On 04/06/2013 01:22 AM, Peter Hurley wrote:
> I'll see if I can reproduce this over the weekend on an old single-core
> laptop I
> still have.
TIA for doing this.
> There were some race conditions in the N_TTY line discipline which I
> recently fixed. Those changes are in linux-next. Can you tes
[ --cc Ingo and Peter Z. as this is not scheduler-related]
On Tue, 2013-04-02 at 18:56 +0530, Vineet Gupta wrote:
> On 04/01/2013 08:40 PM, Peter Hurley wrote:
> > On Mon, 2013-04-01 at 19:27 +0530, Vineet Gupta wrote:
> >> Hi,
> >>
> >> Any thoughts: I observe the same issue even with CONFIG_PREE
Hi Ilya
On 04/03/2013 11:14 AM, Ilya Zykov wrote:
> Please, try this patch maybe it can help localize your problem.
>
> drivers/tty/n_tty.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
> index 05e72be..28f15d0 100644
> --- a/drivers/tty/n_tty.
Please, try this patch maybe it can help localize your problem.
drivers/tty/n_tty.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 05e72be..28f15d0 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -230,6 +230,7 @@ static void reset
On Tue, 2013-04-02 at 18:56 +0530, Vineet Gupta wrote:
> On 04/01/2013 08:40 PM, Peter Hurley wrote:
> > On Mon, 2013-04-01 at 19:27 +0530, Vineet Gupta wrote:
> >> On 03/30/2013 06:05 PM, Vineet Gupta wrote:
> >>> Hung find task is sitting in the schedule() call in n_tty_write()
> >>>
> >>> [ARCLi
On 04/01/2013 08:40 PM, Peter Hurley wrote:
> On Mon, 2013-04-01 at 19:27 +0530, Vineet Gupta wrote:
>> Hi,
>>
>> Any thoughts: I observe the same issue even with CONFIG_PREEMPT and
>> CONFIG_PREEMPT_COUNT
>>
>> -Vineet
>>
>> On 03/30/2013 06:05 PM, Vineet Gupta wrote:
>>> Hi,
>>>
>>> I've been str
Hi Peter,
On 04/01/2013 08:40 PM, Peter Hurley wrote:
> On Mon, 2013-04-01 at 19:27 +0530, Vineet Gupta wrote:
>> Hi,
>>
>> Any thoughts: I observe the same issue even with CONFIG_PREEMPT and
>> CONFIG_PREEMPT_COUNT
>>
>> -Vineet
>>
>> On 03/30/2013 06:05 PM, Vineet Gupta wrote:
>>> Hi,
>>>
>>> I'
On Mon, 2013-04-01 at 19:27 +0530, Vineet Gupta wrote:
> Hi,
>
> Any thoughts: I observe the same issue even with CONFIG_PREEMPT and
> CONFIG_PREEMPT_COUNT
>
> -Vineet
>
> On 03/30/2013 06:05 PM, Vineet Gupta wrote:
> > Hi,
> >
> > I've been stress testing ARC Linux 3.8 (same happens for 3.9-rc
Hi,
Any thoughts: I observe the same issue even with CONFIG_PREEMPT and
CONFIG_PREEMPT_COUNT
-Vineet
On 03/30/2013 06:05 PM, Vineet Gupta wrote:
> Hi,
>
> I've been stress testing ARC Linux 3.8 (same happens for 3.9-rc3 as well). The
> setup has 3 telnet sessions, each running find . -name "*"
Hi,
I've been stress testing ARC Linux 3.8 (same happens for 3.9-rc3 as well). The
setup has 3 telnet sessions, each running find . -name "*" in a loop.
The platform is a FPGA @ 80 MHz, running a single core ARC700 so kernel .config
has !SMP and PREEMPT_NONE.
After ~10 mins of run, I see that one
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