Dashboard › Code › Distillation
Distillation
ID: 3ba1bd5f-d40f-46d3-ae96-e6994bb0d45d
Generation: 0
Tokens: 906
R_compression: 8.676
C_norm: 0.000
Archived: No
Created: 2026-06-14 17:21:59
Source IDs:
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Observations
<observations>
Date: Jun 14, 2026
- 🟡 (09:26) pl2303.c line 8 confirms: "Backported from Linux 6.1 to 4.19 for PL2303GL (TYPE_HXN) support"; changes listed: set_termios const removed, usb_control_msg_recv replaced with manual impl, tty_get_char_size replaced with inline helper, fallthrough replaced with fall-through comments
- 🟡 (09:26) pl2303_detect_type() (lines 450–515) switches on bcdUSB first: bcdUSB=0x200 + bcdDevice=0x305 → case 0x305 → TYPE_HXN (lines 494–497); bcdUSB=0x110 + bcdDevice=0x305 → default → TYPE_HX (line 482) — wrong path
- 🟡 (09:26) Device descriptor confirmed: bcdUSB=2.00 (0x200), bcdDevice=0x0305, bDeviceClass=0x00, bMaxPacketSize0=64 (0x40), speed=12 Mbps (full-speed), connected to Generic Platform OHCI controller (USB 1.10)
- 🟡 (09:26) Detection path for our chip: bMaxPacketSize0=0x40 passes line 461 check → bcdUSB=0x200 → case 0x200 → bcdDevice=0x305 → TYPE_HXN — detection IS correct in current source
- 🟡 (09:26) md5 of /home/byk/Code/pl2303-build/output/pl2303.ko = e18df099cc5ac63aed9dc4eb844815bc; md5 of /jffs/pl2303.ko = e18df099cc5ac63aed9dc4eb844815bc — identical, router runs the v6.1 backport
- 🟡 (09:26) pl2303-build/output/ contains: config (100970 bytes, Feb 17 21:05), pl2303.ko (22060 bytes, Feb 17 22:23)
- 🟡 (09:26) "unknown device type" string found via
strings on module binary — it is a compiled-in error message, NOT a runtime error; current dmesg shows no "unknown device type" at runtime
- 🟡 (09:27) dmesg ring buffer (numbered): lines 1–4 = Unknown symbol errors (failed insmod attempt); line 7 = usbcore: registered new interface driver pl2303; line 8 = usbserial: USB Serial support registered for pl2303; lines 9–10 = pl2303 converter detected + attached to ttyUSB0; lines 1384–1387 = disconnect + reconnect cycle (unbind/rebind test); uptime=1690567.88
- 🟡 (09:27) Router has no perl, no python, no od; current baud reported as 12 (raw device read)
- 🟡 (09:28) pl2303_device struct (lines 1269–1297): .set_termios = pl2303_set_termios (line 1285), .tiocmiwait = usb_serial_generic_tiocmiwait (line 1288), .probe = pl2303_probe (line 1291), .attach = pl2303_startup (line 1293); module_usb_serial_driver(serial_drivers, id_table) at line 1303
- 🟡 (09:28) avrtest.c written to /home/byk/Code/pl2303-build/avrtest.c (2359 bytes); cross-compiled as static ARM binary using Docker ubuntu:22.04; build result: BUILD_OK
- 🟡 (09:29) Docker mount issue: /tmp/opencode/avrtest.c not visible inside container (namespace mismatch); resolved by writing source to /home/byk/Code/pl2303-build/ and mounting that directory
- 🟡 (09:29) SCP transfer to router failed: "sh: /opt/libexec/sftp-server: not found"; base64 not available on router; transfer