<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Stuttering when using "Simultaneous output""
   href="https://bugs.freedesktop.org/show_bug.cgi?id=47899#c15">Comment # 15</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Stuttering when using "Simultaneous output""
   href="https://bugs.freedesktop.org/show_bug.cgi?id=47899">bug 47899</a>
              from <span class="vcard"><a class="email" href="mailto:Olli-D@gmx.de" title="Oliver <Olli-D@gmx.de>"> <span class="fn">Oliver</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=47899#c14">comment #14</a>)

<span class="quote">> you can enable xrun_debug on both cards to check whether the hwptr are in
> sync on each hardware pointer update call</span >

Hi,

I've enabled xrun_debug on both cards:
=> echo 16 > card0/pcm0p/xrun_debug
=> echo 16 > card1/pcm7p/xrun_debug

There were serveral pcmXp's in card1 section....but only one with sub0/status
state: RUNNING...all other were "closed"

I've played a flash-video again....here is the output of dmesg during playback:

[ 1401.479793] hwptr_update: pcmC1D7p:0: pos=62612/44096/88192,
hwptr=1/49097363/49097364/49034752
[ 1401.668545] hwptr_update: pcmC0D0p:0: pos=66294/44100/88200,
hwptr=8316/49097178/49105494/49039200
[ 1401.668547] hwptr_update: pcmC1D7p:0: pos=70927/44096/88192,
hwptr=8315/49097364/49105679/49034752
[ 1401.669106] hwptr_update: pcmC1D7p:0: pos=70952/44096/88192,
hwptr=25/49105679/49105704/49034752
[ 1401.669108] hwptr_update: pcmC0D0p:0: pos=66320/44100/88200,
hwptr=26/49105494/49105520/49039200
[ 1401.669125] hwptr_update: pcmC0D0p:0: pos=66320/44100/88200,
hwptr=0/49105520/49105520/49039200
[ 1401.669126] hwptr_update: pcmC1D7p:0: pos=70953/44096/88192,
hwptr=1/49105704/49105705/49034752
[ 1401.858799] hwptr_update: pcmC0D0p:0: pos=74676/44100/88200,
hwptr=8356/49105520/49113876/49039200
[ 1401.858803] hwptr_update: pcmC1D7p:0: pos=79309/44096/88192,
hwptr=8356/49105705/49114061/49034752
[ 1401.860107] hwptr_update: pcmC1D7p:0: pos=79367/44096/88192,
hwptr=58/49114061/49114119/49034752
[ 1401.860111] hwptr_update: pcmC0D0p:0: pos=74733/44100/88200,
hwptr=57/49113876/49113933/49039200
[ 1401.860131] hwptr_update: pcmC0D0p:0: pos=74734/44100/88200,
hwptr=1/49113933/49113934/49039200
[ 1401.860135] hwptr_update: pcmC1D7p:0: pos=79368/44096/88192,
hwptr=1/49114119/49114120/49034752
[ 1401.958528] hwptr_update: pcmC0D0p:0: pos=79070/44100/88200,
hwptr=4336/49113934/49118270/49039200
[ 1401.958639] hwptr_update: pcmC1D7p:0: pos=83708/44096/88192,
hwptr=4340/49114120/49118460/49034752
[ 1401.958903] hwptr_update: pcmC0D0p:0: pos=79086/44100/88200,
hwptr=16/49118270/49118286/49039200
[ 1401.958914] hwptr_update: pcmC0D0p:0: pos=79086/44100/88200,
hwptr=0/49118286/49118286/49039200
[ 1401.958927] hwptr_update: pcmC1D7p:0: pos=83721/44096/88192,
hwptr=13/49118460/49118473/49034752
[ 1401.958937] hwptr_update: pcmC1D7p:0: pos=83721/44096/88192,
hwptr=0/49118473/49118473/49034752
[ 1401.958941] hwptr_update: pcmC0D0p:0: pos=79088/44100/88200,
hwptr=2/49118286/49118288/49039200
[ 1401.958949] hwptr_update: pcmC0D0p:0: pos=79088/44100/88200,
hwptr=0/49118288/49118288/49039200
[ 1401.959187] hwptr_update: pcmC0D0p:0: pos=79098/44100/88200,
hwptr=10/49118288/49118298/49039200
[ 1401.959200] hwptr_update: pcmC0D0p:0: pos=79099/44100/88200,
hwptr=1/49118298/49118299/49039200
[ 1401.959630] hwptr_update: pcmC0D0p:0: pos=79119/44100/88200,
hwptr=20/49118299/49118319/49039200
[ 1401.959639] hwptr_update: pcmC0D0p:0: pos=79119/44100/88200,
hwptr=0/49118319/49118319/49039200
[ 1401.959667] hwptr_update: pcmC0D0p:0: pos=79120/44100/88200,
hwptr=1/49118319/49118320/49039200
[ 1401.959672] hwptr_update: pcmC0D0p:0: pos=79120/44100/88200,
hwptr=0/49118320/49118320/49039200
[ 1401.959937] hwptr_update: pcmC0D0p:0: pos=79132/44100/88200,
hwptr=12/49118320/49118332/49039200
[ 1401.959944] hwptr_update: pcmC0D0p:0: pos=79132/44100/88200,
hwptr=0/49118332/49118332/49039200
[ 1401.959979] hwptr_update: pcmC0D0p:0: pos=79133/44100/88200,
hwptr=1/49118332/49118333/49039200
[ 1401.959988] hwptr_update: pcmC0D0p:0: pos=79134/44100/88200,
hwptr=1/49118333/49118334/49039200
[ 1401.960235] hwptr_update: pcmC0D0p:0: pos=79145/44100/88200,
hwptr=11/49118334/49118345/49039200
[ 1401.960245] hwptr_update: pcmC0D0p:0: pos=79145/44100/88200,
hwptr=0/49118345/49118345/49039200
[ 1401.960271] hwptr_update: pcmC0D0p:0: pos=79146/44100/88200,
hwptr=1/49118345/49118346/49039200
[ 1401.960281] hwptr_update: pcmC0D0p:0: pos=79147/44100/88200,
hwptr=1/49118346/49118347/49039200
[ 1401.960493] hwptr_update: pcmC0D0p:0: pos=79156/44100/88200,
hwptr=9/49118347/49118356/49039200
[ 1401.960505] hwptr_update: pcmC0D0p:0: pos=79157/44100/88200,
hwptr=1/49118356/49118357/49039200
[ 1401.960529] hwptr_update: pcmC0D0p:0: pos=79158/44100/88200,
hwptr=1/49118357/49118358/49039200
[ 1401.960538] hwptr_update: pcmC0D0p:0: pos=79158/44100/88200,
hwptr=0/49118358/49118358/49039200
[ 1401.960741] hwptr_update: pcmC0D0p:0: pos=79167/44100/88200,
hwptr=9/49118358/49118367/49039200
[ 1401.960752] hwptr_update: pcmC0D0p:0: pos=79167/44100/88200,
hwptr=0/49118367/49118367/49039200
[ 1401.960788] hwptr_update: pcmC0D0p:0: pos=79169/44100/88200,
hwptr=2/49118367/49118369/49039200
[ 1401.960798] hwptr_update: pcmC0D0p:0: pos=79170/44100/88200,
hwptr=1/49118369/49118370/49039200
[ 1401.961087] hwptr_update: pcmC0D0p:0: pos=79182/44100/88200,
hwptr=12/49118370/49118382/49039200
[ 1401.961099] hwptr_update: pcmC0D0p:0: pos=79183/44100/88200,
hwptr=1/49118382/49118383/49039200
[ 1401.961127] hwptr_update: pcmC0D0p:0: pos=79184/44100/88200,
hwptr=1/49118383/49118384/49039200
[ 1401.961138] hwptr_update: pcmC0D0p:0: pos=79185/44100/88200,
hwptr=1/49118384/49118385/49039200
[ 1401.961418] hwptr_update: pcmC0D0p:0: pos=79197/44100/88200,
hwptr=12/49118385/49118397/49039200
[ 1401.961431] hwptr_update: pcmC0D0p:0: pos=79198/44100/88200,
hwptr=1/49118397/49118398/49039200
[ 1401.961457] hwptr_update: pcmC0D0p:0: pos=79199/44100/88200,
hwptr=1/49118398/49118399/49039200
[ 1401.961468] hwptr_update: pcmC0D0p:0: pos=79200/44100/88200,
hwptr=1/49118399/49118400/49039200
[ 1401.961680] hwptr_update: pcmC0D0p:0: pos=79209/44100/88200,
hwptr=9/49118400/49118409/49039200
[ 1401.961689] hwptr_update: pcmC0D0p:0: pos=79209/44100/88200,
hwptr=0/49118409/49118409/49039200
[ 1401.961710] hwptr_update: pcmC0D0p:0: pos=79210/44100/88200,
hwptr=1/49118409/49118410/49039200
[ 1401.961718] hwptr_update: pcmC0D0p:0: pos=79211/44100/88200,
hwptr=1/49118410/49118411/49039200
[ 1401.962002] hwptr_update: pcmC0D0p:0: pos=79222/44100/88200,
hwptr=11/49118411/49118422/49039200
[ 1401.962008] hwptr_update: pcmC0D0p:0: pos=79223/44100/88200,
hwptr=1/49118422/49118423/49039200
[ 1401.962032] hwptr_update: pcmC0D0p:0: pos=79224/44100/88200,
hwptr=1/49118423/49118424/49039200
[ 1401.962037] hwptr_update: pcmC0D0p:0: pos=79224/44100/88200,
hwptr=0/49118424/49118424/49039200
[ 1401.962251] hwptr_update: pcmC0D0p:0: pos=79233/44100/88200,
hwptr=9/49118424/49118433/49039200
[ 1401.962260] hwptr_update: pcmC0D0p:0: pos=79234/44100/88200,
hwptr=1/49118433/49118434/49039200
[ 1401.962282] hwptr_update: pcmC0D0p:0: pos=79235/44100/88200,
hwptr=1/49118434/49118435/49039200
[ 1401.962290] hwptr_update: pcmC0D0p:0: pos=79235/44100/88200,
hwptr=0/49118435/49118435/49039200
[ 1401.962494] hwptr_update: pcmC0D0p:0: pos=79245/44100/88200,
hwptr=10/49118435/49118445/49039200
[ 1401.962503] hwptr_update: pcmC0D0p:0: pos=79245/44100/88200,
hwptr=0/49118445/49118445/49039200
[ 1401.962525] hwptr_update: pcmC0D0p:0: pos=79246/44100/88200,
hwptr=1/49118445/49118446/49039200
[ 1401.962532] hwptr_update: pcmC0D0p:0: pos=79246/44100/88200,
hwptr=0/49118446/49118446/49039200
[ 1401.962737] hwptr_update: pcmC0D0p:0: pos=79256/44100/88200,
hwptr=10/49118446/49118456/49039200
[ 1401.962746] hwptr_update: pcmC0D0p:0: pos=79256/44100/88200,
hwptr=0/49118456/49118456/49039200
[ 1401.962788] hwptr_update: pcmC0D0p:0: pos=79257/44100/88200,
hwptr=1/49118456/49118457/49039200
[ 1401.962799] hwptr_update: pcmC0D0p:0: pos=79258/44100/88200,
hwptr=1/49118457/49118458/49039200
[ 1401.963124] hwptr_update: pcmC0D0p:0: pos=79272/44100/88200,
hwptr=14/49118458/49118472/49039200
[ 1401.963136] hwptr_update: pcmC0D0p:0: pos=79273/44100/88200,
hwptr=1/49118472/49118473/49039200
[ 1401.963162] hwptr_update: pcmC0D0p:0: pos=79274/44100/88200,
hwptr=1/49118473/49118474/49039200
[ 1401.963172] hwptr_update: pcmC0D0p:0: pos=79274/44100/88200,
hwptr=0/49118474/49118474/49039200
[ 1401.963450] hwptr_update: pcmC0D0p:0: pos=79287/44100/88200,
hwptr=13/49118474/49118487/49039200
