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Red Hat Bugzilla – Attachment 572002 Details for
Bug 805813
the seventh test (random number sequence) fails at about 129 MiB
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[patch]
Temporal workaround
memtest86+-4.20-gcc47-test7-workaround.patch (text/plain), 1.34 KB, created by
Jaroslav Škarvada
on 2012-03-22 14:06:12 UTC
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Description:
Temporal workaround
Filename:
MIME Type:
Creator:
Jaroslav Škarvada
Created:
2012-03-22 14:06:12 UTC
Size:
1.34 KB
patch
obsolete
>diff -up memtest86+-4.20/test.c.test memtest86+-4.20/test.c >--- memtest86+-4.20/test.c.test 2011-01-23 19:11:04.000000000 +0100 >+++ memtest86+-4.20/test.c 2012-03-22 14:21:27.737524043 +0100 >@@ -260,7 +260,7 @@ void movinvr() > int i, j, done, seed1, seed2; > volatile ulong *pe; > volatile ulong *start,*end; >- ulong num; >+ ulong num, bad; > uintptr_t seg_start; > > /* Initialize memory with initial sequence of random numbers. */ >@@ -296,12 +296,12 @@ void movinvr() > break; > } > /* Original C code replaced with hand tuned assembly code */ >-/* >+ > for (; p < pe; p++) { > *p = rand(); > } >- */ > >+/* > asm __volatile__ ( > "jmp L200\n\t" > ".p2align 4,,7\n\t" >@@ -315,7 +315,7 @@ void movinvr() > : "D" (p), "b" (pe) > : "eax", "edx" > ); >- >+*/ > do_tick(); > BAILR > } while (!done); >@@ -348,7 +348,7 @@ void movinvr() > break; > } > /* Original C code replaced with hand tuned assembly code */ >-/* >+ > for (; p < pe; p++) { > num = rand(); > if (i) { >@@ -359,12 +359,13 @@ void movinvr() > } > *p = ~num; > } >-*/ >+ > if (i) { > num = 0xffffffff; > } else { > num = 0; > } >+/* > asm __volatile__ ( > "jmp L26\n\t" \ > >@@ -401,6 +402,7 @@ void movinvr() > : "D" (p), "S" (pe), "b" (num) > : "eax", "ecx", "edx" > ); >+*/ > do_tick(); > BAILR > } while (!done);
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bug 805813
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571941
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