processor_idle.c indentation fixes.

2005-09-09 Thread Dave Jones
/bugzilla/show_bug.cgi?id=165590 Signed-off-by: Dave Jones [EMAIL PROTECTED] --- linux-2.6.13/drivers/acpi/processor_idle.c~ 2005-09-09 19:24:25.0 -0400 +++ linux-2.6.13/drivers/acpi/processor_idle.c 2005-09-09 19:33:18.0 -0400 @@ -94,22 +94,27 @@ static int set_max_cstate(struct

Re: [patch 00/30] -stable review

2006-11-16 Thread Dave Jones
On Wed, Nov 15, 2006 at 06:43:32PM -0800, Chris Wright wrote: This is the start of the stable review cycle for the 2.6.18.3 release. There are 30 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let us know.

Re: [patch 05/30] splice: fix problem introduced with inode diet

2006-11-16 Thread Dave Jones
On Wed, Nov 15, 2006 at 06:43:37PM -0800, Chris Wright wrote: -stable review patch. If anyone has any objections, please let us know. -- From: Jens Axboe [EMAIL PROTECTED] After the inode slimming patch that unionised i_pipe/i_bdev/i_cdev, it's no longer enough to

Re: [PATCH] i386 cpufreq: cs5530A allows active idle

2006-11-19 Thread Dave Jones
On Sun, Nov 19, 2006 at 11:24:08AM -0800, David Rientjes wrote: The cs5530A will be able to go into active idle (PWRSVE) so its PCI class revision should be accurately stored. Already queued in cpufreq.git for .20 Dave -- http://www.codemonkey.org.uk - To unsubscribe from

Re: OOM killer firing on 2.6.18 and later during LTP runs

2006-11-25 Thread Dave Jones
On Sat, Nov 25, 2006 at 01:28:28PM -0800, Andrew Morton wrote: On Sat, 25 Nov 2006 13:03:45 -0800 Martin J. Bligh [EMAIL PROTECTED] wrote: On 2.6.18-rc7 and later during LTP: http://test.kernel.org/abat/48393/debug/console.log The traces are a bit confusing, but I don't actually

touch softlockup during

2006-11-25 Thread Dave Jones
Sometimes the soft watchdog fires after we're done oopsing. See http://projects.info-pull.com/mokb/MOKB-25-11-2006.html for an example. Signed-off-by: Dave Jones [EMAIL PROTECTED] --- linux-2.6.18.noarch/arch/i386/kernel/traps.c~ 2006-11-26 01:40:58.0 -0500 +++ linux-2.6.18.noarch

Re: OOM killer firing on 2.6.18 and later during LTP runs

2006-11-25 Thread Dave Jones
On Sat, Nov 25, 2006 at 11:11:53PM -0800, Andrew Morton wrote: On Sat, 25 Nov 2006 22:00:45 -0500 Dave Jones [EMAIL PROTECTED] wrote: On Sat, Nov 25, 2006 at 01:28:28PM -0800, Andrew Morton wrote: On Sat, 25 Nov 2006 13:03:45 -0800 Martin J. Bligh [EMAIL PROTECTED] wrote

Re: touch softlockup during stack unwinding.

2006-11-26 Thread Dave Jones
Sometimes the soft watchdog fires after we're done oopsing. See http://projects.info-pull.com/mokb/MOKB-25-11-2006.html for an example. The NMI watchdog could also fire, so tickle both watchdogs. Signed-off-by: Dave Jones [EMAIL PROTECTED] --- linux-2.6/arch/i386/kernel/traps.c~ 2006-11-26 01:44

3.6-rc4 audit_log_d_path oops.

2012-09-06 Thread Dave Jones
audit_log_start and abort early. (oddly, it looks like every other function called there checks for !ab.) Maybe additional code should be added here to printk the audit message to dmesg so that we don't lose it entirely, but for now, minimal fix. Signed-off-by: Dave Jones da...@redhat.com diff --git

Check all returns from audit_log_start

2012-09-06 Thread Dave Jones
to check it. Later we could remove all those same checks from audit_log_format and friends. For now, this just prevents similar bugs being introduced as the one in my previous patch. Signed-off-by: Dave Jones da...@redhat.com diff --git a/include/linux/audit.h b/include/linux/audit.h index 36abf2a

Re: 3.6-rc4 audit_log_d_path oops.

2012-09-06 Thread Dave Jones
On Thu, Sep 06, 2012 at 09:46:28AM -0400, Dave Jones wrote: Hit this in overnight fuzz testing.. BUG: unable to handle kernel NULL pointer dereference at 0020 IP: [81103365] audit_log_d_path+0x35/0xf0 PGD 12fded067 PUD 142c06067 PMD 0 Oops: [#1] SMP

Re: Check all returns from audit_log_start

2012-09-06 Thread Dave Jones
On Thu, Sep 06, 2012 at 11:36:06AM -0400, Eric Paris wrote: On Thu, Sep 6, 2012 at 11:08 AM, Dave Jones da...@redhat.com wrote: Following on from the previous patch that fixed an oops, these are all the other similar code patterns in the tree with the same checks added. I never saw

Re: Check all returns from audit_log_start

2012-09-06 Thread Dave Jones
On Thu, Sep 06, 2012 at 11:47:49AM -0400, Dave Jones wrote: Not certain because I haven't looked at what happens with the error code, but I think this might not be right. auditd can be explictly told not to audit certain events, in which case it is normal and expected that ab would

Remove user-triggerable BUG from mpol_to_str

2012-09-06 Thread Dave Jones
...@vger.kernel.org Signed-off-by: Dave Jones da...@redhat.com diff --git a/mm/mempolicy.c b/mm/mempolicy.c index bd92431..4ada3be 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2562,7 +2562,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) break

Re: 3.6-rc4 audit_log_d_path oops.

