[Mldonkey-bugs] [bugs #7656] mldonkey Bus erros in static

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[Mldonkey-bugs] [bugs #7656] mldonkey Bus erros in static_tiger on Solar

From:	spiralvoice
Subject:	[Mldonkey-bugs] [bugs #7656] mldonkey Bus erros in static_tiger on Solaris 9
Date:	Fri, 09 Apr 2004 10:27:53 -0400
User-agent:	Mozilla/5.0 (Windows; U; Windows NT 5.0; de-AT; rv:1.6) Gecko/20040113

This mail is an automated notification from the bugs tracker
 of the project: mldonkey, a multi-networks file-sharing client.

/**************************************************************************/
[bugs #7656] Latest Modifications:

Changes by: 
                spiralvoice <address@hidden>
'Date: 
                Fri 04/09/04 at 14:27 (Europe/Berlin)

------------------ Additional Follow-up Comments ----------------------------
Please try this patch:
http://savannah.nongnu.org/patch/index.php?func=detailitem&item_id=2926






/**************************************************************************/
[bugs #7656] Full Item Snapshot:

URL: <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=7656>
Project: mldonkey, a multi-networks file-sharing client
Submitted by: 0
On: Mon 02/09/04 at 22:54

Category:  Core
Severity:  5 - Average
Item Group:  Segmentation Fault
Resolution:  None
Assigned to:  None
Status:  Open
Release:  2.5.[5-9]
Release:  2.5.9
Platform Version:  Solaris
Binaries Origin:  Binary from Savannah
CPU type:  Sparc


Summary:  mldonkey Bus erros in static_tiger on Solaris 9

Original Submission:  $ dbx mlnet
For information about new features see `help changes'
To remove this message, put `dbxenv suppress_startup_message 7.1' in your .dbxrc
Reading mlnet
Reading ld.so.1
Reading libz.so.1
Reading libnsl.so.1
Reading libsocket.so.1
Reading libm.so.1
Reading libdl.so.1
Reading libc.so.1
Reading libmp.so.2
Reading libc_psr.so.1
(dbx) run
Running: mlnet 
(process id 17186)
signal BUS (invalid address alignment) in static_tiger at 0x2d76b0
0x002d76b0: static_tiger+0x0028:        st      %o4, [%g1]
(dbx) where
=>[1] static_tiger(0x4058d8, 0x0, 0x401, 0xffbfed21, 0x0, 0x401), at 0x2d76b0 
  [2] tiger_hash(0x0, 0x479de0, 0x400, 0xffbfed21, 0x0, 0x0), at 0x2d7c0c 
  [3] tiger_tree_string(0x479de0, 0x401, 0x0, 0x400, 0xffbfed21, 0x800), at 
0x2d7ca0 
  [4] tiger_tree_string(0x479de0, 0x401, 0x0, 0x800, 0x442464, 0x800), at 
0x2d7d48 
  [5] tigertree_unsafe_string(0x442464, 0x479de0, 0x803, 0x4425b8, 0x479de0, 
0x4435b8), at 0x2d7e68 
  [6] caml_c_call(0x442464, 0x479de0, 0x803, 0x3d5af0, 0x7, 0x4426d4), at 
0x2ef77c 
  [7] caml_main(0xffbfefec, 0x0, 0x0, 0x0, 0x0, 0x0), at 0x2dfe80 
  [8] main(0x1, 0xffbfefec, 0xffbfeff4, 0x42a438, 0x0, 0x0), at 0x2dfec8 
(dbx) backtrace
backtrace: not found
(dbx) bt
bt: not found
(dbx) pwd
/raid/homedirs/bdelbono/mldonkey-2.5.9
(dbx) uname -a
SunOS zion 5.9 Generic_112233-11 sun4u sparc SUNW,Ultra-Enterprise
(dbx) gcc -v
Reading specs from /opt/csw/gcc3/lib/gcc-lib/sparc-sun-solaris2.8/3.3.2/specs
Configured with: ../gcc-3.3.2/configure --prefix=/opt/csw/gcc3 
--with-local-prefix=/opt/csw/gcc3 --enable-multilib --disable-nls 
--enable-threads
Thread model: posix
gcc version 3.3.2
(dbx) quit


Follow-up Comments
------------------


-------------------------------------------------------
Date: Fri 04/09/04 at 14:27         By: spiralvoice
Please try this patch:
http://savannah.nongnu.org/patch/index.php?func=detailitem&item_id=2926

-------------------------------------------------------
Date: Fri 04/09/04 at 12:09         By: spiralvoice
There is a new patch: http://www.8ung.at/spiralvoice/patches/tiger.patch
Patch source: 
http://mldonkey.berlios.de/modules.php?name=Forums&file=viewtopic&p=12516#12516


-------------------------------------------------------
Date: Mon 02/16/04 at 22:12         By: gab
http://mail.gnu.org/archive/html/mldonkey-bugs/2004-02/msg00006.html


