Hi Dongxing Zhang,
On 11 June 2015 at 09:14, Dongxing Zhang dongxing.zhang@intel.com wrote:
unreferenced object 0xffff8800bd132fe8 (size 256): comm "Xorg", pid 1260, jiffies 4294901661 (age 660.504s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e8 2f 13 bd 00 88 ff ff ........./...... 01 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff817b756e>] kmemleak_alloc+0x4e/0xb0 [<ffffffff811d52d4>] __kmalloc+0x204/0x2c0 [<ffffffffc03b633a>] nouveau_cli_create+0x2a/0xb0 [nouveau] [<ffffffffc03b648b>] nouveau_drm_open+0xcb/0x220 [nouveau] [<ffffffffc02146c2>] drm_open+0x1b2/0x4d0 [drm] [<ffffffffc021b449>] drm_stub_open+0xa9/0x130 [drm] [<ffffffff811f88cf>] chrdev_open+0x9f/0x1d0 [<ffffffff811f1937>] do_dentry_open+0x257/0x350 [<ffffffff811f1ac9>] vfs_open+0x49/0x50 [<ffffffff812025dc>] do_last+0x1ec/0x1200 [<ffffffff81203670>] path_openat+0x80/0x600 [<ffffffff8120512a>] do_filp_open+0x3a/0x90 [<ffffffff811f3138>] do_sys_open+0x128/0x220 [<ffffffff811f324e>] SyS_open+0x1e/0x20 [<ffffffff817ca2b2>] system_call_fastpath+0x16/0x75 [<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Dongxing Zhang dongxing.zhang@intel.com
A similar patch has been picked up recently [1]
[1] http://lists.freedesktop.org/archives/dri-devel/2015-June/084249.html
drivers/gpu/drm/nouveau/nouveau_drm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 8904933..2ead477 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -115,7 +115,8 @@ nouveau_cli_create(u64 name, const char *sname, if (ret == 0) { mutex_init(&cli->mutex); usif_client_init(cli);
}
} elsekfree(cli);
... although it's missing this hunk. Iirc at this level the destructor is not implicitly called so this is required.
Cheers Emil