[alsa-devel] [PATCH v2] ALSA: snd-usb-usx2y: remove bogus frame checks

Daniel Mack zonque at gmail.com
Mon Oct 7 17:34:37 CEST 2013


On 07.10.2013 17:35, Takashi Iwai wrote:
> At Mon, 07 Oct 2013 17:11:44 +0200,
> Daniel Mack wrote:
>>
>> On 07.10.2013 16:58, Dr Nicholas J Bailey wrote:
>>> For me, this patch alone fails in much the same way (possibly exactly the same 
>>> way) as before the previous patch.
>>>
>>> From audacity (probably not much use unless you know the source code... I 
>>> don't):
>>
>> [...]
>>
>>> nick at arial:/usr/src$ dmesg | tail
>>> [  111.667015] usb 2-1.6.4: New USB device strings: Mfr=0, Product=0, 
>>> SerialNumber=0
>>> [  114.707156] Sequence Error!(hcd_frame=3 ep=8in;wait=1024,frame=0).
>>> [  114.707156] Most probably some urb of usb-frame 1024 is still missing.
>>
>> You certainly haven't booted a kernel which contains the patch we're
>> talking about here. The only occurance of the error message you quote
>> was removed by this patch, so a patched kernel can't possibly produce
>> what you see in your logs.
> 
> Nicholas booted a kernel without your fix patch but only with my patch
> to disable the -EPIPE check, in order to see whether the latter alone
> suffices or not.  So he's testing with a right kernel :)

Oh, so *I* was referring to the wrong patch then.
Apologies for causing confusion :)


Daniel



More information about the Alsa-devel mailing list