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SubjectRe: [BUG] 3.10.[01] modprobe snd-... hangs
Date
Philipp Matthias Hahn <pmhahn@pmhahn.de> writes:
> Hello,
>
> My x86_64 systems has some trouble loading some ALSA snd-* modules since
> the upgrade to 3.10.[01]: Several automatic modprobe calls hang, but
> loading snd-intel-hda and snd-audio-usb by hand still works.

Not a known problem to me, at least. Perhaps it's a dep loop somehow.

> ...
> 1071 ? S 0:00 sh -c /sbin/modprobe --ignore-install snd && { /sbin/modprobe --quiet snd
> 1080 ? D 0:00 \_ /sbin/modprobe --quiet snd-seq

This was first, and it's waiting. Which means it must be doing
something weird, because snd_seq_oss is loading now:

> snd_seq_oss 33717 1 - Loading 0xffffffffa041b000

Perhaps in the tangle of modprobe install commands somewhere this gets
invoked?

> # ps axf
> 460 ? S 0:00 \_ [kworker/u8:3]
> 1087 ? S 0:00 | \_ [kworker/u8:3]
> 1092 ? S 0:00 | \_ /sbin/modprobe -q -- snd-seq-client-14

On my systems, that's snd-seq-dummy, which depends on snd_seq. Which,
in fact, is already loaded.

Lucas, any clues?

Full quote below.

Cheers,
Rusty.

