Re: Big problem computer not booting

2017-08-11 Thread Jimmy Johnson

On 08/11/2017 01:45 AM, Fungi4All wrote:

From: field.engin...@gmail.com


To: debian-user@lists.debian.org

On 08/10/2017 12:00 PM, kelsang sherab wrote:

I run Debian stretch on MacBook Air

I did a restore backup from previous system[debian Jessie ]





I don"t know, but maybe I can help with the network, do an "#ifconfig
-a" to get the name of your interface and then "#ifconfig
(name-of-interface) up" and see if that helps get things going.


I suspect this has to do with the settings of systemd trying to bring a
functional network up before it completes the sequence, but as it is
set to give up at a point it finds yet a different place to get stuck.
I remember a while I had found where to set the time limit but didn't
record the find and while on wifi I have to deal with this delayed booting
myself.
But, on the above problem out of curiosity I found this piece that may
be helpful.  https://ubuntuforums.org/showthread.php?t=2254677
It seems on such machines the interrupts get all twisted and tangled
up.  Quote from the link:
"The ivrs table is wrong, it points to non existant IOAPIC[0] and IOAPIC[255], 
so to override this i use this commandline in grub:
ivrs_ioapic[7]=00:14.0 ivrs_ioapic[8]=00:00.1."


The tip is he restored from a previous system, so his network interface 
probable got a new name, it should be simple to fix if net-tools is 
installed. It's 2x60 seconds before the connection will timeout and 
continue to boot.


Cheers,
--
Jimmy Johnson

Debian Jessie - KDE 4.14.2 - AMD A8-7600 - EXT4 at sda6
Registered Linux User #380263



Re: Big problem computer not booting

2017-08-11 Thread Fungi4All
From: field.engin...@gmail.com

> To: debian-user@lists.debian.org
>
> On 08/10/2017 12:00 PM, kelsang sherab wrote:
>> I run Debian stretch on MacBook Air
>>
>> I did a restore backup from previous system[debian Jessie ]
>>
>> Now machine is not booting
>>
>> upon boot the machine gives the normal GRUB menu:
>> Debian GNU/Linux
>> Advanced options for Debian GNU/linux
>>
>> Click the 1st one
>>
>> saying
>> Loading etc
>> Loading initial ram disk
>>
>> then a list of checks
>>
>> [ 0.049346] DMAR-IR:[Firmware Bug] : ioapic 2 has no mappin iommu,
>> interrupt remapping will be disabled
>> /dev/sda2: clean, 348430/7118848 files, 7186186/28466432 blocks
>> [ 3.895353] sd 6:0:0:0: [sdb] No Caching mode page found
>> [ 3.895361] sd 6:0:0:0: [sdb] Assuming drive cache: write trhough
>> [FAILED] Failed to start Network Manager Wait Online.
>> See "systemctl status NetwrokManager-wait-online.service" for details.
>> then a list of things starting all [OK]
>>
>> and then nothing happens
>>
>> Switching the machine off and re-starting it into the advance option i
>> get some root access and i see al my files.I am not able to connect to the 
>> internet
>> When trying to do something like apt-get update
>> the system returns that a shared library libapt-pkg.so.4.12 is not
>> installed.
>> but I have no internet access so I cannot either find the lib or install
>> it. And so I cannot update the system and it feels like a catch 22
>> I could really do with some help
>
> I don"t know, but maybe I can help with the network, do an "#ifconfig
> -a" to get the name of your interface and then "#ifconfig
> (name-of-interface) up" and see if that helps get things going.

I suspect this has to do with the settings of systemd trying to bring a
functional network up before it completes the sequence, but as it is
set to give up at a point it finds yet a different place to get stuck.
I remember a while I had found where to set the time limit but didn't
record the find and while on wifi I have to deal with this delayed booting
myself.
But, on the above problem out of curiosity I found this piece that may
be helpful.  https://ubuntuforums.org/showthread.php?t=2254677
It seems on such machines the interrupts get all twisted and tangled
up.  Quote from the link:
"The ivrs table is wrong, it points to non existant IOAPIC[0] and IOAPIC[255], 
so to override this i use this commandline in grub:
ivrs_ioapic[7]=00:14.0 ivrs_ioapic[8]=00:00.1."

Re: Big problem computer not booting

2017-08-10 Thread Jimmy Johnson

On 08/10/2017 12:00 PM, kelsang sherab wrote:

I run Debian stretch on MacBook Air

I did a restore backup from previous system[debian Jessie ]

Now machine is not booting

upon boot the machine gives the normal GRUB menu:
Debian GNU/Linux
Advanced options for Debian GNU/linux

Click the 1st one

saying
Loading etc
Loading initial ram disk

then a list of checks

[  0.049346] DMAR-IR:[Firmware Bug] : ioapic 2 has no mappin iommu,
interrupt remapping will be disabled
/dev/sda2: clean, 348430/7118848 files, 7186186/28466432 blocks
[  3.895353] sd 6:0:0:0: [sdb] No Caching mode page found
[  3.895361] sd 6:0:0:0: [sdb] Assuming drive cache: write trhough
[FAILED] Failed to start Network Manager Wait Online.
See 'systemctl status NetwrokManager-wait-online.service' for details.
then a list of things starting all [OK]

and then nothing happens

Switching the machine off and re-starting it into the advance option i
get some root access and i see al my files.I am not able to connect to the 
internet
When trying to do something like apt-get update
the system returns that a shared library libapt-pkg.so.4.12 is not
installed.
but I have no internet access so I cannot either find the lib or install
it. And so I cannot update the system and it feels like a catch 22
I could really do with some help



I don't know, but maybe I can help with the network, do an '#ifconfig 
-a' to get the name of your interface and then '#ifconfig 
(name-of-interface) up' and see if that helps get things going.


Cheers,
--
Jimmy Johnson

Debian Jessie - KDE 4.14.2 - AMD A8-7600 - EXT4 at sda6
Registered Linux User #380263