Re: Possible regression due to "hrtimer: Get rid of hrtimer softirq"

Simon Horman writes: > Hi Thomas, > > On Thu, May 07, 2015 at 02:35:59PM +0200, Thomas Gleixner wrote: >> On Thu, 7 May 2015, Simon Horman wrote: >> > [ cut here ] >> > kernel BUG at kernel/irq_work.c:135! >> >> BUG_ON(!irqs_disabled()); >> >> So something enables

Re: Possible regression due to hrtimer: Get rid of hrtimer softirq

Simon Horman ho...@verge.net.au writes: Hi Thomas, On Thu, May 07, 2015 at 02:35:59PM +0200, Thomas Gleixner wrote: On Thu, 7 May 2015, Simon Horman wrote: [ cut here ] kernel BUG at kernel/irq_work.c:135! BUG_ON(!irqs_disabled()); So something enables

Re: Possible regression due to "hrtimer: Get rid of hrtimer softirq"

Hi Thomas, On Thu, May 07, 2015 at 02:35:59PM +0200, Thomas Gleixner wrote: > On Thu, 7 May 2015, Simon Horman wrote: > > [ cut here ] > > kernel BUG at kernel/irq_work.c:135! > > BUG_ON(!irqs_disabled()); > > So something enables interrupts in the periodic tick

Re: Possible regression due to "hrtimer: Get rid of hrtimer softirq"

On Thu, 7 May 2015, Simon Horman wrote: > [ cut here ] > kernel BUG at kernel/irq_work.c:135! BUG_ON(!irqs_disabled()); So something enables interrupts in the periodic tick handling machinery. Seems you have high resolution timers disabled, but nohz enabled. And that

Possible regression due to "hrtimer: Get rid of hrtimer softirq"

Hi, I have observed what appears to be a regression while testing next-20150507 which seems to be caused by c6eb3f70d4482 ("hrtimer: Get rid of hrtimer softirq"). The problem manifests on the Koelsch board which is based on the Renesas ARM r8a7791 SoC as per the boot log below which was obtained

Possible regression due to hrtimer: Get rid of hrtimer softirq

Hi, I have observed what appears to be a regression while testing next-20150507 which seems to be caused by c6eb3f70d4482 (hrtimer: Get rid of hrtimer softirq). The problem manifests on the Koelsch board which is based on the Renesas ARM r8a7791 SoC as per the boot log below which was obtained

Re: Possible regression due to hrtimer: Get rid of hrtimer softirq

On Thu, 7 May 2015, Simon Horman wrote: [ cut here ] kernel BUG at kernel/irq_work.c:135! BUG_ON(!irqs_disabled()); So something enables interrupts in the periodic tick handling machinery. Seems you have high resolution timers disabled, but nohz enabled. And that code

Re: Possible regression due to hrtimer: Get rid of hrtimer softirq

Hi Thomas, On Thu, May 07, 2015 at 02:35:59PM +0200, Thomas Gleixner wrote: On Thu, 7 May 2015, Simon Horman wrote: [ cut here ] kernel BUG at kernel/irq_work.c:135! BUG_ON(!irqs_disabled()); So something enables interrupts in the periodic tick handling