apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/816797/+attachment/2235670/+files/Lsusb.txt
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Title:
[Oneir
apport information
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/816797/+attachment/2235668/+files/BootDmesg.txt
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Title:
In Oneiric, the disk geometry parameters have been changed from
255 heads, 63 sectors/track, 941 cylinders (natty and before)
to
128 heads, 32 sectors/track, 1890 cylinders(Oneiric)
so the start sector number of partitions is even number now.
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SRU Justification against Ubuntu-2.6.38-11.47:
- does fix the lockdep warning
- normal function is good, and can boot well into natty
see attachment dmesg
** Attachment added: "2.6.38-11-generic.dmsg"
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/791019/+attachment/2234095/+
In fact, I have done SRU Justification before submitting the patch into
kernel-t...@lists.ubuntu.com.
see
https://lists.ubuntu.com/archives/kernel-team/2011-June/016037.html
I am sure the patch did not affect normal function and only fixed the lockdep
warning, and Tim
already Acked it.
After reading the paper in the link below:
https://lwn.net/Articles/428584/
I think the slow writing to my sd card is not strange, see below:
- my card is a kingston class 4 card, not a "high speed" card
- writing to sd card is a slow action because of storage feature of sd card,
also
opt
Walter, it is very different with #753714.
In #753714 , the problem is about a fullspeed usb camera(not uvc) plugged into
a external usb highspeed hub, which is not supported well in linux, also is a
dark
area in usb 2.0 spec.
This bug is about a uvc camera, which is a highspeed device, and the
The problem has been fixed in 3.0 -rc, see the below commit log:
commit 0af212ba8f123c2eba151af7726c34a50b127962
Author: Alan Stern
Date: Wed Jun 15 16:27:43 2011 -0400
USB: don't let errors prevent system sleep
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This was fixed by the patches below, which has been merged into -rc7 already.
commit ca5c485f55d326d9a23e4badd05890148aa53f74
Author: Alan Stern
Date: Wed Jul 6 17:03:45 2011 -0400
USB: additional regression fix for device removal
commit e534c5b831c8b8e9f5edee5c8a37753c808b80dc
Author: A
Looks like very similar with issues, in which full speed/low speed devices
connected into highspeed bus
from usb 2.0 hs hub.
Could you connect your two low speed devices into root hub(PC) directly instead
of external usb 2.0 hub to
see if the problem can be reproduced?
See the two devices from
Marc, as far as I know, several guys have reported the problem, and still no
good solution
for it until now.
Could you help to test upstream kernel(3.0-rc6 or -rc7) and see if it
can fix the problem?
thanks,
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Hi Marc,
After discussion with Chris and jk, the problem may be related with intel sandy
bridge bug,
many similar problems are reported before, such as below:
https://bugs.launchpad.net/hwe-chihshang/+bug/758433
You can change sata ports to avoid the problem according to chris's
suggest
Hi Marc,
As far as I know, changing to ahci is always done in "SATA options" of BIOS, I
have found
it does work at least in 4 machines of mine, including one very old machine
dell D630.
If you google "Sata ahci ide", you will find sata controller should
support ahci.
I don't know why BIOS of t
Marc,
Thanks for your test.
As we discussed in Dublin, the SATA works at IDE compatible mode now,
but it is a sata controller and should wok at ahci mode as reported in LP
737388.
So I suggested that you can try to upgrade the BIOS to see if newer version can
support
to change to AHCI mode.
A
Now security_task_free is called from __put_task_struct in ubuntu kernel, and
__put_task_struct c
can surely be called in softirq context.In upstream, there are no
security_task_free at all.
If not calling security_task_free, where is it called from? Seems depending on
security implementat
The attachment patch does fix the warning, yama_ptracer_del can be called in
softirq context, also
can be run in common process context, so use spin_lock_bh to fix it.
** Attachment added: "fix_yama_lsm_lockdep_warning.log"
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/7910
>From the log, there is a bug surely: allock(GFP_KERNEL) is called with
>spinlock holding, so
the warning is triggered:
struct cred *prepare_creds(void)
{
..
new = kmem_cache_alloc(cred_jar, GFP_KERNEL);
..
}
and prepare_creds is called in this path with spin_lo
attach another lockdep warning in yama_ptracer_del path.
