The patch titled
markup_oops.pl: fix $func_offset error with x86_64
has been removed from the -mm tree. Its filename was
markup_oopspl-fix-func_offset-error-with-x86_64.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: markup_oops.pl: fix $func_offset error with x86_64
From: Hui Zhu <teawater@xxxxxxxxx>
When I use markup_oops.pl parse a x8664 oops, I got:
objdump: --start-address: bad number: NaN
No matching code found
This is because:
main::(./m.pl:228): open(FILE, "objdump -dS --adjust-vma=$vmaoffset --start-address=$decodestart --stop-address=$decodestop $filename |") || die "Cannot start objdump";
DB<3> p $decodestart
NaN
This NaN is from:
main::(./m.pl:176): my $decodestart = Math::BigInt->from_hex("0x$target") - Math::BigInt->from_hex("0x$func_offset");
DB<2> p $func_offset
0x175
There is already a "0x" in $func_offset, another 0x makes it a NaN.
The $func_offset is from line:
if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\] \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
$function = $1;
$func_offset = $2;
}
I make a patch to change "(0x[0-9a-f]+)\/0x[a-f0-9]/)" to "0x([0-9a-f]+)\/0x[a-f0-9]/)".
Signed-off-by: Hui Zhu <teawater@xxxxxxxxx>
Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/markup_oops.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN scripts/markup_oops.pl~markup_oopspl-fix-func_offset-error-with-x86_64 scripts/markup_oops.pl
--- a/scripts/markup_oops.pl~markup_oopspl-fix-func_offset-error-with-x86_64
+++ a/scripts/markup_oops.pl
@@ -158,7 +158,7 @@ while (<STDIN>) {
$function = $1;
$func_offset = $2;
}
- if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\] \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
+ if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\] \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+0x([0-9a-f]+)\/0x[a-f0-9]/) {
$function = $1;
$func_offset = $2;
}
_
Patches currently in -mm which might be from teawater@xxxxxxxxx are
origin.patch
linux-next.patch
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