October 2012 - Alsa-devel - mailman.alsa-project.org

[alsa-devel] [sound-unstable:topic/hda-spdif-fix 99/124] ERROR: "snd_dmaengine_pcm_open" [sound/soc/omap/snd-soc-omap.ko] undefined!
by Fengguang Wu 22 Oct '12

22 Oct '12

Hi Peter, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-unstable.git topic/hda-spdif-fix head: afc51e492b36bd61b46f4d70dd646678d96f5f97 commit: e7736cdea223f3a5b867c359fb35cf08250dd771 [99/124] dmaengine: Add flags parameter to dmaengine_prep_dma_cyclic() config: arm-omap2plus_defconfig # make ARCH=arm omap2plus_defconfig All error/warnings: ERROR: "snd_hwparams_to_dma_slave_config" [sound/soc/omap/snd-soc-omap.ko] undefined! ERROR: "snd_dmaengine_pcm_pointer" [sound/soc/omap/snd-soc-omap.ko] undefined! ERROR: "snd_dmaengine_pcm_open" [sound/soc/omap/snd-soc-omap.ko] undefined! ERROR: "snd_dmaengine_pcm_close" [sound/soc/omap/snd-soc-omap.ko] undefined! ERROR: "snd_dmaengine_pcm_get_chan" [sound/soc/omap/snd-soc-omap.ko] undefined! ERROR: "snd_dmaengine_pcm_trigger" [sound/soc/omap/snd-soc-omap.ko] undefined! --- 0-DAY kernel build testing backend Open Source Technology Center Fengguang Wu, Yuanhan Liu Intel Corporation

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Re: [alsa-devel] [PATCH] ALSA: hda - remove unused variable in azx_position_ok()
by Takashi Iwai 22 Oct '12

22 Oct '12

At Mon, 22 Oct 2012 16:30:10 +0800, Wei Yongjun wrote: > > From: Wei Yongjun <yongjun_wei(a)trendmicro.com.cn> > > The variable stream is initialized but never used > otherwise, so remove the unused variable. > > dpatch engine is used to auto generate this patch. > (https://github.com/weiyj/dpatch) > > Signed-off-by: Wei Yongjun <yongjun_wei(a)trendmicro.com.cn> Thanks, applied. Takashi > --- > sound/pci/hda/hda_intel.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c > index 72b085a..0ceed85 100644 > --- a/sound/pci/hda/hda_intel.c > +++ b/sound/pci/hda/hda_intel.c > @@ -2193,13 +2193,11 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) > { > u32 wallclk; > unsigned int pos; > - int stream; > > wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk; > if (wallclk < (azx_dev->period_wallclk * 2) / 3) > return -1; /* bogus (too early) interrupt */ > > - stream = azx_dev->substream->stream; > pos = azx_get_position(chip, azx_dev, true); > > if (WARN_ONCE(!azx_dev->period_bytes, >

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Re: [alsa-devel] [PATCH 2/2] ASoC: Ux500: Fixup compile error
by Lee Jones 22 Oct '12

22 Oct '12

On Fri, 19 Oct 2012, Ulf Hansson wrote: > From: Ulf Hansson <ulf.hansson(a)linaro.org> > > The below commit introduced a compile error for a missing include file. > ASoC: ux500_msp_i2s: better use devm functions and fix error return code Already fixed: https://patchwork.kernel.org/patch/1593881/ -- Lee Jones Linaro ST-Ericsson Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog

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Re: [alsa-devel] [PATCH 1/2] ASoC: Ux500: Fixup complile errors due to merge
by Lee Jones 22 Oct '12

22 Oct '12

On Fri, 19 Oct 2012, Ulf Hansson wrote: > From: Ulf Hansson <ulf.hansson(a)linaro.org> > > Likely during merge of the below commits ended up breaking compilation: > ASoC: Ux500: Enable ux500 MSP driver for Device Tree > ASoC: ux500_msp_i2s: better use devm functions and fix error return code This is already fixed: https://patchwork.kernel.org/patch/1593881/ -- Lee Jones Linaro ST-Ericsson Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog

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Re: [alsa-devel] A reliable kernel panic (3.6.2) and system crash when visiting a particular website
by Daniel Mack 21 Oct '12

