Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-03 Thread Thiemo Seufer 
tags 336167 +patch
thanks

Sven Luther wrote:
[snip]
  The appended patch reverts a single line of the diff between 4.0.2-2
  and 4.0.2-3 and lets the testcase succeed. I don't know that part of
  gcc enough to judge if it is a valid fix for the problem.
  
  Sven, could you test if this fixes also the problem you see?
 
 Ok, i will, altough i would need to rebuild gcc, so it will not be before
 tomorrow that i can test it.

The appended patch fixes the problems for mips-linux, tested with a
kernel build and builds of ncpfs and mypasswordsafe.

Sven, can you test this patch?


Thiemo


2005-11-02  Eric Botcazou  [EMAIL PROTECTED]

PR rtl-optimization/23585
* rtlanal.c (rtx_addr_can_trap_p_1) PLUS: Return 0 for an address
that can't trap plus a constant integer, if the mode has zero size.


Index: rtlanal.c
===
RCS file: /cvs/gcc/gcc/gcc/rtlanal.c,v
retrieving revision 1.221
diff -u -p -r1.221 rtlanal.c
--- rtlanal.c   20 Oct 2005 12:14:29 -  1.221
+++ rtlanal.c   2 Nov 2005 09:32:05 -
@@ -267,7 +267,9 @@ rtx_addr_can_trap_p_1 (rtx x, enum machi
{
  HOST_WIDE_INT offset;
 
- if (!STRICT_ALIGNMENT || !unaligned_mems)
+ if (!STRICT_ALIGNMENT
+ || !unaligned_mems
+ || GET_MODE_SIZE (mode) == 0)
return 0;
 
  offset = INTVAL (XEXP (x, 1));



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Processed: Re: Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-03 Thread Debian Bug Tracking System 
Processing commands for [EMAIL PROTECTED]:

 tags 336167 +patch
Bug#336167: gcc-4.0: breaks kernel builds in random ways.
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Tags added: patch

 thanks
Stopping processing here.

Please contact me if you need assistance.

Debian bug tracking system administrator
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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-03 Thread Sven Luther 
On Thu, Nov 03, 2005 at 01:28:57PM +0100, Thiemo Seufer wrote:
 tags 336167 +patch
 thanks
 
 Sven Luther wrote:
 [snip]
   The appended patch reverts a single line of the diff between 4.0.2-2
   and 4.0.2-3 and lets the testcase succeed. I don't know that part of
   gcc enough to judge if it is a valid fix for the problem.
   
   Sven, could you test if this fixes also the problem you see?
  
  Ok, i will, altough i would need to rebuild gcc, so it will not be before
  tomorrow that i can test it.
 
 The appended patch fixes the problems for mips-linux, tested with a
 kernel build and builds of ncpfs and mypasswordsafe.
 
 Sven, can you test this patch?

Do i need to apply the above mentioned patch too or just this one ? 

Friendly,

Sven Luther



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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-03 Thread Thiemo Seufer 
Sven Luther wrote:
 On Thu, Nov 03, 2005 at 01:28:57PM +0100, Thiemo Seufer wrote:
  tags 336167 +patch
  thanks
  
  Sven Luther wrote:
  [snip]
The appended patch reverts a single line of the diff between 4.0.2-2
and 4.0.2-3 and lets the testcase succeed. I don't know that part of
gcc enough to judge if it is a valid fix for the problem.

Sven, could you test if this fixes also the problem you see?
   
   Ok, i will, altough i would need to rebuild gcc, so it will not be before
   tomorrow that i can test it.
  
  The appended patch fixes the problems for mips-linux, tested with a
  kernel build and builds of ncpfs and mypasswordsafe.
  
  Sven, can you test this patch?
 
 Do i need to apply the above mentioned patch too or just this one ? 

Only this one (it is already in upstream, btw.), the previous one was wrong.


Thiemo


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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-03 Thread Sven Luther 
On Thu, Nov 03, 2005 at 02:01:18PM +0100, Thiemo Seufer wrote:
 Sven Luther wrote:
  On Thu, Nov 03, 2005 at 01:28:57PM +0100, Thiemo Seufer wrote:
   tags 336167 +patch
   thanks
   
   Sven Luther wrote:
   [snip]
 The appended patch reverts a single line of the diff between 4.0.2-2
 and 4.0.2-3 and lets the testcase succeed. I don't know that part of
 gcc enough to judge if it is a valid fix for the problem.
 