Philipp Matthias Hahn <pmhahn@pmhahn.de> writes:
> Hello,
>
> My x86_64 systems has some trouble loading some ALSA snd-* modules since
> the upgrade to 3.10.[01]: Several automatic modprobe calls hang, but
> loading snd-intel-hda and snd-audio-usb by hand still works.
>
> # ps axf
> 460 ? S 0:00 \_ [kworker/u8:3]
> 1087 ? S 0:00 | \_ [kworker/u8:3]
> 1092 ? S 0:00 | \_ /sbin/modprobe -q -- snd-seq-client-14
> ...
> 1071 ? S 0:00 sh -c /sbin/modprobe --ignore-install snd && { /sbin/modprobe --quiet snd
> 1080 ? D 0:00 \_ /sbin/modprobe --quiet snd-seq
> 1115 ? S 0:00 sh -c /sbin/modprobe --ignore-install snd-rawmidi && { /sbin/modprobe --q
> 1154 ? S 0:00 \_ /sbin/modprobe --quiet snd-seq-midi
> 1119 ? S 0:00 sh -c /sbin/modprobe --ignore-install snd-rawmidi && { /sbin/modprobe --q
> 1148 ? S 0:00 \_ /sbin/modprobe --quiet snd-seq-midi
>
> In /var/log/daemon.log I find the following messages:
> Jul 15 19:58:44 scout udevd[912]: timeout: killing '/sbin/modprobe -b usb:vFC08p0101d0250dc00dsc00dp00ic01isc01ip00in00' [1044]
> Jul 15 19:58:56 scout udevd[912]: '/sbin/modprobe -b usb:vFC08p0101d0250dc00dsc00dp00ic01isc01ip00in00' [1044] terminated by signal 9 (Killed)
> Jul 15 19:58:56 scout udevd[919]: timeout: killing '/sbin/modprobe -b pci:v000010DEd0000026Csv00001462sd00007350bc04sc03i00' [1051]
> Jul 15 19:58:56 scout udevd[914]: timeout: killing '/sbin/modprobe -b usb:vFC08p0101d0250dc00dsc00dp00ic01isc03ip00in01' [1045]
> Jul 15 19:58:56 scout udevd[919]: '/sbin/modprobe -b pci:v000010DEd0000026Csv00001462sd00007350bc04sc03i00' [1051] terminated by signal 9 (Killed)
> Jul 15 19:58:56 scout udevd[914]: '/sbin/modprobe -b usb:vFC08p0101d0250dc00dsc00dp00ic01isc03ip00in01' [1045] terminated by signal 9 (Killed)
>
>
> This is a Debian sid system
> # modprobe -V
> kmod version 9
>
> # echo t >/proc/sysrq-trigger
> produces too much output to include the modprobe processes. I already
> stopped most processes, but that is not enough.
>
>
> # cat /proc/1092/syscall
> 175 0x7effcad92000 0xafe8 0x7effca9c2f88 0x7effca6ea3aa 0x0 0x0 0x7fff3e3de648 0x7effca6eef8a
>
> # cat /proc/1080/syscall
> 175 0x7fe01b25e000 0xafe8 0x7fe01ae8ef88 0x7fe01abb63aa 0x3 0x0 0x7fffba8cc748 0x7fe01abbaf8a
>
> # cat /proc/1154/syscall
> 175 0x7fc157a7b000 0xafe8 0x7fc1576abf88 0x7fc1573d33aa 0x3 0x0 0x7fff05809e58 0x7fc1573d7f8a
>
> # cat /proc/1148/syscall
> 175 0x7fc7159d5000 0xafe8 0x7fc715605f88 0x7fc71532d3aa 0x3 0x0 0x7fff47a1f3c8 0x7fc715331f8a
>
> Is this a know bug or has someone seen similar problems?
>
> # cat /proc/modules
> ip6table_filter 1575 0 - Live 0xffffffffa0893000
> ip6_tables 13784 1 ip6table_filter, Live 0xffffffffa088b000
> ebtable_nat 1887 0 - Live 0xffffffffa0887000
> ebtables 19917 1 ebtable_nat, Live 0xffffffffa087e000
> snd_usb_audio 124196 0 - Live 0xffffffffa0851000
> snd_usbmidi_lib 16982 1 snd_usb_audio, Live 0xffffffffa0848000
> rfcomm 28731 10 - Live 0xffffffffa083a000
> bnep 9786 2 - Live 0xffffffffa0833000
> snd_hda_codec_realtek 37669 1 - Live 0xffffffffa0823000
> snd_hda_intel 31432 0 - Live 0xffffffffa0814000
> snd_hda_codec 140669 2 snd_hda_codec_realtek,snd_hda_intel, Live 0xffffffffa07e2000
> snd_hwdep 5627 2 snd_usb_audio,snd_hda_codec, Live 0xffffffffa07dd000
