Tagged Questions
2
votes
1answer
52 views
Know when a memory address is aligned or unaligned
Im getting kernel oops because ppp driver is trying to access to unaligned address (there is a pointer pointing to unaligned address). Im not sure about the meaning of unaligned address. It means not ...
2
votes
0answers
118 views
What changed between kernels 3.7 and 3.9 that affects LVM/RAID root file systems?
I'm trying to fix a (very messy) system that the user hosed by running a kernel upgrade from 3.7.10 to 3.9.6. the root file system is on an LVM volume on top of a software RAID array. The boot manager ...
1
vote
1answer
73 views
Kernelpanic Fedora 18 with kernel 3.9.2-200
Since upgrading to kernel 3.9 I now get this error every time at start up:
BUG: unable to handle kernel NULL pointer dereferences at (null)
IP[<ffff8800ca93bfcd>] 0xffff8800ca93bfcc
PGD 0
...
3
votes
3answers
719 views
How to determine which module taints the kernel?
My kernel keeps panicking when connected to a certain wireless network. I'd like to send a bug report but my kernel is apparently tainted. From /var/log/messages:
Apr 17 21:28:22 Eiger kernel: ...
3
votes
1answer
1k views
How to debug Linux kernel panic?
I am trying to debug a kernel panic. Panic message says unable to handle kernel paging request for address 40025694.
At the time of panic it was executing ldreq r10, [lr, #-4] @ get SWI instruction. ...
4
votes
3answers
409 views
Does the linux kernel (specifically 2.6 onwards) have any recursive function?
Given the limited fixed size of kernel stack, my guess is that although theoretically we might have a recursive function if its recursion doesn't go too deep, pragmatism would suggest to do away with ...
