work, but the following patch fixed it for me.
What about Z = z ?
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Does the following change do what I think that it does?
Thank you!
Author: Andriy Gapon a...@icyb.net.ua
Date: Thu Sep 1 16:50:13 2011 +0300
ukbd: drop local duplicate of kern_yield and use that instead
diff --git a/sys/dev/usb/input/ukbd.c b/sys/dev/usb/input/ukbd.c
index 086c178
on 11/12/2011 23:48 m...@freebsd.org said the following:
On Sun, Dec 11, 2011 at 1:12 PM, Andriy Gapon a...@freebsd.org wrote:
Does the following change do what I think that it does?
Thank you!
Author: Andriy Gapon a...@icyb.net.ua
Date: Thu Sep 1 16:50:13 2011 +0300
ukbd: drop local
/d td-td_user_pri
$10 = 139
(kgdb) p/d td-td_base_pri
$11 = 84
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on 13/12/2011 00:21 Andriy Gapon said the following:
on 12/12/2011 21:09 Hans Petter Selasky said the following:
On Monday 12 December 2011 20:05:38 John Baldwin wrote:
Hi,
hselasky@ or someone else familiar with the various usb threads would
have to answer that.
The problem is only
on 13/12/2011 10:17 Andriy Gapon said the following:
on 13/12/2011 00:21 Andriy Gapon said the following:
[snip]
And in the view of the below data I would like us to revisit this problem.
I looked over usb code and it seems that all usb threads are created with
priorities of either USB_PRI_MED
on 14/12/2011 23:56 Hans Petter Selasky said the following:
On Wednesday 14 December 2011 16:37:50 Andriy Gapon wrote:
So, Hans Petter, do you recall any details of this problem?
I am curious about which thread got starved by which.
From what I know this was 100% reproducible.
Remove
on 16/12/2011 00:56 Hans Petter Selasky said the following:
On Thursday 15 December 2011 15:17:01 Andriy Gapon wrote:
Hmm... I looked at the history of ukbd.c (which I should have done from the
very start) and I see two relevant revisions:
http://svnweb.freebsd.org/base/head/sys/dev/usb/input
);
return (retval);
So we are in a polling mode and Giant is not owned by us (T2) because it is
owned by T1 and so mtx_lock would be called and then we would probably get into
a recursion via mi_switch and kdb_reenter.
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Replying further...
on 16/12/2011 00:56 Hans Petter Selasky said the following:
On Thursday 15 December 2011 15:17:01 Andriy Gapon wrote:
Hmm... I looked at the history of ukbd.c (which I should have done from the
very start) and I see two relevant revisions:
http://svnweb.freebsd.org/base
, MOD_SHUTDOWN);
MOD_SUNLOCK;
mtx_unlock(Giant);
}
and wonder why RB_NOSYNC is overloaded to mean that no
MOD_SHUTDOWN/device_shutdown cleanup should be done?
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. Thank you!
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on 18/12/2011 19:39 Hans Petter Selasky said the following:
On Sunday 18 December 2011 11:58:57 Andriy Gapon wrote:
on 17/12/2011 19:06 Hans Petter Selasky said the following:
If the problem is only in UKBD driver, I don't think this is a big
problem to solve. The reason for the auto-magic
on 20/12/2011 16:11 John Baldwin said the following:
On Saturday, December 17, 2011 6:07:51 pm Andriy Gapon wrote:
[snip]
and wonder why RB_NOSYNC is overloaded to mean that no
MOD_SHUTDOWN/device_shutdown cleanup should be done?
Presumably most device_shutdown handlers were used for syncing
of FreeBSD community/project/thing to change its
ways, but perhaps a little bit more realistic. You can bond with similarly
minded organizations to share costs/work/etc. It's a community-driven project
after all.
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or the bugs are reproducible in any of the
supported branches.
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and get them to do this for you. Otherwise you're just
re-iterating the same stuff I'm sure all the developers know but are
just out of manpower/time/money/resources to do anything about.
Adrian
(who _did_ step up and take over a subsystem, so I'm speaking from
recent experience.)
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on 18/01/2012 01:36 Ian Lepore said the following:
On Wed, 2012-01-18 at 01:17 +0200, Andriy Gapon wrote:
on 17/01/2012 23:46 Ian Lepore said the following:
Now, before we're even really completely up and running on 8.2 at work,
9.0 hits the street, and developers have moved on to working
dozens of active FreeBSD developers. Maybe less for any
given particular point in time (as opposed to a period of time).
And dealing with PRs is not always exciting.
Need I continue?
P.S. Using GNATS for the PR database doesn't help either, in some technical
ways.
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something that would be a complete re-write, but something that you
would super-want.
IMO, it's the whole purpose of our present stable branches policy to let users
try/test/use new/advanced features sooner, all while having a choice.
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viable. Perhaps iXsystems is already it.
P.S. I've just learned a new word, from the Debian people - Do-o-cracy as in
the doer decides. Seeing some references to a mythical FreeBSD leadership
in this thread I couldn't resist a temptation to mention this word.
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this could be the same person who then cuts a release from the branch.
IMO.
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on 18/01/2012 12:54 Igor Mozolevsky said the following:
On 18 January 2012 09:25, Andriy Gapon a...@freebsd.org wrote:
on 18/01/2012 02:16 Igor Mozolevsky said the following:
Seriously, WTF is the point of having a PR system that allows patches
to be submitted??! When I submit a patch I fix
it yourself
Brib^H^H^H^HDonate cool hardware to community members
Brib^H^H^H^HPay cool cash to community members
Employ community members
Employ people to become community members
Ohh, and:
Shut up and code
+500.
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on 18/01/2012 13:54 Igor Mozolevsky said the following:
On 18 January 2012 11:08, Andriy Gapon a...@freebsd.org wrote:
on 18/01/2012 12:54 Igor Mozolevsky said the following:
[snip]
There are about 5000 open PRs for FreeBSD base system, maybe more.
There are only a few dozens of active
it from their own repo.
I am totally against this.
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spoiled. They don't want just the code anymore. They want QA, they
want stability, they want schedules...
:-)
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on 19/01/2012 15:21 Andrey Smagin said the following:
Hi ALL.
Have FreeBSD internal time counters for calculate subj ?
How determine wich mutexes wait lot of time ?
LOCK_PROFILING(9) looks like what you want.
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.
This is not necessarily a FreeBSD question, but would like to hear any
thoughts/pointers.
See this:
http://www.intel.com/content/dam/doc/datasheet/5-chipset-3400-chipset-datasheet.pdf
Search for NMI2SMI_EN. Maybe it's what you want.
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those threads so that they share a cache.
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on 11/02/2012 15:35 Andriy Gapon said the following:
It seems that on modern CPUs the caches are either inclusive or some smart as
if inclusive caches. As a result, if two cores have a shared cache at any
level, then it should be relatively cheap to move a thread from one core to
the
other
?
In other words, how hard it would be to replace ticks with e.g. bintime as an
internal representation of time in callout(9) [leaving interfaces alone for the
start]? Is it easier to retrofit that code or to replace it with something new?
Thank you.
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on 18/02/2012 21:42 Alexander Motin said the following:
On 18.02.2012 21:05, Andriy Gapon wrote:
Just want to double-check myself.
It seems that currently, thanks to event timers, we mostly should be able to
schedule a hardware timer to fire at almost arbitrary moment with very fine
precision
init_embedded_server, so the problem is relevant
for embedded mysql case. It is relevant for mysql server too, of course.
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moused to a higher priority would help as well...
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?
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, but the comment says to not define MAX_PAGEOUT_CLUSTER to a value greater
than 32, but you did that. So all bets could be off unless you examined the
code and know exactly what should happen in this case.
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on 29/02/2012 11:47 Karl Pielorz said the following:
http://www.tdx.com/x8dtl-if.txt
So the cause is that ukbd driver tries to attach after the mountroot stage.
The symptom is obvious, a fix is not.
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another project.
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://article.gmane.org/gmane.comp.kde.freebsd/20645
TLDR: some software may depend on libssl.so.${SHLIB_VERSION_NUMBER } being
correct.
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of management of
boot environments.
I am particularly interested in reviews of my attempt to make ZFS boot support
arch-independent. The arches, of course, would have to add some code to make
use of that support. Currently I only enabled it for x86.
Thank you very much!
