Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-12-01 Thread Qian Cai
On 11/12/18 3:39 AM, Marc Zyngier wrote: > On Fri, 09 Nov 2018 18:41:03 +, > Qian Cai wrote: >> >> >> >>> On Nov 9, 2018, at 12:41 PM, Marc Zyngier wrote: >>> >>> On 09/11/18 17:28, Sudeep Holla wrote: On Fri, Nov 9, 2018 at 4:10 PM Marc Zyngier wrote: > [...] > >>>

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-12 Thread Marc Zyngier
On Fri, 09 Nov 2018 18:41:03 +, Qian Cai wrote: > > > > > On Nov 9, 2018, at 12:41 PM, Marc Zyngier wrote: > > > > On 09/11/18 17:28, Sudeep Holla wrote: > >> On Fri, Nov 9, 2018 at 4:10 PM Marc Zyngier wrote: > >>> > >> [...] > >> > >>> > >>> See bb42ca474010 and d003d029cea8 for det

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Qian Cai
> On Nov 9, 2018, at 12:41 PM, Marc Zyngier wrote: > > On 09/11/18 17:28, Sudeep Holla wrote: >> On Fri, Nov 9, 2018 at 4:10 PM Marc Zyngier wrote: >>> >> [...] >> >>> >>> See bb42ca474010 and d003d029cea8 for details. >>> >>> Now, activating this workaround leads to lockdep being really

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Marc Zyngier
On 09/11/18 17:28, Sudeep Holla wrote: > On Fri, Nov 9, 2018 at 4:10 PM Marc Zyngier wrote: >> > [...] > >> >> See bb42ca474010 and d003d029cea8 for details. >> >> Now, activating this workaround leads to lockdep being really angry, >> most likely because the cpus_read_lock is not taken, which is

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Sudeep Holla
On Fri, Nov 9, 2018 at 4:10 PM Marc Zyngier wrote: > [...] > > See bb42ca474010 and d003d029cea8 for details. > > Now, activating this workaround leads to lockdep being really angry, > most likely because the cpus_read_lock is not taken, which is a change > in behaviour... > > I'm trying to dig i

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Marc Zyngier
t git master (b00d209) on an aarch64 server >>>>>>> and saw >>>>>>> this. Not sure about the third warning (at kernel/cpu.c:315 >>>>>>> lockdep_assert_cpus_held+0x50/0x60) relates to irqchip or not, but >>>>>>> ap

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Qian Cai
gt;> this. Not sure about the third warning (at kernel/cpu.c:315 >>>>>> lockdep_assert_cpus_held+0x50/0x60) relates to irqchip or not, but >>>>>> appended it >>>>>> to here anyway just in case. >>>>>> >>>>>&

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Marc Zyngier
On 08/11/18 20:59, Qian Cai wrote: >>>>> Just booting up the latest git master (b00d209) on an aarch64 server and >>>>> saw >>>>> this. Not sure about the third warning (at kernel/cpu.c:315 >>>>> lockdep_assert_cpus_held+0x50/0x60) relat

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Qian Cai
the latest git master (b00d209) on an aarch64 server and >>>> saw >>>> this. Not sure about the third warning (at kernel/cpu.c:315 >>>> lockdep_assert_cpus_held+0x50/0x60) relates to irqchip or not, but >>>> appended it >>>> to here anyway jus

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Marc Zyngier
about the third warning (at kernel/cpu.c:315 >>> lockdep_assert_cpus_held+0x50/0x60) relates to irqchip or not, but appended >>> it >>> to here anyway just in case. >>> >>> [0.00] WARNING: CPU: 0 PID: 0 at >>> drivers/irqchip/irq-gic-v3-its.c:169

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Qian Cai
50/0x60) relates to irqchip or not, but appended > > it > > to here anyway just in case. > > > > [    0.000000] WARNING: CPU: 0 PID: 0 at > > drivers/irqchip/irq-gic-v3-its.c:1696 > > its_init+0x588/0xb54 > > It looks like EFI cannot manage to reserve t

Re: WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-09 Thread Marc Zyngier
just in case. > > [    0.000000] WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c:1696 > its_init+0x588/0xb54 It looks like EFI cannot manage to reserve the memory for your GIC redistributors. Pretty annoying. At the same time, you have reported other issues with the EFI reservati

WARNING: CPU: 0 PID: 0 at drivers/irqchip/irq-gic-v3-its.c

2018-11-08 Thread Qian Cai
Just booting up the latest git master (b00d209) on an aarch64 server and saw this. Not sure about the third warning (at kernel/cpu.c:315 lockdep_assert_cpus_held+0x50/0x60) relates to irqchip or not, but appended it to here anyway just in case. [0.00] WARNING: CPU: 0 PID: 0 at drivers