> iptable_filter 1618 1 - Live 0xffffffffa07d9000
> xt_owner 1326 1 - Live 0xffffffffa07d5000
> ip_tables 13390 1 iptable_filter, Live 0xffffffffa07cd000
> x_tables 18433 6 ip6table_filter,ip6_tables,ebtables,iptable_filter,xt_owner,ip_tables, Live 0xffffffffa07c3000
> cpufreq_conservative 7015 0 - Live 0xffffffffa07bd000
> cpufreq_ondemand 8945 0 - Live 0xffffffffa07b6000
> cpufreq_powersave 1010 0 - Live 0xffffffffa07b2000
> cpufreq_userspace 2136 0 - Live 0xffffffffa07ae000
> binfmt_misc 6479 1 - Live 0xffffffffa07a9000
> bridge 74378 0 - Live 0xffffffffa078d000
> stp 1908 1 bridge, Live 0xffffffffa0789000
> llc 4485 2 bridge,stp, Live 0xffffffffa0784000
> deflate 1873 0 - Live 0xffffffffa0780000
> ctr 3633 0 - Live 0xffffffffa077c000
> twofish_generic 5715 0 - Live 0xffffffffa0777000
> twofish_x86_64_3way 19885 0 - Live 0xffffffffa076f000
> twofish_x86_64 5503 1 twofish_x86_64_3way, Live 0xffffffffa076a000
> twofish_common 13133 3 twofish_generic,twofish_x86_64_3way,twofish_x86_64, Live 0xffffffffa0763000
> camellia_generic 18308 0 - Live 0xffffffffa075b000
> camellia_x86_64 45885 0 - Live 0xffffffffa074b000
> serpent_sse2_x86_64 44963 0 - Live 0xffffffffa073d000
> serpent_generic 21243 1 serpent_sse2_x86_64, Live 0xffffffffa0734000
> ablk_helper 2284 1 serpent_sse2_x86_64, Live 0xffffffffa0730000
> cryptd 7992 1 ablk_helper, Live 0xffffffffa072a000
> xts 2958 3 twofish_x86_64_3way,camellia_x86_64,serpent_sse2_x86_64, Live 0xffffffffa0726000
> lrw 3584 3 twofish_x86_64_3way,camellia_x86_64,serpent_sse2_x86_64, Live 0xffffffffa0722000
> gf128mul 6580 2 xts,lrw, Live 0xffffffffa071d000
> glue_helper 4810 3 twofish_x86_64_3way,camellia_x86_64,serpent_sse2_x86_64, Live 0xffffffffa0718000
> blowfish_generic 3194 0 - Live 0xffffffffa0714000
> blowfish_x86_64 14084 0 - Live 0xffffffffa070d000
> blowfish_common 6425 2 blowfish_generic,blowfish_x86_64, Live 0xffffffffa0708000
> cast5_generic 10378 0 - Live 0xffffffffa0702000
> cast_common 5351 1 cast5_generic, Live 0xffffffffa06fd000
> des_generic 16147 0 - Live 0xffffffffa06f6000
> cmac 2460 0 - Live 0xffffffffa06f2000
> xcbc 2423 0 - Live 0xffffffffa06ee000
> rmd160 7552 0 - Live 0xffffffffa06e9000
> nfsd 208660 2 - Live 0xffffffffa06a8000
> auth_rpcgss 39179 1 nfsd, Live 0xffffffffa0698000
> oid_registry 2490 1 auth_rpcgss, Live 0xffffffffa0694000
> nfs_acl 2285 1 nfsd, Live 0xffffffffa0690000
> sha512_generic 5023 0 - Live 0xffffffffa068b000
> nfs 127233 0 - Live 0xffffffffa065b000
> lockd 57962 2 nfsd,nfs, Live 0xffffffffa0645000
> fscache 34198 1 nfs, Live 0xffffffffa0636000
> sha1_ssse3 9266 0 - Live 0xffffffffa0630000
> sha1_generic 2064 1 sha1_ssse3, Live 0xffffffffa062c000
> sunrpc 185043 6 nfsd,auth_rpcgss,nfs_acl,nfs,lockd, Live 0xffffffffa05ea000
> md5 1803 0 - Live 0xffffffffa05e6000
> crypto_null 2624 0 - Live 0xffffffffa05e2000
> af_key 25880 0 - Live 0xffffffffa05d6000
> xfrm_algo 6101 1 af_key, Live 0xffffffffa05d1000
> ves1820 5159 1 - Live 0xffffffffa05cc000
> btusb 14810 0 - Live 0xffffffffa05bc000
> bluetooth 183572 24 rfcomm,bnep,btusb, Live 0xffffffffa054a000
> stv0297 6493 1 - Live 0xffffffffa052f000
> snd_rawmidi 17913 1 snd_usbmidi_lib, Live 0xffffffffa0525000
> snd_pcm_oss 32083 0 - Live 0xffffffffa0518000
