On 7/27/21 9:50 AM, pgndev wrote:

    embedded. checking...


    iiuc, it's got an i2c.  possible a uart is on Irq4 thru the i2c?


    if so, might wanna take a look here:


    https://bugzilla.kernel.org/show_bug.cgi?id=213031
    <https://urldefense.proofpoint.com/v2/url?u=https-3A__bugzilla.kernel.org_show-5Fbug.cgi-3Fid-3D213031&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=HYKqseB9xg-u2kz3egvegqfgyXnEBhQotXfR3iCfdgM&m=gCRilkIAaKYuJwLWOT7O5ttfWG5rta0-6eYjPBdnTz4&s=VSfJDrJPSqVtQuCoCZGazYrmnWTe6xldTkWT_Bq7vwo&e=>



    maybe related?  at least shares symptoms...


    ACPI subsystem lead sez in offlist thread re: that


    "It looks like commit 96b15a0b45182f1c3da5a861196da27000da2e3c needs to

    be reverted." 

I don't see that commit in linus tree nor my stable tree, can you check that hash and also show me the commit message and other info so I can track it down?

Thanks, Ben