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Message-ID: <tnxfx9l9c0t.fsf@pc1117.cambridge.arm.com> Date: Thu, 15 Oct 2009 11:39:30 +0100 From: Catalin Marinas <catalin.marinas@....com> To: Peter Teoh <htmldeveloper@...il.com> Cc: LKML <linux-kernel@...r.kernel.org> Subject: Re: kmemleak errors Peter Teoh <htmldeveloper@...il.com> wrote: > cat /sys/kernel/debug/kmemleak gave: > > unreferenced object 0xffff8800bd864000 (size 40): > comm "swapper", pid 0, jiffies 4294937296 > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 70 40 86 bd 00 88 ff ff ........p@...... > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<ffffffff81ef55b6>] kmemleak_alloc+0x73/0xd8 > [<ffffffff81154d66>] kmem_cache_alloc+0xf7/0x15a > [<ffffffff82b2b88a>] debug_objects_mem_init+0x71/0x234 > [<ffffffff82afef26>] start_kernel+0x356/0x414 > [<ffffffff82afe2a9>] x86_64_start_reservations+0xb9/0xd4 > [<ffffffff82afe3b2>] x86_64_start_kernel+0xee/0x109 > [<ffffffffffffffff>] 0xffffffffffffffff If run echo scan > /sys/kernel/debug/kmemleak a few times, do they disappear? I think the debug_objects reports are false positives but couldn't figure why kmemleak cannot track them. I'll look again at them and maybe add an annotation (kmemleak_not_leak). -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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