[ 1401.963458] hwptr_update: pcmC0D0p:0: pos=79287/44100/88200,
hwptr=0/49118487/49118487/49039200
[ 1401.963485] hwptr_update: pcmC0D0p:0: pos=79288/44100/88200,
hwptr=1/49118487/49118488/49039200
[ 1401.963491] hwptr_update: pcmC0D0p:0: pos=79289/44100/88200,
hwptr=1/49118488/49118489/49039200
[ 1401.963695] hwptr_update: pcmC0D0p:0: pos=79298/44100/88200,
hwptr=9/49118489/49118498/49039200
[ 1401.963704] hwptr_update: pcmC0D0p:0: pos=79298/44100/88200,
hwptr=0/49118498/49118498/49039200
[ 1401.963729] hwptr_update: pcmC0D0p:0: pos=79299/44100/88200,
hwptr=1/49118498/49118499/49039200
[ 1401.963737] hwptr_update: pcmC0D0p:0: pos=79300/44100/88200,
hwptr=1/49118499/49118500/49039200
[ 1401.964087] hwptr_update: pcmC0D0p:0: pos=79314/44100/88200,
hwptr=14/49118500/49118514/49039200
[ 1401.964099] hwptr_update: pcmC0D0p:0: pos=79315/44100/88200,
hwptr=1/49118514/49118515/49039200
[ 1401.964120] hwptr_update: pcmC0D0p:0: pos=79316/44100/88200,
hwptr=1/49118515/49118516/49039200
[ 1401.964127] hwptr_update: pcmC0D0p:0: pos=79316/44100/88200,
hwptr=0/49118516/49118516/49039200
[ 1402.148779] hwptr_update: pcmC0D0p:0: pos=87452/44100/88200,
hwptr=8136/49118516/49126652/49039200
[ 1402.148863] hwptr_update: pcmC1D7p:0: pos=3896/44096/88192,
hwptr=8367/49118473/49126840/49034752
[ 1402.149459] hwptr_update: pcmC0D0p:0: pos=87481/44100/88200,
hwptr=29/49126652/49126681/49039200
[ 1402.149468] hwptr_update: pcmC0D0p:0: pos=87482/44100/88200,
hwptr=1/49126681/49126682/49039200
[ 1402.149480] hwptr_update: pcmC0D0p:0: pos=87482/44100/88200,
hwptr=0/49126682/49126682/49039200
[ 1402.149489] hwptr_update: pcmC1D7p:0: pos=3925/44096/88192,
hwptr=29/49126840/49126869/49122944
[ 1402.149499] hwptr_update: pcmC1D7p:0: pos=3925/44096/88192,
hwptr=0/49126869/49126869/49122944
[ 1402.339048] hwptr_update: pcmC0D0p:0: pos=7633/44100/88200,
hwptr=8351/49126682/49135033/49039200
[ 1402.339063] hwptr_update: pcmC1D7p:0: pos=12276/44096/88192,
hwptr=8351/49126869/49135220/49122944
[ 1402.339657] hwptr_update: pcmC0D0p:0: pos=7661/44100/88200,
hwptr=28/49135033/49135061/49127400
[ 1402.339667] hwptr_update: pcmC0D0p:0: pos=7661/44100/88200,
hwptr=0/49135061/49135061/49127400
[ 1402.339677] hwptr_update: pcmC1D7p:0: pos=12303/44096/88192,
hwptr=27/49135220/49135247/49122944
[ 1402.339687] hwptr_update: pcmC1D7p:0: pos=12304/44096/88192,
hwptr=1/49135247/49135248/49122944
[ 1402.339691] hwptr_update: pcmC0D0p:0: pos=7662/44100/88200,
hwptr=1/49135061/49135062/49127400
[ 1402.529286] hwptr_update: pcmC0D0p:0: pos=16015/44100/88200,
hwptr=8353/49135062/49143415/49127400
[ 1402.529298] hwptr_update: pcmC1D7p:0: pos=20657/44096/88192,
hwptr=8353/49135248/49143601/49122944
[ 1402.530452] hwptr_update: pcmC1D7p:0: pos=20707/44096/88192,
hwptr=50/49143601/49143651/49122944
[ 1402.530455] hwptr_update: pcmC0D0p:0: pos=16067/44100/88200,
hwptr=52/49143415/49143467/49127400
