Re: port-arm/52603: arm(v7?) vfp register corruption

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Oct 09, 2017 at 09:07:11PM +0200, Manuel Bouyer wrote:
> Some interresting patterns:
> 7: 107.700000 0.000000 107.700000
> 17: 118.700000 117.600000 118.700000
> 18: 119.800000 1.100000 119.800000
> 
> the '17' line looks just as if a previous value of the register from the
> same process had been restored
> 
> 27: 129.700000 129.700000 217.600000
> 
> here the wrong value looks like comming from another instance of the
> test program.

Some other interesting patterns:
16: 217.600000 218.700000 217.600000

I can't make much sense of this one


0: 100.000000 0.000000 100.000000  
1: 101.100000 1.100000 101.100000  
2: 102.200000 2.200000 102.200000  
3: 103.300000 3.300000 103.300000  
4: 104.400000 4.400000 104.400000  
5: 105.500000 5.500000 105.500000  
6: 106.600000 6.600000 106.600000  
7: 107.700000 7.700000 107.700000  
8: 108.800000 8.800000 108.800000  
9: 109.900000 9.900000 109.900000  
10: 111.000000 11.000000 111.000000
11: 112.100000 12.100000 112.100000
12: 113.200000 13.200000 113.200000
13: 114.300000 14.300000 114.300000
14: 115.400000 15.400000 115.400000
15: 116.500000 16.500000 116.500000
16: 117.600000 0.000000 117.600000
17: 118.700000 0.100000 118.700000
18: 119.800000 19.800000 119.800000
19: 120.900000 20.900000 120.900000
20: 122.000000 22.000000 122.000000
21: 123.100000 23.100000 123.100000
22: 124.200000 24.200000 124.200000
23: 125.300000 25.300000 125.300000
24: 126.400000 26.400000 126.400000
25: 127.500000 27.500000 127.500000
26: 128.600000 28.600000 128.600000
27: 129.700000 29.700000 129.700000
28: 130.800000 30.800000 130.800000
29: 131.900000 31.900000 131.900000
30: 133.000000 33.000000 133.000000
31: 134.100000 34.100000 134.100000

the whole set of registers is from another process.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--