sometime in April.
Thanks,
Chandrakala
-Original Message-
From: Jens Axboe [mailto:[EMAIL PROTECTED]
Sent: Tuesday, February 05, 2008 4:09 PM
To: S, Chandrakala (STSD)
Cc: Kiyoshi Ueda; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-ide@vger.kernel.org; Miller, Mike (OS
Dev
through the block
repo, since they are not trivial. Wont be until the week after next,
though.
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On Tue, Feb 05 2008, S, Chandrakala (STSD) wrote:
Hello,
We would like to know in which kernel version these patches are
available.
They were merged after 2.6.24 was released, so they will show up in the
2.6.25 kernel.
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))
BUG();
HWGROUP(drive)-rq = NULL;
spin_unlock_irqrestore(ide_lock, flags);
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On Thu, Jan 31 2008, Florian Lohoff wrote:
On Thu, Jan 31, 2008 at 02:05:58PM +0100, Jens Axboe wrote:
The below fix should be enough. It's perfectly legal to have leftover
byte counts when the drive signals completion, happens all the time for
eg user issued commands where you don't know
On 31/01/2008, at 18.04, Kiyoshi Ueda [EMAIL PROTECTED] wrote:
Hi Jens,
On Thu, 31 Jan 2008 14:05:58 +0100, Jens Axboe wrote:
On Thu, Jan 31 2008, Nai Xia wrote:
My dmesg relevant info is quite similar:
[6.875041] Freeing unused kernel memory: 320k freed
[8.143120] ide-cd: rq
On Thu, Dec 20 2007, Bartlomiej Zolnierkiewicz wrote:
* Move lba_to_msf() and msf_to_lba() to linux/cdrom.h
(use 'u8' type instead of 'byte' while at it).
* Remove msf_to_lba() copy from drivers/cdrom/cdrom.c.
Cc: Jens Axboe [EMAIL PROTECTED]
Signed-off-by: Bartlomiej Zolnierkiewicz
data
having changed.
Why not just bisect it?
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On Thu, Dec 13 2007, Mark Lord wrote:
Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Matthew Wilcox wrote:
On Thu, Dec 13, 2007 at 01:48:18PM -0500, Mark Lord wrote:
Problem confirmed. 2.6.23.8 regularly generates segments up to
64KB for libata,
but 2.6.24 uses
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Matthew Wilcox wrote:
On Thu, Dec 13, 2007 at 01:48:18PM -0500, Mark Lord wrote:
Problem confirmed. 2.6.23.8 regularly
On Thu, Dec 13 2007, Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Matthew Wilcox wrote:
On Thu, Dec 13, 2007 at 01:48:18PM -0500, Mark Lord
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Matthew Wilcox wrote:
On Thu, Dec 13, 2007 at 01:48:18PM -0500
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Jens Axboe wrote:
On Thu, Dec 13 2007, Mark Lord wrote:
Mark Lord wrote:
Jens Axboe wrote:
On Thu
On Thu, Dec 13 2007, Andrew Morton wrote:
On Thu, 13 Dec 2007 21:09:59 +0100
Jens Axboe [EMAIL PROTECTED] wrote:
OK, it's a vm issue,
cc linux-mm and probable culprit.
I have tens of thousand backward pages after a
boot - IOW, bvec-bv_page is the page before bvprv-bv_page
.
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On Mon, Dec 10 2007, Marco Gatti wrote:
Jens Axboe schrieb:
Hello Jens,
Thanks for help. I just applied the patch. Unfortunately it doesn't
work.
Can you try and additionally boot with iommu=off as a boot parameter?
Yes. This is the end of getting any sata devices. See screenshots
)) {
dev_printk(KERN_INFO, pdev-dev,
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On Sun, Dec 09 2007, Marco Gatti wrote:
Jens Axboe schrieb:
Was just thinking that, this should do the trick. If this works, then we
can look at whether this is a hardware or iommu or block bouncing
(unlikely, would affect more people) bug.
diff --git a/drivers/ata/ahci.c b/drivers/ata
On Sun, Dec 09 2007, Marco Gatti wrote:
Jens Axboe schrieb:
On Sun, Dec 09 2007, Marco Gatti wrote:
Jens Axboe schrieb:
Was just thinking that, this should do the trick. If this works, then we
can look at whether this is a hardware or iommu or block bouncing
(unlikely, would affect more
.
Twice the merging is not an issue for me.