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on 14/04/2012 18:37 Andriy Gapon said the following:
I would like to ask for a review and/or testing of the following three
patches:
http://people.freebsd.org/~avg/zfsboot.patches.diff
These patches add support for booting from an arbitrary filesystem of any
detected ZFS pool
on 16/04/2012 16:56 John Baldwin said the following:
On Saturday, April 14, 2012 1:35:35 pm Andriy Gapon wrote:
on 14/04/2012 18:37 Andriy Gapon said the following:
I would like to ask for a review and/or testing of the following three
patches:
http://people.freebsd.org/~avg
on 17/04/2012 23:43 John Baldwin said the following:
On Tuesday, April 17, 2012 4:22:19 pm Andriy Gapon wrote:
We already have a flag for ZFS (KARGS_FLAGS_ZFS, 0x4). So the new flag
could be
named something ZFS-specific (as silly as KARGS_FLAGS_ZFS2) or something more
general
on 14/04/2012 18:37 Andriy Gapon said the following:
I would like to ask for a review and/or testing of the following three
patches:
http://people.freebsd.org/~avg/zfsboot.patches.diff
I've put a new version of the patch here:
http://people.freebsd.org/~avg/zfsboot.patches.2.diff
Most
different from how FreeBSD kernel
gets booted.
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symbols in it and
thus will override the weak definitions with the strong ones.
This is something that was unexpected to me.
Some references:
http://webpages.charter.net/ppluzhnikov/linker.html
http://glandium.org/blog/?p=2388
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for defined
weak symbols too.
Thank you for the quote!
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:-)
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on 18/04/2012 17:40 Ian Lepore said the following:
On Wed, 2012-04-18 at 17:36 +0300, Andriy Gapon wrote:
on 18/04/2012 17:22 Ian Lepore said the following:
YES! A size field (preferably as the first field in the struct) along
with a flag to indicate that it's a new-style boot info struct
...
Only security issues and severe bugs affecting majority of the users get into
patch releases. Normal bug fixes (should) get into the next release.
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on 23/04/2012 00:21 Marius Strobl said the following:
On Sat, Apr 14, 2012 at 06:37:54PM +0300, Andriy Gapon wrote:
[snip]
I am particularly interested in reviews of my attempt to make ZFS boot
support
arch-independent. The arches, of course, would have to add some code to make
use
(DIOCGMEDIASIZE) to the disk devsw.
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) does but
oriented towards programmatic use rather than end-user. Maybe all that
partition
table parsing should be done only once (e.g. in the init method) and the result
should be saved.
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http
different. In other
words, I'm basically ready to commit the following patch. As for
zfs_dev_init() this just wraps it in #if defined(__amd64__) ||
defined(__i386__) in zfs.c for now.
http://people.freebsd.org/~marius/boot_zfs_sparc64.diff
OK, let's do it this way.
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review and/or test this patch?
I will greatly appreciate any discussion, suggestions, help.
I again invite everyone else to take part in the review and testing.
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on 03/05/2012 18:02 Andriy Gapon said the following:
Here's the latest version of the patches:
http://people.freebsd.org/~avg/zfsboot.patches.4.diff
I've found a couple of problems in the previous version, so here's another one:
http://people.freebsd.org/~avg/zfsboot.patches.5.diff
on 04/05/2012 18:25 John Baldwin said the following:
On Thursday, May 03, 2012 11:23:51 am Andriy Gapon wrote:
on 03/05/2012 18:02 Andriy Gapon said the following:
Here's the latest version of the patches:
http://people.freebsd.org/~avg/zfsboot.patches.4.diff
I've found a couple of problems
on 05/05/2012 12:31 Andriy Gapon said the following:
on 04/05/2012 18:25 John Baldwin said the following:
On Thursday, May 03, 2012 11:23:51 am Andriy Gapon wrote:
on 03/05/2012 18:02 Andriy Gapon said the following:
Here's the latest version of the patches:
http://people.freebsd.org/~avg
on 05/05/2012 13:49 Bruce Evans said the following:
On Sat, 5 May 2012, Andriy Gapon wrote:
on 04/05/2012 18:25 John Baldwin said the following:
On Thursday, May 03, 2012 11:23:51 am Andriy Gapon wrote:
on 03/05/2012 18:02 Andriy Gapon said the following:
Here's the latest version
on 07/05/2012 16:53 John Baldwin said the following:
On Saturday, May 05, 2012 5:53:07 am Andriy Gapon wrote:
[snip]
The new patchset: http://people.freebsd.org/~avg/zfsboot.patches.7.diff
Looks great, thanks! A few replies below:
Here's a followup patch for the suggestions:
http
on 07/05/2012 17:47 Andriy Gapon said the following:
on 07/05/2012 16:53 John Baldwin said the following:
Ok. Maybe add one comment to the bootargs.h head to explain that the
'bootargs'
struct starts at ARGOFF and can grow up, while struct bootinfo is copied
such that
it's end
on 07/05/2012 20:43 John Baldwin said the following:
On Monday, May 07, 2012 10:47:05 am Andriy Gapon wrote:
on 07/05/2012 16:53 John Baldwin said the following:
[snip]
What do you think about the -LOCORE- change that Bruce inspired?