2012-09-06 Thread Dave Jones
On Thu, Sep 06, 2012 at 09:32:49AM -0700, Kees Cook wrote: I just realised, the funny thing about this is that the machine running that test had selinux/audit disabled. And yet here we are, screwing around with audit buffers. The intent was to have this message show up in dmesg

3.6rc6 slab corruption.

2012-09-18 Thread Dave Jones
I was chasing a networking bug, and had trinity reduced to just making read setsockopt calls, and let that run overnight. I woke up to 800mb of traces from a different bug.. The traces look mostly like this.. = BUG

Taint kernel when we detect a corrupted slab.

2012-09-18 Thread Dave Jones
It doesn't seem worth adding a new taint flag for this, so just re-use the one from 'bad page' Signed-off-by: Dave Jones da...@redhat.com diff --git a/mm/slub.c b/mm/slub.c index 2fdd96f..0c5009d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -568,6 +568,8 @@ static void slab_bug(struct kmem_cache *s

Re: 3.6rc6 slab corruption.

2012-09-18 Thread Dave Jones
On Tue, Sep 18, 2012 at 11:38:44AM -0700, Linus Torvalds wrote: Quoting the entire email, since I added Greg to the list of people (as the documented maintainer of debugfs) along with what I think are the guilty parties. Dave, is trinity perhaps doing read calls on the same file in

Re: Taint kernel when we detect a corrupted slab.

2012-09-18 Thread Dave Jones
On Tue, Sep 18, 2012 at 12:27:58PM -0700, David Rientjes wrote: On Tue, 18 Sep 2012, Christoph Lameter wrote: On Tue, 18 Sep 2012, Dave Jones wrote: It doesn't seem worth adding a new taint flag for this, so just re-use the one from 'bad page' Acked-by: Christoph Lameter

Re: 3.6rc6 slab corruption.

2012-09-19 Thread Dave Jones
On Wed, Sep 19, 2012 at 02:27:37PM -0700, David Rientjes wrote: On Wed, 19 Sep 2012, Linus Torvalds wrote: Create a 350 processes reading /sys/kernel/debug/kvm/spinlocks/histo_blocked file simultaneously in while loop for more than 3 hours on my box. You need to open the

Re: Linux 3.6-rc4

2012-09-21 Thread Dave Jones
On Mon, Sep 10, 2012 at 04:36:20PM +0200, Peter Zijlstra wrote: On Fri, 2012-09-07 at 11:39 -0700, Linus Torvalds wrote: Al? Please look into this. I'm not entirely sure what's going on, but lockdep complains about this: Possible interrupt unsafe locking scenario:

Re: [PATCH 00/11] x86: Supervisor Mode Access Prevention

2012-09-21 Thread Dave Jones
On Fri, Sep 21, 2012 at 12:43:04PM -0700, H. Peter Anvin wrote: Supervisor Mode Access Prevention (SMAP) is a new security feature disclosed by Intel in revision 014 of the Intel® Architecture Instruction Set Extensions Programming Reference:

Re: lockdep trace from posix timers

2012-07-27 Thread Dave Jones
On Tue, Jul 24, 2012 at 04:36:13PM -0400, Dave Jones wrote: Linus tree as of 5fecc9d8f59e765c2a48379dd7c6f5cf88c7d75a Dave == [ INFO: HARDIRQ-safe - HARDIRQ-unsafe lock order detected ] 3.5.0+ #122 Not tainted

awful kconfig help texts.

2012-07-31 Thread Dave Jones
PWM Support (PWM) [N/y/?] (NEW) ? CONFIG_PWM: This enables PWM support through the generic PWM framework. Well that's.. enlightening. I'm picking on PWM here, but this isn't an isolated case. Every merge window we see a slew of new options with useless help texts. They may as well be

Re: [PATCH] Remove CONFIG_EXPERIMENTAL

2012-08-28 Thread Dave Jones
On Tue, Aug 28, 2012 at 10:10:48AM -0400, Jeff Garzik wrote: On Mon, Aug 27, 2012 at 5:53 PM, Kees Cook keesc...@chromium.org wrote: This config item has not carried much meaning for a while now and is almost always enabled by default. Remove it and adjust various config logic and

Re: Linux 3.6-rc4

2012-09-05 Thread Dave Jones
On Sat, Sep 01, 2012 at 03:10:58PM -0700, Linus Torvalds wrote: The kernel summit is over, and most people have either returned or are returning from San Diego. Still seeing this, that I started seeing just before leaving for San Diego.. Dave

Re: lockdep trace from posix timers

2012-08-16 Thread Dave Jones
On Thu, Aug 16, 2012 at 08:54:31PM +0800, Ming Lei wrote: On Sat, Jul 28, 2012 at 12:20 AM, Dave Jones da...@redhat.com wrote: On Tue, Jul 24, 2012 at 04:36:13PM -0400, Dave Jones wrote: Linus tree as of 5fecc9d8f59e765c2a48379dd7c6f5cf88c7d75a Dave

3.5.1 ext4_ sleeping while atomic bug.

2012-08-09 Thread Dave Jones
BUG: sleeping function called from invalid context at include/linux/buffer_head.h:333 in_atomic(): 1, irqs_disabled(): 0, pid: 9894, name: fstest 3 locks held by fstest/9894: #0: (type-i_mutex_dir_key#4/1){+.+.+.}, at: [811d5dae] kern_path_create+0x7e/0x140 #1:

3.6rc3 lockdep trace. tasklist_lock vs fasync

2012-08-22 Thread Dave Jones
This started showing up after todays pull. == [ INFO: HARDIRQ-safe - HARDIRQ-unsafe lock order detected ] 3.6.0-rc3+ #35 Not tainted -- trinity-main/5043 [HC0[0]:SC0[0]:HE0:SE1] is trying to

Re: Drop support for x86-32

2012-08-24 Thread Dave Jones
On Fri, Aug 24, 2012 at 03:58:56PM -0400, Theodore Ts'o wrote: BTW, it turns out I was wrong about Linux being used on Mars. Apparently Linux was used on the Mars Global Surveyor, as well as the Sprit and Opportunity rovers citation? My recollection was that they were running VxWorks.

Re: awful kconfig help texts.

2012-07-31 Thread Dave Jones
On Tue, Jul 31, 2012 at 07:07:41PM +0200, Borislav Petkov wrote: On Tue, Jul 31, 2012 at 11:16:00AM -0400, Dave Jones wrote: PWM Support (PWM) [N/y/?] (NEW) ? CONFIG_PWM: This enables PWM support through the generic PWM framework. Well that's.. enlightening

post 3.5, phantom signals.

2012-07-31 Thread Dave Jones
Since 3.5, I've started noticing weird things happening with signal delivery. Things I've seen so far.. - long running tasks SIGINT, even though I wasn't even anywhere near the keyboard. - processes running inside screen/tmux disappearing (and taking the whole session with them). And now,

Replace BUG() in mpol_to_str with -EINVAL

2012-08-01 Thread Dave Jones
00 00 00 00 00 85 c9 0f 84 08 01 00 00 48 8b 8a RIP [811a3b16] mpol_to_str+0x156/0x360 Signed-off-by: Dave Jones da...@redhat.com diff --git a/mm/mempolicy.c b/mm/mempolicy.c index bd92431..4ada3be 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2562,7 +2562,7 @@ int mpol_to_str

Re: post 3.5, phantom signals.

2012-08-01 Thread Dave Jones
On Wed, Aug 01, 2012 at 05:11:34PM +0200, Oleg Nesterov wrote: On 07/31, Dave Jones wrote: Since 3.5, I've started noticing weird things happening with signal delivery. Things I've seen so far.. - long running tasks SIGINT, even though I wasn't even anywhere near

Re: tasklist_lock lockdep warnings on 3.6

2012-08-02 Thread Dave Jones
On Mon, Jul 30, 2012 at 04:50:46PM +0200, Sasha Levin wrote: ping? I'm still seeing this on linux-next. Likewise, except I'm seeing it in Linus' tree since shortly after this merge window began. (https://lkml.org/lkml/2012/7/24/443). I've spent all of this last week doing multiple

Re: Fix sel_netnode_insert suspicious rcu dereference.

2012-08-06 Thread Dave Jones
On Tue, Jun 05, 2012 at 01:12:39AM -0400, Dave Jones wrote: I reported this a year ago (https://lkml.org/lkml/2011/4/20/308). It's still a problem apparently ... And another two months pass in silence. This is happening to other people too. https://bugzilla.redhat.com/show_bug.cgi?id=846037

Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch)

2008-01-18 Thread Dave Jones
On Fri, Jan 18, 2008 at 02:34:59PM +0100, Rafael J. Wysocki wrote: On Thursday, 17 of January 2008, Andrew Morton wrote: ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc8/2.6.24-rc8-mm1/ - selinux is busted on one of my two selinux-enabled test machines.

Re: [PATCH] X86: fix typo PAT to X86_PAT

2008-01-18 Thread Dave Jones
On Fri, Jan 18, 2008 at 01:31:40PM +0100, Ingo Molnar wrote: * Yinghai Lu [EMAIL PROTECTED] wrote: thanks. But, i think we should rather do the following: if X86_PAT is eanbled then /proc/mtrr should be read-only. There's no problem _looking_ at MTRR contents, as long as we do

Re: [PATCH] X86: fix typo PAT to X86_PAT

2008-01-18 Thread Dave Jones
On Fri, Jan 18, 2008 at 10:47:05AM -0800, Venki Pallipadi wrote: This exclusion is going to be a real pain in the ass for distro kernels. It's impossible for example to build a kernel that will now support the MTRR-alike registers on the AMD K6/early Cyrix etc and also support PAT.

