfs or some
>> such. I don't know what the wacom driver would have to do with reiserfs,
>> but I'm not using reiserfs anyway.
>>
>>
> 
> so changing your grub at-least takes care of the unable to find
> VFS thing?!
> and now the system boots up, and then instantly
> reboot's? I have seen reports of things like that,
> but have never hit something like that(if you can try early debugging 
> with a remote machine to grab dmesg)

Not exactly sure how to go about that.  I will try to video the boot 
process so I can provide better info.

> 
> Justin P. Mattock
> 


-- 
Until later, Geoffrey

"I predict future happiness for America if they can prevent
the government from wasting the labors of the people under
the pretense of taking care of them."
- Thomas Jefferson