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[BUG] dma_request_channel() failed with stop/start test
Low repro-rate < 5% with stop start test on LNL only atm. Seen on unrelated PR https://github.com/thesofproject/sof/pull/9551
https://sof-ci.01.org/sofpr/PR9551/build8720/devicetest/index.html?model=LNLM_RVP_NOCODEC&testcase=check-signal-stop-start-playback-10
Reference counting issues ?
[ 667.113728] <inf> pipe: pipeline_connect: comp:3 0x10003 connect buffer 0 as sink
[ 667.113731] <inf> pipe: pipeline_connect: comp:3 0x30006 connect buffer 0 as source
[ 667.114208] <inf> ipc: ipc_cmd: rx : 0x45030006|0x30004
[ 667.114258] <inf> ipc: buffer_new: buffer new size 0x300 id 3.0 flags 0x0
[ 667.114270] <inf> pipe: pipeline_connect: comp:3 0x30006 connect buffer 0 as sink
[ 667.114273] <inf> pipe: pipeline_connect: comp:3 0x30004 connect buffer 0 as source
[ 667.114725] <inf> ipc: ipc_cmd: rx : 0x13030003|0x0
[ 667.115293] <inf> ipc: ipc_cmd: rx : 0x13030004|0x0
[ 667.115411] <inf> dai_intel_ssp: dai_ssp_get_properties: SSP32: fifo 172304, handshake 3, init delay 0
[ 667.115416] <inf> dai_intel_ssp: dai_ssp_get_properties: SSP32: fifo 172304, handshake 3, init delay 0
[ 667.115433] <inf> copier: copier_prepare: comp:3 0x30004 copier_prepare()
[ 667.115441] <err> dai_comp: dai_common_config_prepare: comp:3 0x30004 dma_request_channel() failed
[ 667.115455] <err> module_adapter: module_prepare: comp:3 0x30004 module_prepare() error -5: module specific prepare failed, comp_id 196612
[ 667.115460] <err> module_adapter: module_adapter_prepare: comp:3 0x30004 module_adapter_prepare() error fffffffb: module prepare failed
[ 667.115465] <err> pipe: pipeline_prepare: pipe:3 0x0 pipeline_prepare(): ret = -5, dev->comp.id = 0x10003
[ 667.115468] <err> ipc: ipc4_pcm_params: ipc: pipe 3 comp 0 prepare failed -5
[ 667.115518] <inf> component: comp_set_state: comp:3 0x30004 comp_set_state(), state already set to 2