Re: [ Linux 4.4 stable ] missing 'printk: set may_schedule for some of console_trylock() callers'

2017-07-26 Thread Petr Mladek
On Wed 2017-07-26 01:33:25, Sergey Senozhatsky wrote: > Hello, > > On (07/25/17 06:57), Greg KH wrote: > > On Tue, Jul 25, 2017 at 10:28:16AM +0200, Michael Wang wrote: > > > Hi, greg k-h > > > > > > During our testing with 4.4.73 we got soft lockup like: > > > > > > NMI watchdog: BUG: soft

Re: [ Linux 4.4 stable ] missing 'printk: set may_schedule for some of console_trylock() callers'

2017-07-26 Thread Petr Mladek
On Wed 2017-07-26 01:33:25, Sergey Senozhatsky wrote: > Hello, > > On (07/25/17 06:57), Greg KH wrote: > > On Tue, Jul 25, 2017 at 10:28:16AM +0200, Michael Wang wrote: > > > Hi, greg k-h > > > > > > During our testing with 4.4.73 we got soft lockup like: > > > > > > NMI watchdog: BUG: soft

Re: [ Linux 4.4 stable ] missing 'printk: set may_schedule for some of console_trylock() callers'

2017-07-25 Thread Sergey Senozhatsky
Hello, On (07/25/17 06:57), Greg KH wrote: > On Tue, Jul 25, 2017 at 10:28:16AM +0200, Michael Wang wrote: > > Hi, greg k-h > > > > During our testing with 4.4.73 we got soft lockup like: > > > > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [systemd-udevd:856] > > ... > > Call

Re: [ Linux 4.4 stable ] missing 'printk: set may_schedule for some of console_trylock() callers'

2017-07-25 Thread Sergey Senozhatsky
Hello, On (07/25/17 06:57), Greg KH wrote: > On Tue, Jul 25, 2017 at 10:28:16AM +0200, Michael Wang wrote: > > Hi, greg k-h > > > > During our testing with 4.4.73 we got soft lockup like: > > > > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [systemd-udevd:856] > > ... > > Call

Re: [ Linux 4.4 stable ] missing 'printk: set may_schedule for some of console_trylock() callers'

2017-07-25 Thread Greg KH
On Tue, Jul 25, 2017 at 10:28:16AM +0200, Michael Wang wrote: > Hi, greg k-h > > During our testing with 4.4.73 we got soft lockup like: > > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [systemd-udevd:856] > ... > Call Trace: > [] vprintk_emit+0x319/0x4a0 > []

Re: [ Linux 4.4 stable ] missing 'printk: set may_schedule for some of console_trylock() callers'

2017-07-25 Thread Greg KH
On Tue, Jul 25, 2017 at 10:28:16AM +0200, Michael Wang wrote: > Hi, greg k-h > > During our testing with 4.4.73 we got soft lockup like: > > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [systemd-udevd:856] > ... > Call Trace: > [] vprintk_emit+0x319/0x4a0 > []