Possible ZFS livelock or SCHED_ULE bug ?

2009-12-16 Thread Arnaud Houdelette
Hi all ! I got a UniProcessor AMD64 box, with 512 MB ram with 2 ZFS pools as a home-NAS. I got some IO issues since I moved from 7.2 to 8.0. With a GENERIC kernel (or a stripped down one), during high IO activity (as a make buildword can cause), I encounter random hangs or deadlocks. top

Re: Possible ZFS livelock or SCHED_ULE bug ?

2009-12-16 Thread Ben Kelly
On Dec 16, 2009, at 11:04 AM, Arnaud Houdelette wrote: Hi all ! I got a UniProcessor AMD64 box, with 512 MB ram with 2 ZFS pools as a home-NAS. I got some IO issues since I moved from 7.2 to 8.0. With a GENERIC kernel (or a stripped down one), during high IO activity (as a make

Re: Possible ZFS livelock or SCHED_ULE bug ?

2009-12-16 Thread Arnaud Houdelette
Ben Kelly wrote: On Dec 16, 2009, at 11:04 AM, Arnaud Houdelette wrote: Hi all ! I got a UniProcessor AMD64 box, with 512 MB ram with 2 ZFS pools as a home-NAS. I got some IO issues since I moved from 7.2 to 8.0. With a GENERIC kernel (or a stripped down one), during high IO activity (as