Re: Page Fault Handler Hijacking and Oops

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



I forgot that there's another message printed in Oops. It is the following:

Code: Bad EIP value
<0> Kernel Panic: Aiee, Killing Interrupt Handler!
In Interrupt handler - not syncing


Alle 22:59, mercoledì 3 agosto 2005, Vincenzo Mallozzi ha scritto:
> Hi all,
> in LKM I've implemented, I hijack the page fault handler with a function 
that 
> first scans a list created by me and then call the original page fault 
> handler.
> 
> Now, the problem is that when I scan this list from within functions 
different 
> from the one that hijack the page fault handler, all the elements of the 
list 
> are printed. 
> But, when I try to scan this list from within the exception handler 
hijacked, 
> only the first three elements are printed and then an Oops message is 
> printed.
> 
> The Oops is something like this:
> 
> Unable to handle NULL pointer dereference at virtual address 00000000.
> 
> After this message the system crashes.
> 
> I know these information are too generic, but it is impossible to attach the 
> whole part of code I've implemented; it's too big.
> I want give you only an idea of the problem I've encountered, hoping that 
> someone have just encountered a problem like this in his programming-life.
> Can anyone suggest me?
> 
> Thanks.
> Vincenzo Mallozzi.
> 
> 	
> 
> 	
> 		
> ___________________________________ 
> Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB 
> http://mail.yahoo.it
> 
> 
> --
> Kernelnewbies: Help each other learn about the Linux kernel.
> Archive:       http://mail.nl.linux.org/kernelnewbies/
> FAQ:           http://kernelnewbies.org/faq/
> 
> 

		
___________________________________ 
Yahoo! Messenger: chiamate gratuite in tutto il mondo 
http://it.beta.messenger.yahoo.com


--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/



[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux