[37429.221028] nvme nvme1: failed to set APST feature (-19) >sudo /bin/fwupdate -l system-firmware type, {01453b71-da0c-4832-9f4f-e378245339c7} version 65566 can be updated to any version above 4294967295 device-firmware type, {3b7f92a6-36d0-49ae-a2d1-272f9a067274} ve...
[ 36.028678] nvme nvme0: failed to set APST feature (-19) ... It seems that you are using a pcie switch , right? So: 1. if using pcie switch and it has 3 ports, switch core power with 1.0V should be 1.0A at least 2. add "pci=nomsi" to linux command line, which is for...
nvme_core.default_ps_max_latency_us=5500disabled the lowest state, according to the arch wiki, whilenvme_core.default_ps_max_latency_us=0disables APST entirely. I'm curious if anyone here is strongly opinionated on choosing one over the other? I disabled it entirely, which I wouldn't thi...
但现如今，随着超快固态硬盘 (SSD) 和高速非易失性内存 (Non-Volatile Memory Express, NVMe) 的问世...
Interestingely nvme-cli on linux shows that APST is working for this device. I'm so confused since everything worked fine until I disconnected all power sources. Help is highly appreciated.
const char *nvme_feature_to_string(enum nvme_features_id feature) { switch (feature) { case NVME_FEAT_FID_ARBITRATION: return "Arbitration"; case NVME_FEAT_FID_POWER_MGMT: return "Power Management"; case NVME_FEAT_FID_LBA_RANGE: return "LBA Range Type"; ...
prev_apst_enabled; //读取版本号 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_VS, &ctrl->vs); if (ret) { dev_err(ctrl->device, "Reading VS failed (%d)\n", ret); return ret; } //获取cap寄存器的值 ret = ctrl->ops
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case NVME_PEL_SET_FEATURE_EVENT: return "Set Feature Event(0xb)"; case NVME_PEL_TELEMETRY_CRT: return "Set Telemetry CRT Event(0xc)"; case NVME_PEL_THERMAL_EXCURSION_EVENT: return "Thermal Excursion Event(0xd)"; default: return NULL; ...
APST is short for Autonomous Power State Transition, a feature found in many modern SSDs. It allows the SSD to significantly reduce the power consumption when it detects the device has been idle for some time. Apple NVM driver, IONVMeFamily, does support third-party SSDs, but only uses ...