As for the patch inclusion, do you push the driver changes to Linus
all at once? Or should I ask each maintainer to take the patch?
Lets just try to get as many maintainer acks as possible, since the
patches need to go in together.
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, could you merge it to your tree?
Or does it have to be merged to -mm tree first?
Looks good to me now, I'll queue it up. Thanks!
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the bugzilla. Did so now.
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On Fri, Nov 02 2007, Kristen Carlson Accardi wrote:
On Thu, 1 Nov 2007 09:41:46 +0100
Jens Axboe [EMAIL PROTECTED] wrote:
On Wed, Oct 31 2007, Jens Axboe wrote:
Hi,
My x60 stopped suspending about two days ago. It just freezes after
printing
Suspending console(s
On Wed, Oct 31 2007, Jens Axboe wrote:
Hi,
My x60 stopped suspending about two days ago. It just freezes after
printing
Suspending console(s)
where it would normally turn everything off and the 'moon' light would
go on. Posting this message in case somebody else knows what is up
On Thu, Nov 01 2007, Jens Axboe wrote:
On Wed, Oct 31 2007, Jens Axboe wrote:
Hi,
My x60 stopped suspending about two days ago. It just freezes after
printing
Suspending console(s)
where it would normally turn everything off and the 'moon' light would
go on. Posting
On Thu, Nov 01 2007, Jens Axboe wrote:
On Thu, Nov 01 2007, Jens Axboe wrote:
On Wed, Oct 31 2007, Jens Axboe wrote:
Hi,
My x60 stopped suspending about two days ago. It just freezes after
printing
Suspending console(s)
where it would normally turn everything off
On Thu, Nov 01 2007, Jeff Garzik wrote:
Jens Axboe wrote:
Reverting just the default AHCI flags makes it work again. IOW, with the
below patch I can suspend properly with current -git.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ed9b407..77f7631 100644
--- a/drivers/ata/ahci.c
the excess away, which I think is the
sane way to do this.
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On Wed, Oct 31 2007, Jeff Garzik wrote:
Jens Axboe wrote:
On Wed, Oct 31 2007, Alan Cox wrote:
On Tue, 30 Oct 2007 19:21:29 +
Daniel Drake [EMAIL PROTECTED] wrote:
Alan Cox wrote:
I would guess Brasero is issuing a command with the length of data
wrongly set. In the old code that might
On Wed, Oct 31 2007, Jeff Garzik wrote:
Jens Axboe wrote:
Right, that's of course problematic... There has to be a way to recover
that situation though, or you can't export any user command issue
facility.
You cannot hope to handle all possible effects arising from an app
providing
is 2.6.23-rc9.
Andi, can you test with this patch applied?
http://brick.kernel.dk/sg-git.patch
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On Mon, Oct 22 2007, Andi Kleen wrote:
On Monday 22 October 2007 20:26:45 Jens Axboe wrote:
On Mon, Oct 22 2007, Andi Kleen wrote:
One of the systems tested in autoboot crashes at boot with with -git22.
This is a AMD 2 socket Opteron NUMA system.
The tester was a little flakey
: fd820f405574a30aacf9a859886e173d641f080b
Author: FUJITA Tomonori [EMAIL PROTECTED]
AuthorDate: Tue Sep 18 12:16:45 2007 +0200
Committer: Jens Axboe [EMAIL PROTECTED]
CommitDate: Tue Oct 16 11:24:44 2007 +0200
remove blk_queue_max_phys_segments in libata
LIBATA_MAX_PRD is the maximum number
to something my ATA devel tree has introduced
into -mm.
Nope, you're off the hook. The libata tree works great, so it must be
something else in -mm conflicting.
Can you try 2.6.23-rc8 plus this patch:
http://brick.kernel.dk/git-block.patch.bz2
and see if that works?
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On Tue, Sep 25 2007, Berck E. Nash wrote:
Jens Axboe wrote:
On Tue, Sep 25 2007, Berck E. Nash wrote:
Jeff Garzik wrote:
The first step would be to clone the upstream branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
and see if the problem
On Fri, Sep 21 2007, Alan Cox wrote:
On Fri, 21 Sep 2007 12:31:20 +0200
Jens Axboe [EMAIL PROTECTED] wrote:
On Fri, Sep 21 2007, Peer Chen wrote:
According to the description of section 5.2.2.1 and 10.1.2 of AHCI
specification rev1_1/rev1_2, GHC.HR shall only be set to ¡®1
make the most
sense, I think.
