Re: Loongson 2E boot failure

["Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>]

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On 26.07.2011 17:25, Colin Watson wrote:
> On Tue, Jul 26, 2011 at 02:12:30PM +0100, Colin Watson wrote:
>> A build of current trunk on mips-loongson with the addition of
>> http://pastebin.com/download.php?i=uzXkNBTP fails to boot on a Loongson
>> 2E system as follows:
>>
>>   PMON> ifaddr rtl0 192.168.114.37
>>   bootp=8000b968
>>   PMON> load tftp://192.168.114.32/nephele/vmlinux
>>   Loading file: tftp://192.168.114.32/nephele/vmlinux (elf)
>>   0x801ffb60/538744 +
>>   Entry address is 801ffb60
>>   PMON> g
>>      zero      at       v0       v1       a0       a1       a2       a3
>>    00000000 00000000 00000000 00000000 00000001 aff7fd10 aff7fd18 80095ad0
>>       t0       t1       t2       t3       t4       t5       t6       t7
>>    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>>       s0       s1       s2       s3       s4       s5       s6       s7
>>    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>>       t8       t9       k0       k1       gp       sp       s8       ra
>>    00000000 00000000 00000000 00000000 00000000 aff7fcf0 00000000 80063f90
> It looks like this register dump may be irrelevant; it seems to appear
> even on successful boots.
>
> Given the lack of output, we've been narrowing down the problem by
> inserting infinite loops at strategic points and testing whether we get
> back to a PMON prompt or not.  So far it looks as though the failure is
> somewhere in grub_font_init.
>
Looks like memory allocations are wrong. Try hardcoding heap at e.g.
81000000-82000000


-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko



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