Stijn Volckaert, so your hardware may be tracked, could you please file a new
report by executing the following in a terminal while booted into a Ubuntu
repository kernel (not a mainline one) via:
ubuntu-bug linux
For more on this, please read the official Ubuntu documentation:
Ubuntu Bug
This kernel has some other problems. it doesn't seem to contain the
graphics driver for my card and I can't reboot. However, over ssh I get:
stijn@rogue:~$ dd if=/dev/zero of=/home/stijn/test bs=1M count=1k
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 6.3337 s, 170 MB/s
I reverted that same commit in my own kernel source and the problem is
back. This wasn't the root cause.
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Title:
B75 Chipset I/O Problems
To
The bisect identified the following commit:
commit 252c3d84ed398b090ac2dace46fc6faa6cfaea99
Author: RongQing.Li roy.qing...@gmail.com
Date: Thu Jan 12 22:33:46 2012 +
ipv6: release idev when ip6_neigh_lookup failed in icmp6_dst_alloc
I'm not sure if this is the real root cause.
not fixed
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Title:
B75 Chipset I/O Problems
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not fixed
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Title:
B75 Chipset I/O Problems
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I built the next test kernel, up to the following commit:
252c3d84ed398b090ac2dace46fc6faa6cfaea99
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based on
** Tags added: bios-outdated-f11
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Title:
B75 Chipset I/O Problems
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I built the next test kernel, up to the following commit:
412662d204eca981458156fd64d9d5f3b533d7b6
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based on
still broken
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Title:
B75 Chipset I/O Problems
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just tested. The x86 kernel still has the bug.
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Title:
B75 Chipset I/O Problems
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I built the next test kernel, up to the following commit:
1886e5d2c694e7fb59434c717e704e7fd8475d2e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based on
I skipped that commit since the x86 kernel would not build.
I built the next test kernel, up to the following commit:
747465ef7a082033e086dedc8189febfda43b015
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it
Great to finally see this bug being worked on... I found a bunch of
similar bug reports that were finally closed (and supposedly solved)
because the original bug reporter ended up installing a 64-bit kernel
instead.
Here's what I found out so far:
* This bug only affects writing to block devices.
Yes, as Stjin says, the provided URL doesn't contain an x86 kernel.
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Title:
B75 Chipset I/O Problems
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I built the next test kernel, up to the following commit:
010e646ba2fdfc558048a97da746381c35836280
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based on
Thanks for the feedback, everyone. I restarted the kernel bisect.
I built the next test kernel, up to the following commit:
7c9c684160bc2c6668abbd2701b440e18bb9ef35
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back
That kernel doesn't have the bug.
No significant difference between the 8 GB vs 16 GB case. On my machine
with kernels that experience the bug, reading package lists can go into
the double digits on kernels that experience the bug.
# uname -a
Linux mediaserver 3.2.0-030200-generic #201311141219
@jsalisbury,
I can verify both that the i386 kernels at the referenced PPA are PAE
enabled and that Linux kernel 3.12.0 still exhibits the bug.
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@jsalisbury,
The reference you give does not seem to have PAE kernels; at least there
are no packages with -pae in the name. Did packages got unified
32-bit/PAE/64-bit with 3.12?
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FYI: the same problem seems also still present in Saucy / kernel
3.11.0-12. Without lowering considerably the RAM at boot-time (e.g.,
12GB instead of built-in 16GB) I/O write performance is horrible (and
even with 12GB it does not seem right and deteriorates over time ...)
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@Michisteiner,
Can you confirm the issue also happens in the final 3.12 version:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-saucy/
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** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
B75 Chipset I/O Problems
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The problem is still an issue on i686 PAE kernel in raring.
Got a Lenovo W520 Laptop with 24GiB of RAM. apt-get update takes several
minutes.
However I found a workaround as alternative to removing the memory physically.
Add mem=0x2 kernel boot parameter in /etc/default/grub in run
I was having the problem originally described: very slow 'reading
package lists' in 'apt-get update'
Using 32 bit kernel 3.5.0-39-generic on latest thinkpad X230 with 16 GB
RAM. Samsung 840 pro.
Either of two things made the problem go away:
- reduce RAM to 8 GB
- downgrade to kernel
At this point it would be best to test v3.11-rc2 instead of v3.10-rc6:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11-rc2-saucy/
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Sorry for the delay. I ran into some build issues with the latest
commit the bisect suggested.
