[Just cc'ing Andrew as this patch is in his tree]
On Mon, 12 Jan 2015 11:19:01 +0800 Huang Ying <ying.hu...@intel.com> wrote:
>
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> commit 974bb1d5d44f008d7f207437d63d46658ff41dff ("mm: replace
> remap_file_pages() syscall with emulation")
>
> That is, trinity can be used to test some aspect of remap_file_pages.
>
> +---------------------------------------------------+------------+------------+
> | | d96eeaf2cb | 974bb1d5d4
> |
> +---------------------------------------------------+------------+------------+
> | boot_successes | 0 | 0
> |
> | boot_failures | 10 | 10
> |
> | WARNING:at_net/netlink/genetlink.c:#genl_unbind() | 10 | 5
> |
> | backtrace:netlink_setsockopt | 3 | 2
> |
> | backtrace:SyS_setsockopt | 3 | 2
> |
> | backtrace:SyS_socketcall | 3 | 2
> |
> | backtrace:do_group_exit | 10 | 5
> |
> | backtrace:SyS_exit_group | 10 | 5
> |
> | page_allocation_failure:order:#,mode | 0 | 5
> |
> | backtrace:btrfs_test_extent_io | 0 | 5
> |
> | backtrace:init_btrfs_fs | 0 | 5
> |
> | backtrace:kernel_init_freeable | 0 | 5
> |
> +---------------------------------------------------+------------+------------+
>
>
> [ 29.665081] Bits 55-60 of /proc/PID/pagemap entries are about to stop
> being page-shift some time soon. See the linux/Documentation/vm/pagemap.txt
> for details.
> [ 29.675960] mmap: trinity-c0 (873) uses deprecated remap_file_pages()
> syscall. See Documentation/vm/remap_file_pages.txt.
> [ 29.681044] ------------[ cut here ]------------
> [ 29.681841] WARNING: CPU: 0 PID: 870 at net/netlink/genetlink.c:1037
> genl_unbind+0x96/0xaa()
> [ 29.683610] warning: process `trinity-c0' used the obsolete bdflush system
> call
> [ 29.684911] Fix your initscripts?
> [ 29.685683] VFS: Warning: trinity-c0 using old stat() call. Recompile your
> binary.
> [ 29.686963] CPU: 0 PID: 870 Comm: trinity-main Not tainted
> 3.19.0-rc3-next-20150109-g06f367d #290
> [ 29.688399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> [ 29.689349] 00000000 00000000 d34f3ea4
> [ 29.694083] ------------[ cut here ]------------
> [ 29.695096] WARNING: CPU: 0 PID: 872 at net/netlink/genetlink.c:1037
> genl_unbind+0x96/0xaa()
> [ 29.696724] c15933f7 d34f3ec0 c103c7ff 0000040d c1581310
> [ 29.698051] 00000001 00000001 00000000 d34f3ed0 c103c89c 00000009
> 00000000 d34f3ee8
> [ 29.699904] CPU: 0 PID: 872 Comm: trinity-main Not tainted
> 3.19.0-rc3-next-20150109-g06f367d #290
> [ 29.701406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> [ 29.702291] 00000000 00000000 d34d9ea4 c15933f7 d34d9ec0
> [ 29.703253] c1581310 c18836fc 00000001 d341f840 00000000 d34f3f0c
> c157f810 d15b0b40
> [ 29.705361] Call Trace:
> [ 29.705868] [<c15933f7>] dump_stack+0x16/0x18
> [ 29.706652] [<c103c7ff>] warn_slowpath_common+0x79/0x90
> [ 29.707496] [<c1581310>] ? genl_unbind+0x96/0xaa
> [ 29.708295] [<c103c89c>] warn_slowpath_null+0xf/0x13
> [ 29.709142] [<c1581310>] genl_unbind+0x96/0xaa
> [ 29.709943] [<c157f810>] netlink_release+0x2d7/0x2ed
> [ 29.710776] [<c1553efd>] sock_release+0x10/0x5a
> [ 29.711531] [<c1553f52>] sock_close+0xb/0xf
> [ 29.712286] [<c1109a69>] __fput+0xf7/0x1f0
> [ 29.713044] [<c1109b88>] ____fput+0x8/0xa
> [ 29.713794] [<c1052412>] task_work_run+0x4e/0x70
> [ 29.714566] [<c103e771>] do_exit+0x43a/0x9c7
> [ 29.715300] [<c103ed6f>] do_group_exit+0x4a/0xd6
> [ 29.716111] [<c103ee0c>] SyS_exit_group+0x11/0x11
> [ 29.716975] [<c1598cfd>] syscall_call+0x7/0x7
> [ 29.717722] [<c1590000>] ? io_submit_one+0x5b3/0x72a
> [ 29.719207] c103c7ff 0000040d c1581310
> [ 29.720122] 00000001 00000001 00000000 d34d9ed0 c103c89c 00000009
> 00000000 d34d9ee8
> [ 29.721973] c1581310 c18836fc 00000004 d0ebb840 00000000 d34d9f0c c157f810
> [ 29.723252] ---[ end trace 28426633f87b780a ]---
> [ 29.724282] ------------[ cut here ]------------
>
>
> Thanks,
> Huang, Ying-- Cheers, Stephen Rothwell s...@canb.auug.org.au
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