From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pekka Enberg Subject: Re: 60 memory leaks.. or is it some thing wrong with kmemleak? Date: Tue, 14 Jul 2009 10:19:41 +0300 Message-ID: <84144f020907140019g511723dctb541f6333d1a082b@mail.gmail.com> References: <4A5C20E5.6010203@fisher-privat.net> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=e+pyOLXHKMIjjuQD5KeVX+JStVPo4VGujxYOLzma4aY=; b=Eok5UtgE6tbpzMGs6QwKv9GaxDIZwR16rDNBFH0AalrRzjmjiDfo6pZEJ07yC05ZP1 2VUAMi6+qzvFiceLuPVeFcVlakSg+dL9snRbCY/GgTckxEjjA57Sb446AKQYE7LEG25v zgm5hOuJi7r43rp0tbZfBh6S6dHglsjB86IzQ= In-Reply-To: <4A5C20E5.6010203-M18mAb7Tlt0yCq4wW13eYl6hYfS7NtTn@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: Alexey Fisher Cc: Kernel Testers List , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Catalin Marinas Hi Alexey, [ Lets cc Catalin. ] On Tue, Jul 14, 2009 at 9:08 AM, Alexey =46isher wrote: > Hallo all, > i enabled kmemleak and now i get a lot of them... Which kernel version is this? You almost definitely want to try out 2.6.31-rc3 which has tons of bug fixes to kmemleak. > i do not know if this are real or some noise.. > most of the about mounting ext4 > > unreferenced object 0xffff880133c63800 (size 1024): > =A0comm "exe", pid 1521, jiffies 4294894652 > =A0backtrace: > =A0 =A0[] create_object+0x126/0x2b0 > =A0 =A0[] kmemleak_alloc+0x25/0x60 > =A0 =A0[] __kmalloc+0x113/0x200 > =A0 =A0[] ext4_mb_init+0x1b1/0x570 > =A0 =A0[] ext4_fill_super+0x1de2/0x26d0 > =A0 =A0[] get_sb_bdev+0x16f/0x1b0 > =A0 =A0[] ext4_get_sb+0x13/0x20 > =A0 =A0[] vfs_kern_mount+0x76/0x180 > =A0 =A0[] do_kern_mount+0x4d/0x120 > =A0 =A0[] do_mount+0x307/0x880 > =A0 =A0[] sys_mount+0x8f/0xe0 > =A0 =A0[] system_call_fastpath+0x16/0x1b > =A0 =A0[] 0xffffffffffffffff > unreferenced object 0xffff8801334db0c0 (size 192): > =A0comm "exe", pid 1521, jiffies 4294894652 > =A0backtrace: > =A0 =A0[] create_object+0x126/0x2b0 > =A0 =A0[] kmemleak_alloc+0x25/0x60 > =A0 =A0[] __kmalloc+0x113/0x200 > =A0 =A0[] ext4_mb_init+0x1b1/0x570 > =A0 =A0[] ext4_fill_super+0x1de2/0x26d0 > =A0 =A0[] get_sb_bdev+0x16f/0x1b0 > =A0 =A0[] ext4_get_sb+0x13/0x20 > =A0 =A0[] vfs_kern_mount+0x76/0x180 > =A0 =A0[] do_kern_mount+0x4d/0x120 > =A0 =A0[] do_mount+0x307/0x880 > =A0 =A0[] sys_mount+0x8f/0xe0 > =A0 =A0[] system_call_fastpath+0x16/0x1b > =A0 =A0[] 0xffffffffffffffff > > > and other seems like about control group: > > > unreferenced object 0xffff88013b852440 (size 544): > =A0comm "swapper", pid 0, jiffies 4294892296 > =A0backtrace: > =A0 =A0[] create_object+0x126/0x2b0 > =A0 =A0[] kmemleak_alloc+0x25/0x60 > =A0 =A0[] kmem_cache_alloc+0xf3/0x170 > =A0 =A0[] idr_pre_get+0x5f/0x90 > =A0 =A0[] get_new_cssid+0x65/0x120 > =A0 =A0[] cgroup_init+0x6f/0x109 > =A0 =A0[] start_kernel+0x3a6/0x3ca > =A0 =A0[] x86_64_start_reservations+0x125/0x129 > =A0 =A0[] x86_64_start_kernel+0xe4/0xeb > =A0 =A0[] 0xffffffffffffffff > unreferenced object 0xffff88013b852660 (size 544): > =A0comm "swapper", pid 0, jiffies 4294892296 > =A0backtrace: > =A0 =A0[] create_object+0x126/0x2b0 > =A0 =A0[] kmemleak_alloc+0x25/0x60 > =A0 =A0[] kmem_cache_alloc+0xf3/0x170 > =A0 =A0[] idr_pre_get+0x5f/0x90 > =A0 =A0[] get_new_cssid+0x65/0x120 > =A0 =A0[] cgroup_init+0x6f/0x109 > =A0 =A0[] start_kernel+0x3a6/0x3ca > =A0 =A0[] x86_64_start_reservations+0x125/0x129 > =A0 =A0[] x86_64_start_kernel+0xe4/0xeb > =A0 =A0[] 0xffffffffffffffff > -- > To unsubscribe from this list: send the line "unsubscribe linux-kerne= l" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > Please read the FAQ at =A0http://www.tux.org/lkml/ >