________________________________ Von: Aleksander Morgado <aleksan...@aleksander.es> Gesendet: Montag, 16. Dezember 2019 09:59 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
> No idea what else to do to solve this I'm afraid... :/ Maybe we could > extend the logic and add some automatic recovery mechanism to reset > the modem using the secondary port if we end up seeing that the > primary port is stuck like that? That wouldn't be ideal, but I assume > it's better to have one modem reset than having MM flag the modem as > failed. I am afraid I cannot give a suggestion here. I am just an MM user. Could you offer some advice for me how to work around the issue? We are dealing with a fleet of edge devices with a GSM only connection. So it is crucial for them to recover after such an issue. I could implement a watchdog service that detects the issue and resolves it. The question is how to detect and how to resolve. Without any further knowledge I could: 1. Detect the issue by frequently executing mmcli -L to see if the modem has disappeared 2. Resolve it by restarting the ModemManager service. Does that sound reasonable? If there is a more elegant way to do it please let me know. Thanks Bruno
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