Re: [PATCH] X86: fix typo PAT to X86_PAT

2008-01-18 Thread Dave Jones
On Fri, Jan 18, 2008 at 10:02:10PM +0100, Ingo Molnar wrote: * Dave Jones [EMAIL PROTECTED] wrote: you mean modifies MTRRs? Which code is that? (besides the /proc/mtrr userspace API) This exclusion is going to be a real pain in the ass for distro kernels. It's

Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch)

2008-01-18 Thread Dave Jones
On Fri, Jan 18, 2008 at 02:34:59PM +0100, Rafael J. Wysocki wrote: On Thursday, 17 of January 2008, Andrew Morton wrote: ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc8/2.6.24-rc8-mm1/ - selinux is busted on one of my two selinux-enabled test machines.

Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 identity map and kernel text

2008-01-18 Thread Dave Jones
On Thu, Jan 10, 2008 at 05:50:41PM -0500, [EMAIL PROTECTED] wrote: (Personally, I keep a copy of Arjan's restrict devmem patch from Fedora around, so I guess that says which camp I belong in, and the fact it's a Fedora patch and not mainstream says something too...) The way that patch

Re: e_powersaver.c

2008-02-15 Thread Dave Jones
On Fri, Feb 15, 2008 at 08:21:03PM +0100, Petr Titěra wrote: Hello, is there some reason for printing current voltage and multiplier of processor after each change? This change was added by commit 553ae38c. If this required for some reason can be this output changed to use

Re: [PATCH 03/11] cpufreq: fix kobject reference count handling

2008-02-21 Thread Dave Jones
all the way. Signed-off-by: Balaji Rao [EMAIL PROTECTED] Cc: Dave Jones [EMAIL PROTECTED] Cc: Yi Yang [EMAIL PROTECTED] Cc: Alan Stern [EMAIL PROTECTED] Cc: Frans Pop [EMAIL PROTECTED] Cc: Yinghai Lu [EMAIL PROTECTED] Cc: Ingo Molnar [EMAIL PROTECTED] Signed-off-by: Greg Kroah

Re: modular intel-agp does not work on my box

2008-02-21 Thread Dave Jones
On Fri, Feb 22, 2008 at 04:27:33AM +0100, Gabriel C wrote: Gabriel C wrote: Dave Airlie wrote: Hi, When building agp* modular ( CONFIG_AGP=y/m and CONFIG_AGP_INTEL=m ) intel-agp does nothing on my box ( Dell Precision WorkStation 530 MT ) chipset is not being detected.

Re: patch kbuild-allow-fstack-protector-to-take-effect.patch added to 2.6.24-stable tree

2008-02-22 Thread Dave Jones
On Fri, Feb 22, 2008 at 03:00:58PM -0800, [EMAIL PROTECTED] wrote: This is a note to let you know that we have just queued up the patch titled Subject: kbuild: allow -fstack-protector to take effect to the 2.6.24-stable tree. Its filename is

Re: [stable] patch kbuild-allow-fstack-protector-to-take-effect.patch added to 2.6.24-stable tree

2008-02-22 Thread Dave Jones
On Fri, Feb 22, 2008 at 03:18:08PM -0800, Greg Kroah-Hartman wrote: On Fri, Feb 22, 2008 at 06:06:04PM -0500, Dave Jones wrote: On Fri, Feb 22, 2008 at 03:00:58PM -0800, [EMAIL PROTECTED] wrote: This is a note to let you know that we have just queued up the patch titled

Re: [stable] patch kbuild-allow-fstack-protector-to-take-effect.patch added to 2.6.24-stable tree

2008-02-22 Thread Dave Jones
On Fri, Feb 22, 2008 at 03:42:16PM -0800, Greg Kroah-Hartman wrote: I thought that thread was for the much larger patches, not just this Makefile change. At the least we'll likely want to also pick up the other stack protector fixes that went into .25rc if we turn it on in

Re: modular intel-agp does not work on my box

2008-02-23 Thread Dave Jones
On Sat, Feb 23, 2008 at 12:03:55AM -0800, Andrew Morton wrote: You are right without EDAC built , agp modular does work fine. I'm on 2.6.25-rc2-00477-g1a4c6be right now. So it is an EDAC bug ? No, it's a failing of the pci driver model. It currently doesn't allow more

Re: modular intel-agp does not work on my box

2008-02-23 Thread Dave Jones
On Sat, Feb 23, 2008 at 08:30:31PM +0100, Gabriel C wrote: What does happen if one builds both into the kernel ? ( eg: all the *_AGP* Y , and all the *_EDAC* y ) Guessing no one of them will work ? First one to init wins. Dave -- http://www.codemonkey.org.uk -- To

boot_delay broken ?

2008-02-23 Thread Dave Jones
The boot_delay switch seems to be behaving strangely in the current -git. Setting it to =10 makes the output 'bursty' it becomes slow for some printk's whilst others scroll by at regular speed. Setting it any higher than that seems to make it pause for a really long time before it outputs any

Re: [BUG] snd-hda-intel

2008-02-23 Thread Dave Jones
On Wed, Feb 13, 2008 at 03:31:31PM +0100, Takashi Iwai wrote: At Wed, 13 Feb 2008 15:25:14 +0100, Peter Zijlstra wrote: lspci -vvv: 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) Is this a regression, i.e. did you get similar

Re: broken suspend in .2.6.25-rc3 on T61p (was Re: new regression in 2.6.25-rc3: no keyboard/lid acpi events on thinkpad T61p)

2008-02-26 Thread Dave Jones
On Tue, Feb 26, 2008 at 11:11:17AM +0100, Pavel Machek wrote: Hi! Andrew is trying to get s2ram to work on Fedora: Please try s2ram, there's good chance it will just work. configure: error: Required libx86 was not found apt-get install libx86-dev?

Re: broken suspend in .2.6.25-rc3 on T61p (was Re: new regression in 2.6.25-rc3: no keyboard/lid acpi events on thinkpad T61p)

2008-02-26 Thread Dave Jones
On Tue, Feb 26, 2008 at 06:59:54PM +0100, Pavel Machek wrote: if by 'custom' you mean the solution everyone agreed to work toward at the power management summit several years ago (hal/pm-utils) then, yes. I must have been on different summit... I believe it is bad to tie s2ram to

Re: broken suspend in .2.6.25-rc3 on T61p (was Re: new regression in 2.6.25-rc3: no keyboard/lid acpi events on thinkpad T61p)

2008-02-26 Thread Dave Jones
On Tue, Feb 26, 2008 at 07:16:11PM +0100, Pavel Machek wrote: On Tue 2008-02-26 13:10:01, Dave Jones wrote: On Tue, Feb 26, 2008 at 06:59:54PM +0100, Pavel Machek wrote: if by 'custom' you mean the solution everyone agreed to work toward at the power management summit several

Re: [stable] [patch 00/59] -stable review

2007-02-04 Thread Dave Jones
On Sat, Feb 03, 2007 at 10:08:28PM -0800, Randy Dunlap wrote: On Fri, 2 Feb 2007 18:59:13 -0800 Chris Wright wrote: * Chris Wright ([EMAIL PROTECTED]) wrote: Responses should be made by Mon Feb 3 02:30 UTC 2007 Yes, that's Mon Feb 5 (thanks to those on their toes ;-) And

Re: 2.6.20-rc7 regression on intel-agp

2007-02-04 Thread Dave Jones
On Sun, Feb 04, 2007 at 04:51:38PM +0100, Eric Piel wrote: Hello, I've got a regression in 2.6.20-rc7 (-rc6 was fine) due to commit 4b95320fc4d21b0ff2f8604305dd6c851aff6096 ([AGPGART] intel_agp: restore graphics device's pci space early in resume). I think the key to this failure is

Re: 2.6.20-rc7 regression on intel-agp

2007-02-04 Thread Dave Jones
On Sun, Feb 04, 2007 at 01:08:46PM -0800, Randy Dunlap wrote: On Sun, 04 Feb 2007 22:00:16 +0100 Eric Piel wrote: 04.02.2007 18:18, Dave Jones wrote/a écrit: On Sun, Feb 04, 2007 at 04:51:38PM +0100, Eric Piel wrote: Hello, I've got a regression in 2.6.20-rc7 (-rc6

Re: 2.6.20-rc6-mm3 BUG in drm_ioctl with Rage 128 card

2007-02-04 Thread Dave Jones
On Sun, Feb 04, 2007 at 02:26:59PM -0500, Eric Buddington wrote: On Sun, Feb 04, 2007 at 11:00:05AM +0100, Thomas Hellstr?m wrote: Eric, Sorry for the breakage. Can you try the attached patch and see if it fixes the problem. /Thomas Thomas, Thanks! That seems to fix

Re: 2.6.20-rc6-mm3 BUG in drm_ioctl with Rage 128 card

2007-02-05 Thread Dave Jones
On Mon, Feb 05, 2007 at 01:56:22PM +0100, Thomas Hellström wrote: Dave Jones wrote: On Sun, Feb 04, 2007 at 02:26:59PM -0500, Eric Buddington wrote: On Sun, Feb 04, 2007 at 11:00:05AM +0100, Thomas Hellstr?m wrote: Eric, Sorry for the breakage. Can you try the attached patch

Re: Eeek! page_mapcount(page) went negative! (-1)

2007-02-05 Thread Dave Jones
On Sun, Feb 04, 2007 at 10:10:58PM -0800, David Liontooth wrote: Two things: a. Can you try a recent/current kernel to see if this happens? b. The Tainted: GF means that a module was forcibly loaded. What module was this? and is it compatible with a 2.6.16.38 kernel? Can you

Re: Free Linux Driver Development!

2007-02-06 Thread Dave Jones
On Tue, Feb 06, 2007 at 07:07:50PM +0530, Sunil Naidu wrote: On 2/5/07, Stefan Seyfried [EMAIL PROTECTED] wrote: On Wed, Jan 31, 2007 at 03:14:31AM +0100, Adrian Bunk wrote: On Tue, Jan 30, 2007 at 05:24:28PM -0800, Greg KH wrote: Wrong. I abandoned all floppy drives some years ago.

