Linux 3.10-rc2

So it's been just over a week, and -rc2 is out. For being an -rc2, it's not unreasonably sized, but I did take a few pulls that I wouldn't have taken later in the rc series. So it's not exactly small either. We've got arch updates (PPC, MIPS, ...

Message posted on the May 20th, 2013 - 6:00 PM ET

REGRESSION: Performance regressions from switching anon_vma->lock to mutex

It seems like that the recent changes to make the anon_vma->lock into a mutex (commit 2b575eb6) causes a 52% regression in throughput (2.6.39 vs 3.0-rc2) on exim mail server workload in the MOSBENCH test suite. Our test setup is on a 4 socket ...

Message posted on the June 14th, 2011 - 8:30 PM ET

Linux 3.6-rc2

So, due to travels, the -rc2 release was two weeks instead of the usual one. But it's out there now. Also, for the same reason, I rather aggressively ignored pull requests that looked unnecessarily big and scary, and made me go "Hmm, this ...

Message posted on the August 16th, 2012 - 6:20 PM ET

load balancing regression since commit 367456c7

Peter, We noticed in a hackbench test (./hackbench 100 process 2000) on a Sandy bridge 2 socket server, there has been a slow down by a factor of 4 since commit 367456c7 was applied (sched: Ditch per cgroup task lists for load-balancing). The ...

Message posted on the April 10th, 2012 - 9:10 PM ET

[Regression] [2.6.37-rc2] WARNING: at drivers/pci/pci-sysfs.c:758 pci_mmap_resource+0x133/0x190()

Last known good: 2.6.37-rc1 Bad kernel: 2.6.37-rc2 Hardware: VirtualBox Description: cannot run Xwindow, booting hangs on this kernel message: [ 143.502215] [ cut here ] [ 143.503050] WARNING: at drivers/pci/pci-sysfs.c:758 ...

Message posted on the November 17th, 2010 - 4:00 PM ET

2.6.37-rc2 regression: usb network hotplug

When trying out 2.6.37-rc2 on my Dell Latitude D630 laptop, I notice a regression, compared to plain 2.6.36, related to USB unplugging my N900 (cdc_ether network device). The usb0 interface is configured to automatically plug into a bridge group, ...

Message posted on the November 17th, 2010 - 8:10 AM ET

REGRESSION: v3.2-rcX: iwlagn refuses to associate with my AP's

Hi there, I recently discovered a regression in the iwlagn driver (works in v3.1 but not in v3.2-rc2... I'm going to continue to bisect, but I thought I'd give a heads up now). I'm using a Lenovo T410, with the following wireless card: [ ...

Message posted on the December 12th, 2011 - 2:50 PM ET

[REGRESSION] [2.6.36-rc2] hp-wmi: probe of hp-wmi failed with error -22

Last known good kernel: 2.6.35 Failing kernel: 2.6.36-rc1, 2.6.36-rc2 Dmesg says: root@gumis:/home/maciek# dmesg | grep -i hp-wmi [ 5.489731] hp-wmi: probe of hp-wmi failed with error -22 lsmod says, that wp-wmi module was loaded: ...

Message posted on the August 26th, 2010 - 1:50 PM ET

3.5.0-rc2 bisected regression: Can't change brightness on Vaio laptop

Commit ea9f8856bd6d4 ("ACPI video: Harden video bus adding") breaks the backlight controls on my Vaio laptop. After this patch the folder /sys/class/backlight becomes empty and I can't change the lcd brightness anymore. This regression ...

Message posted on the June 10th, 2012 - 12:40 PM ET

iwl3945: regression - unregister_netdevice: waiting for wlan0 to become free. Usage count = 1

Hi, I am experiencing iwl3945 driver reference counting problem with the current 2.6.37-rc2 kernel release. The problem can be easily reproduced by associating to an AP (I have tried only wep and wpa based auth) and then rmmod iw3945 which gets ...

Message posted on the November 22nd, 2010 - 5:50 AM ET

2.6.37-rc2-git4: Reported regressions from 2.6.36

This message contains a list of some regressions from 2.6.36, for which there are no fixes in the mainline known to the tracking team. If any of them have been fixed already, please let us know. If you know of any other unresolved regressions from ...

Message posted on the November 18th, 2010 - 6:40 PM ET

[REGRESSION] 3.7-rc2 kernel BUG at kernel/power/snapshot.c:517!

Error: kernel BUG at kernel/power/snapshot.c:517! Last known good: 3.6.1 Bad: 3.7-rc2 Steps to reproduce: 1. Boot system with 3.7-rc2 kernel 2. Try suspend to disk (s2ram works OK) System dies on message: ...

Message posted on the October 21st, 2012 - 11:20 AM ET

3.0-rc2: Reported regressions 2.6.38 -> 2.6.39

This message contains a list of some post-2.6.38 regressions introduced before 2.6.39, for which there are no fixes in the mainline known to the tracking team. If any of them have been fixed already, please let us know. If you know of any other ...

Message posted on the June 12th, 2011 - 5:30 PM ET

[REGRESSION] 3.7-rc2 [ INFO: suspicious RCU usage. ]

Got during normal boot: [ 0.748900] [ 0.748948] [ INFO: suspicious RCU usage. ] [ 0.748997] 3.7.0-rc2 #1 Not tainted [ 0.749045] - [ 0.749094] include/linux/cgroup.h:566 suspicious rcu_dereference_check() usage! [ 0.749149] [ ...

Message posted on the October 23rd, 2012 - 2:20 PM ET

regression rc2