> Could you test with the following patch to see if the stability improves
I have asked the devs at balena.io to integrate the patch into their os image and re-tested without success. The image they sent still uses mm version 1.10.6 so I asked for another confirmation that they really backported the patch. I also forwarded your suggestion to upgrade. I will let you know about the outcome. Meanwhile I will capture another debug log. Thanks a lot Bruno Holen Sie sich Outlook für iOS<https://aka.ms/o0ukef> ________________________________ Von: Aleksander Morgado <aleksan...@aleksander.es> Gesendet: Wednesday, December 11, 2019 4:05:14 PM An: Bruno Vetter <bruno.vet...@outlook.com> Cc: modemmanager-devel@lists.freedesktop.org <modemmanager-devel@lists.freedesktop.org> Betreff: Re: Huawei ME909s-120 modem goes offline and disappears > At this point the disconnection logic has finished, but the CGACT? > that got in the middle never gets a reply. After this, all commands we > attempt to send to ttyUSB1 end up timing out, and after 10 consecutive > timeouts, MM removes the modem from its logic because it cannot use > the primary control port. > > Now, in this specific case, given that the connection status command > is triggered *during* the disconnection process, I believe this could > be caused by MM. > I believe that we could either remove those connection checks also if > bearer state goes to "disconnecting", or otherwise keep them removed > only when "disconnected" but make sure they are a no-op while > disconnecting. I think the latter would be a bit safer, as we wouldn't > need to care for when the disconnection procedure fails. > > Let me prepare a patch to see if we can avoid this. > Could you test with the following patch to see if the stability improves? https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fmobile-broadband%2FModemManager%2Fmerge_requests%2F229&data=02%7C01%7C%7C127fb31fa9984e9c16ec08d77e4b8db3%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637116735271253917&sdata=EplrI1%2BktelTy2WRVaMmFfLAIXcGGiuCb1XvoPLP9sQ%3D&reserved=0 -- Aleksander https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Faleksander.es&data=02%7C01%7C%7C127fb31fa9984e9c16ec08d77e4b8db3%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637116735271253917&sdata=jed6PR5I8t5qdRIG88LOz6ox9rBZYhsK8yEafrBwmRY%3D&reserved=0
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