Re: [PATCH 01/10] x86: unification of cfufreq/Kconfig

2007-11-05 Thread Dave Jones
On Sun, Nov 04, 2007 at 12:51:11AM +0100, Sam Ravnborg wrote: @@ -26,7 +29,7 @@ config X86_ACPI_CPUFREQ config ELAN_CPUFREQ tristate AMD Elan SC400 and SC410 select CPU_FREQ_TABLE -depends on X86_ELAN +depends on X86_32 X86_ELAN ---help--- This adds

3.5-rc6 printk formatting problem during oom-kill.

2012-07-09 Thread Dave Jones
I noticed that the format of the oom-killer output seems to have changed, and now it spews stuff like.. [49461.758070] lowmem_reserve[]: [49461.758071] 0 [49461.758071] 2643 [49461.758071] 3878 [49461.758072] 3878 [49461.758072] [49461.758072] Node 0 [49461.758075] DMA32 free:50432kB

3.5rc6 cryptomgr_test slab corruption..

2012-07-10 Thread Dave Jones
= BUG kmalloc-32 (Not tainted): Invalid object pointer 0x8801054f6600 - INFO: Slab 0xea0004153d00 objects=45 used=37

Re: 3.5-rc6 printk formatting problem during oom-kill.

2012-07-10 Thread Dave Jones
On Mon, Jul 09, 2012 at 01:56:31PM -0700, Greg Kroah-Hartman wrote: That single patch doesn't apply cleanly to Linus' 8c84bf4166a4698296342841a549bbee03860ac0 What else is necessary? Your tree seems to have a collection of random patches. It might be

3.5-rc6: kernel BUG at kernel/timer.c:711!

2012-07-11 Thread Dave Jones
[34323.844970] [ cut here ] [34323.84] kernel BUG at kernel/timer.c:711! [34323.846110] invalid opcode: [#1] PREEMPT SMP [34323.846657] CPU 6 [34323.846670] Modules linked in: [34323.853968] ebtables [34323.866941] xt_cpu [34323.890355] msdos [34323.920927]

3.5-rc6 dentry related GPF

2012-07-11 Thread Dave Jones
I just triggered this using my fuzzing tool. To give it some more interesting things to chew on, I had first loaded every module I had built. This is why the P and C flags are tainted (patch sent to netdev for the 'P' in nci.ko). (The W flag was a warning from networking about an MAX_ORDER

Re: 3.5-rc6 dentry related GPF

2012-07-11 Thread Dave Jones
On Wed, Jul 11, 2012 at 12:10:12PM -0700, Linus Torvalds wrote: On Wed, Jul 11, 2012 at 11:32 AM, Dave Jones da...@redhat.com wrote: What's puzzling me though is how we got from do_dentry_open to try_module_get ? It's the f-f_op = fops_get(inode-i_fop); that does

3.5-rc6 configfs BUG_ON

2012-07-11 Thread Dave Jones
kernel BUG at fs/configfs/dir.c:59! invalid opcode: [#1] PREEMPT SMP CPU 4 Modules linked in: ebtable_nat nf_tproxy_core hfsplus ppp_synctty async_tx raid6_pq raid10 shpchp fakephp aer_inject ptp pps_core target_core_file target_core_iblock target_core_pscsi tcm_loop target_core_mod

Re: 3.5-rc6 printk formatting problem during oom-kill.

2012-07-11 Thread Dave Jones
On Mon, Jul 09, 2012 at 08:48:51PM +0200, Kay Sievers wrote: On Mon, 2012-07-09 at 20:27 +0200, Kay Sievers wrote: On Mon, Jul 9, 2012 at 8:03 PM, Dave Jones da...@redhat.com wrote: I noticed that the format of the oom-killer output seems to have changed, and now it spews stuff

Re: 3.5-rc6 printk formatting problem during oom-kill.

2012-07-12 Thread Dave Jones
On Thu, Jul 12, 2012 at 03:52:17PM +0200, Kay Sievers wrote: On Thu, Jul 12, 2012 at 2:54 AM, Dave Jones da...@redhat.com wrote: On Mon, Jul 09, 2012 at 08:48:51PM +0200, Kay Sievers wrote: It looks fine here with the above mentioned patch: Now that that patch is in Linus tree

Re: 3.5-rc6 printk formatting problem during oom-kill.

2012-07-12 Thread Dave Jones
On Thu, Jul 12, 2012 at 06:47:57PM +0200, Kay Sievers wrote: Also, I have no idea how the hell the 'Modules linked in:' line (9th line) ended up being printed /after/ the module listing began (2nd line). They do not belong together. The second line is just another call to

Re: oops in kernel ( 3.4.x - 3.5rc )

2012-07-20 Thread Dave Jones
On Fri, Jul 20, 2012 at 11:56:06AM +0200, nicolas prochazka wrote: [ 2384.900061] BUG: unable to handle kernel paging request at 0001002f That '1' looks like a random bit flip. Try running memtest86. [ 2384.910010] Pid: 23838, comm: queue.sh Tainted: G D W This wasn't the

Re: 3.5-rc6 futex_wait_requeue_pi oops.