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that we can
selectively enable drivers when we KNOW they work, instead of trying to
do this (massive) operation whole sale.
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, I'll add it there.
PS none of the blkdev_issue_flush() users uses *error_sector argument
so it can be probably removed as well
I had hoped that the existance was enough incentive, but it didn't
happen. I'll make a note to kill that again.
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in when nothing current needs it, I'd
much rather add it back in should the need arise. That's the proper way
to handle things like this.
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? If we're issuing this log page read, we cannot do any
IO to the device. So this allocation must not generate any IO. And if we
fail in allocating memory and just return, the device wont talk to us in
the future.
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/sec goes beyond
a low threshold then disable ALPM again.
In my testing on this notebook (x60), throughput was reduced to about
30% when using ALPM. So while it does save a good amount of power, it
also makes the disk a slow dog if you are actually using it.
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to prefer managing the
IO queue largely in software instead of punting to (often) buggy
firmware.
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On Fri, Jun 22 2007, Kristen Carlson Accardi wrote:
On Thu, 21 Jun 2007 15:08:32 +0200
Jens Axboe [EMAIL PROTECTED] wrote:
On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn
not highly surprising :-)
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.
*/
+ ahci_disable_alpm(ap);
+ ap-pm_policy = SHOST_MAX_PERFORMANCE;
+ return 0;
+ case SHOST_MIN_POWER:
ap-pm_policy = SHOST_MIN_POWER;
/* configure HBA to enter SLUMBER */
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, and that quickly
turns into a lot of timer management. Not exactly free, in terms of CPU
usage.
I've yet to do some power measurements with this ahci patch, I just
noticed that with min_power performance drops from ~55mb/sec to
~15mb/sec sequential on my drive. That's pretty drastic :-)
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at the documentation, it states that
ahci supports up to 64k sg entries and each can have a size of up to 4mb
(bits 0 through 21). So as far as I can tell, clustering should work
with a segment size up to those 4mb.
ahci has always had clustering disabled, perhaps Jeff can expand on why?
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read-write paths.
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for the next data phase. I bet this would be a
LOT less invasive as well, and we can get by with a few helpers to
support it.
And it should definitely be a request type.
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More
On Mon, Apr 30 2007, Benny Halevy wrote:
Jens Axboe wrote:
On Sun, Apr 29 2007, James Bottomley wrote:
On Sun, 2007-04-29 at 18:48 +0300, Boaz Harrosh wrote:
FUJITA Tomonori wrote:
From: Boaz Harrosh [EMAIL PROTECTED]
Subject: [PATCH 4/4] bidi support: bidirectional request
Date: Sun
On Mon, Apr 30 2007, Douglas Gilbert wrote:
Jens Axboe wrote:
On Mon, Apr 30 2007, Benny Halevy wrote:
Jens Axboe wrote:
On Sun, Apr 29 2007, James Bottomley wrote:
On Sun, 2007-04-29 at 18:48 +0300, Boaz Harrosh wrote:
FUJITA Tomonori wrote:
From: Boaz Harrosh [EMAIL PROTECTED
and what the expected result is, I can try and help.
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complaining about an invalid bit being set in the
command descriptor block. That's usually a bug in the issuer.
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Hi,
I've seen this several times on this drive, completely reproducible.
Once it has hung, power needs to be cut from the drive to recover it, a
simple reboot is not enough. So I'd suggest disabling NCQ on this
driver.
Error log attached.
Signed-off-by: Jens Axboe [EMAIL PROTECTED]
diff --git
?
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patches had a blacklist entry for that
drive as well, but apparently the blacklist got lost somewhere along the
way?
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On Thu, Feb 22 2007, Mark Lord wrote:
Jens Axboe wrote:
Robert Hancock wrote:
..
+/* The following blacklist entries are taken from the Windows
+ driver .inf files for the Silicon Image 3124 and 3132. */
+{ Maxtor 7B250S0,BANC1B70,ATA_HORKAGE_NONCQ
On Wed, Feb 21 2007, Tejun Heo wrote:
[cc'ing Ric, Hannes and Dongjun, Hello. Feel free to drag other people in.]