[ 1402.530473] hwptr_update: pcmC0D0p:0: pos=16067/44100/88200,
hwptr=0/49143467/49143467/49127400
[ 1402.530477] hwptr_update: pcmC1D7p:0: pos=20709/44096/88192,
hwptr=2/49143651/49143653/49122944
[ 1402.719593] hwptr_update: pcmC0D0p:0: pos=24399/44100/88200,
hwptr=8332/49143467/49151799/49127400
[ 1402.719597] hwptr_update: pcmC1D7p:0: pos=29040/44096/88192,
hwptr=8331/49143653/49151984/49122944
[ 1402.721222] hwptr_update: pcmC1D7p:0: pos=29112/44096/88192,
hwptr=72/49151984/49152056/49122944
[ 1402.721226] hwptr_update: pcmC0D0p:0: pos=24471/44100/88200,
hwptr=72/49151799/49151871/49127400
[ 1402.721246] hwptr_update: pcmC0D0p:0: pos=24471/44100/88200,
hwptr=0/49151871/49151871/49127400
[ 1402.721249] hwptr_update: pcmC1D7p:0: pos=29113/44096/88192,
hwptr=1/49152056/49152057/49122944
[ 1402.909914] hwptr_update: pcmC0D0p:0: pos=32783/44100/88200,
hwptr=8312/49151871/49160183/49127400
[ 1402.909918] hwptr_update: pcmC1D7p:0: pos=37425/44096/88192,
hwptr=8312/49152057/49160369/49122944
[ 1402.911092] hwptr_update: pcmC1D7p:0: pos=37477/44096/88192,
hwptr=52/49160369/49160421/49122944
[ 1402.911095] hwptr_update: pcmC0D0p:0: pos=32836/44100/88200,
hwptr=53/49160183/49160236/49127400
[ 1402.911114] hwptr_update: pcmC0D0p:0: pos=32837/44100/88200,
hwptr=1/49160236/49160237/49127400
[ 1402.911117] hwptr_update: pcmC1D7p:0: pos=37478/44096/88192,
hwptr=1/49160421/49160422/49122944
[ 1403.100160] hwptr_update: pcmC0D0p:0: pos=41165/44100/88200,
hwptr=8328/49160237/49168565/49127400
[ 1403.100169] hwptr_update: pcmC1D7p:0: pos=45807/44096/88192,
hwptr=8329/49160422/49168751/49122944
[ 1403.101303] hwptr_update: pcmC1D7p:0: pos=45857/44096/88192,
hwptr=50/49168751/49168801/49122944
[ 1403.101307] hwptr_update: pcmC0D0p:0: pos=41216/44100/88200,
hwptr=51/49168565/49168616/49127400
[ 1403.101326] hwptr_update: pcmC0D0p:0: pos=41217/44100/88200,
hwptr=1/49168616/49168617/49127400
[ 1403.101330] hwptr_update: pcmC1D7p:0: pos=45858/44096/88192,
hwptr=1/49168801/49168802/49122944
[ 1403.290423] hwptr_update: pcmC0D0p:0: pos=49547/44100/88200,
hwptr=8330/49168617/49176947/49127400
[ 1403.290425] hwptr_update: pcmC1D7p:0: pos=54189/44096/88192,
hwptr=8331/49168802/49177133/49122944
[ 1403.290996] hwptr_update: pcmC1D7p:0: pos=54214/44096/88192,
hwptr=25/49177133/49177158/49122944
[ 1403.291002] hwptr_update: pcmC0D0p:0: pos=49573/44100/88200,
hwptr=26/49176947/49176973/49127400
[ 1403.291014] hwptr_update: pcmC1D7p:0: pos=54215/44096/88192,
hwptr=1/49177158/49177159/49122944
[ 1403.291016] hwptr_update: pcmC0D0p:0: pos=49573/44100/88200,
hwptr=0/49176973/49176973/49127400
[ 1403.480689] hwptr_update: pcmC0D0p:0: pos=57930/44100/88200,
hwptr=8357/49176973/49185330/49127400
[ 1403.480694] hwptr_update: pcmC1D7p:0: pos=62571/44096/88192,
hwptr=8356/49177159/49185515/49122944
[ 1403.482071] hwptr_update: pcmC1D7p:0: pos=62632/44096/88192,
hwptr=61/49185515/49185576/49122944