2012-07-20 Thread Dave Jones
On Thu, Jul 19, 2012 at 11:53:45PM -0700, Darren Hart wrote: I'll add a fix to that WARN_ON in my futex-fixes branch along with the fix for the bug Dan found. I think I have root cause. futex_wait_requeue_pi() doesn't like having uaddr == uaddr2. The handle_early_wakeup()

lockdep trace from posix timers

2012-07-24 Thread Dave Jones
Linus tree as of 5fecc9d8f59e765c2a48379dd7c6f5cf88c7d75a Dave == [ INFO: HARDIRQ-safe - HARDIRQ-unsafe lock order detected ] 3.5.0+ #122 Not tainted -- trinity-child2/5327

Remove unnecessary WARN_ONCE's from tracing_buffers_splice_read

2012-07-25 Thread Dave Jones
WARN shouldn't be used as a means of communicating failure to a userspace programmer. Signed-off-by: Dave Jones da...@redhat.com diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index ed7b5d1..a745317 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4136,13 +4136,11

Re: selinux_inode_setxattr oops.

2012-07-25 Thread Dave Jones
On Sat, Jun 09, 2012 at 08:15:16AM +0100, Al Viro wrote: On Mon, Jun 04, 2012 at 05:57:29PM -0400, Dave Jones wrote: More syscall fuzzing fallout.. BUG: unable to handle kernel paging request at IP: [812cf3f6] selinux_inode_setxattr+0x196/0x200 PGD

rs600 warn on while booting 3.7-rc8

2012-12-08 Thread Dave Jones
[ 66.104790] WARNING: at drivers/gpu/drm/radeon/rs600.c:571 rs600_irq_set+0x1e2/0x200() [ 66.105748] Hardware name: GA-MA78GM-S2H [ 66.106220] Can't enable IRQ/MSI because no handler is installed [ 66.106935] Modules linked in: [ 66.107329] Pid: 43, comm: kworker/0:1 Not tainted

Re: livelock in __writeback_inodes_wb ?

2012-12-11 Thread Dave Jones
On Tue, Dec 11, 2012 at 04:23:27PM +0800, Fengguang Wu wrote: On Wed, Nov 28, 2012 at 09:55:15AM -0500, Dave Jones wrote: We had a user report the soft lockup detector kicked after 22 seconds of no progress, with this trace.. Where is the original report? The reporter may help provide

null dereference at r100_debugfs_cp_ring_info+0x115/0x140

2012-12-11 Thread Dave Jones
(Taint comes from previous r600 bug reported here https://lkml.org/lkml/2012/12/8/131) [35662.070628] BUG: unable to handle kernel NULL pointer dereference at (null) [35662.071719] IP: [814761e5] r100_debugfs_cp_ring_info+0x115/0x140 [35662.072652] PGD b4c17067 PUD b69d1067

3.7 XFS lockdep trace

2012-12-11 Thread Dave Jones
This says rc8+, but it's just missing the Makefile change, so it's still there in 3.7 Curious that firefox was the process mentioned here, as ~/.mozilla isn't on xfs. My only xfs partition is /data holding a kernel source tree .ccache Dave [30557.769727]

[PATCH] Print loaded modules when we encounter a bad page map.

2012-12-11 Thread Dave Jones
When we see reports like https://bugzilla.redhat.com/show_bug.cgi?id=883576 it might be useful to know what modules had been loaded, so they can be compared with similar reports to see if there is a common suspect. Signed-off-by: Dave Jones da...@redhat.com diff --git a/mm/memory.c b/mm/memory.c

3.7 watchdog debugobjects warning

2012-12-11 Thread Dave Jones
Looks like we're doing a double-init on a timer. I had been experimenting with powertop, so that may have triggered something maybe suspend/resume related ? (says -rc8, but it's only missing the Makefile change) [14844.560489] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8c/0xb0()

Re: pi futex oops in __lock_acquire

2012-11-20 Thread Dave Jones
On Wed, Oct 24, 2012 at 09:44:07PM -0700, Darren Hart wrote: I've been able to trigger this for the last week or so. Unclear whether this is a new bug, or my fuzzer got smarter, but I see the pi-futex code hasn't changed since the last time it found something.. BUG: unable to

Re: pi futex oops in __lock_acquire

2012-11-21 Thread Dave Jones
On Wed, Nov 21, 2012 at 09:37:40AM -0800, Darren Hart wrote: I've sent a patch to address this. It has now been running trinity -c futex for about 12 hours. I haven't seen any more futex failures Looks good here too. but I have seen a few OOMs. Is that expected from trinity? Yeah, seems

Re: [PATCH] Tell the world we gave up on pushing CC_OPTIMIZE_FOR_SIZE

2012-11-23 Thread Dave Jones
On Thu, Nov 22, 2012 at 12:10:41PM +0400, Kirill Smelkov wrote: Linus, maybe you missed this. What is the reason telling people CC_OPTIMIZE_FOR_SIZE should be Y if we actually do otherwise? commit 281dc5c5ec0fb299514567cbc358562649c1af95 Author: Linus Torvalds

BUG_ON(inode-i_blocks);

2012-11-27 Thread Dave Jones
Hugh, We had a user report hitting the BUG_ON at the end of shmem_evict_inode. I see in 3.7 you changed this to a WARN instead. Does the trace below match the one you described chasing in commit 0f3c42f522dc1ad7e27affc0a4aa8c790bce0a66 ? Full report at

livelock in __writeback_inodes_wb ?