21 Oct '12

On 21.10.2012 22:43, Artem S. Tashkinov wrote: >> Nice. Could you do that again with the patch applied I sent yo some >> hours ago? > > That patch was of no help - the system has crashed and I couldn't spot relevant > messages. > > I've no idea what it means. The sequence of driver callbacks issued on a stream start is .open() .hw_params() .prepare() .trigger() If the ALSA part really causes this issue, the bad things happen either in any of the driver callback functions or in the core underneath. The patch I sent returns an error from the hw_params callback, and as you still see the problem, that means that the crash happens before any of the USB audio streaming really starts. Could you try and return -EINVAL from snd_usb_capture_open() please? If anyone has a better idea on how to debug this, please chime in. Daniel

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Re: [alsa-devel] A reliable kernel panic (3.6.2) and system crash when visiting a particular website
by Daniel Mack 21 Oct '12

21 Oct '12

On 21.10.2012 21:49, Artem S. Tashkinov wrote: >> >> On Oct 21, 2012, Borislav Petkov <bp(a)alien8.de> wrote: >> >> On Sun, Oct 21, 2012 at 11:59:36AM +0000, Artem S. Tashkinov wrote: >>> http://imageshack.us/a/img685/9452/panicz.jpg >>> >>> list_del corruption. prev->next should be ... but was ... >> >> Btw, this is one of the debug options I told you to enable. >> >>> I cannot show you more as I have no serial console to use :( and the kernel >>> doesn't have enough time to push error messages to rsyslog and fsync >>> /var/log/messages >> >> I already told you how to catch that oops: boot with "pause_on_oops=600" >> on the kernel command line and photograph the screen when the first oops >> happens. This'll show us where the problem begins. > > This option didn't have any effect, or maybe it's because it's such a serious crash > the kernel has no time to actually print an ooops/panic message. > > dmesg messages up to a crash can be seen here: https://bugzilla.kernel.org/attachment.cgi?id=84221 Nice. Could you do that again with the patch applied I sent yo some hours ago? Thanks, Daniel

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Re: [alsa-devel] was: Re: A reliable kernel panic (3.6.2) and system crash when visiting a particular website
by Daniel Mack 21 Oct '12

21 Oct '12

On Oct 21, 2012 5:28 PM, "Alan Stern" <stern(a)rowland.harvard.edu> wrote: > > On Sun, 21 Oct 2012, Daniel Mack wrote: > > > As the usb list is still in Cc: - Artem's lcpci dump shows that his > > machine features XHCI controllers. Can anyone think of a relation to > > this problem? > > > > And Artem, is there any way you boot your system on an older machine > > that only has EHCI ports? Thinking about it, I wonder whether the freeze > > in VBox and the crashes on native hardware have the same root cause. In > > that case, would it be possible to share that VBox image? > > Don't grasp at straws. All of the kernel logs Artem has posted show > ehci-hcd; none of them show xhci-hcd. Therefore the xHCI controller is > highly unlikely to be involved. You might be right - I'm just looking for differences between his setup and mine that would explain why nobody else sees a severe bug that is 100% reproducible for him.

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Re: [alsa-devel] was: Re: A reliable kernel panic (3.6.2) and system crash when visiting a particular website
by Daniel Mack 21 Oct '12

