Re: [Intel-wired-lan] [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

Eric Dumazet : [...] > I would prefer having a definitive advice from Thomas Gleixner and/or > others if disable_irq() is forbidden from IRQ path. > > As I said, about all netpoll() methods in net drivers use disable_irq() > so a lot of patches would be needed. s/about

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

Hi Sabrina, The idea when this first came up was to skip the sleeping part of disable_irq(): http://marc.info/?l=linux-netdev=142314159626052 This fell off my todolist and I didn't send the conversion patches, which would basically look like this: Yes it works in the several machines that

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Thu, 28 Jul 2016, Sabrina Dubroca wrote: > 2016-07-28, 07:43:55 +0200, Eric Dumazet wrote: > > I would prefer having a definitive advice from Thomas Gleixner and/or > > others if disable_irq() is forbidden from IRQ path. Yes it is. Before we added threaded interrupt handlers it was not an

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

2016-07-28, 07:43:55 +0200, Eric Dumazet wrote: > On Wed, 2016-07-27 at 14:38 -0700, Jeff Kirsher wrote: > > On Tue, 2016-07-26 at 11:14 +0200, Eric Dumazet wrote: > > > Could you try this ? > > > > > > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c > > >

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Thu, 28 Jul 2016 09:45:12 +0200, Thomas Gleixner said: > On Tue, 26 Jul 2016, nick wrote: > > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c > > b/drivers/net/ethernet/intel/e1000/e1000_main.c > > index f42129d..e1830af 100644 > > --- a/drivers/net/ethernet/intel/e1000/e1000_main.c

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Tue, 26 Jul 2016, nick wrote: > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c > b/drivers/net/ethernet/intel/e1000/e1000_main.c > index f42129d..e1830af 100644 > --- a/drivers/net/ethernet/intel/e1000/e1000_main.c > +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c > @@ -3797,7

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Wed, 2016-07-27 at 14:38 -0700, Jeff Kirsher wrote: > On Tue, 2016-07-26 at 11:14 +0200, Eric Dumazet wrote: > > Could you try this ? > > > > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c > > b/drivers/net/ethernet/intel/e1000/e1000_main.c > > index > >

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Tue, 2016-07-26 at 11:14 +0200, Eric Dumazet wrote: > Could you try this ? > > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c > b/drivers/net/ethernet/intel/e1000/e1000_main.c > index > f42129d09e2c23ba9fdb5cde890d50ecb7166a42..a53c41c4c4f7d1fe52f95a2cab8784a > 938b3820b 100644 >

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Wed, 2016-07-27 at 23:01 +0800, Fengguang Wu wrote: > On Tue, Jul 26, 2016 at 06:28:33PM +0200, Eric Dumazet wrote: > >On Tue, 2016-07-26 at 23:32 +0800, Fengguang Wu wrote: > >> Hi Eric, > >> > >> It works! > >> > >> On Tue, Jul 26, 2016 at 11:14:52AM +0200, Eric Dumazet wrote: > >> >On Tue,

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Tue, Jul 26, 2016 at 06:28:33PM +0200, Eric Dumazet wrote: On Tue, 2016-07-26 at 23:32 +0800, Fengguang Wu wrote: Hi Eric, It works! On Tue, Jul 26, 2016 at 11:14:52AM +0200, Eric Dumazet wrote: >On Tue, 2016-07-26 at 11:50 +0800, Fengguang Wu wrote: >> Greetings, >> >> This BUG message

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Tue, 2016-07-26 at 23:32 +0800, Fengguang Wu wrote: > Hi Eric, > > It works! > > On Tue, Jul 26, 2016 at 11:14:52AM +0200, Eric Dumazet wrote: > >On Tue, 2016-07-26 at 11:50 +0800, Fengguang Wu wrote: > >> Greetings, > >> > >> This BUG message can be found in recent kernels as well as v4.4

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

Hi Eric, It works! On Tue, Jul 26, 2016 at 11:14:52AM +0200, Eric Dumazet wrote: On Tue, 2016-07-26 at 11:50 +0800, Fengguang Wu wrote: Greetings, This BUG message can be found in recent kernels as well as v4.4 and linux-stable. It happens when running modprobe netconsole

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Tue, 26 Jul 2016, Fengguang Wu wrote: > --- a/drivers/net/ethernet/intel/e1000/e1000_main.c > +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c > @@ -3797,7 +3797,7 @@ static irqreturn_t e1000_intr(int irq, void *data) > hw->get_link_status = 1; > /* guard against

Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

On Tue, 2016-07-26 at 11:50 +0800, Fengguang Wu wrote: > Greetings, > > This BUG message can be found in recent kernels as well as v4.4 and > linux-stable. It happens when running > > modprobe netconsole netconsole=@/,$port@$server/ > > [ 39.937534] 22 Jul 13:30:40 ntpdate[440]: step

[e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

Greetings, This BUG message can be found in recent kernels as well as v4.4 and linux-stable. It happens when running modprobe netconsole netconsole=@/,$port@$server/ [ 39.937534] 22 Jul 13:30:40 ntpdate[440]: step time server 192.168.1.1 offset -673.833841 sec [ 39.943285]