Before continuing the bisect, can you test the latest mainline kernel which is
v3.10-rc6:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-rc6-saucy/
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uname -a
Linux vbox-ubuntu-1210-i386 3.2.0-030200-generic #201305101230 SMP Fri May 10
17:42:27 UTC 2013 i686 i686 i686 GNU/Linux
time sudo apt-get update
real0m6.518s
user0m1.124s
sys 0m0.232s
BR, Mark
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On 10-05-13 22:11, Joseph Salisbury wrote:
Sorry for the delay, I was traveling last week.
I built the next test kernel, up to the following commit:
6a488979f574cb4287880db2dbc8b13cee30c5be
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test
Sorry for the delay, I was traveling last week.
I built the next test kernel, up to the following commit:
6a488979f574cb4287880db2dbc8b13cee30c5be
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or
This one's fine...
uname -a
Linux vbox-ubuntu-1210-i386 3.2.0-030200-generic #201305021257 SMP Thu May 2
17:06:29 UTC 2013 i686 i686 i686 GNU/Linux
sudo time apt-get update
1.28 user
0.43 system
0:04.36 elapsed
39%CPU (0avgtext+0avgdata 25260maxresident)k
126776inputs+95224outputs
I built the next test kernel, up to the following commit:
2bd43341217b6e8b75e382243328f458ac67fcbe
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I will build
the next test kernel based on
This one seems fine too...
Linux vbox-ubuntu-1210-i386 3.2.0-030200-generic #201304291319 SMP Mon
Apr 29 17:46:37 UTC 2013 i686 i686 i686 GNU/Linux
sudo time apt-get update
1.78user
0.53system
0:08.61elapsed
26%CPU (0avgtext+0avgdata 25240maxresident)k
117504inputs+115800outputs
I built the next test kernel, up to the following commit:
16008d641670571ff4cd750b416c7caf2d89f467
The test kernel can be downloaded from:
http://people.canonical.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based
This one seems fine:
me@vbox-ubuntu-1210-i386:~$ uname -a
Linux vbox-ubuntu-1210-i386 3.2.0-030200-generic #201304191246 SMP Tue Apr 23
20:11:17 UTC 2013 i686 i686 i686 GNU/Linux
sudo time apt-get update
1.37user
0.34system
0:05.11elapsed
33%CPU (0avgtext+0avgdata
I built the next test kernel, up to the following commit:
a429638cac1e5c656818a45aaff78df7b743004e
The test kernel can be downloaded from:
http://people.canonical.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based
Hi Joseph,
Can you give me another build to test?
If not, can you please give me some pointers on how to do a build
myself? We've come too far to not finish this one.
Thanks in advance,
Mark
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This one works fine:
Linux vbox-ubuntu-1210-i386 3.8.0-18-generic #28 SMP Thu Apr 11 20:44:45
UTC 2013 i686 i686 i686 GNU/Linux
16 GByte
real0m7.909s
user0m1.628s
sys 0m0.484s
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I re-built the first test kernel, up to the following commit:
2ac9d7aaccbd598b5bd19ac40761b723bb675442
The i386 test kernel can be downloaded from:
http://people.canonical.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it has the bug or not. I
will build the next test
Thanks, can't test without :-(
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Title:
B75 Chipset I/O Problems
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Thanks for pointing that out. I'll investigate why the 32 bit kernels
didn't build.
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Thanks for all the testing. So it looks like the regression was
introduced in a commit between v3.2 final and v3.3-rc1. I'll start a
kernel bisect between those two versions and post a test kernel shortly.
The bisect process will require testing 7 - 10 kernels, but it should
identify the commit
I started a kernel bisect between v3.2 final and v3.3-rc1.
I built the first test kernel, up to the following commit:
2ac9d7aaccbd598b5bd19ac40761b723bb675442
The test kernel can be downloaded from:
http://people.canonical.com/~jsalisbury/lp1107150
Can you test that kernel and report back if it
Hi Joseph,
Trying to install your kernel but notice there is only a linux-headers*-all.deb
and a linux-headers*-amd64.deb but no i386.
Is that okay?
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Mmm the linux-image and linux-image-extra are missing for i386 too..
Can you have a look, please?
Cheers
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Title:
B75 Chipset I/O Problems
To
I think you want me to test the other way... If rc4 has it, we should
take earlier versions, right?
Anyway, based on my test results, it seems that the regression was
introduced between v3.2 and v3.3-rc1.
A simple grep on 'PAE' results in only one commit ae5cd8 but I'm not
familiar enough with
So it looks like the regression was introduced in v3.3.
Can you test the following kernels and report back? We are looking for
the earliest kernel version that has this bug:
v3.3-rc4: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-rc4-precise
If v3.3-rc4 exhibits the bug then test
Yah, finally one that works...
