Hello, at boot udev (175-7.2 from debian unstable) blocks for maybe 30 seconds and then gives (handcopied) timeout: killing '/sbin/modprobe -b pci:v00008086d0000293Esv0000144Dsd0000C045bc04sc03i00' when booting 3.9.8. 3.8.13 has the same issue, 3.6.0 is fine. The pci id matches the audio device and in fact the module is not loaded: 00:1b.0 0403: 8086:293e (rev 03) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Samsung Electronics Co Ltd Device c045 Flags: bus master, fast devsel, latency 0, IRQ 46 Memory at f8620000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [100] Virtual Channel Capabilities: [130] Root Complex Link Kernel driver in use: snd_hda_intel In /etc/modprobe.d/options.conf i have: options snd-hda-intel model=ultra A manual `modprobe snd-hda-intel` works perfectly fine: [16018.432762] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X [16018.509390] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input12 [16018.565581] input: HDA Intel HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13 [16018.565671] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14 [16018.565749] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15 I've tried both these with 3.9.8 but does not change anything: @@ -969,7 +981,7 @@ CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" -# CONFIG_FW_LOADER_USER_HELPER is not set +CONFIG_FW_LOADER_USER_HELPER=y # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set CONFIG_SYS_HYPERVISOR=y The only sound related change from 3.6.0 config to 3.9.8 one is: @@ -2133,7 +2246,6 @@ # CONFIG_SND_HDA_CODEC_CMEDIA is not set # CONFIG_SND_HDA_CODEC_SI3054 is not set CONFIG_SND_HDA_GENERIC=y -CONFIG_SND_HDA_POWER_SAVE=y CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0 # CONFIG_SND_HDSP is not set # CONFIG_SND_HDSPM is not set thanks in advance, riccardo