I've fixed an issue with invalid memory handling in Ericsson MBM devices, it's in the MM_06 branch and git master: http://cgit.freedesktop.org/ModemManager/ModemManager/commit/?h=MM_06&id=16520193f715453eac3c48eab3a648a0cadfb1b5
You may want to try the latest MM_06 branch to see if it really fixes your issues.
I couldn't really reproduce any more issues with my Ericsson MBM device here.
I've fixed an issue with invalid memory handling in Ericsson MBM devices, it's in the MM_06 branch and git master: cgit.freedeskto p.org/ModemMana ger/ModemManage r/commit/ ?h=MM_06& id=16520193f715 453eac3c48eab3a 648a0cadfb1b5
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You may want to try the latest MM_06 branch to see if it really fixes your issues.
I couldn't really reproduce any more issues with my Ericsson MBM device here.