Re: [grub-devel] loongson-2f mini-pc (fuloong) elf image generation.

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 04.11.2013 02:10, Javier Vasquez wrote:
> On 11/1/13, Vladimir 'φ-coder/phcoder' Serbinenko <address@hidden> wrote:
>> On 01.11.2013 22:26, Aleš Nesrsta wrote:
>>>
>>>
>>> Dne 29.10.2013 19:46, Vladimir 'φ-coder/phcoder' Serbinenko napsal(a):
>>>> On 29.10.2013 19:35, Aleš Nesrsta wrote:
>>>>> Only short note below...
>>>>>
>>>>> Dne 27.10.2013 23:43, Vladimir 'φ-coder/phcoder' Serbinenko napsal(a):
>>>>>> On 27.10.2013 21:03, Aleš Nesrsta wrote:
>>>>>>>
>>>>>>>
>>>>>>> 2.
>>>>>>> I don't see loading of OHCI module in debug output !
>>>>>>> Do you really have this module included in your image?
>>>>>> I have to second this: OHCI module if loaded and there is at least one
>>>>>> PCI device available it will show "pciid = %x" message.
>>>>>> Can you modify grub_real_dprintf in misc.c to:
>>>>>> if (!debug)
>>>>>>     debug = "all";
>>>>>>
>>>>>> So we can be sure that the message wasn't simply lost due to late
>>>>>> setting of debug variable.
>>>>>
>>>>>
>>>>> AFAIK, dl.c module should display for each loaded module something like
>>>>> this (when debug=all as in Javier case):
>>>>> "kern/dl.c:630: module name: ehci"
>>>>> This is missing for OHCI module in debug output sent by Javier, even
>>>>> grub.cfg command to load OHCI is present on the beginning of debug
>>>>> output:
>>>>> ...
>>>>> script/lexer.c:321: token 288 text [insmod]
>>>>>
>>>>> script/script.c:50: malloc 0x8ff1d920
>>>>>
>>>>> script/script.c:50: malloc 0x8ff1d900
>>>>>
>>>>> script/script.c:163: arglist
>>>>>
>>>>> script/script.c:50: malloc 0x8ff1d8d0
>>>>>
>>>>> script/lexer.c:321: token 288 text [ohci]
>>>>> ...
>>>>>
>>>>> I.e., from my point of view, it is sure that OHCI module was not loaded
>>>>> - but there is no debug output which can explain why...
>>>> It's possible that a module named ohci already loaded.
>>> Hm. Originally I didn't believe it but you are right. Additionally, it
>>> is probably the case of the second Javier dump - there is missing dl.c
>>> message also for loading of EHCI module even it is working - so EHCI had
>>> to be loaded before insmod command.
>>>
>>> Is it there some way how Javier can avoid it?
>>> I.e., how to load USB drivers at the time when their debug output can be
>>> captured - ? We need to see debug output of initialization of OHCI
>>> controller and connected devices...
>>>
>> --disk-module=pata to grub-install.
>>> BR, Ales
>>>
>>> _______________________________________________
>>> Grub-devel mailing list
>>> address@hidden
>>> https://lists.gnu.org/mailman/listinfo/grub-devel
>>
>>
>>
> 
> Hmm,
> 
> The following just fails:
> 
> % sudo grub-install --boot-directory=/boot --target=mipsel-loongson
> --modules="ehci ohci usb_keyboard" --disk-module=pata --recheck
> /dev/sda
> /usr/bin/grub-mkimage: error: cannot open
> `grub-core/kern/disk.c:196:.mod': No such file or directory.
> 
> I just compiled/installed grub from git checksum
> 323de05ba27594861c75eec0b39cb01049a023c9.
> 
> I suppose I better wait, so that I can provide the right output dump.
> 
When you do grub_dprintf change you have to do it like:
  if (!debug)
#ifdef GRUB_UTIL
     return;
#else
     debug="all";
#endif
> Thanks,
>

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