Just got this problem while Mac was in sleeping mode. Is it serious problem? Will be grateful for help!
Here is a problem:
panic(cpu 1 caller 0xfffffff01bfd18c4): "Speaker::allocateBuffers attempting to release/re-allocate DMA buffer while DMA is streaming." @AppleARMDMAAudioDevice.cpp:1607
Debugger message: panic
Memory ID: 0x6
OS release type: User
OS version: 19P647
macOS version: 20G165
Kernel version: Darwin Kernel Version 21.2.0: Sun Nov 28 20:41:46 PST 2021; root:xnu-8019.61.5~2/RELEASE_ARM64_T8010
Kernel UUID: 096BFE9E-1498-32D9-A90D-40F573034F7C
iBoot version: iBoot-7429.61.2
secure boot?: YES
x86 EFI Boot State: 0x16
x86 System State: 0x0
x86 Power State: 0x0
x86 Shutdown Cause: 0x5
x86 Previous Power Transitions: 0x10001000100
PCIeUp link state: 0x89473614
Paniclog version: 13
Kernel slide: 0x0000000013d24000
Kernel text base: 0xfffffff01ad28000
mach_absolute_time: 0x6ac84d5eb0b
Epoch Time: sec usec
Boot : 0x61e15ed3 0x000865c5
Sleep : 0x61fd6e14 0x000c2e66
Wake : 0x61fd7d48 0x000cdeaa
Calendar: 0x61fd7d51 0x000ade6c
Zone info:
Foreign : 0xfffffff07a1b4000 - 0xfffffff07a1c4000
Native : 0xffffffe000508000 - 0xffffffe600508000
Readonly : 0xffffffe0e6b6c000 - 0xffffffe133830000
Metadata : 0xffffffeb00a18000 - 0xffffffeb04c00000
Bitmaps : 0xffffffeb02218000 - 0xffffffeb02474000
CORE 0: PC=0xfffffff01c3f70b8, LR=0xfffffff01bace5ac, FP=0xffffffeb04bcaec0
CORE 1 is the one that panicked. Check the full backtrace for details.
Panicked task 0xffffffe219ce4000: 1073 pages, 22 threads: pid 46: bridgeaudiod
Panicked thread: 0xffffffe4cd0e30c8, backtrace: 0xffffffeb04033060, tid: 211325
lr: 0xfffffff01b51b6b4 fp: 0xffffffeb040330a0
lr: 0xfffffff01b51b444 fp: 0xffffffeb04033110
lr: 0xfffffff01b656d98 fp: 0xffffffeb04033190
lr: 0xfffffff01b655f60 fp: 0xffffffeb04033240
lr: 0xfffffff01bb855fc fp: 0xffffffeb04033250
lr: 0xfffffff01b51b158 fp: 0xffffffeb040335e0
lr: 0xfffffff01b51b158 fp: 0xffffffeb04033640
lr: 0xfffffff01c67b42c fp: 0xffffffeb04033660
lr: 0xfffffff01bfd18c4 fp: 0xffffffeb04033690
lr: 0xfffffff01bfcf2a8 fp: 0xffffffeb04033700
lr: 0xfffffff01bff5b6c fp: 0xffffffeb04033720
lr: 0xfffffff01bec2514 fp: 0xffffffeb04033730
lr: 0xfffffff01baff584 fp: 0xffffffeb04033790
lr: 0xfffffff01bace5ac fp: 0xffffffeb04033800
lr: 0xfffffff01bec2d38 fp: 0xffffffeb04033880
lr: 0xfffffff01bb091ec fp: 0xffffffeb04033a20
lr: 0xfffffff01b61e09c fp: 0xffffffeb04033b40
lr: 0xfffffff01b52172c fp: 0xffffffeb04033bd0
lr: 0xfffffff01b4f6cd8 fp: 0xffffffeb04033d00
lr: 0xfffffff01b50de70 fp: 0xffffffeb04033d90
lr: 0xfffffff01b64b678 fp: 0xffffffeb04033e60
lr: 0xfffffff01b656328 fp: 0xffffffeb04033f10
lr: 0xfffffff01bb855fc fp: 0xffffffeb04033f20
MacBook Pro 13″, macOS 11.6