Robert Hancock wrote:
Jens Axboe wrote:
But we can't really change that, since you need the cache flushed before
issuing the FUA write. I've been advocating for an ordered
On Mon, Feb 19 2007, Robert Hancock wrote:
Jens Axboe wrote:
But we can't really change that, since you need the cache flushed before
issuing the FUA write. I've been advocating for an ordered bit for
years, so that we could just do:
3. w/FUA+ORDERED
normal operation - barrier issued
On Wed, Feb 21 2007, Tejun Heo wrote:
Jens Axboe wrote:
On Wed, Feb 21 2007, Tejun Heo wrote:
[cc'ing Ric, Hannes and Dongjun, Hello. Feel free to drag other people
in.]
Robert Hancock wrote:
Jens Axboe wrote:
But we can't really change that, since you need the cache flushed
for NCQ/FUA anyway, we do need
to drain the drive queue before issuing the WRITE/FUA. And at that point
we may as well not use the NCQ command, just go for the regular non-NCQ
FUA write. I think that should be safe.
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to the
drive queue.
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is meh. There are
other algorithms for scheduling that perform better.
Well Linux doesn't default to using a normal elevator, so it's a moot
point.
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On Mon, Jan 15 2007, Ingo Molnar wrote:
* Jens Axboe [EMAIL PROTECTED] wrote:
In a previous write invoked by: fsck.ext3(1896): WRITE block 8552 on
sdb1 end_buffer_async_write() is invoked.
sdb1 is not a part of a raid device.
When I briefly tested this before I left
On Sun, Jan 14 2007, Thomas Gleixner wrote:
On Mon, 2007-01-15 at 09:05 +1100, Jens Axboe wrote:
raid seems to have severe problems with the plugging change. I'll try
and find Neil and have a chat with him, hopefully we can work it out.
Some hints:
mount(1899): WRITE block 16424 on md3
haven't had the guts to merge it yet.
http://git.kernel.dk/?p=linux-2.6-block.git;a=commitdiff;h=bf5f922d167a5c5cf57132bbcaa1e0ddfd5c45f7
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On Thu, Jan 04 2007, Mark Lord wrote:
Jens Axboe wrote:
On Wed, Jan 03 2007, James Bottomley wrote:
Er, well, as you know, I've never been a fan of this static list. I
thought Jens was going to put us all out of our misery by making the
list settable per device by root and thus shovel
don't know where to add
it, because its parameter is struct gendisk *disk and didn't find it
used anywhere in ahci or libata.
Since ahci attaches its devices through the scsi layer,
add_disk_randomness() will get called from scsi_end_request() like for
any other scsi controller.
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On Tue, Sep 06 2005, Ravikiran G Thirumalai wrote:
The following patchset breaks down the global ide_lock to per-hwgroup lock.
We have taken the following approach.
Curious, what is the point of this?
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On Wed, Sep 07 2005, Ravikiran G Thirumalai wrote:
On Wed, Sep 07, 2005 at 11:19:24AM +0200, Jens Axboe wrote:
On Tue, Sep 06 2005, Ravikiran G Thirumalai wrote:
The following patchset breaks down the global ide_lock to per-hwgroup
lock.
We have taken the following approach
do it).
Agree, we should just remove the ability to control clustering, as it
really overlaps with the segment settings anyways.
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On Sun, Aug 28 2005, Christoph Hellwig wrote:
On Sun, Aug 28, 2005 at 04:20:19PM +0200, Jens Axboe wrote:
Agree, we should just remove the ability to control clustering, as it
really overlaps with the segment settings anyways.
What are we going to do with iscsi then? It really doesn't
= scsicmd[2];
tf-lbah = scsicmd[1] 0x1f; /* mask out reserved bits */
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On Sat, Aug 27 2005, Jeff Garzik wrote:
Here is the patch I just checked in.
Looks perfect.
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is
correct.
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:-)
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On Tue, Aug 23 2005, Douglas Gilbert wrote:
Jens Axboe wrote:
On Mon, Aug 22 2005, Douglas Gilbert wrote:
if (scsicmd[0] == READ_6 || scsicmd[0] == WRITE_6) {
- qc-nsect = tf-nsect = scsicmd[4];
+ if (scsicmd[4] == 0
On Wed, Aug 03 2005, Martin Wilck wrote:
Jens Axboe wrote:
If I am reading the specs correctly, that'd mean the ahci driver is
wrong in setting the SActive bit.
I completely agree, that was my reading of the spec as well and hence my
original posts about this in the NCQ thread.
