Re: [GIT PULL] OMAP DSS for v3.5

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Tomi,

On Tue, Jun 5, 2012 at 2:33 PM, Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote:
> Hi Jean,
>
> On Tue, 2012-06-05 at 14:17 +0200, Jean Pihet wrote:
>> Hi Tomi,
>
>> I am using a mainline kernel (3.5.0-rc1) with the patches below integrated.
>> I have an issue with suspend/resume on OMAP3 Beagleboard, where the
>> system hangs at resume time.
>>
>> Here below is a log with the option no_console_suspend set and a few
>> added messages in case of null pointer in _od_resume_noirq.
>> It looks like there is no omap_device associated to the "omapdss_dpi" pdev.
>>
>> What do you think? How to fix this?
>> Sorry I know there have been some discussions on the lists but I am
>> not aware of all the details in the devices creation for DSS.
>>
>> / # echo mem > /sys/power/state
>> [   23.262298] PM: Syncing filesystems ... done.
>> [   23.295501] Freezing user space processes ... (elapsed 0.02 seconds) done.
>> [   23.326507] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) don
>> e.
>> [   23.502197] PM: suspend of devices complete after 163.766 msecs
>> [   23.511932] PM: late suspend of devices complete after 3.418 msecs
>> [   23.524444] PM: noirq suspend of devices complete after 5.860 msecs
>> [   23.531249] Disabling non-boot CPUs ...
>> [   24.476562] Powerdomain (per_pwrdm) didn't enter target state 1
>> [   24.482818] Powerdomain (core_pwrdm) didn't enter target state 1
>> [   24.489166] Could not enter target state in pm_suspend
>> [   24.495147] *** _od_resume_noirq: od=NULL, dev=0xc78bcc08
>> [   24.500915] *** _od_resume_noirq: od=NULL, pdev=0xc78bcc00
>> [   24.506805] *** _od_resume_noirq: od=NULL, pdev->name:omapdss_dpi
>> [   24.513336] Unable to handle kernel NULL pointer dereference at virtual addre
>> ss 00000018
>> [   24.521942] pgd = c62f0000
>> [   24.524841] [00000018] *pgd=862c1831, *pte=00000000, *ppte=00000000
>> [   24.531524] Internal error: Oops: 17 [#1] SMP ARM
>> [   24.536529] Modules linked in:
>> [   24.539764] CPU: 0    Not tainted  (3.5.0-rc1-00010-g5041caa-dirty #131)
>> [   24.546844] PC is at _od_resume_noirq+0x1c/0xac
>> [   24.551635] LR is at _od_resume_noirq+0x94/0xac
>> ...
>
> I'm on leave currently, so I can't test it right now. But can you try
Oh sorry about that!

> the attached patch? Or even better, try merging the tag:
That fixes it! I am able to suspend/resume correctly now.

>
> git://gitorious.org/linux-omap-dss2/linux.git tags/omapdss-for-3.5-rc2
>
> which contains the included patch plus a couple other fixes.
Thanks for the link, that is certainly useful!

Have a nice time on leave ;-p

>
>  Tomi
>

Regards,
Jean
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux