[Announce] kernel-power stable v50 in Extras - Page 44 - maemo.org

Active Topics

[ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900 (2,264)
to Maemo 5 / Fremantle by panjgoori - 7 hrs, 5 mins ago
Porting apps to Leste (31)
to Maemo 7 / Leste by HtheB - 13 hrs, 52 mins ago
Full linux distros on Sailfish OS (254)
to SailfishOS by qoh - 1 day, 5 hrs ago
more...

Page 44 of 54

Thread Tools

	sifo	2012-06-13 , 13:43
	Posts: 1,359 \| Thanked: 1,292 times \| Joined on Oct 2011 @ Tartus.Syria	#431

hi
i have a problem with uninstalling KP50 with NOKIA KERNEL it says unable to install nokia kernel and im doing this because KP50 not booting ! after trying CSSU-THUMB i restored my backup and reinstalled KP50 but it is not booting

... please help

./sifo

__________________
[ N900-Crack ] [ The Purge ] [ New Smiles ] [ New icons ] [ ? ]
" Hey ! I've just met you and this is crazy, so install cssu maybe ? "
Please help out keeping Maemo.org alive, and consider donating.
https://www.facebook.com/ZoRk7

Quote & Reply |

marmistrz	2012-06-13 , 16:52
Posts: 3,328 \| Thanked: 4,476 times \| Joined on May 2011 @ Poland	#432

Originally Posted by freemangordon

Please anyone who has not enabled SR, to do a little experimenting with default and dsp profiles and to confirm/not if SR is stable and how is the battery life with SR. Also if you have your own undervolting profile, I will appreciate a comparison between your manually tuned voltages and SR calculated. SR should be rock stable in KP50, but I need a confirmation.

Note:
Have in mind that if you have your own undervolting profile, SR would not make battery life better, at least not much.

Sorry if this has been reported, but there's a regression in kp50 when compared to kp49. in 49 you could use max 950mhz with sr 1&2 and with kp50 you can use max 900 mhz with sr 1&2. It's why I had to update my modified qcpufreq script. If you exceed the vaules, the system crashes.

__________________
If you want to support my work, you can donate by PayPal or Flattr

Projects no longer actively developed: here

Quote & Reply |

	sifo	2012-06-13 , 20:25
	Posts: 1,359 \| Thanked: 1,292 times \| Joined on Oct 2011 @ Tartus.Syria	#433

Originally Posted by sifo

hi
i have a problem with uninstalling KP50 with NOKIA KERNEL it says unable to install nokia kernel and im doing this because KP50 not booting ! after trying CSSU-THUMB i restored my backup and reinstalled KP50 but it is not booting ... please help

./sifo

never mind about that, problem solved

Last edited by sifo; 2012-06-13 at 20:31.

Quote & Reply |

freemangordon	2012-06-14 , 05:09
Posts: 3,074 \| Thanked: 12,960 times \| Joined on Mar 2010 @ Sofia,Bulgaria	#434

Originally Posted by marmistrz

Sorry if this has been reported, but there's a regression in kp50 when compared to kp49. in 49 you could use max 950mhz with sr 1&2 and with kp50 you can use max 900 mhz with sr 1&2. It's why I had to update my modified qcpufreq script. If you exceed the vaules, the system crashes.

SmartReflex driver has NEVER supported 950 MHz. period.

__________________
Never fear. I is here.

720p video support on N900,SmartReflex on N900,Keyboard and mouse support on N900
Nothing is impossible - Stable thumb2 on n900

Community SSU developer
kernel-power developer and maintainer

Quote & Reply |

The Following 2 Users Say Thank You to freemangordon For This Useful Post:
don_falcone, geneven

marmistrz	2012-06-14 , 13:37
Posts: 3,328 \| Thanked: 4,476 times \| Joined on May 2011 @ Poland	#435

Originally Posted by freemangordon

SmartReflex driver has NEVER supported 950 MHz. period.

It's strange. I made the script with kp49 and 950Mhz didn't cause a crash. I tested it (overclocked value by value until crash). Maybe it wasn't supported, but somehow didn't cause a crash ?

