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, tools, and much more.
