[OM Cooker] [om-qa] Projected GA Release 12th August

Giuseppe Ghibò ghibomgx at gmail.com
Tue Aug 9 14:30:17 EDT 2016


On 08/08/2016 19:15, Colin Close wrote:
> Guiseppe
> Thank you for this but what happens if you have a crappy Intel as you primary and want to plug in a pcie card that need nouveau.
> One can turn the Intel card off at the command line but will the nouveau module then load?
> Best,
> Colin

This won't disable nouveau, only avoids it's autoloaded (i.e. inserted 
automatically when the card is detected at PCI level), the nouveau 
module still can modprobed later. Alternatives could be 2 or 3 entries 
of blacklisting plus adding special parameter to cmdline to disable at 
kernel boot (and regenerate the initrds). Of course this is a workaround 
for people who is not able to play with extra cmdlines or passing as 
grub options, as the real fix should be in nouveau (which should be made 
upstream).

To me mostly nouveau crashes with intel and a pretty new nvidia card 
(either 950M and 960M), and often also interferes with nvidia 
proprietary drivers (unless you force disabling at cmdline) which leads 
to always get a black screen at boot.

Just my 2c.

> On Saturday, 6 August 2016 15:37:43 BST Giuseppe Ghibò wrote:
>> On 06/08/2016 09:03, rugyada wrote:
>>> ISO 491 - In real HW live mode boot ok (with long delay)
>>>
>>> Qupzilla and oma-welcome coredump
>>>
>>> =====================================
>>> [live at localhost ~]$ om-welcome
>>> nouveau: kernel rejected pushbuf: File o directory non esistente
>>> nouveau: ch9: krec 0 pushes 0 bufs 2 relocs 0
>>> nouveau: ch9: buf 00000000 00000002 00000004 00000004 00000000
>>> nouveau: ch9: buf 00000001 00000006 00000004 00000000 00000004
>>> nouveau: kernel rejected pushbuf: File o directory non esistente
>>> nouveau: ch9: krec 0 pushes 0 bufs 2 relocs 0
>>> nouveau: ch9: buf 00000000 00000002 00000004 00000004 00000000
>>> nouveau: ch9: buf 00000001 00000006 00000004 00000000 00000004
>>> nouveau: kernel rejected pushbuf: File o directory non esistente
>>> nouveau: ch9: krec 0 pushes 0 bufs 2 relocs 0
>>> nouveau: ch9: buf 00000000 00000002 00000004 00000004 00000000
>>> nouveau: ch9: buf 00000001 00000006 00000004 00000000 00000004
>>> nouveau: kernel rejected pushbuf: File o directory non esistente
>>> nouveau: ch9: krec 0 pushes 0 bufs 2 relocs 0
>>> nouveau: ch9: buf 00000000 00000002 00000004 00000004 00000000
>>> nouveau: ch9: buf 00000001 00000006 00000004 00000000 00000004
>>> Errore di segmentazione (core dump creato)
>>> [live at localhost ~]$
>>>
>>> =====================================
>>> [live at localhost ~]$ qupzilla
>>> QupZilla: Creating new profile directory
>>> QupZilla: 0 extensions loaded
>>> AdBlockSubscription:: loadSubscription invalid format of adblock file
>>> "/home/live/.config/qupzilla/profiles/default/adblock/customlist.txt"
>>> qupzilla: pushbuf.c:727: void nouveau_pushbuf_data(struct
>>> nouveau_pushbuf *, struct nouveau_bo *, uint64_t, uint64_t):
>>> asserzione "kref" non riuscita.
>>> Annullato (core dump creato)
>>> [live at localhost ~]$
>> This patch should work as workaround for avoiding nouveau autoloading in
>> the case of hybrid graphics, where intel card can be used as alternative.
>>
>> Bye
>> Giuseppe.
>>
>>
>
>
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