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Message-ID: <AANLkTil5ToVkq5QmoAboy-VvvzRm5H_MOwaPfpjXZ1Cg@mail.gmail.com> Date: Thu, 3 Jun 2010 16:16:16 +0800 From: Dave Young <hidave.darkstar@...il.com> To: Stephen Rothwell <sfr@...b.auug.org.au> Cc: linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, Rusty Russell <rusty@...tcorp.com.au> Subject: Re: linux-next: Tree for June 3 On Thu, Jun 3, 2010 at 4:00 PM, Dave Young <hidave.darkstar@...il.com> wrote: > On Thu, Jun 3, 2010 at 3:39 PM, Dave Young <hidave.darkstar@...il.com> wrote: >> On Thu, Jun 3, 2010 at 11:47 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote: >>> Hi all, >>> >>> Changes since 20100602: >>> >>> My fixes tree contains: >>> v4l-dvb: update gfp/slab.h includes >>> arm: update gfp/slab.h includes >>> davinci: update gfp/slab.h includes >>> ocfs2: update gfp/slab.h includes >>> acpi: update gfp/slab.h includes >>> >>> The sh tree lost its build failure. >>> >>> The rr tree lost its build failure. >>> >>> ---------------------------------------------------------------------------- >>> >>> I have created today's linux-next tree at >>> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git >>> (patches at http://www.kernel.org/pub/linux/kernel/v2.6/next/ ). If you >>> are tracking the linux-next tree using git, you should not use "git pull" >>> to do so as that will try to merge the new linux-next release with the >>> old one. You should use "git fetch" as mentioned in the FAQ on the wiki >>> (see below). >>> >> >> Hi, >> >> With this build, I got weird module refcount: >> >> bash-3.1$ cat /proc/modules >> radeon 703776 4294967295 - Live 0xffffffffa017c000 >> ttm 55891 0 radeon, Live 0xffffffffa0164000 >> drm_kms_helper 25154 0 radeon, Live 0xffffffffa015b000 >> drm 174333 2 radeon,ttm,drm_kms_helper, Live 0xffffffffa011f000 >> fb 45136 1 radeon,drm_kms_helper, Live 0xffffffffa00ff000 >> fbdev 861 0 fb, Live 0xffffffffa009e000 >> i2c_algo_bit 4925 0 radeon, Live 0xffffffffa0069000 >> cfbcopyarea 3229 0 radeon, Live 0xffffffffa0059000 >> cfbimgblt 2138 0 radeon, Live 0xffffffffa002c000 >> cfbfillrect 3241 0 radeon, Live 0xffffffffa0026000 >> tun 13180 2 - Live 0xffffffffa0039000 >> kvm_intel 42801 4294967295 - Live 0xffffffffa0112000 >> kvm 250629 0 kvm_intel, Live 0xffffffffa00bf000 >> dell_wmi 2939 4294967295 - Live 0xffffffffa000e000 >> snd_hda_codec_analog 72342 0 - Live 0xffffffffa00ab000 >> wmi 7636 0 dell_wmi, Live 0xffffffffa0004000 >> e1000e 186408 4294967295 - Live 0xffffffffa006e000 >> snd_hda_intel 22245 4294967295 - Live 0xffffffffa0061000 >> snd_hda_codec 69600 1 snd_hda_codec_analog,snd_hda_intel, Live 0xffffffffa004600 >> 0 >> snd_hwdep 5914 0 snd_hda_codec, Live 0xffffffffa003e000 >> 8139too 31275 4294967295 - Live 0xffffffffa002f000 >> snd_pcm 70720 1 snd_hda_intel,snd_hda_codec, Live 0xffffffffa0012000 >> snd_timer 18357 0 snd_pcm, Live 0xffffffffa0007000 >> snd_page_alloc 7365 1 snd_hda_intel,snd_pcm, Live 0xffffffffa0000000 >> >> As you can see, some refcount become negtive > > Seems for some module drop reference of 0 in following code of init_module: > > /* Drop initial reference. */ > module_put(mod); get right refcount as before by removing this line, is it right fix? > >> -- >> Regards >> dave >> > > > > -- > Regards > dave > -- Regards dave -- 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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