Issues with all kernels after 3.3.7

Alan M Butler alanbutty12 at gmail.com
Fri Aug 17 16:20:32 EDT 2012


On 17 August 2012 21:08, Tomasz Figa <tomasz.figa at gmail.com> wrote:
> Hi Alan,
>
> On Friday 17 of August 2012 20:37:08 Alan M Butler wrote:
>> On 17 August 2012 19:12, Alan M Butler <alanbutty12 at gmail.com> wrote:
>> > From: Alan M Butler <alanbutty12 at gmail.com>
>> > Date: 17 August 2012 18:09
>> > Subject: Re: Issues with all kernels after 3.3.7
>> > To: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
>> >
>> >
>> > On 17 August 2012 17:46, Uwe Kleine-König
>> >
>> > <u.kleine-koenig at pengutronix.de> wrote:
>> >> Hello,
>> >>
>> >> On Fri, Aug 17, 2012 at 05:30:27PM +0000, Alan M Butler wrote:
>> >>> On 17 August 2012 14:01, Alan M Butler <alanbutty12 at gmail.com> wrote:
>> >>> > On 17 August 2012 13:26, Uwe Kleine-König
>> >>> >
>> >>> > <u.kleine-koenig at pengutronix.de> wrote:
>> >>> >> On Fri, Aug 17, 2012 at 01:47:06PM +0100, alan butler wrote:
>> >>> >>> I have been trying all kernels after 3.3.7 (except for the 3.5
>> >>> >>> series)
>> >>> >>> on my ix2-200
>> >>> >>> and have found that on every kernel 3.3.8, 3.4, 3.4.2, 3.4.4
>> >>> >>> =>3.4.7
>> >>> >>> and now even on 3.6 rc1
>> >>> >>> and the next dated today 17 august that when i use git for
>> >>> >>> example:
>> >>> >>>
>> >>> >>> git clone git://git.videolan.org/x264
>> >>> >>>
>> >>> >>> my system just crash's / hangs and even through the serial port i
>> >>> >>> get
>> >>> >>> no response.
>> >>> >>> This also happens when i try to access a web interface for
>> >>> >>> example the
>> >>> >>> serviio java webui.
>> >>> >>>
>> >>> >>> The second issue i have noticed is that my raid 0 array hangs /
>> >>> >>> pauses
>> >>> >>> when being mounted
>> >>> >>> at system startup. (for approximatly 30 seconds maybe more maybe
>> >>> >>> less
>> >>> >>> im not certain).
>> >>> >>> But again on the 3.3.7 kernel there was no issue and no hang.
>> >>> >>>
>> >>> >>> If i return to 3.3.7 everything works fine with no other
>> >>> >>> modifications
>> >>> >>> to the os or kernels.
>> >>> >>> I am using debian wheezy at the moment but also tried debian
>> >>> >>> squeeze
>> >>> >>> so it does not
>> >>> >>> seem to be related to the specific linux version just the kernel.
>> >>> >>
>> >>> >> Can you bisect your problem? Doing that between 3.3.7 and 3.3.8
>> >>> >> seems to
>> >>> >> be the obvious range to test.
>> >>> >>
>> >>> >> You can also try to enable the various debugging options like
>> >>> >>
>> >>> >>         CONFIG_DETECT_HUNG_TASK
>> >>> >>         CONFIG_PROVE_LOCKING
>> >>> >>         CONFIG_DEBUG_ATOMIC_SLEEP
>> >>> >>         CONFIG_MAGIC_SYSRQ
>> >>> >>
>> >>> >> or try https://lkml.org/lkml/2012/5/26/83.
>> >>> >>
>> >>> >> Best regards
>> >>> >> Uwe
>> >>> >>
>> >>> >> --
>> >>> >> Pengutronix e.K.                           | Uwe Kleine-König
>> >>> >>       | Industrial Linux Solutions                 |
>> >>> >> http://www.pengutronix.de/  |>>> >
>> >>> > i enabled the options you said there and i see alot of the
>> >>> > following
>> >>> >
>> >>> > popping up while connected through serial:
>> >>> >  BUG: sleeping function called from invalid context at
>> >>> >
>> >>> > include/linux/freezer.h:46
>> >>> > [  126.896958] in_atomic(): 0, irqs_disabled(): 128, pid: 2180,
>> >>> > name:
>> >>> > console-kit-dae
>> >>> > [  126.904566] no locks held by console-kit-dae/2180.
>> >>> > [  126.909378] irq event stamp: 27643
>> >>> > [  126.912797] hardirqs last  enabled at (27642): [<c03781ac>]
>> >>> > _raw_spin_unlock_irqrestore+0x3c/0x5c
>> >>> > [  126.921735] hardirqs last disabled at (27643): [<c00090cc>]
>> >>> > ret_fast_syscall+0xc/0x38
>> >>> > [  126.929618] softirqs last  enabled at (25565): [<c001bc20>]
>> >>> > irq_exit+0x54/0xb8
>> >>> > [  126.936890] softirqs last disabled at (25558): [<c001bc20>]
>> >>> > irq_exit+0x54/0xb8
>> >>> > [  126.944185] [<c000ea8c>] (unwind_backtrace+0x0/0xe0) from
>> >>> > [<c000b414>] (do_signal+0x84/0x5c0)
>> >>> > [  126.952764] [<c000b414>] (do_signal+0x84/0x5c0) from
>> >>> > [<c000be0c>]
>> >>> > (do_notify_resume+0x18/0x60)
>> >>> > [  126.961430] [<c000be0c>] (do_notify_resume+0x18/0x60) from
>> >>> > [<c0009120>] (work_pending+0x24/0x28)
>> >>> >
>> >>> > there seems to be alot more of them when i have serviio upnp server
>> >>> > running.>>>
>> >>> After a little testing with those config options enabled that you
>> >>> sujested iv found that the problem with git first appears in the
>> >>> 3.4.1
>> >>> kernel.
>> >>> For example:
>> >>> in 3.4.0 kernel i can use 'git clone git://git.videolan.org/x264'
>> >>> successfully.
>> >>>
>> >>> From 3.4.1 kernel on  I can not use 'git clone
>> >>> git://git.videolan.org/x264' the system hangs / crashes with no
>> >>> output
>> >>> at all.
>> >>>
>> >>> the other issue the hang / stall while mounting my etx4 raid 0 is
>> >>> actualy much more recent than i remembered i have tested each kernel
>> >>> from 3.4.0 all the way to 3.4.9 with the config options enabled as
>> >>> sujested before and the stall first starts in kernel 3.4.8 and the
>> >>> following bug keeps popping up repeatedly until the raid is mounted
>> >>> and then anytime a disk is accessed it seems. I was certain it had
>> >>> been popping up before 3.4.8.
>> >>>
>> >>> The following is one of what pops up:
>> >>>  BUG: sleeping function called from invalid context at
>> >>>
>> >>> include/linux/freezer.h:46
>> >>> in_atomic(): 0, irqs_disabled(): 128, pid: 2166, name: minissdpd
>> >>> no locks held by minissdpd/2166.
>> >>>
>> >>>  irq event stamp: 2081
>> >>>
>> >>> hardirqs last  enabled at (2080): [<c02f8dc8>]
>> >>> _raw_spin_unlock_irq+0x24/0x4c hardirqs last disabled at (2081):
>> >>> [<c00090cc>] ret_fast_syscall+0xc/0x38 softirqs last  enabled at
>> >>> (0): [<c0016b38>] copy_process+0x3f8/0xfe8 softirqs last disabled at
>> >>> (0): [<  (null)>]   (null)
>> >>> [<c000eae4>] (unwind_backtrace+0x0/0xe0) from [<c000b5a0>]
>> >>> (do_signal+0x84/0x554)
>> >>> [<c000b5a0>] (do_signal+0x84/0x554) from [<c000bec0>]
>> >>> (do_notify_resume+0x18/0x60)
>> >>> [<c000bec0>] (do_notify_resume+0x18/0x60) from [<c0009120>]
>> >>> (work_pending+0x24/0x28)
>> >>
>> >> I think this is an unrelated issue that I think is fixed in later
>> >> kernels. So I'd disable CONFIG_DEBUG_ATOMIC_SLEEP for further testing.
>> >> Can you try a bisection, i.e.
>> >>
>> >>         git clone
>> >>         git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.
>> >>         git cd linus
>> >>         git remote add -f stable
>> >>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-st
>> >>         able.git git bisect v3.4.1 v3.4
>> >>
>> >> and test if the kernel that is checked out then results in a freeze.
>> >>
>> >> Depending on the test result either do:
>> >>         git bisect good # i.e. problem doesn't occur
>> >>
>> >> or
>> >>
>> >>         git bisect bad # problem is reproducible
>> >>
>> >> Repeat that until git points out the first bad commit and report that.
>> >>
>> >> Best regards
>> >> Uwe
>> >>
>> >> --
>> >> Pengutronix e.K.                           | Uwe Kleine-König
>> >>   | Industrial Linux Solutions                 |
>> >> http://www.pengutronix.de/  |>
>> > I dont think it has as i have recently been building the latest 3.6 rc
>> > kernels while creating a patch for my nas and i had the same issue's
>> > on them. Thats what prompted me to actualy come to the mailing list
>> > with it. I have tried the 3.6-rc1 and the latest linux-next dated 17th
>> > of august.
>>
>> Im not sure if this is the right commit as i dont know what way it
>> works but basically the very first commit caused the issue of me not
>> being able to use git and when i typed the git bisect bad it said
>> this:
>>
>> ownerx35 at ownerx35-VirtualBox:~/Desktop/linux$ git bisect bad
>>
>> Bisecting: 21 revisions left to test after this (roughly 5 steps)
>> [774a93aa647f8939867c8ff956847bc63dd51cb3] usbhid: prevent deadlock
>> during timeout
>
> After calling git bisect bad it checks out files from a revision between
> the one currently checked and the one marked as good (imagine binary
> search).
>
> You have to compile and test resulting kernels and tell git whether they're
> good or bad until it tells you that it found the problematic commit.
>
> Best regards,
> Tomasz Figa
>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel at lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

It said something about doing it 5 more times or such. and if im
understanding what your saying basicaly i have to build it 5 more
times then it will tell me the commit that was actualy bad so the one
i said there is not the problematic one?




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