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From: Santeri Kannisto <ss@ares.sot.com>
To: alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
Subject: Re: 2.4.9: GCC 3.0 problem in "acct.c"
Date: Thu, 23 Aug 2001 01:51:33 +0300 (EEST)	[thread overview]
Message-ID: <200108222251.BAA04797@ares.sot.com> (raw)

Alan Cox wrote:
> peter k. wrote:
>> i just updated my gcc from 2.96 to 3.0.1 and now i cant compile kernel 2.4.9
>> anymore, make bzImage fails with the following error message:
>> 
>> acct.c: In function `check_free_space':
>> acct.c:147: Unrecognizable insn:
>> (insn 335 102 336 (parallel[
>>             (set (reg/v:SI 2 ecx [44])
>>                 (const_int 0 [0x0]))
>>             (clobber (reg:CC 17 flags))
>>         ] ) -1 (insn_list:REG_DEP_ANTI 100 (insn_list:REG_DEP_ANTI 102
>> (nil)))
>>     (expr_list:REG_UNUSED (reg:CC 17 flags)
>>         (nil)))
>> acct.c:147: Internal compiler error in insn_default_length, at
>> insn-attrtab.c:223
>> 
>> can anyone tell me how to fix this?
>
> Use gcc 2.96 or gcc 3.0.0. You broke the compiler. Please also see the gcc bug
> reporting instructions. You will actually make a gcc hacker very happy 
> reporting that problem.

Except that a similar problem with capi existed allready with gcc 3.0 +
kernels 2.4.*, and that problem was reported to gcc people multiple 
times. But it is still broken in gcc 3.0.1:

bp2.c:414: warning: `sbp2_host_info_lock' defined but not used
capi.c: In function `capi_ioctl':
capi.c:1031: Unrecognizable insn:
(insn/i 1675 3103 3100 (parallel[ capi.c:1031: Internal error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.

So, does anyone have any ideas? That problem is critical because
it makes ISDN (capi 2) unusable with kernels 2.4.* + gcc 3.0.* 

All other things seem to function pretty well with 2.4.9 + 3.0.1.

-- 
Mr. Santeri Kannisto, CTO, sk@sot.com - http://www.sot.com/
Ou SOT Finnish Software Engineering   - fax  +372 5 171 941
Kreutzwaldi 7-4, EE-10124 Tallinn     - tel. +372 5 044 941
ESTONIA                             - http://bestlinux.net/

             reply	other threads:[~2001-08-22 22:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-22 22:51 Santeri Kannisto [this message]
2001-08-23  4:05 ` 2.4.9: GCC 3.0 problem in "acct.c" Josh McKinney
     [not found] <no.id>
2001-08-18 22:21 ` Alan Cox
  -- strict thread matches above, loose matches on Subject: below --
2001-08-18 18:09 peter k.

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