A NOTE has been added to this issue. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1869> ====================================================================== Reported By: bitmage2 Assigned To: ====================================================================== Project: ALSA - driver Issue ID: 1869 Category: CORE - pcm Reproducibility: always Severity: minor Priority: normal Status: new Distribution: SuSE Linux 10.0 Kernel Version: Linux 2.6.13-15.8-default #1 Tue Feb 7 11:07:24 UTC 2006 i686 athlon i386 GNU/Linux ====================================================================== Date Submitted: 02-23-2006 00:48 CET Last Modified: 07-23-2006 13:49 CEST ====================================================================== Summary: Playing surround sound produces 100% CPU load Description: I am using the CS46xx with a Hercules Gametheater XP 5.1 . It plays back stereo without problems. I wanted to use the rest of my 5.1 speaker set, so for a test I ran the speaker-test program. Running it without parameters or with 2 or 4.0 channels works also fine. So far so good. But when I run it with 5.0 channels or 5.1 channels the CPU load of speaker-test goes to 100%. I'll show the output of top along with the command lines below (for the 2.0 and 5.1 case) in the "Additional Information" box. ====================================================================== ---------------------------------------------------------------------- bitmage2 - 07-23-06 11:34 ---------------------------------------------------------------------- chris@bjork:~> cat /proc/asound/pcm 00-00: CS46xx : CS46xx : playback 31 : capture 1 00-01: CS46xx - Rear : CS46xx - Rear : playback 31 00-02: CS46xx - IEC958 : CS46xx - IEC958 : playback 1 00-03: CS46xx - Center LFE : CS46xx - Center LFE : playback 31 01-00: Intel ICH : NVidia nForce2 : playback 1 : capture 1 01-01: Intel ICH - MIC ADC : NVidia nForce2 - MIC ADC : capture 1 01-02: Intel ICH - IEC958 : NVidia nForce2 - IEC958 : playback 1 bjork:~ # lspci -vn 00:00.0 Class 0600: 10de:01e0 (rev a2) Flags: bus master, 66MHz, fast devsel, latency 0 Memory at e8000000 (32-bit, prefetchable) [size=32M] Capabilities: [40] AGP version 3.0 Capabilities: [60] HyperTransport: Host or Secondary Interface 00:00.1 Class 0500: 10de:01eb (rev a2) Subsystem: 1695:1000 Flags: 66MHz, fast devsel 00:00.2 Class 0500: 10de:01ee (rev a2) Subsystem: 1695:1000 Flags: 66MHz, fast devsel 00:00.3 Class 0500: 10de:01ed (rev a2) Subsystem: 1695:1000 Flags: 66MHz, fast devsel 00:00.4 Class 0500: 10de:01ec (rev a2) Subsystem: 1695:1000 Flags: 66MHz, fast devsel 00:00.5 Class 0500: 10de:01ef (rev a2) Subsystem: 1695:1000 Flags: 66MHz, fast devsel 00:01.0 Class 0601: 10de:0060 (rev a3) Subsystem: 1695:1000 Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [48] HyperTransport: Slave or Primary Interface 00:01.1 Class 0c05: 10de:0064 (rev a2) Subsystem: 1695:1000 Flags: 66MHz, fast devsel, IRQ 255 I/O ports at e400 [size=32] Capabilities: [44] Power Management version 2 00:02.0 Class 0c03: 10de:0067 (rev a3) (prog-if 10) Subsystem: 1695:1000 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 11 Memory at ed003000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 00:02.1 Class 0c03: 10de:0067 (rev a3) (prog-if 10) Subsystem: 1695:1000 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 4 Memory at ed004000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 00:02.2 Class 0c03: 10de:0068 (rev a3) (prog-if 20) Subsystem: 1695:1000 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 3 Memory at ed005000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port Capabilities: [80] Power Management version 2 00:06.0 Class 0401: 10de:006a (rev a1) Subsystem: 1695:1000 