Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-21 Thread Bart Van Assche
On Sat, 2017-10-21 at 17:59 +, Bart Van Assche wrote: > On Sat, 2017-10-21 at 19:21 +0200, Oleksandr Natalenko wrote: > > I've cherry-picked this series for current upstream/master branch, and got > > this while performing another suspend try: > > > > === > > [ 62.415890] Freezing of tasks f

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-21 Thread Bart Van Assche
On Sat, 2017-10-21 at 19:21 +0200, Oleksandr Natalenko wrote: > I've cherry-picked this series for current upstream/master branch, and got > this while performing another suspend try: > > === > [ 62.415890] Freezing of tasks failed after 20.007 seconds (1 tasks > refusing > to freeze, wq_busy=

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-21 Thread Oleksandr Natalenko
Well, I've cherry-picked this series for current upstream/master branch, and got this while performing another suspend try: === [ 62.415890] Freezing of tasks failed after 20.007 seconds (1 tasks refusing to freeze, wq_busy=0): [ 62.421150] xfsaild/dm-7D0 289 2 0x8000 [

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-18 Thread Bart Van Assche
On Wed, 2017-10-18 at 07:02 +0200, Oleksandr Natalenko wrote: > I've indeed tested some previous versions of this patchset, but still use > Ming's solution. > > Can it be clarified which one (Bart's or Ming's) is a correct approach? Hello Oleksandr, I think this version (v10) has significant ad

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-17 Thread Oleksandr Natalenko
I've indeed tested some previous versions of this patchset, but still use Ming's solution. Can it be clarified which one (Bart's or Ming's) is a correct approach? On středa 18. října 2017 1:28:14 CEST Jens Axboe wrote: > On 10/17/2017 05:26 PM, Bart Van Assche wrote: > > Hello Jens, > > > > It

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-17 Thread Jens Axboe
On 10/17/2017 05:40 PM, Bart Van Assche wrote: > On Tue, 2017-10-17 at 17:28 -0600, Jens Axboe wrote: >> On 10/17/2017 05:26 PM, Bart Van Assche wrote: >>> It is known that during the resume following a hibernate, especially when >>> using an md RAID1 array created on top of SCSI devices, sometimes

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-17 Thread Bart Van Assche
On Tue, 2017-10-17 at 17:28 -0600, Jens Axboe wrote: > On 10/17/2017 05:26 PM, Bart Van Assche wrote: > > It is known that during the resume following a hibernate, especially when > > using an md RAID1 array created on top of SCSI devices, sometimes the system > > hangs instead of coming up properl

Re: [PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-17 Thread Jens Axboe
On 10/17/2017 05:26 PM, Bart Van Assche wrote: > Hello Jens, > > It is known that during the resume following a hibernate, especially when > using an md RAID1 array created on top of SCSI devices, sometimes the system > hangs instead of coming up properly. This patch series fixes that > problem. T

[PATCH v10 00/10] block, scsi, md: Improve suspend and resume

2017-10-17 Thread Bart Van Assche
Hello Jens, It is known that during the resume following a hibernate, especially when using an md RAID1 array created on top of SCSI devices, sometimes the system hangs instead of coming up properly. This patch series fixes that problem. These patches have been tested on top of the block layer for