Comment 5 for bug 937048

Added tag kernel-bug-exists-upstream.
About 24h hours later new kernel bug with kernel 3.3. Message is different, but still I see kswapd:

Feb 23 12:06:47 kernel: [85707.909760] BUG: unable to handle kernel NULL pointer dereference at 0000000000000088
Feb 23 12:06:47 kernel: [85707.909805] IP: [<ffffffff8103ec09>] __ticket_spin_lock+0x9/0x30
Feb 23 12:06:47 kernel: [85707.909838] PGD 0
Feb 23 12:06:47 kernel: [85707.909848] Oops: 0002 [#1] SMP
Feb 23 12:06:47 kernel: [85707.909864] CPU 1
Feb 23 12:06:47 kernel: [85707.909873] Modules linked in: pcspkr nls_iso8859_1 nls_cp437 vfat fat rfcomm bnep bluetooth nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc dm_crypt uvcvideo videobuf2_core videodev v4l2_compat_ioctl32 snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_usbmidi_lib usb_storage snd_hda_codec_hdmi snd_seq_midi snd_rawmidi snd_hda_codec_realtek snd_seq_midi_event snd_seq snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_device snd_timer snd psmouse edac_core soundcore serio_raw sp5100_tco snd_page_alloc edac_mce_amd i2c_piix4 k10temp ppdev parport_pc shpchp mac_hid lp parport usbhid hid pata_atiixp wmi radeon ttm drm_kms_helper drm i2c_algo_bit r8169
Feb 23 12:06:47 kernel: [85707.910159]
Feb 23 12:06:47 kernel: [85707.910168] Pid: 58, comm: kswapd0 Not tainted 3.3.0-030300rc4-generic #201202181935 Gigabyte Technology Co., Ltd. GA-MA785GM-US2H/GA-MA785GM-US2H
Feb 23 12:06:47 kernel: [85707.910226] RIP: 0010:[<ffffffff8103ec09>] [<ffffffff8103ec09>] __ticket_spin_lock+0x9/0x30
Feb 23 12:06:47 kernel: [85707.910263] RSP: 0018:ffff880217817b90 EFLAGS: 00010206
Feb 23 12:06:47 kernel: [85707.910287] RAX: 0000000000010000 RBX: 0000000000000001 RCX: 0000000000080007
Feb 23 12:06:47 kernel: [85707.910316] RDX: 0000000000070007 RSI: 0000000000000361 RDI: 0000000000000088
Feb 23 12:06:47 kernel: [85707.910347] RBP: ffff880217817b90 R08: dead000000200200 R09: dead000000100100
Feb 23 12:06:47 kernel: [85707.910376] R10: 0000000000000001 R11: dead000000200200 R12: 0000000000000088
Feb 23 12:06:47 kernel: [85707.910407] R13: ffff8800072867d0 R14: ffff8800072869a0 R15: ffff88021725f948
Feb 23 12:06:47 kernel: [85707.910437] FS: 00007f0d4d3629c0(0000) GS:ffff880227c40000(0000) knlGS:00000000f5f41710
Feb 23 12:06:47 kernel: [85707.910471] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Feb 23 12:06:47 kernel: [85707.910496] CR2: 0000000000000088 CR3: 00000000cf938000 CR4: 00000000000006e0
Feb 23 12:06:47 kernel: [85707.910526] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 23 12:06:47 kernel: [85707.910556] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Feb 23 12:06:47 kernel: [85707.910586] Process kswapd0 (pid: 58, threadinfo ffff880217816000, task ffff88021bbbade0)
Feb 23 12:06:47 kernel: [85707.910620] Stack:
Feb 23 12:06:47 kernel: [85707.910629] ffff880217817ba0 ffffffff8165fbce ffff880217817bd0 ffffffff811b114e
Feb 23 12:06:47 kernel: [85707.910665] ffff8800072867d0 ffff8800072868b8 ffff88021725f800 ffff880007286850
Feb 23 12:06:47 kernel: [85707.910698] ffff880217817c50 ffffffff8119c1eb ffff880217817c50 ffffffff811997dd
Feb 23 12:06:47 kernel: [85707.910732] Call Trace:
Feb 23 12:06:47 kernel: [85707.910746] [<ffffffff8165fbce>] _raw_spin_lock+0xe/0x20
Feb 23 12:06:47 kernel: [85707.910771] [<ffffffff811b114e>] remove_inode_buffers+0x3e/0x90
Feb 23 12:06:47 kernel: [85707.910799] [<ffffffff8119c1eb>] prune_icache_sb+0x2cb/0x390
Feb 23 12:06:47 kernel: [85707.910826] [<ffffffff811997dd>] ? prune_dcache_sb+0x18d/0x1c0
Feb 23 12:06:47 kernel: [85707.910852] [<ffffffff81184163>] prune_super+0x163/0x1d0
Feb 23 12:06:47 kernel: [85707.910877] [<ffffffff81130fff>] shrink_slab+0x19f/0x2e0
Feb 23 12:06:47 kernel: [85707.910902] [<ffffffff8113476a>] balance_pgdat+0x6aa/0x900
Feb 23 12:06:47 kernel: [85707.912020] [<ffffffff81134b30>] kswapd+0x170/0x250
Feb 23 12:06:47 kernel: [85707.912020] [<ffffffff811349c0>] ? balance_pgdat+0x900/0x900
Feb 23 12:06:47 kernel: [85707.912020] [<ffffffff810753de>] kthread+0x9e/0xb0
Feb 23 12:06:47 kernel: [85707.912020] [<ffffffff81669664>] kernel_thread_helper+0x4/0x10
Feb 23 12:06:47 kernel: [85707.912020] [<ffffffff81075340>] ? kthread_freezable_should_stop+0x70/0x70
Feb 23 12:06:47 kernel: [85707.912020] [<ffffffff81669660>] ? gs_change+0x13/0x13
Feb 23 12:06:47 kernel: [85707.912020] Code: 00 00 48 c7 c2 0e ea 03 81 48 c7 c1 11 ea 03 81 e9 dd fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 55 b8 00 00 01 00 48 89 e5 <f0> 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 13 66 0f 1f 84 00 00 00
Feb 23 12:06:47 kernel: [85707.912020] RIP [<ffffffff8103ec09>] __ticket_spin_lock+0x9/0x30
Feb 23 12:06:47 kernel: [85707.912020] RSP <ffff880217817b90>
Feb 23 12:06:47 kernel: [85707.912020] CR2: 0000000000000088
Feb 23 12:06:47 kernel: [85707.935191] ---[ end trace 7e4f4d90c0e0c337 ]---