Re: [PATCH] Bluetooth: qca: If memdump doesn't work, re-enable IBS

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Hi,

On Mon, Jun 10, 2024 at 4:52 PM Doug Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> On Fri, May 17, 2024 at 5:03 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
> >
> > On systems in the field, we are seeing this sometimes in the kernel logs:
> >   Bluetooth: qca_controller_memdump() hci0: hci_devcd_init Return:-95
> >
> > This means that _something_ decided that it wanted to get a memdump
> > but then hci_devcd_init() returned -EOPNOTSUPP (AKA -95).
> >
> > The cleanup code in qca_controller_memdump() when we get back an error
> > from hci_devcd_init() undoes most things but forgets to clear
> > QCA_IBS_DISABLED. One side effect of this is that, during the next
> > suspend, qca_suspend() will always get a timeout.
> >
> > Let's fix it so that we clear the bit.
> >
> > Fixes: 06d3fdfcdf5c ("Bluetooth: hci_qca: Add qcom devcoredump support")
> > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> > ---
> > I'm nowhere near an expert on this code so please give extra eyes on
> > this patch. I also have no idea how to reproduce the problem nor even
> > how to trigger a memdump to test it. I'd love any advice that folks
> > could give. ;-)
> >
> >  drivers/bluetooth/hci_qca.c | 1 +
> >  1 file changed, 1 insertion(+)
>
> Totally fine if you just need more time, but I wanted to follow up and
> check to see if there is anything you need me to do to help move this
> patch forward. If not, I'll snooze this patch and check up on it again
> sometime around the end of July.

It being the end of July, I'm back to check up on this patch. I
checked mainline and bluetooth-next and I don't see any sign of this
patch. Is there anything blocking it? Do you need me to repost it or
take any other actions?

Thanks!

-Doug





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