OK more info then...

Jeremy Utley jutley3 at earthlink.net
Wed Aug 21 20:03:54 PDT 2002


I'll almost bet there's your problem.  You really should never build the real core of the linux system (gcc, glibc, binutils) at anything higher than -O2.  I've had luck using -O2 -march=whatever - but everytime I try to go to -O3, stuff starts flaking out.

Just my .02

Jeremy

*********** REPLY SEPARATOR  ***********

On 8/21/2002 at 8:59 PM Joe wrote:

>Well here is one error: This is after following the install instructions
>word-for-word for mysql without any optimization flags set. When i run
>mysql_install_db:
>
>
>/usr/bin/safe_mysqld: line 1: 25640 Segmentation Fault nice --5 nohup
>/usr/sbin/mysqld --basedir=/usr --datadir=/var/mysql --user=mysql
>--pid-file
>=/var/mysql/optimus.pid --skip-locking --skip-grant >>
>/var/mysql/optimus.err 2>&1
>Installation of grant tables failed!
>
>so i checked the log file and it says:
>
>Number of processes running now: 2
>mysqld process hanging, pid 25643 - killed
>mysqld process hanging, pid 25642 - killed
>020821 20:46:46 mysqld restarted
>
>Looks like processes start fine then promptly hang. i can access the
>/usr/bin/mysql console sometimes sporadically.
>
>I should point out that I built mysql with default (no opt) flags on a GCC
>built like blfs says to (ie with the ABI compatibility flags all set right)
>however, the rest of my system (including GCC) was built with
>
>-O3 -march=pentium3 -mmmx -msse -mfpmath=sse -fomit-frame-pointer
>
>I have had no problems though with any other apps so i am reluctant to
>rebuild GCC, kernel etc without the flags set unless im sure thats the
>problem.
>
>thanks for looking into it!
>
>"Jesse Tie-Ten-Quee" <highos at linuxfromscratch.org> wrote in message
>news:20020821201054.GA9537 at linuxfromscratch.org...
>> Yo,
>>
>> On Wed, Aug 21, 2002 at 03:45:25PM -0400, Billy O'Connor wrote:
>> > I am unable to reproduce this with the current lfs cvs
>> > book(20020818).  Could you provide more details?
>>
>> I can second that.  I'm running an older CVS build, with gcc 3.1 and
>> i've not experienced any such behaviour.  If I had, I would never have
>> commited those instructions into blfs-book cvs.
>>
>> They don't generally recommend that you use gcc3 to compile mysql.  They
>> even have warnings on there site, not todo so.  However, i've never run
>> into problems both in compile time and run time, so...
>>
>> Did you perhaps optimization gcc/glibc/binutils?
>>
>> Not much, we can do, without further details.  =/
>>
>> --
>> Jesse Tie-Ten-Quee  ( highos at linuxfromscratch dot org )
>> --
>> Unsubscribe: send email to listar at linuxfromscratch.org
>> and put 'unsubscribe blfs-support' in the subject header of the message
>>
>
>
>-- 
>Unsubscribe: send email to listar at linuxfromscratch.org
>and put 'unsubscribe blfs-support' in the subject header of the message



-- 
Unsubscribe: send email to listar at linuxfromscratch.org
and put 'unsubscribe blfs-support' in the subject header of the message



More information about the blfs-support mailing list