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Date: Wed, 8 Jul 2015 10:32:27 -0600 From: Shuah Khan <shuahkhan@...il.com> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, shuahkh@....samsung.com Subject: Re: Linux 4.2-rc1 On Sun, Jul 5, 2015 at 2:22 PM, Linus Torvalds <torvalds@...ux-foundation.org> wrote: > It's Sunday, two weeks have passed, and the merge window is closed. I > just pushed out the tag to the git trees, and tar-balls and patches > should be mirroring out too. > > I thought this release would be one of the biggest ones ever, but it > turns out that it will depend on how you count. Just counting pure > commits, it is indeed one of the bigger rc1's in recent history, but > 3.10-rc1 was almost as big, and then the final 3.10 grew from that > more than most. I doubt we'll match the 3.10 release, since we have > been getting progressively better at *not* merging tons of stuff after > -rc1. > > I am seeing the following NULL pointer dereference on my test system: [ 3.640599] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 3.640609] IP: [<ffffffff814f1463>] firmware_uevent+0x23/0x80 [ 3.640616] PGD 0 [ 3.640620] Oops: 0000 [#1] SMP [ 3.640625] Modules linked in: iwlwifi snd_hda_intel snd_hda_codec eeepc_wmi asus_wmi sparse_keymap drm_kms_helper snd_hda_core drm crct10dif_pclmul snd_hwdep btusb crc32_pclmul btrtl ghash_clmulni_intel cfg80211 btbcm snd_pcm btintel bluetooth snd_seq_midi snd_seq_midi_event aesni_intel snd_rawmidi aes_x86_64 lrw snd_seq dm_multipath gf128mul glue_helper scsi_dh ablk_helper cryptd snd_seq_device snd_timer mei_me snd microcode mei serio_raw lpc_ich shpchp soundcore i2c_algo_bit video wmi mac_hid parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq psmouse r8169 ahci dm_mirror libahci mii dm_region_hash dm_log [ 3.640677] CPU: 6 PID: 362 Comm: systemd-udevd Not tainted 4.2.0-rc1+ #2 [ 3.640681] Hardware name: System76, Inc. Wild Dog Performance/H87-PLUS, BIOS 0705 12/05/2013 [ 3.640687] task: ffff8800d82d0000 ti: ffff88040cba0000 task.ti: ffff88040cba0000 [ 3.640692] RIP: 0010:[<ffffffff814f1463>] [<ffffffff814f1463>] firmware_uevent+0x23/0x80 [ 3.640699] RSP: 0018:ffff88040cba3c78 EFLAGS: 00010282 [ 3.640703] RAX: 0000000000000000 RBX: ffff8800d80a7000 RCX: 0000000000000000 [ 3.640707] RDX: 0000000000000000 RSI: ffffffff81ae290f RDI: ffff8800d80a7000 [ 3.640710] RBP: ffff88040cba3c88 R08: 0000000000019d80 R09: ffff8800d80a7000 [ 3.640714] R10: 0000000000000022 R11: 0000000000000246 R12: ffff8803f3681408 [ 3.640717] R13: ffff8800d80a7000 R14: ffff8803f3681408 R15: 0000000000000001 [ 3.640721] FS: 00007f3c3e7ba880(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000 [ 3.640726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.640730] CR2: 0000000000000080 CR3: 00000003f29b3000 CR4: 00000000001407e0 [ 3.640734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.640738] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.640741] Stack: [ 3.640744] ffff8803f3681418 0000000000000000 ffff88040cba3cd8 ffffffff814dd876 [ 3.640750] ffff88040cba3dd8 0000000000000920 ffff8803f2c20e80 ffff88040f1ef960 [ 3.640757] 0000000000000000 ffff8800d80a4000 ffff8800d80a7000 ffff8803f3681418 [ 3.640763] Call Trace: [ 3.640769] [<ffffffff814dd876>] dev_uevent+0xb6/0x290 [ 3.640773] [<ffffffff814dc6d4>] uevent_show+0x94/0x100 [ 3.640778] [<ffffffff814dbbe0>] dev_attr_show+0x20/0x50 [ 3.640783] [<ffffffff8176ffe6>] ? mutex_lock+0x16/0x40 [ 3.640788] [<ffffffff8124fe4a>] sysfs_kf_seq_show+0xaa/0x120 [ 3.640793] [<ffffffff8124e6e0>] kernfs_seq_show+0x20/0x30 [ 3.640798] [<ffffffff811fad4d>] seq_read+0xcd/0x370 [ 3.640803] [<ffffffff8124ee77>] kernfs_fop_read+0x107/0x160 [ 3.640808] [<ffffffff811d78b8>] __vfs_read+0x28/0xd0 [ 3.640813] [<ffffffff81316273>] ? security_file_permission+0xa3/0xc0 [ 3.640817] [<ffffffff811d7de3>] ? rw_verify_area+0x53/0xf0 [ 3.640821] [<ffffffff811d7f0a>] vfs_read+0x8a/0x130 [ 3.640825] [<ffffffff811d8d06>] SyS_read+0x46/0xa0 [ 3.640829] [<ffffffff81772172>] entry_SYSCALL_64_fastpath+0x16/0x75 [ 3.640833] Code: 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 54 53 48 8b 87 c0 02 00 00 48 89 f3 49 89 fc 48 c7 c6 0f 29 ae 81 48 89 df <48> 8b 90 80 00 00 00 31 c0 e8 5f cf ea ff 85 c0 75 39 8b 15 ed [ 3.640865] RIP [<ffffffff814f1463>] firmware_uevent+0x23/0x80 [ 3.640871] RSP <ffff88040cba3c78> [ 3.640874] CR2: 0000000000000080 [ 3.640878] ---[ end trace 0df1af0431b2ec1a ]--- [ 3.703087] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC887-VD: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:line [ 3.703092] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 3.703095] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0) [ 3.703098] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 [ 3.703100] snd_hda_codec_realtek hdaudioC1D0: dig-out=0x11/0x0 [ 3.703102] snd_hda_codec_realtek hdaudioC1D0: inputs: [ 3.703104] snd_hda_codec_realtek hdaudioC1D0: Front Mic=0x19 [ 3.703106] snd_hda_codec_realtek hdaudioC1D0: Rear Mic=0x18 [ 3.703108] snd_hda_codec_realtek hdaudioC1D0: Line=0x1a I can send config and full dmesg if you would like to see it. thanks, -- Shuah -- 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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