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Change-Id: I71e676b997159a141ca07d16f82a73b45f4b2410
45 lines
2.7 KiB
Markdown
45 lines
2.7 KiB
Markdown
# 附耳配对失败 cause Numeric Comparison Failed 0x050C
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原因是gfps_handle_char_additional_passkey 解密 additional passkey 失败了
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<table class="confluenceTable">
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<th class="confluenceTh" scope="col"> 0008066 12-30#14:08:38.005 199 0598425.808 [BTIFMSG]↗BTIF_MSG_GATT_ATTR_WRITE_REQ_IND(CMD:0x010A) link_id:0x0012 cid:0x0004 p_srv_handle:0x004204C8 attr_index:0x0011 attr_len:0x0010 handle:0x0000 write_offset:0x0000 gap:0x09 data:0x17 <br />
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0008067 12-30#14:08:38.005 200 0598426.097 [PATCH] patch_hw_aes_operate_imp: error code: 0x0<br />
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0008068 12-30#14:08:38.005 201 0598426.132 [APP] !!!gfps_handle_char_additional_passkey: message type error 240<br />
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0008069 12-30#14:08:38.005 202 0598426.162 [APP] !**gfps_attr_write_cb: pending, attr_index 17, cause 0xd04<br />
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0008070 12-30#14:08:38.005 203 0598426.187 [BTIFMSG]↙BTIF_MSG_GATT_ATTR_WRITE_REQ_CFM(CMD:0x010B) link_id:0x0012 cid:0x0004 p_srv_handle:0x004204C8 cause:0x0D04 attr_index:0x0011</th>
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gfps_handle_char_additional_passkey 解密：
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怀疑 gfps→aes_key 被改了
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<table class="confluenceTable">
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<th class="confluenceTh" scope="col"><p>//这边有一次异常断线，异常断线之后 我们有reset aes_key </p>
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<p>0004136 12-30#14:08:28.521 142 0588963.226 [APP] app_gfps_le_disconnect_cb: conn_id 0, local_disc_cause 0, disc_cause 0x108<br />
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0004137 12-30#14:08:28.521 143 0588963.260 [APP] !!!app_gfps_le_disconnect_cb: plink connid 0, gfps link connid 0, gfps curr conn_id 0<br />
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0004138 12-30#14:08:28.521 144 0588963.324 [APP] !**gfps_reset_aeskey_and_pairing_status: aes_key 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00</p></th>
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因为Google spec 是说 <span style="color: rgb(23,43,77);"> shall discard aes key and pairing mode if this LE link disconnects，所以优先要请 lowerstack 帮忙查看disc_cause 0x108</span>
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<span style="color: rgb(23,43,77);">目前的workaround 是：不清楚会不会引入新的问题：</span>
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<span style="color: rgb(23,43,77);"></span>
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<span style="color: rgb(23,43,77);"><a href="https://jira.realtek.com/browse/BBPRO3BUG-27030" class="external-link" rel="nofollow">[BBPRO3BUG-27030] [BBPRO3][EVB][E Cut][PEGA_HA_v1.0.4_20251106][24110 testbin][GFPS][FastPair][LEA phone]Auto Subsequent Pairing... 测试fail（fail reason：creatbond failed，multiple components） - Jira</a></span>
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