Looks like you are allocating and freeing GFP_KERNEL memory in interrupt context. Any memory allocation in interrupt context must be done using GFP_ATOMIC. Regards Mohanlal ----- Original Message ----- From: <aksingh@xxxxxxxxxxx> To: "Kernel Newbies" <kernelnewbies@xxxxxxxxxxxx> Sent: Monday, August 23, 2004 7:09 PM Subject: Oops kmem_cache_free_one > > Hi, > > While using kfree on a list ndoe being maintained by me, at times I get a > Oops message, kfree(node) calls __kmem_cache_free which in turn calls > kmem_cache_free_one (), the EIP shown in /var/log/messages and ksymoops > shows the EIP as c012d8fe, this is in kmem_cache_free_one() function. This > is difficult to reproduce, hence I am confused as to what may be going > wrong. > > At this EIP what is done is 0xC(%ebx), %ecx > > Warning (map_ksym_to_module): cannot match loaded module ext3 to a unique module object. Trace may not be reliable. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/