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<p>Hi Remmy,</p>
<p><br>
</p>
<p>I think I've seen the exact same issue on the SuperCollider list
(but I don't have time to search for it). The problem is that the
sound card uses a fixed(!) non-power-of-2 hardware buffer size.
(Who thought this was a good idea!?)</p>
<p><br>
</p>
<p>
<blockquote type="cite">I tried pd -jack in terminal and there's a
"Partial read" message constantly appearing. With callbacks the
message turn into "jack: nframes 1008 not a multiple of
blocksize 64"</blockquote>
<br>
</p>
<p>Both messages essentially mean the same thing: Pd expects the
number of audio samples coming from the hardware to be a multiple
of 64. Pd *could* support non-power-of-2 buffer sizes in the
future (you might file a feature request on GitHub), but in the
short run, use another sound card ;-)</p>
<p><br>
</p>
<p>Christof<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 20.11.2020 00:29, Remmy Canedo
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:AM0PR09MB2562857232F54E021DDA68F5AFE00@AM0PR09MB2562.eurprd09.prod.outlook.com">
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Hi,</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
got a new dell 13 5301. It comes with a sof-hda-dsp card.
After installing Ubuntu 20.04, Qjackctl was not working. I
found a solution here:</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
<a
href="https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg5830075.html"
moz-do-not-send="true">https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg5830075.html</a></div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
Qjackctl started fine with sr 48000 and period 1008 and I
have clean sound from vlc, audacity, ardour, etc but Pd
0.50.2 is constantly crackling.</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
I tried pd -jack in terminal and there's a "Partial read"
message constantly appearing. With callbacks the message
turn into "jack: nframes 1008 not a multiple of blocksize
64"</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
Then I tried pd -jack -blocksize 252 (also 504, 1008) but
the problem continues. Probably I'm missing something, so
any help to fix this will be appreciated.</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Helvetica,sans-serif;
font-size:12pt; color:rgb(0,0,0)">
best, rc.<br>
</div>
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<br>
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<br>
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