X kolhmata(was: giati?)

[Nikolaos Ntarmos]

On Wed, 1 Mar 2000, Panagiotis K. Prokopiou wrote:

>periergos afto exei sumbei kai se mena... kai exei faei polla mponidia apo ta
>nevra mou to keyboard. H erothsh einai loipon KANO. To telnet den einai lush
>afou den exo deftero pc. Malista to systhma moy exei kolhsei apo afto to
>"problhma" arketes fores (kai oxi mono 4). Entaksei elega kaneis den einai
>teleios. Den eixa fantastei oti ftaine ta X kai oti ama afta pethanoun ola tha
>einai ok ksana. Yparxei kamia lush? Problepetai diorthosh? Poio einai to
>pragmatiko problhma?

Gia osous den exoun deutero pc, uparxei h lysh tou SysRQ. Den 3erw an oi stock
kernels to yposthrizoun alla ypo8etw oti oloi exoun kanei toulaxiston mia fora
compile ton kernel pou trexoun (ayth einai e3allou kai h magia tou Linux). An
loipon to SysRQ yposthrizetai kai einai energopoihmeno (to 'cat
/proc/sys/kernel/sysrq' deinai 1) tote h lysh einai poly aplh kai perigrafetai
parakatw. An to SysRQ yposthrizetai alla den einai energopoihmeno (yparxei to
/proc/sys/kernel/sysrq alla periexei 0) tote apla to energopoioume (echo '1' >
/proc/sys/kernel/sysrq) kai proxwroume. Diaforetika, kanoume compile ton kernel
gia na to yposthrizei. Meta apo ta parapanw, to mono pou prepei na kanoume
einai :
* Se periptwsh pou ta X kollhsoun anepanor8ota (den einai dynath oute h allagh
consolas), patame 'Alt-SysRQ-R'.
*Patame Ctrl-Alt-F[1-6] gia na bgoume se ena console.
*Kanoume login eite ws root eite ws o user pou hmastan sta X
*Skotwnoume ta X... (den exw dokimasei akoma an me kapoio SIGHUP h allo signal
dior8wnetai h katastash. Basika exw polu kairo na dw kati tetoio ston diko mou
ypologisth, an kai 3erw pollous pou tous talanizei ayto to problhma)
To problhma twn kollhmatwn twn X einai arketa palio kai exei kyriws sxesh me
ton tropo pou ayta xeirizontai ta input devices kai thn mnhmh (kyriws ta
tmhmata pou einai shared , symfwna me ta MIT-SHM extensions.). Sthn ousia den
crash-arei o X server (afou oi opoies efarmoges synexizoun na trexoun
anenoxlhta), apla xanei to handling twn input devices. To problhma emfanizetai
akoma kai sthn 3.4 ekdosh, afou kai auth kanei xrhsh shared memory ...

Ayta...

Geia xara...



----------------------------------- 
 Ntarmos Nikos.                 
 Information Systems Center.       
 Technical University of Crete.    
-----------------------------------
 e-mail:   darmnik @ isc.tuc.gr    
         ccompiler @ yahoo.com     
----------------------------------- 

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