In general I think this looks good. I have only one
this stuff soon.
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that it should be done?
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on 09/05/2012 14:28 John Baldwin said the following:
On 5/9/12 5:32 AM, Andriy Gapon wrote:
Here is a subversion diff to make use of the new bootargs.h header in pc98
cdboot and loader, and i386 cdboot and pxeldr:
http://people.freebsd.org/~avg/bootargs.diff
Could you please review
on 10/05/2012 18:17 John Baldwin said the following:
On 5/10/12 5:41 AM, Andriy Gapon wrote:
on 09/05/2012 14:28 John Baldwin said the following:
On 5/9/12 5:32 AM, Andriy Gapon wrote:
Here is a subversion diff to make use of the new bootargs.h header in pc98
cdboot and loader, and i386
After all the preparatory changes are committed, this is a final[*]
notice/warning that I am going to start committing the following patchset really
soon now[**[:
http://people.freebsd.org/~avg/zfsboot.patches.9.diff
[*] unless circumstances change
[**] maybe next hour, even
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on 25/01/2012 23:52 Andriy Gapon said the following:
on 24/01/2012 14:32 Gleb Smirnoff said the following:
Yes, now:
Rebooting...
lock order reversal:
1st 0x80937140 smp rendezvous (smp rendezvous) @
/usr/src/head/sys/kern/kern_shutdown.c:542
2nd 0xfe0001f5d838 uart_hwmtx
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KTR and KTR_SCHED in GENERIC.
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on 31/05/2012 15:48 Ryan Stone said the following:
On Thu, May 31, 2012 at 8:33 AM, Andriy Gapon a...@freebsd.org wrote:
In this vein it might make sense to enable KTR and KTR_SCHED in GENERIC.
KTR_SCHED comes with a performance hit.
Yep, I realize that. But I hope that it is not too huge
and/or application startup logic.
But to ensure that the option is always honored I've also added ultimate
protection to syscons that prohibits KDSETMODE/KD_GRAPHICS ioctl.
What do you think?
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http
on 07/06/2012 11:47 Konstantin Belousov said the following:
On Thu, Jun 07, 2012 at 10:45:26AM +0300, Andriy Gapon wrote:
It's long been a wish of mine to have an ability to decide at boot time that
a
system should boot in console-only mode. That is, that no graphics/X
applications like
rc.pf_enable=no
Then introduce x_enable knob (=yes by default) to disable login
managers. User will be able to override this setting with
# service xdm forcestart
I think that this is an excellent idea.
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. Why provide a way to do something using one command at one prompt
(or even toggling a menu option using a single keystroke) when you can already
do the same using multiple commands at multiple places (and also trying to not
forget to undo your changes later)...
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on 09/06/2012 04:16 Jason Hellenthal said the following:
runlevel support might be a better solution so it does not differ that
much from what other systems do and would be easy for people to grasp.
Patches are welcome, as always.
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.
Thank you!
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on 09/06/2012 17:45 Marcin Wisnicki said the following:
On Thu, 07 Jun 2012 12:57:41 +0300, Gleb Kurtsou wrote:
On (07/06/2012 11:56), Andriy Gapon wrote:
A user doesn't have to select the option unless he needs to. A simple
user can just reboot without selecting the option to get back his X
on 10/06/2012 16:27 Fabian Keil said the following:
Andriy Gapon a...@freebsd.org wrote:
It seems that the $subj is missing :-)
In my environment that causes many functions to not have fbt return probe,
because function body decoding fails before 'ret' is found.
Here is my attempt
on 10/06/2012 19:38 Andriy Gapon said the following:
From a quick look at them they all seem to really never return. Either they
are
noreturn type such panic, or functions that always call the functions of the
first type, or functions with endless loops in them such as top level
functions
on 10/06/2012 20:56 Fabian Keil said the following:
Andriy Gapon a...@freebsd.org wrote:
on 10/06/2012 16:27 Fabian Keil said the following:
Andriy Gapon a...@freebsd.org wrote:
It seems that the $subj is missing :-)
In my environment that causes many functions to not have fbt return probe
on 10/06/2012 21:42 Fabian Keil said the following:
How did you set your -O1?
In CFLAGS.
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on 10/06/2012 23:40 Ryan Stone said the following:
On Sun, Jun 10, 2012 at 12:38 PM, Andriy Gapon a...@freebsd.org wrote:
Interesting observations, thank you.
Do you use -O2 or higher optimization for kernel/modules build?
I use only -O1.
Here are some stats from my system:
$ dtrace -ln fbt
or if nobody just bothered.
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process that could be
parallelized
or eliminated.
Anyone have any suggestions?
Do you have a breakdown of the boot time between pre-loader, loader, kernel and
rc stages?
Note: This isn't really an issue, moreso a curiosity.
Ditto. :-)
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no in my book.
I understand your point. On the other hand, I find the proposed change to have
measurable benefit and insignificant cost. This is yes in my book.
Please also note that I am not asking you to do any work.
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on 27/06/2012 07:50 Andrey V. Elsukov said the following:
Also we still haven't any tool to install zfsboot.
Yeah, I think it would be nice if ZFS provided some interface (ioctl?) to
properly write stuff to its special areas.
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);
Just to add some noise to the signal - my personal opinion is that nfs support
doesn't have to be in dtraceall. Maybe in something all-er :-)
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and/or safest feature set. But this
has to be done very carefully to ensure that module-kernel*s* compatibility
actually occurs.
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way of building modules, but traditionally we keep it
working.
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Andriy Gapon
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on 12/07/2012 22:36 Fabian Keil said the following:
Andriy Gapon a...@freebsd.org wrote:
on 12/07/2012 21:17 Fabian Keil said the following:
Benjamin Kaduk ka...@mit.edu wrote:
On Wed, 11 Jul 2012, Fabian Keil wrote:
I'm using the following modification of Sean's patch:
This way
on 12/07/2012 22:44 Fabian Keil said the following:
Andriy Gapon a...@freebsd.org wrote:
on 12/07/2012 22:36 Fabian Keil said the following:
Andriy Gapon a...@freebsd.org wrote:
on 12/07/2012 21:17 Fabian Keil said the following:
Benjamin Kaduk ka...@mit.edu wrote:
On Wed, 11 Jul 2012
in the
correct direction.
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Andriy Gapon
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on 16/07/2012 13:57 Andrey V. Elsukov said the following:
On 16.07.2012 14:23, Andriy Gapon wrote:
on 26/06/2012 15:50 Andrey V. Elsukov said the following:
3. ZFS code now uses new API and probing on the systems with many disks
should be greatly increased:
zfs/zfs.c
i386
on 16/07/2012 14:14 Andrey V. Elsukov said the following:
On 16.07.2012 15:05, Andriy Gapon wrote:
2. I am not sure if I like the approach of moving partition tasting code
into
common ZFS code (zfs.c). On one hand, it now makes sense because the new
partition iteration code is machine
what
over-quoting is :-)
The reason I'm asking is because darwin's bsd subsystem uses the callout
framework for its kqueue implementation and the periodic timer is of
course broken.
Davide
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Including signatures into quotes is a sign of a bad mail user agent.
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Andriy
stressing only ada disks at the
moment.
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Andriy Gapon
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bio transformations in the original thread as much
as possible, defer work to the GEOM thread as the last resort.
monolithic locking in CAM right now prevents this from actually happening,
though that's a topic that needs to be revisited.
On Jul 25, 2012, at 1:27 PM, Andriy Gapon wrote
a totally different
topic).
But then, of course, for the less capable hardware the disksort could still be a
significant factor.
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Andriy Gapon
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