Red Hat Bugzilla – Bug 171985
rhel4 u2 - Null pointer dereference in alc880_auto_fill_dac_nids
Last modified: 2007-11-30 17:07:21 EST
Description of problem:
I get the following OOPs on bootup with U2 kernels. The machine is an x86_64
running the 32bit OS.
Unable to handle paging request at virtual address 00000000
EIP is at alc880_auto_fill_dac_nids
Version-Release number of selected component (if applicable):
Steps to Reproduce:
I have test kernels w/ an azx (hda-intel) update here:
Please give those a try and post the results here...thanks!
This fixes the problem for me. Thanks! Here is the information printed in
/var/log/messages during a successful boot:
Nov 14 22:29:56 dhcp83-77 kernel: hda_codec: Unknown model for ALC880, trying
auto-probe from BIOS...
Nov 14 22:29:56 dhcp83-77 kernel: hda_codec: num_steps = 0 for NID=0x8
Nov 14 22:29:56 dhcp83-77 kernel: hw_random hardware driver 1.0.0 loaded
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.