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After receiving long texts, modemmanager is stuck

Hi,

I am running modemmanager 1.16.4 on postmarketos. I received a long text from my friend. If I ran mmcli --modem=0 --messaging-list-sms I had two messages in the list.

Running mmcli -m 0 -s 20 -K would give the following output:

sms.dbus-path                      : /org/freedesktop/ModemManager1/SMS/20
sms.content.number                 : <REDACTED>
sms.content.text                   : --
sms.content.data                   : --
sms.properties.pdu-type            : deliver
sms.properties.state               : receiving
sms.properties.validity            : --
sms.properties.storage             : me
sms.properties.smsc                : <REDACTED>
sms.properties.class               : --
sms.properties.teleservice-id      : --
sms.properties.service-category    : --
sms.properties.delivery-report     : --
sms.properties.message-reference   : --
sms.properties.timestamp           : 2021-05-21T04:19:43+00:00
sms.properties.delivery-state      : --
sms.properties.discharge-timestamp : --

Note: I did not redact the sms.content.text, it actually only contained --. After running mmcli --modem=0 --messaging-delete-sms=20 and also deleting all smses from that number, I was able to recieved new sms messages again.

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