Busy looping iwl3945 driver

Hi Today I've noticed 100% CPU occupied by kworker thread - which appeared to be the result of some iwl3945 driver interaction. Here are some trace of some tasks from that moment. It looked like when I've then even tried to run 'mc' of ...

Message posted on the December 1st, 2011 - 5:40 AM ET

Surprise Mom with a Sprint Smartphone Loaded with Apps She’ll Love This Mother’s Day

Whether she’s celebrating her first Mother’s Day, her kids have moved out of the house, or she’s environmentally conscious or loves taking photographs of her kids, mom is going to love the smartphone and app ...

Press published on the May 2nd, 2012 - 8:00 AM ET

Infinite looping in omap2430.c USB driver

Hello `./scripts/get_maintainer.pl -f drivers/usb/musb/omap2430.c` omap2430_musb_set_vbus in omap2430.c contains: while (musb_readb(musb->mregs, MUSB_DEVCTL) & 0x80) { cpu_relax(); if (time_after(jiffies, timeout)) { ...

Message posted on the July 6th, 2012 - 6:50 PM ET

[PATCH v3] PM/Memory-hotplug: Avoid task freezing failures

The lock_system_sleep() function is used in the memory hotplug code at several places in order to implement mutual exclusion with hibernation. However, this function tries to acquire the 'pm_mutex' lock using mutex_lock() and hence blocks in ...

Message posted on the November 17th, 2011 - 3:40 AM ET

Starting a Java applet drives IE8 into busyloop

I have the odd effect that starting a Java applet drives IE8 into a busyloop (i.e. one core starts going 100% busy). Initially I thought, it's my applet, but my applet is NOT the culprit and it is NOT busy-looping - I verified that by inserting ...

Message posted on the March 2nd, 2010 - 10:54 AM ET

Linux 3.6-rc4

The kernel summit is over, and most people have either returned or are returning from San Diego. Probably as a result of lots of maintainers having been away, it's been pretty quiet - despite it being ten days (rather than the usual week) since ...

Message posted on the September 1st, 2012 - 6:20 PM ET

[RFC PATCH] Linux kernel Wait-Free Concurrent Queue Implementation

Ported to the Linux kernel from Userspace RCU library, at commit 108a92e5b97ee91b2b902dba2dd2e78aab42f420. Ref: http://git.lttng.org/userspace-rcu.git It is provided as a starting point only. Test cases should be ported from Userspace RCU to ...

Message posted on the March 11th, 2013 - 4:40 PM ET

[PATCH v2] PM/Memory-hotplug: Avoid task freezing failures

The lock_system_sleep() function is used in the memory hotplug code at several places in order to implement mutual exclusion with hibernation. However, this function tries to acquire the 'pm_mutex' lock using mutex_lock() and hence blocks in ...

Message posted on the November 16th, 2011 - 7:00 AM ET

[PATCH] PM/Memory-hotplug: Avoid task freezing failures

The lock_system_sleep() function is used in the memory hotplug code at several places in order to implement mutual exclusion with hibernation. However, this function tries to acquire the 'pm_mutex' lock using mutex_lock() and hence blocks in ...

Message posted on the November 10th, 2011 - 11:50 AM ET

[PATCH] swap: avoid read_swap_cache_async() race to deadlock while waiting on discard I/O compeletion

read_swap_cache_async() can race against get_swap_page(), and stumble across a SWAP_HAS_CACHE entry in the swap map whose page wasn't brought into the swapcache yet. This transient swap_map state is expected to be transitory, but the actual ...

Message posted on the May 30th, 2013 - 2:10 PM ET

v3.9-rc1 instability on Chromebook Pixel with gmbus irq

Hi Daniel Vetter, I'm working on touch devices Chromium OS, and I've noticed a regression between 3.8 and 3.9-rc1, which was posted yesterday. The hardware in question is a Chromebook Pixel. For this device, we have i2c input devices: atmel ...

Message posted on the March 5th, 2013 - 9:40 PM ET

Linux 3.5.3

I'm announcing the release of the 3.5.4 kernel. All users of the 3.5 kernel series must upgrade. The updated 3.5.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-3.5.y and can be browsed at ...

Message posted on the September 14th, 2012 - 11:50 PM ET

[ 00/85] 3.4.11-stable review

From: Greg KH <gregkh@linuxfoundation.org> This is the start of the stable review cycle for the 3.4.11 release. There are 85 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being ...

Message posted on the September 12th, 2012 - 8:20 PM ET

[ 00/46] 3.0.43-stable review

From: Greg KH <gregkh@linuxfoundation.org> This is the start of the stable review cycle for the 3.0.43 release. There are 46 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being ...

Message posted on the September 12th, 2012 - 8:00 PM ET

busy looping