After Upgrading to RHEL6.2, machine crashes with RIP alc_build_controls +0x24a/0x520 in snd_hda_codec_build_controls
Issue
- When the laptops are upgraded to Red Hat 6.2 Workstation, following message is observed on reboot and the machine hangs:
kernel panic - not syncing: Fatal exception
Code: d2 45 31 ed eb 14 0f 1f 00 41 83 c5 01 45 3b 63 50 44 89
RIP: [<ffffffffa032881a>] alc_build_controls+0x24a/0x520 [snd_hda_codec_realtek]
- If reboot the machine, select the previous kernel (2.6.32-131.21.1.el6.x86_64), then everything is okay again.
- Machine with Realtek audio drivers crashes while boot to 2.6.32-220 kernel
- modprobe crashes the kernel during driver probe and pci attach of
snd_hda_intel
Environment
- RHEL 6.2
- kernel-2.6.32-220.el6.x86_64
- Issue does not occur on 6.1 kernel (2.6.31-131*)
- Realtek High Definition Audio (HD Audio) codec support on Intel HD Audio
- Hardware affected (partial list)
- ASUS M70v
- ASUS G72GX
- Asus Eee PC 1008HA
- Codec: Realtek ALC269
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Close
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.