Messages in this thread | | | From | Linus Torvalds <> | Date | Thu, 22 Dec 2016 13:10:19 -0800 | Subject | Re: [4.10, panic, regression] iscsi: null pointer deref at iscsi_tcp_segment_done+0x20d/0x2e0 |
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Ok, so the numa issue was a red herring. With that fixed:
On Thu, Dec 22, 2016 at 1:06 PM, Dave Chinner <david@fromorbit.com> wrote: > > Better, but still bad. average files/s is not up to 200k files/s, > so still a good 10-15% off where it should be. xfs_repair is back > down to 10-15% off where it should be, too. bulkstat still fires off > a bad page reference count warning, iscsi still panics immediately.
Do you have CONFIG_BLK_WBT enabled, perhaps?
It's new to this merge window, and I'm not convinced it's been tuned. Particularly for your kinds of fairly extreme IO loads.
Linus
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