At Thu, 8 Nov 2012 10:55:50 -0500 (EST),
Alan Stern wrote:
>
> On Thu, 8 Nov 2012, Takashi Iwai wrote:
>
> > At Thu, 08 Nov 2012 08:31:35 +0100,
> > Daniel Mack wrote:
> > (snip)
> > > >> We can't simply stop both endpoints in the prepare callback.
> > > >
> > > > The new function doesn't stop t
On Thu, 8 Nov 2012, Takashi Iwai wrote:
> At Thu, 08 Nov 2012 08:31:35 +0100,
> Daniel Mack wrote:
> (snip)
> > >> We can't simply stop both endpoints in the prepare callback.
> > >
> > > The new function doesn't stop the stream by itself but it just syncs
> > > if the stream is being stopped bef
At Thu, 08 Nov 2012 08:31:35 +0100,
Daniel Mack wrote:
(snip)
> >> We can't simply stop both endpoints in the prepare callback.
> >
> > The new function doesn't stop the stream by itself but it just syncs
> > if the stream is being stopped beforehand. So, it's safe to call it
> > there.
> >
> >
On 08.11.2012 07:43, Takashi Iwai wrote:
> At Thu, 08 Nov 2012 01:42:59 +0100,
> Daniel Mack wrote:
>>
>> On 07.11.2012 20:19, Takashi Iwai wrote:
>>> At Wed, 7 Nov 2012 12:34:43 -0500 (EST),
>>> Alan Stern wrote:
On Mon, 5 Nov 2012, Christof Meerwald wrote:
> BTW, I have been ab
At Wed, 7 Nov 2012 15:37:17 -0500 (EST),
Alan Stern wrote:
>
> On Wed, 7 Nov 2012, Takashi Iwai wrote:
>
> > > What is the right solution for this problem?
> >
> > How about the patch below? (It's for 3.6, and won't be applied cleanly
> > to 3.7, but easy to adapt.)
>
> I simplified your patch
At Thu, 08 Nov 2012 01:42:59 +0100,
Daniel Mack wrote:
>
> On 07.11.2012 20:19, Takashi Iwai wrote:
> > At Wed, 7 Nov 2012 12:34:43 -0500 (EST),
> > Alan Stern wrote:
> >>
> >> On Mon, 5 Nov 2012, Christof Meerwald wrote:
> >>
> >>> BTW, I have been able to reproduce the problem on a completely
>
On 07.11.2012 20:19, Takashi Iwai wrote:
> At Wed, 7 Nov 2012 12:34:43 -0500 (EST),
> Alan Stern wrote:
>>
>> On Mon, 5 Nov 2012, Christof Meerwald wrote:
>>
>>> BTW, I have been able to reproduce the problem on a completely
>>> different machine (also running Ubuntu 12.10, but different hardware).
On Nov 8, 2012, Takashi Iwai wrote:
> How about the patch below? (It's for 3.6, and won't be applied cleanly
> to 3.7, but easy to adapt.)
This patch fixes my problem, thank you!
You can add me as "Tested by".
Artem
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On Wed, Nov 07, 2012 at 08:19:19PM +0100, Takashi Iwai wrote:
> How about the patch below? (It's for 3.6, and won't be applied cleanly
> to 3.7, but easy to adapt.)
Thanks, that patch seems to fix the problem.
Christof
--
http://cmeerw.org sip:cmeerw at cmeerw.or
On Wed, 7 Nov 2012, Takashi Iwai wrote:
> > What is the right solution for this problem?
>
> How about the patch below? (It's for 3.6, and won't be applied cleanly
> to 3.7, but easy to adapt.)
I simplified your patch a little. This is for 3.7, not 3.6. I
verified that it does fix the proble
At Wed, 7 Nov 2012 12:34:43 -0500 (EST),
Alan Stern wrote:
>
> On Mon, 5 Nov 2012, Christof Meerwald wrote:
>
> > BTW, I have been able to reproduce the problem on a completely
> > different machine (also running Ubuntu 12.10, but different hardware).
> > The important thing appears to be that th
On Mon, 5 Nov 2012, Christof Meerwald wrote:
> BTW, I have been able to reproduce the problem on a completely
> different machine (also running Ubuntu 12.10, but different hardware).