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 7 I/O ports at d400 [size=256] I/O ports at d800 [size=128] Memory at ed001000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 00:08.0 Class 0604: 10de:006c (rev a3) Flags: bus master, 66MHz, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: ec000000-ecffffff Prefetchable memory behind bridge: 40000000-400fffff 00:09.0 Class 0101: 10de:0065 (rev a2) (prog-if 8a [Master SecP PriP]) Subsystem: 1695:1000 Flags: bus master, 66MHz, fast devsel, latency 0 I/O ports at f000 [size=16] Capabilities: [44] Power Management version 2 00:1e.0 Class 0604: 10de:01e8 (rev a2) Flags: bus master, 66MHz, medium devsel, latency 32 Bus: primary=00, secondary=02, subordinate=02, sec-latency=32 Memory behind bridge: ea000000-ebffffff Prefetchable memory behind bridge: e0000000-e7ffffff 01:06.0 Class 0200: 10ec:8139 (rev 10) Subsystem: 10ec:8139 Flags: bus master, medium devsel, latency 32, IRQ 10 I/O ports at c000 [size=256] Memory at ec112000 (32-bit, non-prefetchable) [size=256] [virtual] Expansion ROM at 40000000 [disabled] [size=64K] Capabilities: [50] Power Management version 2 01:07.0 Class 0200: 10ec:8029 Flags: medium devsel, IRQ 11 I/O ports at c400 [size=32] [virtual] Expansion ROM at 40010000 [disabled] [size=32K] 01:08.0 Class 0280: 1050:6692 (rev 01) Subsystem: 1234:5678 Flags: medium devsel, IRQ 12 Memory at ec110000 (32-bit, non-prefetchable) [size=4K] I/O ports at c800 [size=256] 01:09.0 Class 0401: 1013:6003 (rev 01) Subsystem: 1681:0051 Flags: bus master, slow devsel, latency 32, IRQ 5 Memory at ec111000 (32-bit, non-prefetchable) [size=4K] Memory at ec000000 (32-bit, non-prefetchable) [size=1M] Capabilities: [40] Power Management version 2 01:0a.0 Class 0000: 1000:0001 (rev 01) Flags: bus master, medium devsel, latency 32, IRQ 10 I/O ports at cc00 [size=256] Memory at ec113000 (32-bit, non-prefetchable) [size=256] 02:00.0 Class 0300: 10de:0281 (rev a1) Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 11 Memory at ea000000 (32-bit, non-prefetchable) [size=16M] Memory at e0000000 (32-bit, prefetchable) [size=128M] [virtual] Expansion ROM at eb000000 [disabled] [size=128K] Capabilities: [60] Power Management version 2 Capabilities: [44] AGP version 3.0 ---------------------------------------------------------------------- Raymond - 07-23-06 13:49 ---------------------------------------------------------------------- Please update alsa-utils to the same version of alsa-lib speaker-test -c 2 -t wav speaker-test -c 4 -Dsurround40 -t wav speaker-test -c 6 -Dsurround51 -t wav Issue History Date Modified Username Field Change ====================================================================== 02-23-06 00:48 bitmage2 New Issue 02-23-06 00:48 bitmage2 Distribution => SuSE Linux 10.0 02-23-06 00:48 bitmage2 Kernel Version => Linux 2.6.13-15.8-default #1 Tue Feb 7 11:07:24 UTC 2006 i686 athlon i386 GNU/Linux 02-23-06 00:54 bitmage2 Note Added: 0008164 02-23-06 00:55 bitmage2 Issue Monitored: bitmage2 07-11-06 05:58 Raymond Note Added: 0010964 07-14-06 20:57 bitmage2 Note Added: 0011004 07-14-06 20:59 bitmage2 Note Added: 0011005 07-14-06 21:25 rlrevell Note Added: 0011006 07-14-06 22:40 bitmage2 Note Added: 0011008 07-14-06 22:57 rlrevell Note Added: 0011009 07-15-06 01:28 bitmage2 Note Added: 0011013 07-15-06 01:45 rlrevell Note Added: 0011014 07-15-06 05:09 Raymond Note Added: 0011017 07-15-06 07:17 Raymond Note Edited: 0011017 07-23-06 11:34 bitmage2 Note Added: 0011183 07-23-06 13:49 Raymond Note Added: 0011185 ====================================================================== ------------------------------------------------------------------------- Take Surveys. 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