Re: btqca: crash with linux-next on bt power down

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On Mon, Jul 29, 2024 at 1:56 PM Luiz Augusto von Dentz
<luiz.dentz@xxxxxxxxx> wrote:
>
> Hi Dmitry,
>
> On Mon, Jul 29, 2024 at 12:01 PM Dmitry Baryshkov
> <dmitry.baryshkov@xxxxxxxxxx> wrote:
> >
> > #regzbot: introduced:
> > 973dd9c4db4746200f88fe46e30eada7054fdbea..84f9288208dfcd955446060a53add15b9e01af4e
> >
> > On Mon, 29 Jul 2024 at 13:21, Paul Menzel <pmenzel@xxxxxxxxxxxxx> wrote:
> > > Am 29.07.24 um 04:11 schrieb Dmitry Baryshkov:
> > >
> > > > On Qualcomm Dragonboard 820c (APQ8096, QCA6174) soon after the boot I
> > > > observe the following crash:
> > > >
> > > > Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018
> > > > Mem abort info:
> > > >    ESR = 0x0000000096000006
> > > >    EC = 0x25: DABT (current EL), IL = 32 bits
> > > >    SET = 0, FnV = 0
> > > >    EA = 0, S1PTW = 0
> > > >    FSC = 0x06: level 2 translation fault
> > > > Data abort info:
> > > >    ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000
> > > >    CM = 0, WnR = 0, TnD = 0, TagAccess = 0
> > > >    GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
> > > > user pgtable: 4k pages, 48-bit VAs, pgdp=000000010da63000
> > > > [0000000000000018] pgd=080000010da62003, p4d=080000010da62003, pud=080000010da61003, pmd=0000000000000000
> > > > Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
> > > > Modules linked in: hci_uart btqca
> > > > CPU: 2 UID: 0 PID: 66 Comm: kworker/u19:0 Not tainted 6.10.0-next-20240726-13923-gd3ce7ebd61f9-dirty #2722
> > >
> > > I am unable to find the commit. Your tree also seems dirty. What is the
> > > last working commit?
> >
> > Checked the commit range on the linux-bluetooth branch, hope this helps.
>
> Im currently traveling so it would take some time for me to
> investigate this but I suspect it could be some of the changes
> introduced by Bartosz with power sequence, @Bartosz Golaszewski
> perhaps you can help?
>

Hi!

I just came back from last week's vacation to a bunch of different
regressions. I will get to it but it may be later this week.

Bart





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