> The important thing appears to be that the USB audio device is
> connected via a USB 2.0 hub (and then using the
On Sat, Nov 03, 2012 at 03:16:36PM +0100, Daniel Mack wrote:
> On 03.11.2012 15:10, Christof Meerwald wrote:
> > http://comments.gmane.org/gmane.comp.voip.twinkle/3052 and
> > http://pastebin.com/aHGe1S1X for a self-contained C test.
> Some questions:
>
> - Are you seeing the same issue with 3.6.
On Sat, 3 Nov 2012, Daniel Mack wrote:
> On 03.11.2012 15:10, Christof Meerwald wrote:
> > On Sat, 20 Oct 2012 23:15:17 + (GMT), Artem S. Tashkinov wrote:
> >> It's almost definitely either a USB driver bug or video4linux driver bug:
> >>
> >> I'm CC'ing linux-media and linux-usb mailing lists
On 03.11.2012 15:10, Christof Meerwald wrote:
> On Sat, 20 Oct 2012 23:15:17 + (GMT), Artem S. Tashkinov wrote:
>> It's almost definitely either a USB driver bug or video4linux driver bug:
>>
>> I'm CC'ing linux-media and linux-usb mailing lists, the problem is described
>> here:
>> https://lk
On Sat, 20 Oct 2012 23:15:17 + (GMT), Artem S. Tashkinov wrote:
> It's almost definitely either a USB driver bug or video4linux driver bug:
>
> I'm CC'ing linux-media and linux-usb mailing lists, the problem is described
> here:
> https://lkml.org/lkml/2012/10/20/35
> https://lkml.org/lkml/201
On Mon, 22 Oct 2012, Artem S. Tashkinov wrote:
> OK, here's what the kernel prints with your patch:
>
> usb 6.1.4: ep 86 list del corruption prev: e5103b54 e5103a94 e51039d4
>
> A small delay before I got thousands of list_del corruption messages would
> have been nice, but I managed to catch th
On Oct 22, 2012, Alan Stern wrote:
> A BUG() at these points would crash the machine hard. And where we
> came from doesn't matter; what matters is the values in the pointers.
OK, here's what the kernel prints with your patch:
usb 6.1.4: ep 86 list del corruption prev: e5103b54 e5103a94 e5103
On Mon, 22 Oct 2012, Daniel Mack wrote:
> On 22.10.2012 17:17, Alan Stern wrote:
> > On Sun, 21 Oct 2012, Artem S. Tashkinov wrote:
> >
> >> dmesg messages up to a crash can be seen here:
> >> https://bugzilla.kernel.org/attachment.cgi?id=84221
> >
> > The first problem in the log is endpoint l
On 22.10.2012 17:17, Alan Stern wrote:
> On Sun, 21 Oct 2012, Artem S. Tashkinov wrote:
>
>> dmesg messages up to a crash can be seen here:
>> https://bugzilla.kernel.org/attachment.cgi?id=84221
>
> The first problem in the log is endpoint list corruption. Here's a
> debugging patch which shou
On Sun, 21 Oct 2012, Artem S. Tashkinov wrote:
> dmesg messages up to a crash can be seen here:
> https://bugzilla.kernel.org/attachment.cgi?id=84221
The first problem in the log is endpoint list corruption. Here's a
debugging patch which should provide a little more information.
Alan Stern
On 21.10.2012 22:43, Artem S. Tashkinov wrote:
>> Nice. Could you do that again with the patch applied I sent yo some
>> hours ago?
>
> That patch was of no help - the system has crashed and I couldn't spot
> relevant
> messages.
>
> I've no idea what it means.
The sequence of driver callbacks
> Nice. Could you do that again with the patch applied I sent yo some
> hours ago?
That patch was of no help - the system has crashed and I couldn't spot relevant
messages.
I've no idea what it means.
Artem
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the body of
On Sun, Oct 21, 2012 at 07:49:01PM +, Artem S. Tashkinov wrote:
> I ran it this way: while :; do dmesg -c; done | scat /dev/sda11 (yes,
> straight to a hdd partition to eliminate a FS cache)
Well, I'm no fs guy but this should still go through the buffer cache. I
think the O_SYNC flag makes su
On 21.10.2012 21:49, Artem S. Tashkinov wrote:
>>
>> On Oct 21, 2012, Borislav Petkov wrote:
>>
>> On Sun, Oct 21, 2012 at 11:59:36AM +, Artem S. Tashkinov wrote:
>>> http://imageshack.us/a/img685/9452/panicz.jpg
>>>
>>> list_del corruption. prev->next should be ... but was ...
>>
>> Btw, thi
>
> On Oct 21, 2012, Borislav Petkov wrote:
>
> On Sun, Oct 21, 2012 at 11:59:36AM +, Artem S. Tashkinov wrote:
> > http://imageshack.us/a/img685/9452/panicz.jpg
> >
> > list_del corruption. prev->next should be ... but was ...
>
> Btw, this is one of the debug options I told you to enabl
On Sun, Oct 21, 2012 at 11:59:36AM +, Artem S. Tashkinov wrote:
> http://imageshack.us/a/img685/9452/panicz.jpg
>
> list_del corruption. prev->next should be ... but was ...
Btw, this is one of the debug options I told you to enable.
> I cannot show you more as I have no serial console to us
On Sun, 21 Oct 2012, Daniel Mack wrote:
> As the usb list is still in Cc: - Artem's lcpci dump shows that his
> machine features XHCI controllers. Can anyone think of a relation to
> this problem?
>
> And Artem, is there any way you boot your system on an older machine
> that only has EHCI ports?
On Sun, 21 Oct 2012, Artem S. Tashkinov wrote:
> What I've found out is that my system crashes *only* when I try to enable
> usb-audio (from the same webcam) - I still have no idea how to capture a
> panic message, but I ran
>
> "while :; do dmesg -c; done" in xterm, then I got like thousands of
On 21.10.2012 16:57, Artem S. Tashkinov wrote:
>> On Oct 21, 2012, Daniel Mack wrote:
>>
>> [Cc: alsa-devel]
>>
>> On 21.10.2012 14:30, Artem S. Tashkinov wrote:
>>> On Oct 21, 2012, Daniel Mack wrote:
>>>
A hint at least. How did you enable the audio record exactly? Can you
reproduce
> On Oct 21, 2012, Daniel Mack wrote:
>
> [Cc: alsa-devel]
>
> On 21.10.2012 14:30, Artem S. Tashkinov wrote:
> > On Oct 21, 2012, Daniel Mack wrote:
> >
> >> A hint at least. How did you enable the audio record exactly? Can you
> >> reproduce this with arecord?
> >>
> >> What chipset are you
[Cc: alsa-devel]
On 21.10.2012 14:30, Artem S. Tashkinov wrote:
> On Oct 21, 2012, Daniel Mack wrote:
>
>> A hint at least. How did you enable the audio record exactly? Can you
>> reproduce this with arecord?
>>
>> What chipset are you on? Please provide both "lspci -v" and "lsusb -v"
>> dumps.
On Oct 21, 2012, Daniel Mack wrote:
> A hint at least. How did you enable the audio record exactly? Can you
> reproduce this with arecord?
>
> What chipset are you on? Please provide both "lspci -v" and "lsusb -v"
> dumps. As I said, I fail to reproduce that issue on any of my machines.
All oth
On 21.10.2012 13:59, Artem S. Tashkinov wrote:
> On Oct 21, 2012, Borislav Petkov wrote:
>>
>> On Sun, Oct 21, 2012 at 01:57:21AM +, Artem S. Tashkinov wrote:
>>> The freeze happens on my *host* Linux PC. For an experiment I decided
>>> to check if I could reproduce the freeze under a virtual m
On 21.10.2012 13:59, Artem S. Tashkinov wrote:
> On Oct 21, 2012, Borislav Petkov wrote:
>>
>> On Sun, Oct 21, 2012 at 01:57:21AM +, Artem S. Tashkinov wrote:
>>> The freeze happens on my *host* Linux PC. For an experiment I decided
>>> to check if I could reproduce the freeze under a virtual m
On Oct 21, 2012, Borislav Petkov wrote:
>
> On Sun, Oct 21, 2012 at 01:57:21AM +, Artem S. Tashkinov wrote:
> > The freeze happens on my *host* Linux PC. For an experiment I decided
> > to check if I could reproduce the freeze under a virtual machine - it
> > turns out the Linux kernel running
On 21.10.2012 12:34, Daniel Mack wrote:
> On 21.10.2012 01:15, Artem S. Tashkinov wrote:
>> You don't get me - I have *no* VirtualBox (or any proprietary) modules
>> running
>> - but I can reproduce this problem using *the same system running under*
>> VirtualBox
>> in Windows 7 64.
>>
>> It's al
On Sun, Oct 21, 2012 at 01:57:21AM +, Artem S. Tashkinov wrote:
> The freeze happens on my *host* Linux PC. For an experiment I decided
> to check if I could reproduce the freeze under a virtual machine - it
> turns out the Linux kernel running under it also freezes.
I know that - but a freeze
On 21.10.2012 01:15, Artem S. Tashkinov wrote:
> You don't get me - I have *no* VirtualBox (or any proprietary) modules running
> - but I can reproduce this problem using *the same system running under*
> VirtualBox
> in Windows 7 64.
>
> It's almost definitely either a USB driver bug or video4li
On Sat, 20 Oct 2012, Artem S. Tashkinov wrote:
> You don't get me - I have *no* VirtualBox (or any proprietary) modules running
> - but I can reproduce this problem using *the same system running under*
> VirtualBox
> in Windows 7 64.
>
> It's almost definitely either a USB driver bug or video4l
> On Oct 21, 2012, Borislav Petkov wrote:
>
> On Sat, Oct 20, 2012 at 11:15:17PM +, Artem S. Tashkinov wrote:
> > You don't get me - I have *no* VirtualBox (or any proprietary) modules
> > running
>
> Ok, good. We got that out of the way - I wanted to make sure after you
> replied with two o
On Sat, Oct 20, 2012 at 11:15:17PM +, Artem S. Tashkinov wrote:
> You don't get me - I have *no* VirtualBox (or any proprietary) modules
> running
Ok, good. We got that out of the way - I wanted to make sure after you
replied with two other possibilities of the system freezing.
> - but I can
You don't get me - I have *no* VirtualBox (or any proprietary) modules running
- but I can reproduce this problem using *the same system running under*
VirtualBox
in Windows 7 64.
It's almost definitely either a USB driver bug or video4linux driver bug:
I'm CC'ing linux-media and linux-usb maili
On Sat, Oct 20, 2012 at 10:32:28PM +0200, Pavel Machek wrote:
> On Sat 2012-10-20 17:41:49, Artem S. Tashkinov wrote:
> > On Oct 20, 2012, Borislav Petkov wrote:
> >
> > > Yeah, your kernel is tainted with a proprietary module (vbox*, etc). Can
> > > you reproduce your corruptions (this is what i
Hi,
I can only reproduce this panic when my USB webcamera is plugged in - when
I click settings in Adobe Flash it sends some commands to my USB webcam using,
presumably, Video4Linux API calls which cause a kernel hard crash.
Your kernel debug features haven't helped at all, even the virtual machi
On Oct 21, 2012, Borislav Petkov wrote:
> Ok, here's what you can try:
>
> * You say this happens with google chrome. Does it happen if you use
> another browser: firefox, etc?
>
> * Can you build a 64-bit kernel and try the same with it? The 32-bit
> userspace should work in compat mode just f
On Sat 2012-10-20 17:41:49, Artem S. Tashkinov wrote:
> On Oct 20, 2012, Borislav Petkov wrote:
>
> > Yeah, your kernel is tainted with a proprietary module (vbox*, etc). Can
> > you reproduce your corruptions (this is what it looks like) without that
> > module?
>
> Yes, I can reproduce this pa
On Sat, Oct 20, 2012 at 05:41:49PM +, Artem S. Tashkinov wrote:
> On Oct 20, 2012, Borislav Petkov wrote:
>
> > Yeah, your kernel is tainted with a proprietary module (vbox*, etc). Can
> > you reproduce your corruptions (this is what it looks like) without that
> > module?
>
> Yes, I can rep
On Sat, Oct 20, 2012 at 12:06:55PM +, Artem S. Tashkinov wrote:
> Hello,
>
> I'm running vanilla Linux 3.6.2 x86 on top of CentOS 6.3 userspace.
>
> Every time when I enter the chat roulette website, right click anywhere and
> choose "Settings",
> my PC crashes (with or without NVIDIA drive
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