Hi Giridhara,
http://ark.intel.com/products/64622/Intel-Xeon-Processor-E5-4650-20M-Cache-2_70-GHz-8_00-GTs-Intel-QPI
Show it has only 8 core of CPU. Why are you setting the CONFIG_NR_CPUS=64.
certainly it will have a issue in the kernel.
-Anand Moon
On Tuesday, January 27, 2015 10:27 AM, Gir
7 swappers and one process with name doe:handler
In pawapper processes aswell, when i see the backtrace i see some
mem aborts but couldnot get to the place which is holding the lock
On Tuesday, January 27, 2015, Arun KS wrote:
> Hi Manty,
>
> On Tue, Jan 27, 2015 at 11:52 AM, manty kuma > wro
Dear Arun,
typedef struct raw_spinlock {
arch_spinlock_t raw_lock;
#ifdef CONFIG_GENERIC_LOCKBREAK
unsigned int break_lock;
#endif
#ifdef CONFIG_DEBUG_SPINLOCK
unsigned int magic, owner_cpu;
void *owner;
#endif
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
}
Hi Manty,
On Tue, Jan 27, 2015 at 11:52 AM, manty kuma wrote:
> Dear Arun,
>
> typedef struct raw_spinlock {
> arch_spinlock_t raw_lock;
> #ifdef CONFIG_GENERIC_LOCKBREAK
> unsigned int break_lock;
> #endif
> #ifdef CONFIG_DEBUG_SPINLOCK
> unsigned int magic, owner_cpu;
> void *ow
Thank you Sanjeev,
But as of now i am not sure on how to reproduce the issue. So i have to
deal with the dump.
Regards,
Manty
On Tue, Jan 27, 2015 at 3:17 PM, sanjeev sharma wrote:
> Hello
>
> you can try to print running task backtrack information in kernel/lockdep.c
>
> Regards
> Sanjeev Sha
Hello
you can try to print running task backtrack information in kernel/lockdep.c
Regards
Sanjeev Sharma
On Tue, Jan 27, 2015 at 11:27 AM, manty kuma wrote:
> Hi All,
>
> Currently I am looking into an issue which is holding the printk
> lock(logbuf_lock)
>
> logbuf_lock = {
> raw_lock = {
>
Hello Manty,
On Tue, Jan 27, 2015 at 11:27 AM, manty kuma wrote:
>
> Hi All,
>
> Currently I am looking into an issue which is holding the printk
> lock(logbuf_lock)
>
> logbuf_lock = {
> raw_lock = {
> owner = 0,
> next = 4
> }
> }
>
> I read about ticketing spinlocks to understand
Hi All,
Currently I am looking into an issue which is holding the printk
lock(logbuf_lock)
logbuf_lock = {
raw_lock = {
owner = 0,
next = 4
}
}
I read about ticketing spinlocks to understand the above output. I
understood that 4 cpu's are waiting for the lock while someone already ha
Hi Gunjan
On Sun, Jan 25, 2015 at 5:13 AM, Gunjan Mehta wrote:
> Any online links for study and understanding?
> Or any other institute?
>
> On Wed, Jan 21, 2015 at 9:42 PM, Saket Sinha
> wrote:
>>
>> Hi,
>>
>> I would refer Anil Pugalia from Sysplay(http://sysplay.in/) .
>>
>> You can find his
Hello,
First of all you need to decide whether you would like to do by yourself or
like to get training from Training center.I am assuming that you have fair
understanding of character device driver and Linux kernel internals because
you are seeking help in block device driver.
you should prefer
-Original Message-
From: valdis.kletni...@vt.edu [mailto:valdis.kletni...@vt.edu]
Sent: Tuesday, January 27, 2015 10:15 AM
To: Giridhara RP (grp)
Cc: Greg KH; kernelnewbies@kernelnewbies.org
Subject: Re: Kernel 2.6.32.60 64bit Crash/Hung
On Tue, 27 Jan 2015 04:06:00 +, "Giridhara RP (
On Tue, 27 Jan 2015 04:06:00 +, "Giridhara RP (grp)" said:
> Which kernel version should I use to solve this crash/panic?
