[Expired for linux-ti-omap4 (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: linux-ti-omap4 (Ubuntu)
Status: Incomplete = Expired
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I no longer have this problem with ubuntu-12.04-preinstalled-server-
armhf+omap4.img.gz
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https://bugs.launchpad.net/bugs/690370
Title:
Strange out of memory on pandaboard
To manage
Yes, I do have that setting, and I see these errors regardless of how it is
set.
I've ordered a new SD card so I can try upgrading to a later version. What
version of Ubuntu would you recommend for this board as the most stable?
On Wed, Sep 26, 2012 at 12:58:42PM -, Paolo Pisati wrote:
** Changed in: linux-ti-omap4 (Ubuntu)
Status: Triaged = Incomplete
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Title:
Strange out of memory on pandaboard
To manage notifications
@mdz: please check that
flag@flag-desktop:~$ sysctl vm.min_free_kbytes
vm.min_free_kbytes = 32768
since N we had this fix in casper, and a file was created in /etc/sysctl.d
accordingly.
If you upgraded from a previous release/daily/beta/etcetc, it could be that you
didn't get that fix/file, so
s/casper/jasper-initramfs/
;)
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Title:
Strange out of memory on pandaboard
To manage notifications about this bug go to:
** Changed in: linux-ti-omap4 (Ubuntu)
Importance: Undecided = Medium
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Title:
Strange out of memory on pandaboard
To manage notifications
Jani, yes, the machine in question is running 11.04. Can you confirm
which package version is expected to fix the bug? Or is it unknown
whether the bug was fixed?
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Similar bugs were fixed so hopefully yours is not a different one. I
only followed these bugs from afar, never had the issue, just noticed
that several were fixed before Oneiric released. So I would try the ti-
omap4 kernel from Oneiric (3.0 based IIRC)
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I see very similar errors when doing anything which causes a lot of I/O
to an external USB hard drive. I see this bug is marked fixed, but
there's no indication of which updated package fixes it, so I can't
confirm.
** Changed in: linux-ti-omap4 (Ubuntu)
Status: Fix Released = Triaged
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** Tags added: patch
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Title:
Strange out of memory on pandaboard
To manage notifications about this bug go to:
Matt, are you using at least 11.10 ? Natty may still have the bug.
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Title:
Strange out of memory on pandaboard
To manage notifications about
** Changed in: linux-ti-omap4 (Ubuntu)
Status: Confirmed = Fix Released
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Title:
Strange out of memory on pandaboard
To manage
Does this happen with Linaro kernels as well?
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Title:
Strange out of memory on pandaboard
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Used to happen also with the Linaro kernel, but would be good to test
with latest TI LT one (linux-linaro-lt-omap from https://launchpad.net
/~linaro-maintainers/+archive/overlay).
Ming Lei, did you try publishing this patch at lkml or similar to have
more feedback?
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** Changed in: linux-ti-omap4 (Ubuntu)
Status: New = Confirmed
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Title:
Strange out of memory on pandaboard
To manage notifications about
I think the attachment patch can fix the issue, so anyone would like to verify
it on your board?
** Patch added: usbnet_oom_3.0-rc1.patch
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/690370/+attachment/2160134/+files/usbnet_oom_3.0-rc1.patch
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Hi Marcin Juszkiewiczm,
You mean that you are building the kernel on the filesystem over usb storage,
and at the same time
you are controlling from remote, then oom happened?
If so, could you disconnect ethernet connection(usbnet) to build kernel on usb
storage and
see if the oom can happen?
Ming Lei: I have hard drive connected on USB. But I use ethernet during
build cause I control board remotely.
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Title:
Strange out of memory on
Hi Marcin Juszkiewicz,
If out of memory always happened when you build something over a NFS, it is
very possibly caused by usbnet,
which seems to be shown from #28.
The issue has been discussed in maillist recently:
http://marc.info/?t=13040664106r=1w=2
Laurent, with both bug 746137 and bug 633227 now fixed, can you try to
reproduce this issue again? Tomorrow's image (or beta-2) should be OK
for the test.
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2.6.38-1207 (mem=463M@0x8000 mem=512M@0xA000 = 943MB for system)
during build of kernel:
[ 2945.114135] cc1: page allocation failure. order:3, mode:0x4020
[ 2945.114196] [c005a420] (unwind_backtrace+0x0/0xe0) from [c0107e98]
(__alloc_pages_nodemask+0x5a0/0x6b4)
[ 2945.114227] [c0107e98]
add vm.min_free_kbytes = 8192 to /etc/sysctl.conf and retry, see
lp746137: the backtraces are the same and it's a nic driver/memory
fragmentation issue.
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Hi, just pinging :). Should I try a more recent system image?
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Title:
Strange out of memory on pandaboard
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@laurent: if by any chance you could try on a recent natty daily image,
we now have 2.6.38 kernel in the daily's... at least we would know
whether or not the problem is still there.
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@Nicolas I'm downloading 20110321 omap4 images from
http://cdimage.ubuntu.com/ubuntu-netbook/daily-preinstalled/current/
54040512b1835e83d0096779d6c70c01 *natty-preinstalled-netbook-
armel+omap4.img.gz
I'll be testing that within a week. Let me know if another image would
be better. Thanks!
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On Mon, Feb 14, 2011 at 9:36 AM, Robert Nelson robertcnel...@gmail.com wrote:
Hi Laurent,
On the beagleboard list, we found a hack/workaround for the smsc95xx
kevent spam in dmesg, that seems to lock up the ethernet interface:
Add to /etc/sysctl.conf:
vm.min_free_kbytes = 8192
So far,
Hi Ricardo,
Nope, i'm not seeing any sudden freeze's or lockup's..
