MobileTeam Reporting Page

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Welcome to the MobileAndEmbedded reporting page. Every month this page reveals a snapshot of the work that has been going on in the Ubuntu Mobile and Embedded Community. If you have have been working hard on the project and want to let others know what you have been up to, try to summarize it here. Community contributions are actively encouraged. A few guidelines for how to write good points are:

• Keep it simple and short - single sentences are best.

• Try to summarise your work and not be over-detailed - we don't need to know specifics, just a summary of the kind
• Where possible, include relevant links.

You should get all your reporting included here by the 22nd of every month.

The Report

Ubuntu Mobile [http://kryten.incognitus.net/mootbot/meetings/ MootBot Logs]

Status report for week 04

Moblin Kernel and Driver Status

• Kernel Support Alek rebased kernel-mid-2.6.24 to linux-2.6.24-rc8. Alek also fixed the issue - WIFI does not work on Samsung Q1 Ultra. The root cause is Ubuntu kernel uses a volatile tmpfs to hold restricted drivers, while Moblin Image Creator would lose the volatile during umount/mount cycle and thus would create wrong Modules.dep file. PSB / SLT HW Support No changes this week. SDIO Feng successfully ported Marvell SDIO 8686 wifi card V9 version driver (with V9 firmware). The new driver was not put to Moblin yet. We expected lots of tests to verify the new ported driver. Dabney Thermal patches No changes this week. USB Client Drivers Moblin Media team is starting to integrate USBC media sync feature, mainly focus on DBus message handling exported by udev scripts. A driver upgrading was scheduled in WW09.

  PSB Gfx & Video Drivers Inuka upgraded PSB Gfx drivers to Beta6. Both kernel drivers and user space drivers were updated. Power and Performance Testing/Optimization Jay tested Moblin kernel-mid 2.6.22 S3 stability on Crown-beach D0 board. Jay found: 1. without nolapic_timer, the system could suspend/resume once, but for second cycle, the system would hang with post code 0200/0002, and system could resume normally after toggling lid switch couple of time. 2. with USB Ethernet dongle, after resume from S3, kernel would have 800+ wake up events per second. Sometimes, with the USB Ethernet dongle the system even refused to suspend to S3. 3. Sometimes USB mouse did not work properly after resume and USB Ethernet dongle could not get IP address. Jay would like to discuss this issue with Ubuntu kernel team during Intel/Ubuntu sprint. Grub fast boot/resume No changes this week.

MidBrowser status

• The Midbrowser is now officially using the FF3.0 beta 2 code base. A package has been uploaded to the gaston repository.
• Team is busy working on Panning support and bug fixes.

Status report for week 05

Moblin Kernel and Driver Status

• Kernel Support Alek synced Moblin kernel 2.6.24 with formal 2.6.24 kernel. He also fixed linux-headers folder issue (/lib/modules/*/build should be a symbol link to /usr/src/linux-headers*). Alek started to append build number to Moblin kernel binary package and started to look into libata UDMA5 support on CRB D0 board. PSB / SLT HW Support Martin found HDA device extra interrupt issue: When intel HDA is working (play a wav file, for example), there are 50+ IRQ17 nobody handled interrupts happen. We suspected it maybe a hardware issue but current no enough evidence proved. SDIO Feng confirmed with C0 board the SDIO timeout waiting for interrupt error was gone. Dabney Thermal patches No changes this week. USB Client Drivers No changes this week.

  PSB Gfx & Video Drivers Did not get updates from Inuka. Power and Performance Testing/Optimization Did not get updates from Jay. Grub fast boot/resume Martin added 2.6.24 support to grub fast boot/resume patch and verified without nolapic_timer and with HT enabled, the 2.6.24 kernel fast resume very stable (tested with 20+ cycles).

Status report for week 06

Sprint week

Status report for week 07

Moblin Kernel and Driver Status

• Kernel Support

  For bug https://bugs.launchpad.net/moblin-kernel/+bug/186038 we confirmed S3 worked on Moblin 2.6.22 /2.6.24 kernel after getting a D0 board with BIOS 68. Inuka found screen distortion issue after S3, and already redirected the issue to Gfx team. Inuka also confirmed touch screen functional on CB but did not enabled calibration tool yet. Martin found a bug in kernel USB host controller driver -- the driver should disable the USB HC interrupt as early as possible during initialization if the BIOS enabled USB legacy support. The unexpected interrupt may cause OS to mask the "nobody cared" interrupt source and cause USB system working under polling mode. The patch is located at http://www.moblin.org/repos/?p=projects/kernel-mid-2.6.24.git;a=blob;f=debian/patches/debian/patches/0021-legacy-usb-int-fix.dpatch And Jay already pushed it to Ubuntu PPA repo. Feng worked out a workaround to avoid touchscreen double click issue when enabled external mouse support in xorg.conf, the root cause is the touch screen events are exported through input/event and mice interface simultaneously. PSB / SLT HW Support Alek enabled a workaround for udma5 support in libata on D0 board -- the 80/40 cable detection register is reserved for Poulsbo PATA register... Jay already pushed it to PPA repo. Jay pushed pciutils source to PPA with new Poulsbo PCI IDS. Those new IDs have been uploaded to Ubuntu package by the maintainer while debian pciutils package maintainer will not update the PCI IDs from Intel -- he like to picked up them from upstream. SDIO No changes this week. Dabney Thermal patches No changes this week. USB Client Drivers Alek upgraded the USBC driver to version Beta4 (2.0.0.32L.0008).

  PSB Gfx & Video Drivers

  Inuka built a workable Beta6 Gfx driver against hardy PPA at https://launchpad.net/~inuka/+archive Inuka was planning to release Beta7 Gfx driver once got approved. Power and Performance Testing/Optimization No changes this week. Grub fast boot/resume Martin root caused the fast resume kernel oops issue when HT enabled. Fast resume became more and more stable. Almost all known issues got fixed.

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