Maybe the crash would appear after some long using... But I'm sure it was 950000 as I changed it lately in the updated version for kp50.

__________________
If you want to support my work, you can donate by PayPal or Flattr

Projects no longer actively developed: here

Quote & Reply |

	Fatalist	2012-06-26 , 20:01
	Posts: 141 \| Thanked: 190 times \| Joined on Feb 2012 @ Barcelona - Spain	#436

Hello,

This is my first post in Maemo.org. I like a lot the N900 and I've installed lots of applications and Easy Debian etc, with no problem. But for some reason I can't install the kernel-power v50. I tried to install Linux kernel for power user (settings and overclock) with Hildon Application Manager and via apt-get package but no matter what method I try. The uname -r it says still 2.6.28-omap1. I have rebooted the N900 a few times every times and no luck, the same. The Nokia Kernel icon is in the menu.

I tried to uninstall the kernel power with X-Terminal, and reinstall the kernel power again, nothing.

I have PR1.3.1 I think, version 21.2011.38-1. My N900 is spanish, and I have multiboot installed with NitDroid.

Any help would be great, thanks!

Quote & Reply |

sixwheeledbeast	2012-06-26 , 20:23
Posts: 2,290 \| Thanked: 4,133 times \| Joined on Apr 2010 @ UK	#437

Read the wiki?
To uninstall best to follow these instructions
http://wiki.maemo.org/Kernel_Power#U...g_kernel-power

Read this for your problem
http://wiki.maemo.org/Kernel_Power#I...d_installation

__________________

Wiki Admin
sixwheeledbeast's wiki
Testing Squad Subscriber
- mcallerx - tenminutecore - FlopSwap - Qnotted - zzztop - Bander - Fight2048 -

Before posting or starting a thread please try this.

Quote & Reply |

The Following 2 Users Say Thank You to sixwheeledbeast For This Useful Post:
Fatalist, freemangordon

Mitrigol	2012-06-27 , 12:26
Posts: 236 \| Thanked: 223 times \| Joined on Apr 2011 @ switzerland	#438

Hey, i have a question for you all.

While doing some tests with Thumb kernel, i had some trouble with Powertop as the CPU in idle was too much on C3 state if i compare it without Thumb. I did this check because i had a little loss in battery consumption.

(the following is the short explaination, i can provide a more complete test process and info):
So as i tinker a lot with my N900, i though it is because of something else, so i did a backup and flashed the N900 with PR1.3 emmc and rootfs.
Then installed CSSU, KP50, KP-Settingsv14, batterygraph, rootsh and leafpad (yes, i am unable to understand how vi works)

Then did Powertop and dmesg to see the evolution. Everything was fine until a few hour after the reinstall, i suddenly got a big consumption drain. Confirmed in batterygraph.

So i started powertop and found a lot more interrupt than usual. Also, core, neon and ina2 in powertop result are always 100% ON.
then started DMESG and found out a lot of "procwrap_detach: deprecated dspbridge ioctl.
I also found this kind of error:

Code:

bridge_deh_notify: ********** DEVICE EXCEPTION **********
[ 2768.851745] bridge_deh_notify: DSP_MMUFAULT,err_info = 0x0
[ 2768.851776] bridge_deh_notify: DSP_MMUFAULT, High Address = 0x7246
[ 2768.851806] bridge_deh_notify: DSP_MMUFAULT, Low Address = 0x1240
[ 2768.851806] bridge_deh_notify: DSP_MMUFAULT, fault address = 0x72461240
[ 2768.852050] print_dsp_trace_buffer:
[ 2768.852081] (SYS_EFREE): segid = 540916496, ptr = 0x0, size = 537949416
[ 2768.852142] bridge_deh_notify: ********** DEVICE EXCEPTION **********
[ 2768.852142] bridge_deh_notify: DSP_SYSERROR, err_info = 0x102
[ 2768.852233] print_dsp_trace_buffer:
[ 2768.852233] (SYS_EFREE): segid = 540916496, ptr = 0x0, size = 537949416
[ 2768.852264] bridge_deh_notify: ********** DEVICE EXCEPTION **********
[ 2768.852294] bridge_deh_notify: DSP_SYSERROR, err_info = 0x102
[ 2768.852355] print_dsp_trace_buffer:
[ 2768.852386] (SYS_EFREE): segid = 540916496, ptr = 0x0, size = 537949416
[ 2768.852386] bridge_deh_notify: ********** DEVICE EXCEPTION **********
[ 2768.852416] bridge_deh_notify: DSP_SYSERROR, err_info = 0x102
[ 2768.852478] print_dsp_trace_buffer:
[ 2768.852508] (SYS_EFREE): segid = 540916496, ptr = 0x0, size = 537949416
[ 2768.861450] wake_dsp: unexpected state a
[ 2768.861541] bridge_deh_notify: ********** DEVICE EXCEPTION **********
[ 2768.861541] bridge_deh_notify: DSP_SYSERROR, err_info = 0x102
[ 2768.861663] print_dsp_trace_buffer:
[ 2768.861694] (SYS_EFREE): segid = 540916496, ptr = 0x0, size = 537949416

I somehow found out that this is happen while recording/playing movie.
I uninstalled KP50 and KP50-Settings, problem gone!

I also tried with DSP overclock profile.

This is something i tested a lot with different configuration, CSSU or not, DCIM folder on Internal/uSD, swap on internal/uSD/both, KP50/OMAP. And i only got this problem while KP50 installed, no matter the rest of my configuration.

I found a solution, it is to install 720p packages once KP50 is installed. Now i don't have any error.

I am using KP50 since the very beginning and never experienced this error, right is that i had 720p installed since the very beginning too...

I did not find any info about KP50 requiring 720p package to run properly, i checked TMO page and wiki.

So can any of you confirm this?

Thank you

Last edited by Mitrigol; 2012-06-27 at 13:11.

Quote & Reply |

The Following User Says Thank You to Mitrigol For This Useful Post:
saponga

Mitrigol	2012-06-27 , 14:13
Posts: 236 \| Thanked: 223 times \| Joined on Apr 2011 @ switzerland	#439

Also, can someone point me to the "IO anti-contention-under-extreme-loads kernel tuning" thing that Hurrian is refering to in post 427 of last page?

ed_boner already asked this but got no answer. And i would be very interested about this.

Quote & Reply |

The Following User Says Thank You to Mitrigol For This Useful Post:
ed_boner

vi_	2012-06-27 , 14:52
Posts: 1,680 \| Thanked: 3,685 times \| Joined on Jan 2011	#440

Code:

echo 10 > /proc/sys/vm/dirty_ratio
echo 5 > /proc/sys/vm/dirty_background_ratio
echo 4000 > /proc/sys/vm/dirty_expire_centisecs
echo 4000 > /proc/sys/vm/dirty_writeback_centisecs
echo 333 > /proc/sys/vm/vfs_cache_pressure

echo 66 > /proc/sys/vm/swappiness
echo 0 > /proc/sys/vm/page-cluster
echo 64 > /sys/block/mmcblk0/queue/nr_requests
echo 64 > /sys/block/mmcblk1/queue/nr_requests
echo 0 > /sys/block/mmcblk0/queue/iosched/slice_idle
echo 0 > /sys/block/mmcblk1/queue/iosched/slice_idle
echo 32 > /sys/block/mmcblk0/queue/iosched/quantum
echo 32 > /sys/block/mmcblk1/queue/iosched/quantum
echo 96 > /sys/block/mmcblk0/queue/iosched/fifo_expire_sync
echo 96 > /sys/block/mmcblk1/queue/iosched/fifo_expire_sync
echo 200 > /sys/block/mmcblk0/queue/iosched/fifo_expire_async
echo 200 > /sys/block/mmcblk1/queue/iosched/fifo_expire_async

__________________

N900: One of God's own prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die.

Last edited by vi_; 2012-06-27 at 14:58.