Have
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
That's not quite true, q is not invalid after this call. It will only be
invalid when it is freed (which doesn't happen from here but rather from
the blk_cleanup_queue() call when the reference count drops to 0).
This is still
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
That's not quite true, q is not invalid after this call. It will only be
invalid when it is freed (which doesn't happen from here but rather from
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
That's not quite true, q is not invalid after this call. It will only
be
invalid when
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
That's not quite
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
No, those waiters will be woken up when ide does an end_request for
requests coming in for a device which no longer exists.
But that would mean generating requests for devices, drives and hwifs
that no longer exists. But exactly
On Tue, Aug 02 2005, Steven Scholz wrote:
Jens Axboe wrote:
It's not the right way, it only solves a little part of the problem.
Killing a request with an error usually looks like this:
blkdev_dequeue_request(rq);
end_that_request_first(rq, 0, rq-hard_nr_sectors
);
+ end_that_request_first(rq, 0, rq-hard_nr_sectors);
+ end_that_request_last(rq);
+ }
+ }
}
/*
Looks good to me now, that's one item off Barts list :-)
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about this in the NCQ thread.
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* driver should now be fairly trivial (with docs).
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On Mon, Aug 01 2005, Jens Axboe wrote:
On Mon, Aug 01 2005, Daniel Drake wrote:
Otto Meier wrote:
My question is also are these features (NCQ/TCQ) and the heigher
datarate be supported by this
modification? or is only the basic feature set of sata 150 TX4 supported?
NCQ support
On Mon, Aug 01 2005, Jeff Garzik wrote:
Jens Axboe wrote:
On Mon, Aug 01 2005, Daniel Drake wrote:
Otto Meier wrote:
My question is also are these features (NCQ/TCQ) and the heigher
datarate be supported by this
modification? or is only the basic feature set of sata 150 TX4 supported
On Fri, Jul 08 2005, Ingo Molnar wrote:
* Jens Axboe [EMAIL PROTECTED] wrote:
But! I used hdparm -t solely, 2.6 was always ~5% faster than 2.4. But
using -Tt slowed down the hd speed by about 30%. So it looks like some
scheduler interaction, perhaps the memory timing loops gets
more than one process
doing io to get a performance increase.
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on the other drive(s)?
Not sure if it's a design decision or just this works ok, I'll fix it
later. Clearly there is a lot of room for improvement in the balancing
logic, to get more cases correct/faster. It's quite doable to split a
bio and send bits of it to various drives.
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On Fri, Jul 08 2005, Tejun Heo wrote:
On Fri, Jul 08, 2005 at 10:03:48AM +0200, Jens Axboe wrote:
Hi,
Ok, one more error, this time from irq context:
AHCI: ata1: error irq, status=4001 stat=51 err=04 sstat=0113
serr=
ata1: aborting commands due to error
led as
an activity light. Just in case you prefer that to overloading the bmdma
start/stop handlers.
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this?
Hmm yes, it will require more work for you. It should be cleaned up a
little to pass in a START/STOP variable and handle everything in the
block layer instead. You probably just want to continue using the bmdma
hooks now, that is actually a fine implementation imo.
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On Wed, Jul 06 2005, Jens Axboe wrote:
On Mon, Jul 04 2005, Jens Axboe wrote:
On Fri, Jul 01 2005, Jens Axboe wrote:
I converted most of debug messages I've used during development into
warning messages when posting the patchset and forgot about it, so
I've never posted the debug
On Tue, Jul 05 2005, Ondrej Zary wrote:
Jens Axboe wrote:
On Tue, Jul 05 2005, Ondrej Zary wrote:
André Tomt wrote:
Al Boldi wrote:
Bartlomiej Zolnierkiewicz wrote: {
On 7/4/05, Al Boldi [EMAIL PROTECTED] wrote:
Hdparm -tT gives 38mb/s in 2.4.31
Cat /dev/hda /dev/null gives 2
machine is quite slow, perhaps that is
showing the slower performance. Can you try and make HZ 100 in 2.6 and
test again? 2.6.13-recent has it as a config option, otherwise edit
include/asm/param.h appropriately.
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On Tue, Jul 05 2005, Ondrej Zary wrote:
Jens Axboe wrote:
On Tue, 2005-07-05 at 15:02 +0200, Ondrej Zary wrote:
Ok, looks alright for both. Your machine is quite slow, perhaps that is
showing the slower performance. Can you try and make HZ 100 in 2.6 and
test again? 2.6.13-recent has
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