Panda's dmesg running gcc/testsuite before:
http://rcn-ee.homeip.net:81/dl/gcc/sys/dmesg-170061-2.6.38-rc4-d3-panda-a1-1gb.log
(lot's of kevent, stall, oom's, etc..)
After:
Hi Laurent,
On the beagleboard list, we found a hack/workaround for the smsc95xx
kevent spam in dmesg, that seems to lock up the ethernet interface:
Add to /etc/sysctl.conf:
vm.min_free_kbytes = 8192
So far, after 13 hours, my panda hasn't had a single kevent while
building gcc and running the
Robert and Laurent,
How about your U-Boot, does it recognize the whole 1G memory or just
512M memory. Without any mem= option in kernel cmdline, kernel will get
such memory information from U-Boot, IMHO.
My U-Boot recognize the whole 1G memory, then even without mem=1G,
Kernel will get the whole
Robert for reference with the new kernel I get a board freeze in less
than an hour.
I don't understand why when I boot with no option I get only 490M.
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I first did a simple test: leave the pandaboard idle, after 5 days no
crash.
Robert, I followed your instructions but after reboot I have only the
serial console and no network. It seems because my boot.script has
smsc95xx.macaddr=32:57:F8:93:E1:CD and it looks like it blocks loading
of the
Hi Laurent,
I think the macaddr parameter is a ubuntu sauce only fix that isn't in
mainline.. On my panda, I take care of it thru
/etc/network/interfaces with:
# The primary network interface
allow-hotplug usb0
iface usb0 inet dhcp
hwaddress ether 62:55:bf:8d:05:28
Odd.. I don't lose that much
Without NFS, using /home on a 16GB USB key, I got a freeze again after a
bit less than 3 days of svn update/-j 3 bootstrap/check c,ada in loop.
Robert, if you have kernel binary + instructions on how to install (on
top of my current ubuntu) I'd gladly test the newer kernel.
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Hi Laurent,
For a maverick userspace, on the panda board download and run this
script:
wget http://rcn-ee.net/deb/maverick/v2.6.37-x1/install-me.sh
/bin/bash install-me.sh
The script will then download that version, install it and backup the
older ubuntu uImage and uInitrd's on the mmc card:
Hi Laurent,
It survived the -j2 pass,
http://rcn-ee.homeip.net:81/dl/gcc/SVN-168690-trunk-c-c++-panda-a1-1gb/
It's running the testsuite now, and i have it setup to try -j 3 on the
next run..
Based on my log date stamps:
-j 2 = 7 hours 27 minutes
no -j setting and nice = 13 hours 44 minutes
Hey Laurent,
Finally setup my panda to do the same thing, so far i haven't been seeing this
issue.. (I'm not using the mem=768M boot arg)
(MMC contains uImage/uInitrd rootfs on external usb sata drive)
My own kernel: (http://rcn-ee.net/deb/squeeze/v2.6.37-x0/)
voo...@panda-a1-1gb:~$ cat
Hi Robert,
Interesting. From the logs it looks like you're not using -j 2, am I
right? I managed to get the freeze without -j and C only bootstrap but
it took a few iterations. Also are you using NFS for the build?
I've relaunched a build without NFS.
Ricardo, any news on this?
Sincerely,
--
Hi Laurent,
Yeah, i didn't have any '-j' parameters in those builds (also had 'nice'
enabled)...
I just updated my script to use -j2 and disabled nice so we shall
see what it does..
No, I'm not using NFS, (i really should), I'm using a locally mounted
usb sata drive (160G/7200rpm), also
There are some differences in Robert's setup...he's using a .37
kernel(from kernel.org?) and a A1 board, while Laurent has an EA1. I
don't think the board revision has something to do, but the kernel may.
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My board froze multiple times during testing of GCC bootstrap
It's ubuntu 10.10 with natty kernel now (the issue were present with
10.10 kernel too)
r...@gcc44:~# cat /boot/boot.script
fatload mmc 0:1 0x8000 uImage
fatload mmc 0:1 0x8160 uInitrd
setenv bootargs
second freeze this night. no blinking LED, nothing on the serial
console, last top image and tail -f /var/log/messages attached.
** Attachment added: freeze.txt
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/690370/+attachment/1771254/+files/freeze.txt
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Even when using CONFIG_VMSPLIT_3G and 768M I was able to reproduce the
lack of memory exception. Now need to check why the usb driver is
requiring so much memory.
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** Tags added: armel
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Title:
Strange out of memory on pandaboard
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Interestingly without swap but with mem=768M I got past the failure
point.
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Title:
Strange out of memory on pandaboard
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with mem=768M and no swap make bootstrap failed a bit later on
virtual memory exhausted: Cannot allocate memory, nothing in
/var/log/messages
Trying with mem=768M and swap activated.
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Even if swap is totally unused it got past the previous failure point:
Swap: 524284k total,0k used, 524284k free, 265836k cached
More tomorrow...
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As Nicolas Pitre pointed in the past, this could be a side effect of
using CONFIG_VMSPLIT_2G and not CONFIG_VMSPLIT_3G.
Can you point me the instructions to reproduce this bug? Will change my
kernel configuration to see if I can reproduce it here with different
setups.
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With swap reactivated GCC bootstrap succeeded but I got regular
backtraces swapper: page allocation failure. order:3, mode:0x4020, see
attached /var/log/messages.
** Attachment added: panda-messages-2.txt
I installed on a 4 GB SD card following instructions here:
http://pandaboard.org/content/resources/getting-started
http://omappedia.org/wiki/Ubuntu_Pre-built_Binaries_Guide
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