 Sven, could you test if this fixes also the problem you see?

Ok, i will, altough i would need to rebuild gcc, so it will not be 
before
tomorrow that i can test it.
   
   The appended patch fixes the problems for mips-linux, tested with a
   kernel build and builds of ncpfs and mypasswordsafe.
   
   Sven, can you test this patch?
  
  Do i need to apply the above mentioned patch too or just this one ? 
 
 Only this one (it is already in upstream, btw.), the previous one was wrong.

Ok, will do, but don't expect result soon, i think my box uses days to run all
the gcc test cases (failing over all the ppc64 ones obviously).

Friendly,

Sven Luther



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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-01 Thread Thiemo Seufer 
Thiemo Seufer wrote:
 Sven Luther wrote:
  Package: gcc-4.0
  Version: 4.0.2-3
  Severity: grave
  Justification: renders package unusable
  
  
  Well, i confirm that this problem is also present on powerpc, using
  gcc-4.0 4.0.2-3 makes the kernel build fail, while using -2 seems to be
  ok. I have heard people mentioning two other arches where this is the
  case (m68k and mips i think) on irc (on #debian-release i think even,
  not sure), but no bug has been filed so i do it now.
  
  My powerpc builds failed with :
 
 For mips 2.6.12, which built fine with gcc 4.0.2-2:
 
   CC [M]  fs/reiserfs/tail_conversion.o
 fs/reiserfs/tail_conversion.c: In function 'direct2indirect':
 fs/reiserfs/tail_conversion.c:138: internal compiler error:
 Floating point exception
 Please submit a full bug report,
 with preprocessed source if appropriate.
 See URL:http://gcc.gnu.org/bugs.html for instructions.
 For Debian GNU/Linux specific bug reporting instructions,
 see URL:file:///usr/share/doc/gcc-4.0/README.Bugs.
 make[5]: *** [fs/reiserfs/tail_conversion.o] Error 1
 make[4]: *** [fs/reiserfs] Error 2
 
 Sorry, no testcase yet.

The attached testcase triggers this bug on mips-linux when compiled
with gcc -O2 -mabi=64 -c

The appended patch reverts a single line of the diff between 4.0.2-2
and 4.0.2-3 and lets the testcase succeed. I don't know that part of
gcc enough to judge if it is a valid fix for the problem.

Sven, could you test if this fixes also the problem you see?


Thiemo
/* gcc -O2 -mabi=64 -c -o foo.o foo.c */

struct offset_v1 {
int k_uniqueness;
};

struct offset_v2 {
 long v;
} __attribute__ ((__packed__));

struct reiserfs_key {
int k_objectid;
union {
 struct offset_v1 k_offset_v1;
 struct offset_v2 k_offset_v2;
} u;
};

struct item_head
{
 struct reiserfs_key ih_key;
 int ih_version;
};

static void set_offset_v2_k_type(struct offset_v2 *v2)
{
v2-v = 1;
}

static void set_le_key_k_type (int version, struct reiserfs_key * key)
{
version ? (key-u.k_offset_v1.k_uniqueness = 1)
	: set_offset_v2_k_type((key-u.k_offset_v2));
}

static void set_le_ih_k_type (struct item_head * ih)
{
set_le_key_k_type((__builtin_constant_p((ih)-ih_version) ? (ih)-ih_version : (ih)-ih_version), (ih-ih_key));
}

void boo(struct item_head *ih, const char *body);

void direct2indirect(void)
{
struct item_head *p_le_ih;
struct item_head ind_ih;
unsigned int unfm_ptr;

if (__builtin_expect(32, 0)) __asm__ (break);

set_le_ih_k_type (ind_ih);

if (__builtin_constant_p(p_le_ih) ? 1 : 2) {
(__builtin_constant_p(__builtin_constant_p(1) == 1));
  boo(ind_ih, (char *)unfm_ptr);
}
}
--- gcc-4.0-4.0.2.new/src/gcc/reorg.c   2005-09-03 21:09:51.0 +0200
+++ gcc-4.0-4.0.2/src/gcc/reorg.c   2005-10-31 23:16:47.0 +0100
@@ -2653,7 +2653,7 @@ fill_slots_from_thread (rtx insn, rtx co
  if (!must_annul
   (condition == const_true_rtx
  || (! insn_sets_resource_p (trial, opposite_needed, 1)
-  ! may_trap_or_fault_p (pat
+  ! may_trap_p (pat
{
  old_trial = trial;
  trial = try_split (pat, trial, 0);

Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-11-01 Thread Sven Luther 
On Tue, Nov 01, 2005 at 01:33:35PM +0100, Thiemo Seufer wrote:
 Thiemo Seufer wrote:
  Sven Luther wrote:
   Package: gcc-4.0
   Version: 4.0.2-3
   Severity: grave
   Justification: renders package unusable
   
   
   Well, i confirm that this problem is also present on powerpc, using
   gcc-4.0 4.0.2-3 makes the kernel build fail, while using -2 seems to be
   ok. I have heard people mentioning two other arches where this is the
   case (m68k and mips i think) on irc (on #debian-release i think even,
   not sure), but no bug has been filed so i do it now.
   
   My powerpc builds failed with :
  
  For mips 2.6.12, which built fine with gcc 4.0.2-2:
  
CC [M]  fs/reiserfs/tail_conversion.o
  fs/reiserfs/tail_conversion.c: In function 'direct2indirect':
  fs/reiserfs/tail_conversion.c:138: internal compiler error:
  Floating point exception
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See URL:http://gcc.gnu.org/bugs.html for instructions.
  For Debian GNU/Linux specific bug reporting instructions,
  see URL:file:///usr/share/doc/gcc-4.0/README.Bugs.
  make[5]: *** [fs/reiserfs/tail_conversion.o] Error 1
  make[4]: *** [fs/reiserfs] Error 2
  
  Sorry, no testcase yet.
 
 The attached testcase triggers this bug on mips-linux when compiled
 with gcc -O2 -mabi=64 -c
 
 The appended patch reverts a single line of the diff between 4.0.2-2
 and 4.0.2-3 and lets the testcase succeed. I don't know that part of
 gcc enough to judge if it is a valid fix for the problem.
 
 Sven, could you test if this fixes also the problem you see?

Ok, i will, altough i would need to rebuild gcc, so it will not be before
tomorrow that i can test it.

Friendly,

Sven Luther



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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-10-29 Thread Thiemo Seufer 
Thiemo Seufer wrote:
 Sven Luther wrote:
  Package: gcc-4.0
  Version: 4.0.2-3
  Severity: grave
  Justification: renders package unusable
  
  
  Well, i confirm that this problem is also present on powerpc, using
  gcc-4.0 4.0.2-3 makes the kernel build fail, while using -2 seems to be
  ok. I have heard people mentioning two other arches where this is the
  case (m68k and mips i think) on irc (on #debian-release i think even,
  not sure), but no bug has been filed so i do it now.
  
  My powerpc builds failed with :
 
 For mips 2.6.12, which built fine with gcc 4.0.2-2:
 
   CC [M]  fs/reiserfs/tail_conversion.o
 fs/reiserfs/tail_conversion.c: In function 'direct2indirect':
 fs/reiserfs/tail_conversion.c:138: internal compiler error:
 Floating point exception
 Please submit a full bug report,
 with preprocessed source if appropriate.
 See URL:http://gcc.gnu.org/bugs.html for instructions.
 For Debian GNU/Linux specific bug reporting instructions,
 see URL:file:///usr/share/doc/gcc-4.0/README.Bugs.
 make[5]: *** [fs/reiserfs/tail_conversion.o] Error 1
 make[4]: *** [fs/reiserfs] Error 2
 
 Sorry, no testcase yet.

It affects also userland, ncpfs FTBFS for mips/mipsel.


Thiemo


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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-10-29 Thread Aurelien Jarno 

Thiemo Seufer a écrit :

Thiemo Seufer wrote:


Sven Luther wrote:


Package: gcc-4.0
Version: 4.0.2-3
Severity: grave
Justification: renders package unusable





It affects also userland, ncpfs FTBFS for mips/mipsel.


and also sane-backends on mipsel.

Bye,
Aurelien

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 : :' :  Debian developer   | Electrical Engineer
 `. `'   [EMAIL PROTECTED] | [EMAIL PROTECTED]
   `-people.debian.org/~aurel32 | www.aurel32.net


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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-10-28 Thread Sven Luther 
Package: gcc-4.0
Version: 4.0.2-3
Severity: grave
Justification: renders package unusable


Well, i confirm that this problem is also present on powerpc, using
gcc-4.0 4.0.2-3 makes the kernel build fail, while using -2 seems to be
ok. I have heard people mentioning two other arches where this is the
case (m68k and mips i think) on irc (on #debian-release i think even,
not sure), but no bug has been filed so i do it now.

