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    SubjectRe: [PATCH 5.8 000/177] 5.8.10-rc1 review
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    On 9/17/20 8:46 AM, Greg Kroah-Hartman wrote:
    > On Thu, Sep 17, 2020 at 08:34:58AM -0600, Shuah Khan wrote:
    >> On 9/16/20 11:25 AM, Greg Kroah-Hartman wrote:
    >>> On Wed, Sep 16, 2020 at 09:34:52AM -0600, Shuah Khan wrote:
    >>>> On 9/16/20 9:26 AM, Greg Kroah-Hartman wrote:
    >>>>> On Wed, Sep 16, 2020 at 08:26:48AM -0600, Shuah Khan wrote:
    >>>>>> On 9/16/20 12:29 AM, Greg Kroah-Hartman wrote:
    >>>>>>> On Tue, Sep 15, 2020 at 08:54:24PM -0600, Shuah Khan wrote:
    >>>>>>>> On 9/15/20 3:06 PM, Shuah Khan wrote:
    >>>>>>>>> On 9/15/20 8:11 AM, Greg Kroah-Hartman wrote:
    >>>>>>>>>> This is the start of the stable review cycle for the 5.8.10 release.
    >>>>>>>>>> There are 177 patches in this series, all will be posted as a response
    >>>>>>>>>> to this one.  If anyone has any issues with these being applied, please
    >>>>>>>>>> let me know.
    >>>>>>>>>>
    >>>>>>>>>> Responses should be made by Thu, 17 Sep 2020 14:06:12 +0000.
    >>>>>>>>>> Anything received after that time might be too late.
    >>>>>>>>>>
    >>>>>>>>>> The whole patch series can be found in one patch at:
    >>>>>>>>>>     https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.8.10-rc1.gz
    >>>>>>>>>>
    >>>>>>>>>> or in the git tree and branch at:
    >>>>>>>>>>     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
    >>>>>>>>>> linux-5.8.y
    >>>>>>>>>> and the diffstat can be found below.
    >>>>>>>>>>
    >>>>>>>>>> thanks,
    >>>>>>>>>>
    >>>>>>>>>> greg k-h
    >>>>>>>>>>
    >>>>>>>>>
    >>>>>>>>> Compiled and booted fine. wifi died:
    >>>>>>>>>
    >>>>>>>>> ath10k_pci 0000:02:00.0: could not init core (-110)
    >>>>>>>>> ath10k_pci 0000:02:00.0: could not probe fw (-110)
    >>>>>>>>>
    >>>>>>>>> This is regression from 5.8.9 and 5.9-rc5 works just fine.
    >>>>>>>>>
    >>>>>>>>> I will try to bisect later this evening to see if I can isolate the
    >>>>>>>>> commit.
    >>>>>>>>>
    >>>>>>>>
    >>>>>>>> The following commit is what caused ath10k_pci driver problem
    >>>>>>>> that killed wifi.
    >>>>>>>>
    >>>>>>>> Prateek Sood <prsood@codeaurora.org>
    >>>>>>>> firmware_loader: fix memory leak for paged buffer
    >>>>>>>>
    >>>>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=linux-5.8.y&id=ec0a59266c9c9f46037efd3dcc0323973e102271
    >>>>>>>
    >>>>>>> Ugh, that's not good, is this also a problem in 5.9-rc5 as well? For
    >>>>>>> reference, this is commit 4965b8cd1bc1 ("firmware_loader: fix memory
    >>>>>>> leak for paged buffer") in Linus's tree.
    >>>>>>>
    >>>>>>
    >>>>>> I am not seeing this on Linux 5.9-rc5 for sure.
    >>>>>>
    >>>>>>> And it should be showing up in 5.4.y at the moment too, as this patch is
    >>>>>>> in that tree right now...
    >>>>>>>
    >>>>>>
    >>>>>> I don't see this patch in 4.19.146-rc1
    >>>>>
    >>>>> It's not there, it's in 5.4.66-rc1, which worked for you somehow, right?
    >>>>>
    >>>>>> Linus's tree works for with this patch in. I compared the two files
    >>>>>> for differences in commit between Linus's tree and 5.8.10-rc1
    >>>>>>
    >>>>>> Couldn't find anything obvious.
    >>>>>
    >>>>> Again, really odd...
    >>>>>
    >>>>> I don't have a problem dropping it, but I should drop it from both 5.4.y
    >>>>> and 5.8.y, right?
    >>>>>
    >>>>
    >>>> Sorry. Yes. Dropping from 5.8 and 5.4 would be great until we figure out
    >>>> why this patch causes problems.
    >>>>
    >>>> I will continue debugging and let you know what I find.
    >>>
    >>
    >> With this it boots and wifi is good for me. I am very puzzled by why
    >> this made a difference to make sure I am not narrowing in on the wrong
    >> patch.
    >>

    Update on this. I did a series of reboots and boots with the patch
    I asked you to drop and I am not seeing the wifi problem.

    Prateek Sood <prsood@codeaurora.org>
    firmware_loader: fix memory leak for paged buffer

    With my testing, I think it is an unrelated issue and the error
    messages from the fw load code path in the driver when wifi failed
    through me off.

    Sorry for making you drop the patch from 5.8.y and 5.4.y.
    Please include them in the next rc.

    thanks,
    -- Shuah


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