clock source 25 is not valid, cannot use
When I use linux-image-3.2.0-0.bpo.4-rt-amd64, An error of a large quantity of clock source occurs at the boot time when I connect usb-sound-card AS372(chip:CM6620).
There is not the problem with the stability of the system, but these errors fill up the log.
When I used kernel 2.6.32, this error was not displayed because usb-sound-card did not recognize.
I do not know it whether that this error is the problem of the kernel or a problem of alsa.
How can I fix it?
-- System Information:
Debian Release: 6.0.6
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
** Kernel log:
[ 69.568042] 2:4:2: clock source 25 is not valid, cannot use
[ 69.570406] 2:4:2: clock source 25 is not valid, cannot use
[ 69.570907] 2:4:2: clock source 25 is not valid, cannot use
[ 69.571531] 2:4:2: clock source 25 is not valid, cannot use
[ 69.572798] 2:4:2: clock source 25 is not valid, cannot use
[ 69.573935] 2:4:2: clock source 25 is not valid, cannot use
[ 69.576163] 2:4:2: clock source 25 is not valid, cannot use
[ 69.576660] 2:4:2: clock source 25 is not valid, cannot use
[ 69.577282] 2:4:2: clock source 25 is not valid, cannot use
[ 69.578426] 2:4:2: clock source 25 is not valid, cannot use
[ 69.579551] 2:4:2: clock source 25 is not valid, cannot use
[ 69.582158] 2:4:2: clock source 25 is not valid, cannot use
[ 69.582658] 2:4:2: clock source 25 is not valid, cannot use
[ 69.583283] 2:4:2: clock source 25 is not valid, cannot use
[ 69.584321] 2:4:2: clock source 25 is not valid, cannot use
[ 69.585442] 2:4:2: clock source 25 is not valid, cannot use
[ 69.587907] 2:4:2: clock source 25 is not valid, cannot use
[ 69.588538] 2:4:2: clock source 25 is not valid, cannot use
[ 69.589033] 2:4:2: clock source 25 is not valid, cannot use
[ 69.590055] 2:4:2: clock source 25 is not valid, cannot use
[ 69.591177] 2:4:2: clock source 25 is not valid, cannot use
[ 69.593908] 2:4:2: clock source 25 is not valid, cannot use
[ 69.594533] 2:4:2: clock source 25 is not valid, cannot use
[ 69.595158] 2:4:2: clock source 25 is not valid, cannot use
[ 69.596183] 2:4:2: clock source 25 is not valid, cannot use
[ 69.597442] 2:4:2: clock source 25 is not valid, cannot use
[ 69.600077] 2:4:2: clock source 25 is not valid, cannot use
[ 69.600793] 2:4:2: clock source 25 is not valid, cannot use
[ 69.601411] 2:4:2: clock source 25 is not valid, cannot use
[ 69.602440] 2:4:2: clock source 25 is not valid, cannot use
[ 69.603559] 2:4:2: clock source 25 is not valid, cannot use
[ 69.626664] 2:4:2: clock source 25 is not valid, cannot use
[ 69.627288] 2:4:2: clock source 25 is not valid, cannot use
[ 69.627913] 2:4:2: clock source 25 is not valid, cannot use
[ 69.629064] 2:4:2: clock source 25 is not valid, cannot use
[ 69.630184] 2:4:2: clock source 25 is not valid, cannot use
[ 69.632418] 2:4:2: clock source 25 is not valid, cannot use
[ 69.632914] 2:4:2: clock source 25 is not valid, cannot use
[ 69.633414] 2:4:2: clock source 25 is not valid, cannot use
[ 69.634439] 2:4:2: clock source 25 is not valid, cannot use
[ 69.635437] 2:4:2: clock source 25 is not valid, cannot use
[ 69.638039] 2:4:2: clock source 25 is not valid, cannot use
[ 69.638540] 2:4:2: clock source 25 is not valid, cannot use
[ 69.639165] 2:4:2: clock source 25 is not valid, cannot use
[ 69.640303] 2:4:2: clock source 25 is not valid, cannot use
[ 69.641443] 2:4:2: clock source 25 is not valid, cannot use
[ 69.644079] 2:4:2: clock source 25 is not valid, cannot use
[ 69.644798] 2:4:2: clock source 25 is not valid, cannot use
[ 69.645416] 2:4:2: clock source 25 is not valid, cannot use
[ 69.646566] 2:4:2: clock source 25 is not valid, cannot use
[ 69.647815] 2:4:2: clock source 25 is not valid, cannot use
[ 69.650041] 2:4:2: clock source 25 is not valid, cannot use
[ 69.650666] 2:4:2: clock source 25 is not valid, cannot use
[ 69.651291] 2:4:2: clock source 25 is not valid, cannot use
[ 69.652309] 2:4:2: clock source 25 is not valid, cannot use
[ 69.653442] 2:4:2: clock source 25 is not valid, cannot use
[ 69.655541] 2:4:2: clock source 25 is not valid, cannot use
[ 69.656081] 2:4:2: clock source 25 is not valid, cannot use
[ 69.656798] 2:4:2: clock source 25 is not valid, cannot use
[ 69.657693] 2:4:2: clock source 25 is not valid, cannot use
[ 69.658818] 2:4:2: clock source 25 is not valid, cannot use
[ 69.661292] 2:4:2: clock source 25 is not valid, cannot use
[ 69.661918] 2:4:2: clock source 25 is not valid, cannot use
[ 69.662543] 2:4:2: clock source 25 is not valid, cannot use
[ 69.663567] 2:4:2: clock source 25 is not valid, cannot use
[ 69.664933] 2:4:2: clock source 25 is not valid, cannot use
[ 69.667418] 2:4:2: clock source 25 is not valid, cannot use
[ 69.668154] 2:4:2: clock source 25 is not valid, cannot use
[ 69.668675] 2:4:2: clock source 25 is not valid, cannot use
[ 69.669695] 2:4:2: clock source 25 is not valid, cannot use
[ 69.670819] 2:4:2: clock source 25 is not valid, cannot use
[ 69.673419] 2:4:2: clock source 25 is not valid, cannot use
[ 69.673919] 2:4:2: clock source 25 is not valid, cannot use
[ 69.674419] 2:4:2: clock source 25 is not valid, cannot use
[ 69.675445] 2:4:2: clock source 25 is not valid, cannot use
[ 69.676558] 2:4:2: clock source 25 is not valid, cannot use
[ 69.678920] 2:4:2: clock source 25 is not valid, cannot use
[ 69.679544] 2:4:2: clock source 25 is not valid, cannot use
[ 69.680180] 2:4:2: clock source 25 is not valid, cannot use
[ 69.681197] 2:4:2: clock source 25 is not valid, cannot use
[ 69.682314] 2:4:2: clock source 25 is not valid, cannot use
[ 69.684796] 2:4:2: clock source 25 is not valid, cannot use
[ 69.685422] 2:4:2: clock source 25 is not valid, cannot use
[ 69.686045] 2:4:2: clock source 25 is not valid, cannot use
[ 69.687195] 2:4:2: clock source 25 is not valid, cannot use
[ 69.688320] 2:4:2: clock source 25 is not valid, cannot use
[ 69.690920] 2:4:2: clock source 25 is not valid, cannot use
[ 69.691548] 2:4:2: clock source 25 is not valid, cannot use
[ 69.692182] 2:4:2: clock source 25 is not valid, cannot use
[ 69.693328] 2:4:2: clock source 25 is not valid, cannot use
[ 69.694441] 2:4:2: clock source 25 is not valid, cannot use
[ 69.738055] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0xa00, type = 3
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