[Gta04-owner] Headset jack adapter

Neil Jerram neil at ossau.homelinux.net
Fri Oct 5 21:20:52 CEST 2012

Neil Jerram <neil at ossau.homelinux.net> writes:

>>> When I was playing with a headset at the weekend, I noticed stack traces
>>> in the kernel log, in the area of ALSA (snd_pcm_...), I think at the
>>> same times as I was plugging and unplugging the headset.
>> Can you post them?
> I'll do that.  I tried reproducing them just after my last email, but
> unfortunately they weren't obliging.  I'll have some more attempts over
> the weekend.

I just looked at my dmesg for something else and noticed 3 copies of

[ 5795.269104] omap_dma: You need to stop the DMA channels before unlinking
[ 5795.276306] [<c0012250>] (unwind_backtrace+0x0/0xe0) from [<c0025e80>] (omap_dma_unlink_lch+0x6c/0x8c)
[ 5795.287811] [<c0025e80>] (omap_dma_unlink_lch+0x6c/0x8c) from [<c030b708>] (omap_pcm_hw_free+0x28/0x54)
[ 5795.298522] [<c030b708>] (omap_pcm_hw_free+0x28/0x54) from [<c03070c4>] (soc_pcm_hw_free+0x88/0xd8)
[ 5795.308837] [<c03070c4>] (soc_pcm_hw_free+0x88/0xd8) from [<c02e0ddc>] (snd_pcm_release_substream+0x44/0xa4)
[ 5795.319946] [<c02e0ddc>] (snd_pcm_release_substream+0x44/0xa4) from [<c02e0e64>] (snd_pcm_release+0x28/0x6c)
[ 5795.331146] [<c02e0e64>] (snd_pcm_release+0x28/0x6c) from [<c00a7c94>] (fput+0x104/0x23c)
[ 5795.340484] [<c00a7c94>] (fput+0x104/0x23c) from [<c00a4adc>] (filp_close+0x70/0x7c)
[ 5795.349395] [<c00a4adc>] (filp_close+0x70/0x7c) from [<c00a4bb0>] (sys_close+0xc8/0x120)
[ 5795.359222] [<c00a4bb0>] (sys_close+0xc8/0x120) from [<c000d800>] (ret_fast_syscall+0x0/0x30)

I don't know if that's the same as I saw before when playing with the
headset, but probably it's worth reporting anyway.


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