I upgraded from kernel 2.6.15-26.46 to 2.6.15-26.47 (both were dapper). Sound was working fine, now it is broken. I also use the snd_via82xx driver.
dmesg (after modprobe snd_via82xx): [17179790.944000] snd_pcm: disagrees about version of symbol boot_cpu_data [17179790.944000] snd_pcm: Unknown symbol boot_cpu_data [17179790.956000] snd_ac97_codec: Unknown symbol snd_interval_refine [17179790.956000] snd_ac97_codec: Unknown symbol snd_pcm_hw_rule_add [17179790.980000] snd_pcm: disagrees about version of symbol boot_cpu_data [17179790.980000] snd_pcm: Unknown symbol boot_cpu_data [17179790.984000] snd_ac97_codec: Unknown symbol snd_interval_refine [17179790.984000] snd_ac97_codec: Unknown symbol snd_pcm_hw_rule_add [17179790.984000] snd_via82xx: Unknown symbol snd_ac97_resume [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_new [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_limit_hw_rates [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_lib_preallocate_pages_for_all [17179790.984000] snd_via82xx: Unknown symbol snd_ac97_set_rate [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_format_physical_width [17179790.984000] snd_via82xx: Unknown symbol snd_ac97_update_bits [17179790.984000] snd_via82xx: Unknown symbol snd_ac97_mixer [17179790.984000] snd_via82xx: Unknown symbol snd_ac97_bus [17179790.984000] snd_via82xx: Unknown symbol snd_ac97_suspend [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_lib_malloc_pages [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_lib_ioctl [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_lib_free_pages [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_set_ops [17179790.984000] snd_via82xx: Unknown symbol snd_pcm_hw_constraint_list [17179790.988000] snd_via82xx: Unknown symbol snd_pcm_sgbuf_ops_page [17179790.988000] snd_via82xx: Unknown symbol snd_ac97_get_short_name [17179790.988000] snd_via82xx: Unknown symbol snd_pcm_suspend_all [17179790.988000] snd_via82xx: Unknown symbol snd_pcm_hw_constraint_integer [17179790.988000] snd_via82xx: Unknown symbol snd_pcm_period_elapsed [17179790.988000] snd_via82xx: Unknown symbol snd_ac97_tune_hardware There is a bug related to Nvidia (#60433) that says the boot_cpu_data symbol was changed in kernel 47. This seems to be the problem. -- No more sound (VIA 8233) in Dapper after upgrade from Breezy https://launchpad.net/bugs/56878 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