[ 1403.482075] hwptr_update: pcmC0D0p:0: pos=57991/44100/88200,
hwptr=61/49185330/49185391/49127400
[ 1403.482095] hwptr_update: pcmC0D0p:0: pos=57992/44100/88200,
hwptr=1/49185391/49185392/49127400
[ 1403.482099] hwptr_update: pcmC1D7p:0: pos=62634/44096/88192,
hwptr=2/49185576/49185578/49122944
[ 1403.671010] hwptr_update: pcmC0D0p:0: pos=66314/44100/88200,
hwptr=8322/49185392/49193714/49127400
[ 1403.671014] hwptr_update: pcmC1D7p:0: pos=70956/44096/88192,
hwptr=8322/49185578/49193900/49122944
[ 1403.672485] hwptr_update: pcmC1D7p:0: pos=71021/44096/88192,
hwptr=65/49193900/49193965/49122944
[ 1403.672498] hwptr_update: pcmC0D0p:0: pos=66380/44100/88200,
hwptr=66/49193714/49193780/49127400
[ 1403.672514] hwptr_update: pcmC0D0p:0: pos=66381/44100/88200,
hwptr=1/49193780/49193781/49127400
[ 1403.672518] hwptr_update: pcmC1D7p:0: pos=71023/44096/88192,
hwptr=2/49193965/49193967/49122944
[ 1403.861327] hwptr_update: pcmC0D0p:0: pos=74699/44100/88200,
hwptr=8318/49193781/49202099/49127400
[ 1403.861330] hwptr_update: pcmC1D7p:0: pos=79340/44096/88192,
hwptr=8317/49193967/49202284/49122944
[ 1403.862567] hwptr_update: pcmC1D7p:0: pos=79395/44096/88192,
hwptr=55/49202284/49202339/49122944
[ 1403.862572] hwptr_update: pcmC0D0p:0: pos=74755/44100/88200,
hwptr=56/49202099/49202155/49127400
[ 1403.862590] hwptr_update: pcmC0D0p:0: pos=74755/44100/88200,
hwptr=0/49202155/49202155/49127400
[ 1403.862593] hwptr_update: pcmC1D7p:0: pos=79396/44096/88192,
hwptr=1/49202339/49202340/49122944
[ 1404.051599] hwptr_update: pcmC0D0p:0: pos=83081/44100/88200,
hwptr=8326/49202155/49210481/49127400
[ 1404.051603] hwptr_update: pcmC1D7p:0: pos=87723/44096/88192,
hwptr=8327/49202340/49210667/49122944
[ 1404.053086] hwptr_update: pcmC0D0p:0: pos=83147/44100/88200,
hwptr=66/49210481/49210547/49127400
[ 1404.053090] hwptr_update: pcmC1D7p:0: pos=87789/44096/88192,
hwptr=66/49210667/49210733/49122944
[ 1404.053112] hwptr_update: pcmC1D7p:0: pos=87790/44096/88192,
hwptr=1/49210733/49210734/49122944
[ 1404.053115] hwptr_update: pcmC0D0p:0: pos=83148/44100/88200,
hwptr=1/49210547/49210548/49127400
[ 1404.241897] hwptr_update: pcmC0D0p:0: pos=3266/44100/88200,
hwptr=8318/49210548/49218866/49127400
[ 1404.241902] hwptr_update: pcmC1D7p:0: pos=7914/44096/88192,
hwptr=8316/49210734/49219050/49122944
[ 1404.243483] hwptr_update: pcmC1D7p:0: pos=7985/44096/88192,
hwptr=71/49219050/49219121/49211136
[ 1404.243488] hwptr_update: pcmC0D0p:0: pos=3336/44100/88200,
hwptr=70/49218866/49218936/49215600
[ 1404.243508] hwptr_update: pcmC0D0p:0: pos=3336/44100/88200,
hwptr=0/49218936/49218936/49215600
[ 1404.243512] hwptr_update: pcmC1D7p:0: pos=7986/44096/88192,
hwptr=1/49219121/49219122/49211136

regards,
Kontr-Olli</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the QA Contact for the bug.</li>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>