21 Oct '12

On 21.10.2012 16:57, Artem S. Tashkinov wrote: >> On Oct 21, 2012, Daniel Mack wrote: >> >> [Cc: alsa-devel] >> >> On 21.10.2012 14:30, Artem S. Tashkinov wrote: >>> On Oct 21, 2012, Daniel Mack wrote: >>> >>>> A hint at least. How did you enable the audio record exactly? Can you >>>> reproduce this with arecord? >>>> >>>> What chipset are you on? Please provide both "lspci -v" and "lsusb -v" >>>> dumps. As I said, I fail to reproduce that issue on any of my machines. >>> >>> All other applications can read from the USB audio without problems, it's >>> just something in the way Adobe Flash polls my audio input which causes >>> a crash. >>> >>> Just video capture (without audio) works just fine in Adobe Flash. >> >> Ok, so that pretty much rules out the host controller. I just wonder why >> I still don't see it here, and I haven't heard of any such problem from >> anyone else. >> >> Some more questions: >> >> - Which version of Flash are you running? > > Google Chrome has its own version of Adobe Flash: > > Name: Shockwave Flash > Description: Shockwave Flash 11.4 r31 > Version: 11.4.31.110 So that's the same that I'm using. >> - Does this also happen with Firefox? > > No, Adobe Flash in Firefox is an older version (Shockwave Flash 11.1 r102), it shows > just two input devices instead of three which the newer Flash players sees. > > * HDA Intel PCH > * USB Device 0x46d:0x81d And that works, I assume? Does the second choice in the newer Flash version work maybe? >> - Does flash access the device directly or via PulseAudio? > > PA is not installed on my computer, so Flash accesses it directly via ALSA calls. Ok, Same here. >> - Could you please apply the attached patch and see what it spits out to >> dmesg once Flash opens the device? It returns -EINVAL in the hw_params >> callback to prevent the actual streaming. On my machine with Flash >> 11.4.31.110, I get values of 2/44800/1/32768/2048/0, which seems sane. >> Or does your machine still crash before anything is written to the logs? > > I will try it a bit later. Yes, we need to trace the call chain and see at which point the trouble starts. What could help is tracing the google-chrome binary with strace maybe. At least we would see the ioctl command sequence, if the log file survives the crash. As the usb list is still in Cc: - Artem's lcpci dump shows that his machine features XHCI controllers. Can anyone think of a relation to this problem? And Artem, is there any way you boot your system on an older machine that only has EHCI ports? Thinking about it, I wonder whether the freeze in VBox and the crashes on native hardware have the same root cause. In that case, would it be possible to share that VBox image? Daniel

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Re: [alsa-devel] was: Re: A reliable kernel panic (3.6.2) and system crash when visiting a particular website
by Daniel Mack 21 Oct '12

21 Oct '12

[Cc: alsa-devel] On 21.10.2012 14:30, Artem S. Tashkinov wrote: > On Oct 21, 2012, Daniel Mack wrote: > >> A hint at least. How did you enable the audio record exactly? Can you >> reproduce this with arecord? >> >> What chipset are you on? Please provide both "lspci -v" and "lsusb -v" >> dumps. As I said, I fail to reproduce that issue on any of my machines. > > All other applications can read from the USB audio without problems, it's > just something in the way Adobe Flash polls my audio input which causes > a crash. > > Just video capture (without audio) works just fine in Adobe Flash. Ok, so that pretty much rules out the host controller. I just wonder why I still don't see it here, and I haven't heard of any such problem from anyone else. Some more questions: - Which version of Flash are you running? - Does this also happen with Firefox? - Does flash access the device directly or via PulseAudio? - Could you please apply the attached patch and see what it spits out to dmesg once Flash opens the device? It returns -EINVAL in the hw_params callback to prevent the actual streaming. On my machine with Flash 11.4.31.110, I get values of 2/44800/1/32768/2048/0, which seems sane. Or does your machine still crash before anything is written to the logs? > Only and only when I choose to use > > USB Device 0x46d:0x81d my system crashes in Adobe Flash. > > See the screenshot: > > https://bugzilla.kernel.org/attachment.cgi?id=84151 When exactly does the crash happen? Right after you selected that entry from the list? There's a little recording level meter in that dialog. Does that show any input from the microphone? > My hardware information can be fetched from here: > > https://bugzilla.kernel.org/show_bug.cgi?id=49181 > > On a second thought that can be even an ALSA crash or pretty much > anything else. We'll see. Thanks for your help to sort this out! Daniel

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[alsa-devel] usb-audio: Reloop Play support (TI TUSB3200AC)
by Didier 'Ptitjes' Villevalois 21 Oct '12

21 Oct '12

Hello, I've bought a Reloop Play usb soundcard and I'd like to make it work with ALSA. It is a 4-channels USB soundcard. It is currently correctly recognized by ALSA as a 4-channels soundcard and I can correctly open the channels and feed them with audio. However, no audio is output by the box. It seems to contain a Texas Instrument TUSB3200AC chipset (same chipset as the Maya44 USB and Hercules DJ console). I guess the problem is a firmware problem but I don't know what to do about it. I've got a MacOS X driver that works correctly, if that of any help. (I suppose the Windows driver works too but I don't have any Windows at hand.) I'm willing to do whatever you need me to make it run with ALSA. Could you help me ? I attached my alsa-info.sh output. Didier Villevalois.

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