Michal Piotrowski napisał(a):
> On 17/02/07, Alex Riesen <[EMAIL PROTECTED]> wrote:
>> Thomas Gleixner, Sat, Feb 17, 2007 16:14:17 +0100:
>> > On Sat, 2007-02-17 at 15:47 +0100, Alex Riesen wrote:
>> > > > > 164 if (need_resched())
>> > > > > 165 goto end;
>> > > > >
On 18/02/07, Alex Riesen <[EMAIL PROTECTED]> wrote:
Thomas Gleixner, Sun, Feb 18, 2007 13:36:56 +0100:
> On Sun, 2007-02-18 at 10:50 +0100, Alex Riesen wrote:
> > > The arch/i386/kernel/process.c part of the patch should apply to 2.6.20
> > > as well. Can you check if the problem is there too ?
>
On Sun, 2007-02-18 at 10:50 +0100, Alex Riesen wrote:
> > The arch/i386/kernel/process.c part of the patch should apply to 2.6.20
> > as well. Can you check if the problem is there too ?
>
> It does not apply and does not look trivially hackable.
> The code for cpu_idle was introduced in 2ff2d3d7
On Sat, 2007-02-17 at 23:41 +0100, Michal Piotrowski wrote:
> sudo cat /var/log/messages | grep Idle
> Feb 17 17:35:34 bitis-gabonica kernel: Idle: local softirq pending:
> 0020<6>hdd: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache,
> UDMA(33)
> Feb 17 19:20:01 bitis-gabonica kernel: Idle: loc
On 17/02/07, Alex Riesen <[EMAIL PROTECTED]> wrote:
Thomas Gleixner, Sat, Feb 17, 2007 16:14:17 +0100:
> On Sat, 2007-02-17 at 15:47 +0100, Alex Riesen wrote:
> > > > 164 if (need_resched())
> > > > 165 goto end;
> > > > 166
> > > > 167 cpu = smp_proces
On Sat, 2007-02-17 at 17:46 +0100, Alex Riesen wrote:
> > Can you please apply the patch below, so we can at least see, which
> > softirq is pending. This should trigger independently of hrtimers and
> > dynticks. You can keep it compiled in and disable it at the kernel
> > commandline with "nohz=o
On Sat, 2007-02-17 at 15:47 +0100, Alex Riesen wrote:
> > > 164 if (need_resched())
> > > 165 goto end;
> > > 166
> > > 167 cpu = smp_processor_id();
> > > 168 BUG_ON(local_softirq_pending());
> >
> > Hmm, the BUG_ON is inside of an interrupt
On 16/02/07, Thomas Gleixner <[EMAIL PROTECTED]> wrote:
On Fri, 2007-02-16 at 21:38 +0100, Michal Piotrowski wrote:
> Hi,
>
> This looks like a tickless stuff
Yup.
> 0xc0139ea0 is in tick_nohz_stop_sched_tick
(/mnt/md0/devel/linux-git/kernel/time/tick-sched.c:168).
> 163
> 164 if (
On Fri, 2007-02-16 at 21:38 +0100, Michal Piotrowski wrote:
> Hi,
>
> This looks like a tickless stuff
Yup.
> 0xc0139ea0 is in tick_nohz_stop_sched_tick
> (/mnt/md0/devel/linux-git/kernel/time/tick-sched.c:168).
> 163
> 164 if (need_resched())
> 165 goto end;
> 1
Hi,
This looks like a tickless stuff
[ cut here ]
kernel BUG at /mnt/md0/devel/linux-git/kernel/time/tick-sched.c:168!
invalid opcode: [#1]
PREEMPT SMP
Modules linked in: rtc unix
CPU:0
EIP:0060:[]Not tainted VLI
EFLAGS: 00010002 (2.6.20 #53)
EIP is at t
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