2012-11-28 Thread Dave Jones
We had a user report the soft lockup detector kicked after 22 seconds of no progress, with this trace.. :BUG: soft lockup - CPU#1 stuck for 22s! [flush-8:16:3137] :Pid: 3137, comm: flush-8:16 Not tainted 3.6.7-4.fc17.x86_64 #1 :RIP: 0010:[812eeb8c] [812eeb8c]

mutex warning in intel_cacheinfo.c:cpu_list_show

2012-12-17 Thread Dave Jones
(At least I think that's where 'cpu_list_show' comes from... those preprocessor tricks confuse ctags) Just started seeing this today.. (fwiw, cpu is a Phenom(tm) 9750) Dave WARNING: at kernel/mutex.c:198 mutex_lock_nested+0x39c/0x3b0() Hardware name: GA-MA78GM-S2H Modules linked in:

CPU hotplug lockdep trace during offline.

2012-12-20 Thread Dave Jones
From Linus' tree as of a half hour ago. echo 0 /sys/devices/system/cpu/cpu1/online [ 67.675171] == [ 67.676121] [ INFO: possible circular locking dependency detected ] [ 67.677084] 3.7.0+ #34 Not tainted [ 67.677641]

nfsd oops on Linus' current tree.

2012-12-21 Thread Dave Jones
Did a mount from a client (also running Linus current), and the server spat this out.. [ 6936.306135] [ cut here ] [ 6936.306154] WARNING: at net/sunrpc/clnt.c:617 rpc_shutdown_client+0x12a/0x1b0 [sunrpc]() [ 6936.306156] Hardware name: [ 6936.306157] Modules

schedule_timeout: wrong timeout value fffffffffffffff0

2013-01-02 Thread Dave Jones
This happened to a box I left running fuzz tests over the holidays. schedule_timeout: wrong timeout value fff0 Pid: 6606, comm: trinity-child1 Not tainted 3.8.0-rc1+ #43 Call Trace: [81698415] schedule_timeout+0x305/0x340 [8169ae82] ? preempt_schedule+0x42/0x60

WARNING: at drivers/tty/tty_buffer.c:476 (tty is NULL)

2013-01-02 Thread Dave Jones
This happened a few times to my test boxes I left running over the holidays.. [ 8419.797533] [ cut here ] [ 8419.798341] WARNING: at drivers/tty/tty_buffer.c:476 flush_to_ldisc+0x1de/0x1f0() [ 8419.800313] Hardware name: GA-MA78GM-S2H [ 8419.800887] tty is NULL [

memory corruption, possibly caused by i915

2013-01-02 Thread Dave Jones
We've had a increased number of reports in the last six months or so from Fedora users getting corrupted page tables. At first I wrote it off to bad hardware, but they started happening frequently enough that I began to wonder if it was a real problem. The only common thing I could think of was

order 4 alloc failures in security_context_to_sid_core

2013-01-02 Thread Dave Jones
Along the same lines as 779302e67835fe9a6b74327e54969ba59cb3478a, xattrs can cause big allocations, which are likely to fail under memory pressure.. [20539.081122] trinity-child3: page allocation failure: order:4, mode:0x1040d0 [20539.090405] Pid: 27617, comm: trinity-child3 Not tainted

Re: memory corruption, possibly caused by i915

2013-01-02 Thread Dave Jones
On Wed, Jan 02, 2013 at 11:01:15AM -0500, Chris Mason wrote: [52460.280346] BUG: Bad page map in process panel-6-systray pte:8800b665a0e8 pmd:b6659067 [52460.280848] addr:0038bf3fd000 vm_flags:0070 anon_vma: (null) mapping:88011052fd98 index:1fd

oops in copy_page_rep()

2013-01-05 Thread Dave Jones
I have no idea what happened here, but this is the first time I've seen this one. This was running a tree pulled yesterday afternoon. BUG: unable to handle kernel paging request at 880100201000 IP: [81333235] copy_page_rep+0x5/0x10 PGD 1c0c063 PUD cfbff067 PMD cfc01067 PTE

WARNING: at drivers/tty/tty_buffer.c:476 flush_to_ldisc+0x1de/0x1f0()

2012-12-11 Thread Dave Jones
Fuzz-testing fallout from post 3.7 tree as of commit 414a6750e59b0b687034764c464e9ddecac0f7a6 [ 2181.230579] [ cut here ] [ 2181.231277] WARNING: at drivers/tty/tty_buffer.c:476 flush_to_ldisc+0x1de/0x1f0() [ 2181.232358] Hardware name: GA-MA78GM-S2H [ 2181.232925] tty

Re: Thermal: Add a thermal notifier for user space

2012-12-12 Thread Dave Jones
On Wed, Dec 12, 2012 at 06:05:47PM +, Linux Kernel wrote: Gitweb: http://git.kernel.org/linus/;a=commit;h=1cc807a234cb988d69ba18f6a3a1c68d71e54bed Commit: 1cc807a234cb988d69ba18f6a3a1c68d71e54bed Parent: e151a202a084f9f4310d1aa4398325c56ca95fda Author: Durgadoss R

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