> snd_mixer_oss 12485 1 snd_pcm_oss, Live 0xffffffffa0510000
> snd_pcm 73594 4 snd_usb_audio,snd_hda_intel,snd_hda_codec,snd_pcm_oss, Live 0xffffffffa04f5000
> snd_page_alloc 7172 2 snd_hda_intel,snd_pcm, Live 0xffffffffa04f0000
> dvb_ttpci 93699 0 - Live 0xffffffffa04d1000
> saa7146_vv 26567 1 dvb_ttpci, Live 0xffffffffa04c5000
> videobuf_dma_sg 8015 1 saa7146_vv, Live 0xffffffffa04bf000
> videobuf_core 15578 2 saa7146_vv,videobuf_dma_sg, Live 0xffffffffa04b7000
> v4l2_common 7907 1 saa7146_vv, Live 0xffffffffa04b1000
> budget_ci 21012 0 - Live 0xffffffffa04a7000
> videodev 97317 2 saa7146_vv,v4l2_common, Live 0xffffffffa0486000
> budget_core 7679 1 budget_ci, Live 0xffffffffa0481000
> ttpci_eeprom 1985 2 dvb_ttpci,budget_core, Live 0xffffffffa0479000
> saa7146 11356 4 dvb_ttpci,saa7146_vv,budget_ci,budget_core, Live 0xffffffffa046b000
> rc_core 13478 2 budget_ci, Live 0xffffffffa044a000
> dvb_core 68839 3 dvb_ttpci,budget_ci,budget_core, Live 0xffffffffa0431000
> snd_seq_oss 33717 1 - Loading 0xffffffffa041b000
> snd_seq_midi_event 5740 1 snd_seq_oss, Live 0xffffffffa0416000
> snd_seq 44232 2 snd_seq_oss,snd_seq_midi_event, Live 0xffffffffa0404000
> snd_seq_device 5560 3 snd_rawmidi,snd_seq_oss,snd_seq, Live 0xffffffffa03ff000
> snd_timer 17417 2 snd_pcm,snd_seq, Live 0xffffffffa03f6000
> snd 58793 14 snd_usb_audio,snd_usbmidi_lib,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_rawmidi,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_seq,snd_seq_device,snd_timer, Live 0xffffffffa03df000
> pcspkr 1926 0 - Live 0xffffffffa03db000
> psmouse 52563 0 - Live 0xffffffffa03c6000
> serio_raw 4517 0 - Live 0xffffffffa03c1000
> soundcore 5811 1 snd, Live 0xffffffffa03b7000
> evdev 8465 0 - Live 0xffffffffa039d000
> kvm_intel 122108 0 - Live 0xffffffffa0351000
> kvm 342589 1 kvm_intel, Live 0xffffffffa0271000
> usb_storage 46166 0 - Live 0xffffffffa025c000
> fuse 65800 1 - Live 0xffffffffa0243000
> ecryptfs 80646 0 - Live 0xffffffffa0227000
> cbc 2574 0 - Live 0xffffffffa0223000
> sha256_ssse3 16172 2 - Live 0xffffffffa021c000
> sha256_generic 9882 1 sha256_ssse3, Live 0xffffffffa0216000
> hmac 2673 1 - Live 0xffffffffa0212000
> encrypted_keys 9378 1 ecryptfs, Live 0xffffffffa020b000
> autofs4 20984 2 - Live 0xffffffffa0200000
> ext4 434295 5 - Live 0xffffffffa0173000
> crc16 1541 2 bluetooth,ext4, Live 0xffffffffa016f000
> jbd2 83146 1 ext4, Live 0xffffffffa0150000
> btrfs 682625 1 - Live 0xffffffffa008b000
> crc32c 1610 1 - Live 0xffffffffa0087000
> libcrc32c 1147 1 btrfs, Live 0xffffffffa0083000
> xor 11190 1 btrfs, Live 0xffffffffa007d000
> zlib_deflate 18739 2 deflate,btrfs, Live 0xffffffffa0075000
> raid6_pq 92000 1 btrfs, Live 0xffffffffa005a000
> nbd 8786 0 - Live 0xffffffffa0053000
> firewire_ohci 27516 0 - Live 0xffffffffa0048000
> firewire_core 49041 1 firewire_ohci, Live 0xffffffffa0035000
> crc_itu_t 1565 1 firewire_core, Live 0xffffffffa0031000
> forcedeth 50647 0 - Live 0xffffffffa001e000
> floppy 53437 0 - Live 0xffffffffa0009000
> ohci_hcd 18001 0 - Live 0xffffffffa0000000
>
> BYtE
> Philipp
> --
> / / (_)__ __ ____ __ Philipp Hahn
> / /__/ / _ \/ // /\ \/ /
> /____/_/_//_/\_,_/ /_/\_\ pmhahn@pmhahn.de


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