On Wed, Oct 26, 2016 at 07:47:51PM -0400, Dave Jones wrote: > On Wed, Oct 26, 2016 at 07:38:08PM -0400, Chris Mason wrote: > > > >- hctx->queued++; > > >- data->hctx = hctx; > > >- data->ctx = ctx; > > >+ data->hctx = alloc_data.hctx; > > >+ data->ctx = alloc_data.ctx; > > >+ data->hctx->queued++; > > > return rq; > > > } > > > > This made it through an entire dbench 2048 run on btrfs. My script has > > it running in a loop, but this is farther than I've gotten before. > > Looking great so far. > > Fixed the splat during boot for me too. > Now the fun part, let's see if it fixed the 'weird shit' that Trinity > was stumbling on.
It took a while, but.. bad news. BUG: Bad page state in process kworker/u8:12 pfn:4e0e39 page:ffffea0013838e40 count:0 mapcount:0 mapping:ffff8804a20310e0 index:0x100c flags: 0x400000000000000c(referenced|uptodate) page dumped because: non-NULL mapping CPU: 3 PID: 1586 Comm: kworker/u8:12 Not tainted 4.9.0-rc3-think+ #1 Workqueue: writeback wb_workfn (flush-btrfs-2) ffffc90000777828 ffffffff8130d04c ffffea0013838e40 ffffffff819ff654 ffffc90000777850 ffffffff81150e5f 0000000000000000 ffffea0013838e40 400000000000000c ffffc90000777860 ffffffff81150f1a ffffc900007778a8 Call Trace: [<ffffffff8130d04c>] dump_stack+0x4f/0x73 [<ffffffff81150e5f>] bad_page+0xbf/0x120 [<ffffffff81150f1a>] free_pages_check_bad+0x5a/0x70 [<ffffffff81153818>] free_hot_cold_page+0x248/0x290 [<ffffffff81153b1b>] free_hot_cold_page_list+0x2b/0x50 [<ffffffff8115c52d>] release_pages+0x2bd/0x350 [<ffffffff8115da62>] __pagevec_release+0x22/0x30 [<ffffffffa00a0d4e>] extent_write_cache_pages.isra.48.constprop.63+0x32e/0x400 [btrfs] [<ffffffffa00a1199>] extent_writepages+0x49/0x60 [btrfs] [<ffffffffa0081840>] ? btrfs_releasepage+0x40/0x40 [btrfs] [<ffffffffa007e993>] btrfs_writepages+0x23/0x30 [btrfs] [<ffffffff8115ac4c>] do_writepages+0x1c/0x30 [<ffffffff811f69f3>] __writeback_single_inode+0x33/0x180 [<ffffffff811f71e8>] writeback_sb_inodes+0x2a8/0x5b0 [<ffffffff811f757d>] __writeback_inodes_wb+0x8d/0xc0 [<ffffffff811f7833>] wb_writeback+0x1e3/0x1f0 [<ffffffff811f7d72>] wb_workfn+0xd2/0x280 [<ffffffff810908d5>] process_one_work+0x1d5/0x490 [<ffffffff81090875>] ? process_one_work+0x175/0x490 [<ffffffff81090bd9>] worker_thread+0x49/0x490 [<ffffffff81090b90>] ? process_one_work+0x490/0x490 [<ffffffff81095d4e>] kthread+0xee/0x110 [<ffffffff81095c60>] ? kthread_park+0x60/0x60 [<ffffffff81790b12>] ret_from_fork+0x22/0x30 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
