Messages in this thread | | | Date | Thu, 04 Dec 2003 18:30:37 -0600 | From | watermodem <> | Subject | devfs_mk_cdev question |
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I am a litte perplexed. Is this error message important?
I am running linux-2.6.0-test11 on a modified Mandrake 9.2 rc2 release. The sound card is playing as I type but on boot I saw: [ Dec 4 16:44:27 dali kernel: Advanced Linux Sound Architecture Driver Version 0.9.7 (Thu Sep 25 19:16:36 20 03 UTC). Dec 4 16:44:27 dali kernel: request_module: failed /sbin/modprobe -- snd-card-0. error = -16 Dec 4 16:44:27 dali kernel: ALSA device list: Dec 4 16:44:27 dali kernel: No soundcards found. ] but lsmod shows: [ Module Size Used by snd_emu10k1 97572 - snd_rawmidi 25408 - snd_ac97_codec 54852 - snd_util_mem 4704 - snd_hwdep 9568 - nls_cp850 4800 - ntfs 90188 - tuner 15596 - tvaudio 22668 - bttv 140940 - video_buf 22756 - i2c_algo_bit 10280 - btcx_risc 4808 - evdev 10272 - ]
As I slowly work my way through the problems I see this: [ Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/hwC0D0 Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/midiC0D0 Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/pcmC0D3p Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/pcmC0D2c Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/pcmC0D1c Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/pcmC0D0p Dec 4 16:45:29 dali kernel: devfs_mk_cdev: could not append to parent for snd/pcmC0D0c Dec 4 16:45:29 dali modprobe: FATAL: Module /dev/sound/mixer1 not found. Dec 4 16:45:29 dali modprobe: FATAL: Module /dev/sound/mixer1 not found. ]
So I do a:
"tree /sys/class" and see: [ /sys/class |-- i2c-adapter | `-- i2c-0 | |-- device -> ../../../devices/pci0000:00/0000:00:0b.0/i2c-0 | `-- driver -> ../../../bus/i2c/drivers/i2c_adapter |-- i2c-dev | `-- i2c-0 | |-- dev | |-- device -> ../../../devices/pci0000:00/0000:00:0b.0 | `-- driver -> ../../../bus/pci/drivers/bttv |-- input |-- net | |-- eth0 | | |-- addr_len | | |-- address | | |-- broadcast | | |-- device -> ../../../devices/pci0000:00/0000:00:09.0 | | |-- driver -> ../../../bus/pci/drivers/e100 | | |-- features | | |-- flags | | |-- ifindex | | |-- iflink | | |-- mtu | | |-- statistics | | | |-- collisions | | | |-- multicast | | | |-- rx_bytes | | | |-- rx_compressed | | | |-- rx_crc_errors | | | |-- rx_dropped | | | |-- rx_errors | | | |-- rx_fifo_errors | | | |-- rx_frame_errors | | | |-- rx_length_errors | | | |-- rx_missed_errors | | | |-- rx_over_errors | | | |-- rx_packets | | | |-- tx_aborted_errors | | | |-- tx_bytes | | | |-- tx_carrier_errors | | | |-- tx_compressed | | | |-- tx_dropped | | | |-- tx_errors | | | |-- tx_fifo_errors | | | |-- tx_heartbeat_errors | | | |-- tx_packets | | | `-- tx_window_errors | | |-- tx_queue_len | | `-- type | `-- lo | |-- addr_len | |-- address | |-- broadcast | |-- features | |-- flags | |-- ifindex | |-- iflink | |-- mtu | |-- statistics | | |-- collisions | | |-- multicast | | |-- rx_bytes | | |-- rx_compressed | | |-- rx_crc_errors | | |-- rx_dropped | | |-- rx_errors | | |-- rx_fifo_errors | | |-- rx_frame_errors | | |-- rx_length_errors | | |-- rx_missed_errors | | |-- rx_over_errors | | |-- rx_packets | | |-- tx_aborted_errors | | |-- tx_bytes | | |-- tx_carrier_errors | | |-- tx_compressed | | |-- tx_dropped | | |-- tx_errors | | |-- tx_fifo_errors | | |-- tx_heartbeat_errors | | |-- tx_packets | | `-- tx_window_errors | |-- tx_queue_len | `-- type |-- scsi_device |-- scsi_host |-- tty | |-- console | | `-- dev | |-- ptmx | | `-- dev | |-- tty | | `-- dev | |-- tty0 | | `-- dev | |-- tty1 | | `-- dev | |-- tty10 | | `-- dev | |-- tty11 | | `-- dev | |-- tty12 | | `-- dev | |-- tty13 | | `-- dev | |-- tty14 | | `-- dev | |-- tty15 | | `-- dev | |-- tty16 | | `-- dev | |-- tty17 | | `-- dev | |-- tty18 | | `-- dev | |-- tty19 | | `-- dev | |-- tty2 | | `-- dev | |-- tty20 | | `-- dev | |-- tty21 | | `-- dev | |-- tty22 | | `-- dev | |-- tty23 | | `-- dev | |-- tty24 | | `-- dev | |-- tty25 | | `-- dev | |-- tty26 | | `-- dev | |-- tty27 | | `-- dev | |-- tty28 | | `-- dev | |-- tty29 | | `-- dev | |-- tty3 | | `-- dev | |-- tty30 | | `-- dev | |-- tty31 | | `-- dev | |-- tty32 | | `-- dev | |-- tty33 | | `-- dev | |-- tty34 | | `-- dev | |-- tty35 | | `-- dev | |-- tty36 | | `-- dev | |-- tty37 | | `-- dev | |-- tty38 | | `-- dev | |-- tty39 | | `-- dev | |-- tty4 | | `-- dev | |-- tty40 | | `-- dev | |-- tty41 | | `-- dev | |-- tty42 | | `-- dev | |-- tty43 | | `-- dev | |-- tty44 | | `-- dev | |-- tty45 | | `-- dev | |-- tty46 | | `-- dev | |-- tty47 | | `-- dev | |-- tty48 | | `-- dev | |-- tty49 | | `-- dev | |-- tty5 | | `-- dev | |-- tty50 | | `-- dev | |-- tty51 | | `-- dev | |-- tty52 | | `-- dev | |-- tty53 | | `-- dev | |-- tty54 | | `-- dev | |-- tty55 | | `-- dev | |-- tty56 | | `-- dev | |-- tty57 | | `-- dev | |-- tty58 | | `-- dev | |-- tty59 | | `-- dev | |-- tty6 | | `-- dev | |-- tty60 | | `-- dev | |-- tty61 | | `-- dev | |-- tty62 | | `-- dev | |-- tty63 | | `-- dev | |-- tty7 | | `-- dev | |-- tty8 | | `-- dev | |-- tty9 | | `-- dev | |-- ttyS0 | | `-- dev | |-- ttyS1 | | `-- dev | |-- ttyS2 | | `-- dev | |-- ttyS3 | | `-- dev | |-- ttyS4 | | `-- dev | |-- ttyS5 | | `-- dev | |-- ttyS6 | | `-- dev | `-- ttyS7 | `-- dev |-- usb |-- usb_host | `-- usb1 | |-- device -> ../../../devices/pci0000:00/0000:00:07.2 | `-- driver -> ../../../bus/pci/drivers/uhci_hcd `-- video4linux |-- vbi0 | |-- dev | |-- device -> ../../../devices/pci0000:00/0000:00:0b.0 | |-- driver -> ../../../bus/pci/drivers/bttv | `-- name `-- video0 |-- card |-- dev |-- device -> ../../../devices/pci0000:00/0000:00:0b.0 |-- driver -> ../../../bus/pci/drivers/bttv `-- name ]
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