** Attachment added: "yama_ptracer_del-lockdep-warning.log"
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/791019/+attachment/2184345/+files/yama_ptracer_del-lockdep-warning.log
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Marc, the same issue is reported in 737388:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/737388
which does happen on the same sata controller: 8086:1c00(pci vid: pci
pid)
but from 737388, we can find it will work at ahci mode.
So I suggest you to enable ahci to fix the issue for your
Marc, can this DVD drive work well on windows?
BTW:
could you post out the options for SATA in BIOS?
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Title:
[Dell optiplex 390][SFF] Dv
Marc, as we chatted in IRC, suggest you to set AHCI mode for sata controller in
BIOS to see if it can work first.
thanks,
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Title:
[Dell optiple
Unfortunately, I found my pandaboard is destroyed just the next morning after
the mmc read teat.
I am not sure if it is caused by the mmc read test. But certainly, I have done
nothing using the board
after doing the mmc test and before I found it is broken.
My board will hang in several minut
Hi Marc Legris,
>From BootDmesg.txt, over-current change happened on port 1 and 2 of
>"Integrated Rate Matching Hub"(2-1),
even though no any devices are connected into these two ports, not sure if the
test machine is good.
Suggest you find a good one to do certification test on natty.
thank
Hi Marc Legris,
please set SATA drive working at AHCI mode in BIOS to see if DVD can
work well.
If it may work at ahci mode, can you accept this wrt. certification?
thanks,
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Hi Marc Legris,
Could you test DVD reading on windows to see if it can work?
>From google, many guys are touched by this kind of issue and are fixed by
changing SATA port on the motherboard.
see [1]:
[1],
- http://ubuntuforums.org/showthread.php?t=1755888
- http://www.tomshardware.
Use ftrace to trace block event, and found the blow when bad read
performance[1] is observed:
mmcqd/0-57[000] 8827.689789: block_rq_issue: 179,0 W 0 () 5653017
+ 8 [mmcqd/0]
mmcqd/0-57[000] 8828.408600: block_rq_complete: 179,0 W ()
5653017 + 8 [0]
Seems the bad read
Ricardo,
Please enable lockdep irq trace config options, then rebuild kernel.
You will see the warning during the new kenel booting.
thanks,
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T
I saw this message now:
[122397.871035] ehci_hcd :00:10.4: fatal error
[122397.872856] ehci_hcd :00:10.4: force halt; handshake c918e014
4000 4000 -> -110
[122397.872864] ehci_hcd :00:10.4: HC died; cleaning up
Looks like a PCI error, from 2.3.2 of ehci spec 1.0, may
>From lsusb.txt, no any usb 2.0 root hub devices are found at all, so how can
>you say it is
a ehci_hcd fatal error?
Seems it is a uhci_hcd issue.
Could you paste out all dmesg info after the uhci issue happened.
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could you try to run bootchart and paste the generated .svg?
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Title:
Very slow boot of Ubuntu 11.04
To manage notifications about this bug go to:
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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The patch below:
http://marc.info/?t=13048465831&r=1&w=2
does fix the issue, but Tony and Kevin have a better solution to address it.
So the reason is clear, that omap_readl
should be declared as notrace
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When I enable lockdep today on my pandaboard, the warning below[1] has been
triggered,
so the issue is surely related with block storage or filesystem.
[1], lockdep warning
[ 1202.199310] INFO: task updatedb.mlocat:6892 blocked for more than 120
seconds.
[ 1202.207519] "echo 0 > /proc/sys/kern
** Attachment added: "yama-lockdep-warning.log"
https://bugs.edge.launchpad.net/bugs/791019/+attachment/2149973/+files/yama-lockdep-warning.log
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Public bug reported:
See attachment log when the lockdep compile option is enabled.
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Undecided
Status: New
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** Attachment added: "cupsd-in-atomic-warning.log"
https://bugs.edge.launchpad.net/bugs/791022/+attachment/2149975/+files/cupsd-in-atomic-warning.log
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Public bug reported:
See the warning log if the compile option of lockdep irq trace is enabled.
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Undecided
Status: New
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http
** Attachment added: "ftrace-bug.log"
https://bugs.edge.launchpad.net/bugs/791016/+attachment/2149972/+files/ftrace-bug.log
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Title:
kernel pan
Public bug reported:
See panic log from attachment.
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Undecided
Status: New
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Title:
The issue should be caused by 'mount' in
/usr/lib/pm-utils/power.d/journal-commit.
Login window can be shown in 60sec after running the below:
chmod -x /usr/lib/pm-utils/power.d/journal-commit
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upload bootchart
Even the chart shows that the boot time is about 60sec, but on my pandaboard I
still
have to take about 2minutes to see the login window.