My powerpc builds failed with :


08:22  svenl kernel/spinlock.c:72:61: error: macro
_spin_lock_irqsave requires 2 arguments, but only 1 given
08:22  svenl kernel/spinlock.c:99:59: error: macro
_read_lock_irqsave requires 2 arguments, but only 1 given
08:22  svenl kernel/spinlock.c:126:60: error: macro
_write_lock_irqsave requires 2 arguments, but only 1 given
08:22  svenl /bin/sh: line 1:  7269 Done(1) gcc -m32
-E -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
-fno-common
   -ffreestanding -O2 -fomit-frame-pointer -Iarch/ppc
-msoft-float -pipe -ffixed-r2 -mmultiple -mstring -Wa,-maltivec
   -Wdeclaration-after-statement -Wno-pointer-sign
-D__GENKSYMS__ -Wp,-MD,kernel/.spinlock.o.d -nostdinc -isystem
   /usr/lib/gcc/powerpc-linux-gnu/4.0.3/include -D__KERNEL__
-Iinclude -Iarch/ppc -Iarch/ppc/include -Wall -Wundef
-Wstrict-prototypes
   -Wno-trigraphs -fno-strict-aliasing -fno-common
-ffreestanding -O2 -fomit-frame-pointer -Iarch/ppc -msoft-float -pipe
-ffixed-r2 -mmultiple
   -mstring -Wa,-maltivec -Wdeclaration-after-statement
-Wno-pointer-sign -DKBUILD_BASENAME=spinlock -DKBUILD_MODNAME=spinlock
kernel/spinlock.c

And then later :

08:42  svenl fs/ext2/acl.c:483: error: called object '0u' is not a
function
08:42  svenl {standard input}: Assembler messages:
08:42  svenl {standard input}:39: Error: symbol `error' is already
defined
08:42  svenl {standard input}:57: Error: symbol `retval' is already
defined
08:42  svenl {standard input}:72: Error: symbol `name_index' is
already defined
08:42  svenl {standard input}:77: Error: symbol `value' is already
defined

While a 4.0.2-2 build passed fine.

Friendly,

Sven Luther


-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: powerpc (ppc)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14-rc5-powerpc
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages gcc-4.0 depends on:
ii  binutils 2.16.1cvs20050902-1 The GNU assembler, linker and bina
ii  cpp-4.0  4.0.2-3 The GNU C preprocessor
ii  gcc-4.0-base 4.0.2-3 The GNU Compiler Collection (base 
ii  libc62.3.5-7 GNU C Library: Shared libraries an
ii  libgcc1  1:4.0.2-3   GCC support library

Versions of packages gcc-4.0 recommends:
ii  libc6-dev 2.3.5-7GNU C Library: Development Librari
pn  libmudflap0-dev   none (no description available)

-- no debconf information



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Bug#336167: gcc-4.0: breaks kernel builds in random ways.

2005-10-28 Thread Thiemo Seufer 
Sven Luther wrote:
 Package: gcc-4.0
 Version: 4.0.2-3
 Severity: grave
 Justification: renders package unusable
 
 
 Well, i confirm that this problem is also present on powerpc, using
 gcc-4.0 4.0.2-3 makes the kernel build fail, while using -2 seems to be
 ok. I have heard people mentioning two other arches where this is the
 case (m68k and mips i think) on irc (on #debian-release i think even,
 not sure), but no bug has been filed so i do it now.
 
 My powerpc builds failed with :

For mips 2.6.12, which built fine with gcc 4.0.2-2:

  CC [M]  fs/reiserfs/tail_conversion.o
fs/reiserfs/tail_conversion.c: In function 'direct2indirect':
fs/reiserfs/tail_conversion.c:138: internal compiler error:
Floating point exception
Please submit a full bug report,
with preprocessed source if appropriate.
See URL:http://gcc.gnu.org/bugs.html for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see URL:file:///usr/share/doc/gcc-4.0/README.Bugs.
make[5]: *** [fs/reiserfs/tail_conversion.o] Error 1
make[4]: *** [fs/reiserfs] Error 2

Sorry, no testcase yet.


Thiemo


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