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From: "Huang\, Ying" <ying.huang@intel.com>
To: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: "Huang\, Ying" <ying.huang@intel.com>,
        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
References: <87bn8h5bbe.fsf@yhuang-dev.intel.com>
	<20160120044247.GA3238@sudip-pc> <87a8o0yhdz.fsf@yhuang-dev.intel.com>
	<20160121053310.GA4782@sudip-pc> <87oacfqyap.fsf@yhuang-dev.intel.com>
	<20160121060652.GA5697@sudip-pc> <20160123063947.GA26921@sudip-pc>
Date: Mon, 25 Jan 2016 10:15:27 +0800
In-Reply-To: <20160123063947.GA26921@sudip-pc> (Sudip Mukherjee's message of
	"Sat, 23 Jan 2016 12:09:47 +0530")
Message-ID: <87twm2be0w.fsf@yhuang-dev.intel.com>
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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.

Best Regards,
Huang, Ying

From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Huang, Ying <ying.huang@intel.com>
To: lkp@lists.01.org
Subject: Re: [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002
Date: Mon, 25 Jan 2016 10:15:27 +0800
Message-ID: <87twm2be0w.fsf@yhuang-dev.intel.com>
In-Reply-To: <20160123063947.GA26921@sudip-pc>
List-Id: <oe-lkp.lists.linux.dev>

--===============8083215098411008632==
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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.

Best Regards,
Huang, Ying


--===============8083215098411008632==--