On Mon, 2020-12-28 at 12:41 -0800, Guenter Roeck wrote:
> On 12/28/20 1:50 AM, Pavel Machek wrote:
> > Hi!
> > 
> > > > > > > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.3-rc1.gz
> > > > > > > > or in the git tree and branch at:
> > > > > > > >         git://git.kernel.org/pub/scm/linux/kernel/git/s
> > > > > > > > table/
> > > > > > > > linu
> > > > > > > > x-
> > > > > > > > stable-rc.git linux-5.10.y
> > > > > > > > and the diffstat can be found below.
> > > > > > > > 
> > > > > > > > thanks,
> > > > > > > > 
> > > > > > > > greg k-h
> > > > > > > 
> > > > > > > hello ,
> > > > > > > Compiled and booted 5.10.3-rc1+.
> > > > > > > 
> > > > > > > dmesg -l err gives...
> > > > > > > --------------x-------------x------------------->
> > > > > > >    43.190922] Bluetooth: hci0: don't support firmware
> > > > > > > rome
> > > > > > > 0x31010100
> > > > > > > --------------x---------------x----------------->
> > > > > > > 
> > > > > > > My Bluetooth is Off.
> > > > > > 
> > > > > > Is this a new warning?  Does it show up on 5.10.2?
> > > > > > 
> > > > > > > Tested-by: Jeffrin Jose T <jeffrin@rajagiritech.edu.in>
> > > > > > 
> > > > > > thanks for testing?
> > > > > > 
> > > > > > greg k-h
> > > > > 
> > > > > this does not show up in 5.10.2-rc1+
> > > > 
> > > > Odd.  Can you run 'git bisect' to find the offending commit?
> > > > 
> > > > Does this same error message show up in Linus's git tree?
> > 
> > > i will try to do "git bisect" .  i saw this error in linus's 
> > > tree.
> > 
> > The bug is in -stable, too, so it is probably easiest to do bisect
> > on
> > -stable tree. IIRC there's less then few hundred commits, so it
> > should
> > be feasible to do bisection by hand if you are not familiar with
> > git
> > bisect.
> > 
> 
> My wild guess would be commit b260e4a68853 ("Bluetooth: Fix slab-out-
> of-bounds
> read in hci_le_direct_adv_report_evt()"), but I don't see what might
> be wrong
> with it unless some BT device sends a bad report which used to be
> accepted
> but is now silently ignored.
> 
> Guenter
> 
hello,

Did  "git bisect" in  a typically ok fashion and found that 5.9.0 is
working for bluetooth related. But 5.10.0-rc1  related is not working.

some related information in bisect.txt  attached.

-- 
software engineer
rajagiri school of engineering and technology - autonomous