ricardgb commented on issue #19435:
URL: https://github.com/apache/nuttx/issues/19435#issuecomment-4984670255
Follow-up with the captured macOS success log (same host, retest of the
previous comment's confirmation):
```
20:46:24.778 AppleUSB20HubPort@01130000: enumerated 0x0000/0000/1010
(Composite device / 4) at 12 Mbps
20:46:25.903 AppleUSBIORequest::complete: device 4 endpoint 0x87: status
0xe0005000 (pipe stalled): 0 bytes transferred
20:46:25.904 AppleUSBIORequest::complete: device 4 endpoint 0x87: status
0xe0005000 (pipe stalled): 0 bytes transferred
20:46:25.905 AppleUSBIORequest::complete: device 4 endpoint 0x87: status
0xe0005000 (pipe stalled): 0 bytes transferred
```
Those three bulk-IN stalls are the expected, BOT-legal halts for the failed
MODE SENSE
page-0 probes — and this time recovery just works: GET STATUS answered, halt
cleared,
failed CSW delivered, probe continues. The entire kernel log for the plug-in
is 23 lines:
**no EP0 timeouts, no `fConsecutiveResetCount`, no device resets, no port
disable.**
(For contrast, the failure logs earlier in this thread ran to hundreds of
lines of reset
spirals ending in "persistent enumeration failures".)
```
/dev/disk4 (external, physical):
0: PROVISION *32.8 KB disk4
```
Drive mounted. Closing the loop on the macOS side of this issue.
Disclosure: as above — investigation and fixes by an AI agent (Claude Code),
operated,
directed, and reviewed by the submitter.
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