From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Viresh Kumar <viresh.kumar@linaro.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
Rajendra Nayak <rnayak@codeaurora.org>,
open list <linux-kernel@vger.kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
linux-mmc <linux-mmc@vger.kernel.org>,
lkft-triage@lists.linaro.org,
John Stultz <john.stultz@linaro.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Lars Povlsen <lars.povlsen@microchip.com>,
madhuparnabhowmik10@gmail.com,
Anders Roxell <anders.roxell@linaro.org>
Subject: Re: Kernel panic : Unable to handle kernel paging request at virtual address - dead address between user and kernel address ranges
Date: Fri, 28 Aug 2020 14:52:37 +0530 [thread overview]
Message-ID: <CA+G9fYvSEHua0EpW64rASucWuS-U2STAZxufrfN75UDspGt2cA@mail.gmail.com> (raw)
In-Reply-To: <CA+G9fYv=XLtsuD=tVR1HHotwpKLkbwZVyPr4UhY-jD+6-duTmw@mail.gmail.com>
On Thu, 27 Aug 2020 at 17:06, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> On Thu, 27 Aug 2020 at 15:42, Viresh Kumar <viresh.kumar@linaro.org> wrote:
> >
> > On 27-08-20, 11:48, Arnd Bergmann wrote:
> > > > > [ 3.680477] dev_pm_opp_put_clkname+0x30/0x58
> > > > > [ 3.683431] sdhci_msm_probe+0x284/0x9a0
> > >
> > > dev_pm_opp_put_clkname() is part of the error handling in the
> > > probe function, so I would deduct there are two problems:
> > >
> > > - something failed during the probe and the driver is trying
> > > to unwind
> > > - the error handling it self is buggy and tries to undo something
> > > again that has already been undone.
> >
> > Right.
> >
> > > This points to Viresh's
> > > d05a7238fe1c mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table()
> >
> > I completely forgot that Ulf already pushed this patch and I was
> > wondering on which of the OPP core changes I wrote have done this :(
> >
> > > Most likely this is not the entire problem but it uncovered a preexisting
> > > bug.
> >
> > I think this is.
> >
> > Naresh: Can you please test with this diff ?
>
> I have applied your patch and tested but still see the reported problem.
The git bisect shows that the first bad commit is,
d05a7238fe1c mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table()
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Reported-by: Anders Roxell <anders.roxell@linaro.org>
>
> - Naresh
next prev parent reply other threads:[~2020-08-28 9:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 8:32 Kernel panic : Unable to handle kernel paging request at virtual address - dead address between user and kernel address ranges Naresh Kamboju
2020-08-27 9:08 ` Viresh Kumar
2020-08-27 9:48 ` Arnd Bergmann
2020-08-27 10:12 ` Viresh Kumar
2020-08-27 11:36 ` Naresh Kamboju
2020-08-28 9:22 ` Naresh Kamboju [this message]
2020-08-28 9:34 ` Ulf Hansson
2020-08-28 10:08 ` Naresh Kamboju
2020-08-28 10:29 ` Anders Roxell
2020-08-28 12:23 ` Ulf Hansson
2020-08-31 4:46 ` Viresh Kumar
2020-08-27 9:12 ` Naresh Kamboju
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CA+G9fYvSEHua0EpW64rASucWuS-U2STAZxufrfN75UDspGt2cA@mail.gmail.com \
--to=naresh.kamboju@linaro.org \
--cc=anders.roxell@linaro.org \
--cc=arnd@arndb.de \
--cc=daniel.lezcano@linaro.org \
--cc=john.stultz@linaro.org \
--cc=lars.povlsen@microchip.com \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=lkft-triage@lists.linaro.org \
--cc=madhuparnabhowmik10@gmail.com \
--cc=mturquette@baylibre.com \
--cc=rnayak@codeaurora.org \
--cc=sboyd@kernel.org \
--cc=sfr@canb.auug.org.au \
--cc=ulf.hansson@linaro.org \
--cc=viresh.kumar@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).