Re: Maybe my frequent kernel building could be of some help to the community? And how to build?

[Piotr Hosowicz <piotr@hosowicz.com>]

Randy Dunlap wrote:

>>>>> Sorry about that.  Just make it random (sometimes disabled).
> 
> The config symbol above should be CONFIG_MAGIC_SYSRQ.

Ok, but as you said bedore I did not make any modifications to the 
scripts for this symbol.

>> Ok, but at present is not working properly, as expected. The scripts now
>> are like this, I returned to randomizing with bash:
>>
>> --- try-build.sh
>>
>> #!/bin/bash
>>
>> RCPT=phz@localhost
>> CPUCNT=$(cat /proc/cpuinfo | grep ^processor | wc -l)
>>
>> function tidy(){
>>   rm ../results/.config 2>/dev/null
>>   rm ../results/build.log 2>/dev/null
>>   rm ../BUILDING-NOW 2>/dev/null
>> }
>>
>> cd ~/kernel/linux
>> if test -f ../BUILDING-NOW ; then
>>   exit 0
>> else
>>   touch ../BUILDING-NOW
>>   make mrproper
>>   cat ../config.all | ../randomize-conf2.sh > ./.config
>>   make oldconfig
> 
> I am using:
>     yes '' | make oldconfig
> 
>>   cp .config ../results/
>>   DT=$(date +%y%m%d-%H%M%S)   
>>   make -j $CPUCNT vmlinux 2>&1 | tee ../results/build.log
>>   if test $? -ne 0 ; then
>>     (cat ../results/.config && cat ../results/build.log) | mail -s
>> 'Build failed at kernel phase' $RCPT
>>     mv ../results/.config ../results/.config.kf.$DT
>>     mv ../results/build.log ../results/build.log.$DT
>>     tidy
>>     exit 0
>>   fi
>>   make -j $CPUCNT modules 2>&1 | tee -a ../results/build.log
>>   if test $? -ne 0 ; then
>>     (cat ../results/.config && cat ../results/build.log) | mail -s
>> 'Build failed at modules phase' $RCPT
>>     mv ../results/.config ../results/.config.mf.$DT
>>     mv ../results/build.log ../results/build.log.$DT
>>     tidy
>>     exit 0
>>   fi
>>   cp ../results/build.log ./
>>   rm BUILDING-NOW
>>   echo OK | mail -s 'ok' $RCPT
>>   tidy
>>
>> fi
>>
>>
>> --- randomize-conf2.sh:
>>
>> #!/bin/bash
>>
>> NETENABLED=0
>> function enable_or_not(){
>>   if test $RANDOM -lt 16383 ; then
>>     if test $1=CONFIG_NET ; then
>>       NETENABLED=1
>>       echo $1=y
>>       return
>>     fi
>>     if test $1=CONFIG_INET && test $NETENABLED -eq 1 ; then
>>       if test $RANDOM -lt 16383 ; then
>>         echo $1=y
>>       else
>>         echo '# '$1' is not set'
>>       fi
>>       return
>>     fi
>>   else
>>     echo '# '$1' is not set'
>>   fi
>> }
>>
>> cat ../config.all | grep -v CONFIG_SMP | grep -v CONFIG_SYSFS | grep -v
>> CONFIG_PROC_FS | grep -v CONFIG_PM | grep -v CONFIG_PCI | grep -v
>> CONFIG_BLOCK | grep -v CONFIG_NET | grep -v CONFIG_INET | grep -v
>> CONFIG_HOTPLUG > ./cfg.tmp
> 
> Note that these grep -v's drop any config that contains CONFIG_whatever,
> such as CONFIG_PCI_QUIRKS.  If you just want to drop those config
> symbols and no others, I guess you would add "-w" to the grep command.

Ok, corrected, now there is a -w switch.

>> (
>> enable_or_not CONFIG_SMP
>> enable_or_not CONFIG_SYSFS
>> enable_or_not CONFIG_PROC_FS
>> enable_or_not CONFIG_PM
>> enable_or_not CONFIG_PCI
>> enable_or_not CONFIG_BLOCK
>> enable_or_not CONFIG_NET
>> enable_or_not CONFIG_INET
>> enable_or_not CONFIG_HOTPLUG
>> )
>> cat ./cfg.tmp
>>
>> I launch try-build.sh, but it still asks me about unspecified options,
>> my config.all is produced by make defconfig or make oldconfig, dosen't
>> matter still.
>>
>> Do you see what the problem is?
> 
> It's working for me just be using
>   yes '' | make oldconfig

Ok, it seems to be working now, but I do not understand why my version 
doesn't.


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