Linux vbox-ubuntu-1210-i386 3.2.41-030241-generic-pae #201303201717 SMP
Wed Mar 20 21:38:04 UTC 2013 i686 i686 i686 GNU/Linux
time sudo apt-get update
12 GByte
real0m6.692s
user0m1.524s
sys 0m0.444s
16 GByte
real
Can you also test the following 3.2 kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2.41-precise/
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Title:
B75 Chipset I/O Problems
To
Hi,
The first one tried (3.3) is already bad news..
Linux vbox-ubuntu-1210-i386 3.3.0-030300-generic-pae #201203182135 SMP Mon Mar
19 01:50:11 UTC 2012 i686 i686 i686 GNU/Linux
12 GByte
real0m9.863s
user0m1.552s
sys 0m0.452s
16 gByte
real
mmm no improvement :-(
me@vbox-ubuntu-1210-i386:~$ uname -a
Linux vbox-ubuntu-1210-i386 3.9.0-030900rc4-generic #201303232035 SMP Sun Mar
24 00:44:55 UTC 2013 i686 i686 i686 GNU/Linux
me@vbox-ubuntu-1210-i386:~$ time sudo apt-get update
16GByte
real17m36.608s
user
I'd like to perform a bisect to figure out what commit caused this
regression. It would be very helpful to know the earliest kernel where
the issue started happening as well as the latest kernel that did not
have this issue.
Can you test the following kernels and report back? We are looking for
@Mark Vels, Would it be possible for you to test the v3.9-rc4 kernel? It can
be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.9-rc4-raring/
If the bug still exists in that latest mainline kernel, I can perform a
kernel bisect to identify the commit that first introduced
I installed 12.10 amd64 on the same pysical machine (Intel Core i5-2300
CPU @ 2.80GHz) with 16 GB RAM) and it runs fine as expected.
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As promised, I did some testing with the latest kernel:
linux-3.5.0-26-generic: 12 MByte
real0m10.678s
user0m1.376s
sys 0m0.348s
linux-3.5.0-26-generic 16 Mbyte
real11m50.436s
user0m9.133s
sys 0m7.500s
linux-3.8.4-030804-generic 16 MByte
real12m25.996s
user
Hmm, this may be specific to PAE. Is it possible for someone affected
by this to also test the 64 bit kernel?
** Changed in: linux (Ubuntu)
Importance: Medium = High
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@Zaxx, that's great news. Glad that I could be of help.
@Jalisbury: I need the VM currently too badly for a project to do this
testing (and not enough disk space to clone the VM). I expect to deliver
really soon, I will check an upstream kernel then to see if it is
already fixed and try to gather
I installed the latest 13.04 development and got the following:
real time: 21m52.609s
The problem persists.
output from uname -a:
3.8.0-10-generic
I am running a 32-bit kernel, which means PAE is active. Could the
problem be in PAE?
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Sorry for the delay.
I removed most of my ram, leaving 8 GB in the system and booted Ubuntu
12.10. I ran time sudo apt-get update and it completed in 17.106
seconds.
@Mark Vels it appears that I owe you one. You nailed it. The Ram size
seems to impact the performance of the system.
I am
@jsalisbury
can confirm the bug with almost identical setup (Z75 Chipset, i7, 32GB,
120GB SATA3 SSD). Reducing the amount of memory from 32 to 16GB helps
immediately, didn't try (and won't at this point because 16GB is
sufficient at the moment) mainline kernel as being short of time
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@zaxx,
Is it possible for you to reduce the amout of memory you have to see if
you are seeing the same thing as Mark in comment #25?
@Mark, so it appears the threshold is ~15GB of memory when things go
bad?
Also, the final v3.8 kernel[0] is now available. Would it be possible
to test this
I was hunted by this bug to but observed some behaviour that might
help...
I required a i386 12.10 desktop install for some rebuilds. Therefore I
installed it on a VirtualBox install on my Intel Core i7-2600 CPU @
3.40GHz with 32GB RAM. At first it ran fine, but since I was in a hurry
doing full
I have installed 13.04 which runs the 3.8 Kernel and the problem
persists. I tried testing as per your suggestion, but could not find a
3.8 kernel that would safely install on 12.10.
Also I cannot get apport-collect to run on 12.10. I think it is due to
this bug:
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.8 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
If this bug is fixed in the
All that collected information is from the working 12.04 installation. I
need to reboot to resubmit on the faulted system.
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Title:
B75 Chipset
apport information
** Tags added: apport-collected precise running-unity staging
** Description changed:
I built a new system and installed Ubuntu 12.10. The system has the
following specifications:
Samsung 840 Pro 128 GB
Gigabyte P75-D3
Intel i7 3770
32 GB Ram
Western Digital
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