That will depend on exactly why you're still running a 2.6.32 kernel
from 6 years ago. Remember - the fact it's all the way up to 2.6.32.65
doesn't mean you have all the b
-Original Message-
From: valdis.kletni...@vt.edu [mailto:valdis.kletni...@vt.edu]
Sent: Tuesday, January 27, 2015 9:32 AM
To: Giridhara RP (grp)
Cc: Greg KH; kernelnewbies@kernelnewbies.org
Subject: Re: Kernel 2.6.32.60 64bit Crash/Hung
On Tue, 27 Jan 2015 03:52:05 +, "Giridhara RP (g
On Tue, 27 Jan 2015 03:52:05 +, "Giridhara RP (grp)" said:
> Thanks for the quick turnaround. Which is the stable version? Kernel
> 2.6.32.60 was used in RHEL 6.2 and we thought this kernel version is stable.
It's stable enough that RedHat can afford to keep supporting its paying
customers.
Hi Greg,
Thanks for the quick turnaround. Which is the stable version? Kernel 2.6.32.60
was used in RHEL 6.2 and we thought this kernel version is stable.
Regards
Giri
-Original Message-
From: Greg KH [mailto:g...@kroah.com]
Sent: Tuesday, January 27, 2015 8:19 AM
To: Giridhara RP (gr
On Tue, Jan 27, 2015 at 12:06:56AM +, Giridhara RP (grp) wrote:
> Hi,
>
>
>
> I am facing crash/hang with 2.6.32.60 Kernel (64bit).
Note this is a _very_ old and obsolete kernel, please use a modern
kernel release if you wish to get help from the community.
If you are being forced to use
Hello,
Please note my CPU is this.
Intel(R) Xeon(R) CPU E5-4650 v2 @ 2.40GHz stepping 04
From: Giridhara RP (grp)
Sent: Tuesday, January 27, 2015 5:37 AM
To: kernelnewbies@kernelnewbies.org
Subject: Kernel 2.6.32.60 64bit Crash/Hung
Hi,
I am facing crash/hang with 2.6.32.60 Kernel (64bit). My
Hi,
I am facing crash/hang with 2.6.32.60 Kernel (64bit). My maxcpus
(CONFIG_NR_CPUS) count is 64 and below is the call trace. I see log saying
"BUG: spinlock lockup on CPU#74". Is it a known bug? If its fixed let me know
the patch. Any pointers really appreciated.
Please note, if I change
On Mon, Jan 26, 2015 at 01:46:26AM +0530, srinivas bakki wrote:
> Anuz,
> Sorry about that. But am also sorry that you could find a problem
> as silly as that. We have a greater problem at hand.
>
I don't think top posting is a silly problem. I think it makes it hard
to follow the threa
On Sun, Jan 25, 2015 at 08:10:15PM +, Anuz Pratap Singh Tomar wrote:
> On Sun, Jan 25, 2015 at 7:38 PM, srinivas bakki
> wrote:
>
> > Valdis,
> >You got to be polite with people.Not everybody is as smart as
> > you, but they would like to contribute. Just keep in in mind that ther
On Mon, Jan 26, 2015 at 1:07 AM, Satwantjit Kaur <99satw...@gmail.com>
wrote:
> Hi,
> I am a final year B.Tech (CSE) student from NIT Jalandhar. I like
> programming and I know C and C++ programming languages. I have worked
> on IPC and socket programming in C/C++. I wish to take up a project
Am 2015-01-26 04:45, schrieb valdis.kletni...@vt.edu:
> On Sun, 25 Jan 2015 16:29:00 -0800, "Robert P. J. Day" said:
>
>> what's wrong with ftrace? but seriously, you know what newcomers
>> might get some value out of doing if they want to contribute? writing
>> some really, really good document
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