On Fri, Jan 23, 2015 at 12:07:32AM -0800, Christoph Hellwig wrote: > This series breaks xfstests with the first test when used together > with a local pnfs block export. And here is the backtrace before it hangs, sorry: generic/001 14s ...[ 116.095264] pNFS: using block device vdb [ 116.478161] ------------[ cut here ]------------ [ 116.478773] WARNING: CPU: 3 PID: 4483 at fs/nfs/pnfs.c:1738 pnfs_generic_pg_init_write+0x8f/0xa0() [ 116.479622] Modules linked in: [ 116.480029] CPU: 3 PID: 4483 Comm: fill Not tainted 3.19.0-rc5+ #1549 [ 116.480886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 116.481764] ffffffff822ec4aa ffff88007a9c3918 ffffffff81df2678 ffff88007c3e5150 [ 116.483234] 0000000000000000 ffff88007a9c3958 ffffffff810ba9f2 0000000000000000 [ 116.484435] ffff88007a9c3c48 ffff88007a4d3e40 ffff88007b5e3870 0000000000000040 [ 116.485337] Call Trace: [ 116.485617] [<ffffffff81df2678>] dump_stack+0x45/0x57 [ 116.486118] [<ffffffff810ba9f2>] warn_slowpath_common+0x92/0xd0 [ 116.486820] [<ffffffff810baa45>] warn_slowpath_null+0x15/0x20 [ 116.487490] [<ffffffff81393cdf>] pnfs_generic_pg_init_write+0x8f/0xa0 [ 116.488223] [<ffffffff8139c8a2>] bl_pg_init_write+0x92/0x140 [ 116.488871] [<ffffffff813559e0>] __nfs_pageio_add_request+0xf0/0x470 [ 116.489586] [<ffffffff81356293>] nfs_pageio_add_request+0x93/0x1c0 [ 116.490319] [<ffffffff811788ff>] ? find_get_pages_tag+0x1f/0x190 [ 116.491001] [<ffffffff81359ed0>] nfs_do_writepage+0x120/0x1e0 [ 116.491660] [<ffffffff8135a048>] nfs_writepages_callback+0x18/0x30 [ 116.492362] [<ffffffff81182616>] write_cache_pages+0x1e6/0x490 [ 116.493029] [<ffffffff8135a030>] ? nfs_writepage_locked+0xa0/0xa0 [ 116.493746] [<ffffffff8135a124>] nfs_writepages+0x94/0x130 [ 116.494379] [<ffffffff8118428c>] do_writepages+0x1c/0x40 [ 116.495003] [<ffffffff8117a281>] __filemap_fdatawrite_range+0x51/0x60 [ 116.495726] [<ffffffff8117a365>] filemap_write_and_wait_range+0x35/0x80 [ 116.496468] [<ffffffff813843df>] nfs4_file_fsync+0x5f/0xb0 [ 116.497323] [<ffffffff81384670>] ? nfs4_file_llseek+0x60/0x60 [ 116.498375] [<ffffffff811f7074>] vfs_fsync+0x24/0x40 [ 116.499329] [<ffffffff8134bd02>] nfs_file_flush+0x82/0xc0 [ 116.500418] [<ffffffff811c3f35>] filp_close+0x35/0x80 [ 116.501204] [<ffffffff811e4294>] put_files_struct+0x94/0xe0 [ 116.502007] [<ffffffff811e439d>] exit_files+0x4d/0x60 [ 116.502804] [<ffffffff810bce16>] do_exit+0x2b6/0xa60 [ 116.503491] [<ffffffff811c8ae8>] ? __sb_end_write+0x78/0x80 [ 116.504154] [<ffffffff81dfda1c>] ? retint_swapgs+0x13/0x1b [ 116.504799] [<ffffffff810bd697>] do_group_exit+0x47/0xc0 [ 116.505425] [<ffffffff810bd722>] SyS_exit_group+0x12/0x20 [ 116.506058] [<ffffffff81dfcda9>] system_call_fastpath+0x12/0x17 [ 116.506782] ---[ end trace f766241646eab9dc ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