-------------------------------------------------------
Date: Fri 02/13/04 at 01:41         By: bdelbono
Index: tiger.c
===================================================================
RCS file: /cvsroot/mldonkey/mldonkey/src/utils/lib/tiger.c,v
retrieving revision 1.4
diff -u -r1.4 tiger.c
--- tiger.c     20 Nov 2003 16:43:26 -0000      1.4
+++ tiger.c     13 Feb 2004 01:17:07 -0000
@@ -176,7 +176,9 @@
 static void static_tiger(word64 *str, word64 length, word64 res[3])
 {
   register word64 i, j;
-  unsigned char temp[64];
+  word64 temp_[64 / 8];
+  unsigned char *temp = (unsigned char *) temp_;
+/*  unsigned char temp[64]; */

   res[0]=0x0123456789ABCDEFLL

I still get:
=>[1] static_tiger(str = 0x472b00, length = 1025ULL, res = 0xffbfed09), line 
183 in "tiger.c"
  [2] tiger_hash(prefix = '', s = 0x4e7de0 
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
 ..., len = 1024, digest = 0xffbfed09 "?x94Lxff?x94L"), line 788 in "tiger.c"
  [3] tiger_tree_string(s = 0x4e7de0 
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
 ..., len = 1025, pos = 0, block_size = 1024, digest = 0xffbfed09 
"?x94Lxff?x94L"), line 808 in "tiger.c"
  [4] tiger_tree_string(s = 0x4e7de0 
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
 ..., len = 1025, pos = 0, block_size = 2048, digest = 0x4af6a4 ""), line 815 
in "tiger.c"
  [5] tigertree_unsafe_string(digest_v = 4912804, string_v = 5144032, len_v = 
2051), line 850 in "tiger.c"
  [6] caml_c_call(0x4af6a4, 0x4e7de0, 0x803, 0x442d18, 0x7, 0x4af914), at 
0x33fbd8
  [7] caml_main(0xffbfefd4, 0x0, 0x0, 0x0, 0x0, 0x0), at 0x3302dc
  [8] main(0x1, 0xffbfefd4, 0xffbfefdc, 0x497668, 0x0, 0x0), at 0x330324


It's definetly a problem with declaring temp which causes this on Solaris 
(SPARC).

-------------------------------------------------------
Date: Wed 02/11/04 at 18:16         By: None

Falk Hueffner wrote:

> Looks like it's doing unaligned accesses on temp:
> 
> static void static_tiger(word64 *str, word64 length, word64 res[3])
> {
>   ...
>   unsigned char temp[64];
>   ...
>   ((word64*)(&(temp[56])))[0] = ((word64)length)<<3;
> 
> 
> try replacing temp's declaration with
> 
> word64 temp_[64 / 8];
> unsigned char *temp = (unsigned char *) temp_;

I tried doing this:

--- tiger.c     Mon Feb  9 02:41:40 2004
+++ ../../../../../mldonkey-2.5.9/src/utils/lib/tiger.c Tue Feb 10 
09:26:15 2004
@@ -176,7 +176,10 @@
  static void static_tiger(word64 *str, word64 length, word64 res[3])
  {
    register word64 i, j;
-  unsigned char temp[64];
+  word64 temp_[64 / 8];
+  unsigned char *temp = (unsigned char *) temp_;
+  / * Commenting out this line as it causes bus errors */
+  /* unsigned char temp[64]; */

    res[0]=0x0123456789ABCDEFLL;
    res[1]=0xFEDCBA9876543210LL;


However, I still have the bus errors:

(dbx) run
Running: mlnet
(process id 25001)
signal BUS (invalid address alignment) in static_tiger at 0x32600c
0x0032600c: static_tiger+0x0030:        st      %o4, [%g1]
(dbx) where
=>[1] static_tiger(0x4707b8, 0x0, 0x401, 0xffbfed21, 0x0, 0x401), at 
0x32600c
   [2] tiger_hash(0x0, 0x4e4de0, 0x400, 0xffbfed21, 0x0, 0x0), at 0x326564
   [3] tiger_tree_string(0x4e4de0, 0x401, 0x0, 0x400, 0xffbfed21, 
0x800), at 0x3265f8
   [4] tiger_tree_string(0x4e4de0, 0x401, 0x0, 0x800, 0x4ad344, 0x800), 
at 0x3266a0
   [5] tigertree_unsafe_string(0x4ad344, 0x4e4de0, 0x803, 0x4ad498, 
0x4e4de0, 0x4ae498), at 0x3267c0
   [6] caml_c_call(0x4ad344, 0x4e4de0, 0x803, 0x4409d0, 0x7, 0x4ad5b4), 
at 0x33e0d4
   [7] caml_main(0xffbfefec, 0x0, 0x0, 0x0, 0x0, 0x0), at 0x32e7d8
   [8] main(0x1, 0xffbfefec, 0xffbfeff4, 0x495318, 0x0, 0x0), at 0x32e820


Kind Regards,

-Bruno




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-------

CC Address                          | Comment
------------------------------------+-----------------------------
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<http://savannah.nongnu.org/bugs/?func=detailitem&item_id=7656>

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