** Attachment added: "tom-panda-natty-20110528-1.png"
https://bugs.edge.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/784421/+attachme
>1486 00:48:26.075713 futex(0x1baa75c, FUTEX_WAIT_PRIVATE, 1,
>{14, 999571869}
>1486 00:49:07.075534 <... futex resumed> ) = -1 ETIMEDOUT
>(Connection timed out) <40.999668>
Further ftrace on hrtimer event indicates that the hrtimer is triggered in time,
but futex( FUTEX_WAIT_PRIVATE) returned
1, strace on gdm-binary
exec strace -e futex -fttT -o /tmp/gdm.trace gdm-binary $CONFIG_FILE
2, many tests show long time delay found in futex() syscall, such as
before:
1486 00:48:26.075713 futex(0x1baa75c, FUTEX_WAIT_PRIVATE, 1, {14, 999571869}
1486 00:49:07.075534 <... futex resumed> ) = -
1, some progress
- if gdm is enabled, even '$' over ttyO2 comes very late when login from
serial tty, see detailed analysis
in next part.
- if gdm is disabled, '$' over ttyO2 comes very quickly if login from serial
tty.
- so gdm is involved in the slow boot issue
2, strace log
With
Also found there is interval of ~1.5 min from running of /etc/gdm/Init/Default
to
running of /etc/gdm/ProSession/Default.
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Title:
natty slow boo
Ricardo Salveti,
1, ehci issue
- see the detailed log of ehci failure in attachment of #2, please point
out if you think it is still not enough for you.
- The MLO in http://people.canonical.com/~rsalveti/784421/MLO still doesn't
make ehci of my pandaboard work, same with
nattay release.
- I ca
It is the creating of 512MB SWAP.swap which consumes about extra 2min. The boot
time is decreased a lot
once I commented the line below in /etc/fstab:
/SWAP.swapnone swapsw 0 0
The swap file to be created is 512M bytes, so takes long time since the rootfs
is over mmc card
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?
I have found that it is MLO in natty release which caused ehci on my pandabord
not work,
but how about the slow boot issue?
thanks,
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Title:
natt
Hi Ricardo Salveti,
Yes, you are right.
There was a story about it, i don't use released u-boot and mlo because they
can't make ehci
work so i build the mlo and u-boot myself from below trees and fix my ehci
issue.
X-loader:
git://git.omapzoom.org/repo/x-loader.git
branch: omap4_de
Public bug reported:
About 4~5 minutes are taken before login UI comes from power on.
- natty on my pandaboard(A1)
see the uart log from : https://pastebin.canonical.com/47563/
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Undecided
Status: New
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thanks,
Ming Lei
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Title:
oprofile failure on panda (omap4)
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.info/?t=130471082300010&r=1&w=2
but still have not a good solution to fix this, I will try to figure out
a patch to address the issue.
thanks,
Ming Lei
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Anyone who has panda A1 board may try to reproduce the issue.
If at least two guys may observe no such issue on A1, we can
confirm it is a hardware-dependent issue.
Also we can run memory test in uboot or linux(use memtester) to
see if any hardware related issue can be found about DDR on EA1.
Br
Hi Marcin,
Suppose you use ubuntu rootfs, usb(ehci-omap) does not work on my pandaboard
with
the kernel and modules(even with ubuntu 10 and 11 release for omap4), but is OK
if I run
the same kernel and modules on Angstrom.
I guess some Ubuntu applications does some special things which may cas
kernel and modules binary files:
see attachment
** Attachment added: "kernel_modules_2.6.38-rc4-next-20110208+.tar.gz"
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/633227/+attachment/1851649/+files/kernel_modules_2.6.38-rc4-next-20110208%2B.tar.gz
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kernel : 2.6.38-rc4 + patch-v2.6.38-rc4-next-20110208.bz2 +
fix_timer_lockdep_warning.patch(this attachment file)
config : see config.tar.gz of last attachment log.tar.gz
** Patch added: "fix_timer_lockdep_warning.patch"
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/633227/+a
Seems A1 board is more stable than EA1 version.
I had one EA1 pandaboard before, but was destroyed, so I buy another A1
board.
Attach the kernel building log(build_log.tar.gz) and the config
file(20110214-panda.log.tar.gz)
used in building kernel for my A1 pandaboard.
>From the log, you may see
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