Re: Need some assistance/direction in determining a system hang during heavy IO (resolved)

2017-10-26 Thread Cheyenne Wills
On Thu, Oct 26, 2017 at 11:41 AM, Roman Mamedov wrote: > On Thu, 26 Oct 2017 09:40:19 -0600 > Cheyenne Wills wrote: > >> Briefly when I upgraded a system from 4.0.5 kernel to 4.9.5 (and >> later) I'm seeing a blocked task timeout with heavy IO against

Re: Need some assistance/direction in determining a system hang during heavy IO

2017-10-26 Thread Cheyenne Wills
On Thu, Oct 26, 2017 at 11:41 AM, Roman Mamedov wrote: > On Thu, 26 Oct 2017 09:40:19 -0600 > Cheyenne Wills wrote: > >> Briefly when I upgraded a system from 4.0.5 kernel to 4.9.5 (and >> later) I'm seeing a blocked task timeout with heavy IO against

Re: Need some assistance/direction in determining a system hang during heavy IO

2017-10-26 Thread Roman Mamedov
On Thu, 26 Oct 2017 09:40:19 -0600 Cheyenne Wills wrote: > Briefly when I upgraded a system from 4.0.5 kernel to 4.9.5 (and > later) I'm seeing a blocked task timeout with heavy IO against a > multi-lun btrfs filesystem. I've tried a 4.12.12 kernel and am still >

Need some assistance/direction in determining a system hang during heavy IO

2017-10-26 Thread Cheyenne Wills
A while back I opened an issue in the IO/Storage Block layer in kernel bugzilla -- though it may be going to the wrong queue. Was wondering if someone could take a quick look at https://bugzilla.kernel.org/show_bug.cgi?id=193331 and see if the problem rings a bell, or if it's in the wrong