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Date: Mon, 25 Jan 2016 10:10:28 +0530
From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: Sudip Mukherjee <sudip@vectorindia.org>, Mark Brown <broonie@kernel.org>,
        lkp@01.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic:
 systemd-udevd/134/0x00000002
Message-ID: <20160125044028.GB4137@sudip-pc>
References: <87bn8h5bbe.fsf@yhuang-dev.intel.com>
 <20160120044247.GA3238@sudip-pc>
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 <20160121053310.GA4782@sudip-pc>
 <87oacfqyap.fsf@yhuang-dev.intel.com>
 <20160121060652.GA5697@sudip-pc>
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On Mon, Jan 25, 2016 at 10:15:27AM +0800, Huang, Ying wrote:
> Sudip Mukherjee <sudipm.mukherjee@gmail.com> writes:
> 
> > Hi Huang, Ying,
> > On Thu, Jan 21, 2016 at 11:36:52AM +0530, Sudip Mukherjee wrote:
> >> On Thu, Jan 21, 2016 at 01:47:10PM +0800, Huang, Ying wrote:
> >> > Sudip Mukherjee <sudipm.mukherjee@gmail.com> writes:
> >> > 
> >> > > On Wed, Jan 20, 2016 at 01:00:40PM +0800, Huang, Ying wrote:
> >> > >> Sudip Mukherjee <sudipm.mukherjee@gmail.com> writes:
> >> > >> 
> >> > >> > On Wed, Jan 20, 2016 at 08:44:37AM +0800, kernel test robot wrote:
> >> <snip>
> >> > >
> >> > > I am not able to reproduce this. Tested just with the kernel and
> >> > > yocto-minimal-i386.cgz filesystem and it booted properly.
> >> > >
> >> > > I guess I need atleast your job file to reproduce this.
> >> > 
> >> > This is a boot test so I did not attached the job file.  But the test
> >> > result may depends on specific root file system.  For example, the
> >> > process when BUG report is always systemd-udevd.  Maybe you need a
> >> > systemd based root file system.
> >> 
> >> So silly of me. Since you said 2baed30cb3, so i kept looking at that
> >> patch.
> >> Can you please test again after reverting:
> >> ebd43516d387 ("Staging: panel: usleep_range is preferred over udelay")
> >> 
> >> If it solves the problem then I will submit a formal patch.
> >
> > Did you get a chance to test it?
> 
> Sorry for late, as the new report just sent.  Reverting the specified
> commit can solve the issue.

Thanks for the confirmation. But I am still wondering how commit
2baed30cb3 can bring out some issues with ebd43516d387 ? AFAICS they are
totally unrelated.

regards
sudip

From mboxrd@z Thu Jan  1 00:00:00 1970
Content-Type: multipart/mixed; boundary="===============8179004190211809870=="
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From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: lkp@lists.01.org
Subject: Re: [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002
Date: Mon, 25 Jan 2016 10:10:28 +0530
Message-ID: <20160125044028.GB4137@sudip-pc>
In-Reply-To: <87twm2be0w.fsf@yhuang-dev.intel.com>
List-Id: <oe-lkp.lists.linux.dev>

--===============8179004190211809870==
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On Mon, Jan 25, 2016 at 10:15:27AM +0800, Huang, Ying wrote:
> Sudip Mukherjee <sudipm.mukherjee@gmail.com> writes:
> =

> > Hi Huang, Ying,
> > On Thu, Jan 21, 2016 at 11:36:52AM +0530, Sudip Mukherjee wrote:
> >> On Thu, Jan 21, 2016 at 01:47:10PM +0800, Huang, Ying wrote:
> >> > Sudip Mukherjee <sudipm.mukherjee@gmail.com> writes:
> >> > =

> >> > > On Wed, Jan 20, 2016 at 01:00:40PM +0800, Huang, Ying wrote:
> >> > >> Sudip Mukherjee <sudipm.mukherjee@gmail.com> writes:
> >> > >> =

> >> > >> > On Wed, Jan 20, 2016 at 08:44:37AM +0800, kernel test robot wro=
te:
> >> <snip>
> >> > >
> >> > > I am not able to reproduce this. Tested just with the kernel and
> >> > > yocto-minimal-i386.cgz filesystem and it booted properly.
> >> > >
> >> > > I guess I need atleast your job file to reproduce this.
> >> > =

> >> > This is a boot test so I did not attached the job file.  But the test
> >> > result may depends on specific root file system.  For example, the
> >> > process when BUG report is always systemd-udevd.  Maybe you need a
> >> > systemd based root file system.
> >> =

> >> So silly of me. Since you said 2baed30cb3, so i kept looking at that
> >> patch.
> >> Can you please test again after reverting:
> >> ebd43516d387 ("Staging: panel: usleep_range is preferred over udelay")
> >> =

> >> If it solves the problem then I will submit a formal patch.
> >
> > Did you get a chance to test it?
> =

> Sorry for late, as the new report just sent.  Reverting the specified
> commit can solve the issue.

Thanks for the confirmation. But I am still wondering how commit
2baed30cb3 can bring out some issues with ebd43516d387 ? AFAICS they are
totally unrelated.

regards
sudip

--===============8179004190211809870==--