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| LiXiaoming | Hello. I want to share a issue. | 05:06 |
|---|---|---|
| LiXiaoming | Env: Pi 4 & Halibut 8.0.3 | 05:06 |
| LiXiaoming | phenomenon：wifi can not detect any signals. disable/enable have no effect. | 05:08 |
| LiXiaoming | Reproduce method: I dont konw. I just left the board alone for the weekend. And I found that issue when I back to my corp. | 05:09 |
| LiXiaoming | log: Nov 12 02:22:29 raspberrypi4 dbus-daemon[248]: [system] The maximum number of pending replies for ":1.7" (uid=0 pid=283 comm="/usr/sbin/connmand -n " label="System") has been reached (max_replies_per_connection=128) | 05:12 |
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| RP | smurray: FWIW I'm also trying to find decent linux obd2 software and struggling :/ | 12:17 |
| RP | slightly complicated by my lead being serial, rather old school | 12:18 |
| smurray | RIP: if it’s hardware that uses slcand, that part shouldn’t be a problem, it looks the same to software | 12:45 |
| smurray | RIP: most off the shelf OBD2 diagnostic software is Windows based, based on my searches | 12:48 |
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| dl9pf | daniels: ping | 14:06 |
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| RP | smurray: not quite sure about your nickname completion :) | 14:59 |
| RP | smurray: there isn't any decent linux UI I was missing then? :( | 14:59 |
| RP | smurray: I managed to get what I needed but it does seem there is a big gap on Linux | 15:00 |
| gkiagia | haha, you have to admit your nickname is a trap | 15:01 |
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| smurray | RP: oops, that was after just waking up with my jetlag in San Francisco ;) | 16:16 |
| smurray | RP: the only thing with UI I've seen is the OBDTester that was mentioned a few days back. There's a Windows OBD2 program I've seen mention of people running under Wine, but I'd need to dig around again to see if I could find it | 16:17 |
| RP | smurray: as long as its not some kind of subliminal message :) | 16:17 |
| RP | smurray: thanks, will have to have a look around | 16:17 |
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| milloni | hi, whats the reason for https://git.automotivelinux.org/AGL/meta-agl/tree/meta-agl-profile-core/recipes-core/dbus/dbus_%25.bbappend | 18:28 |
| milloni | upstream openembedded installs dbus.service and dbus.socket anyway | 18:28 |
| dl9pf | milloni: | 18:56 |
| dl9pf | it deploys own files https://git.automotivelinux.org/AGL/meta-agl/tree/meta-agl-profile-core/recipes-core/dbus/dbus | 18:56 |
| milloni | yeah i know but why? git commit message doesn't say | 18:59 |
| AlisonChaiken | DBUS listening on a remotely accessible socket is how Miller and Valasek broke into the Jeep Cherokee. Caution advised therefore! | 19:21 |
| AlisonChaiken | I've read their 90-page report and communicated with them about it. | 19:22 |
| milloni | hm, in that case, i tink openembedded maintainers will accept a patch that changes it to listen on 127.0.0.1 | 19:30 |
| milloni | there's no reason why it should listen on a remotely accessible socket, automotive or not :/ | 19:30 |
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| mdp | AlisonChaiken: I agree that using a TCP socket opens attack surface (not going to speculate as to the supplier's thinking here as to why they needed it), but the real problem was using anonymous auth instead of external auth..which could use any number of well-know security methods. | 19:39 |
| mdp | it's just super nice to have an introspectable interface on your unauthenticated network interface though :) | 19:40 |
| AlisonChaiken | I suspect that the Tier 1 found the socket convenient for debug and never turned it off. I live in a glass house, but not bad! | 19:48 |
| milloni | this is very common | 19:48 |
| milloni | i'm still puzzled why it would listen on remote tcp by default, looking at dbus sources that's not the case | 19:49 |
| milloni | so stil don't know why agl has a custom dbus.socket file | 19:49 |
| AlisonChaiken | I would read what's in it myself and think carefully. | 19:50 |
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