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From: Dave Jones <davej@redhat.com>
To: linux-mm@kvack.org
Cc: Fedora Kernel Team <kernel-team@fedoraproject.org>
Subject: kernel BUG at mm/huge_memory.c:1802!
Date: Wed, 20 Mar 2013 11:07:28 -0400	[thread overview]
Message-ID: <20130320150728.GB1746@redhat.com> (raw)
In-Reply-To: <bug-923817-176318@bugzilla.redhat.com>

More huge page fun reported by one of our users today..

 > https://bugzilla.redhat.com/show_bug.cgi?id=923817
 > 
 > kernel BUG at mm/huge_memory.c:1802!
 > invalid opcode: 0000 [#1] SMP 
 > Modules linked in: arc4 md4 nls_utf8 cifs dns_resolver fscache fuse tun lockd
 > sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_conntrack_ipv4 nf_defrag_ipv6
 > nf_defrag_ipv4 xt_conntrack nf_conntrack ip6table_filter ip6_tables binfmt_misc
 > snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep
 > iTCO_wdt iTCO_vendor_support snd_seq snd_seq_device snd_pcm snd_page_alloc
 > snd_timer snd e1000e coretemp mei lpc_ich soundcore mfd_core kvm_intel dcdbas
 > kvm serio_raw i2c_i801 microcode uinput dm_crypt crc32c_intel
 > ghash_clmulni_intel i915 i2c_algo_bit drm_kms_helper drm video i2c_core
 > CPU 0 
 > Pid: 2125, comm: JS GC Helper Not tainted 3.8.3-203.fc18.x86_64 #1 Dell Inc.
 > OptiPlex 790/0J3C2F
 > RIP: 0010:[<ffffffff8118edd1>]  [<ffffffff8118edd1>]
 > split_huge_page+0x751/0x7e0
 > RSP: 0018:ffff8801f9f4db98  EFLAGS: 00010297
 > RAX: 0000000000000001 RBX: ffffea0000b48000 RCX: 000000000000005b
 > RDX: 0000000000000008 RSI: 0000000000000046 RDI: 0000000000000246
 > RBP: ffff8801f9f4dc58 R08: 000000000000000a R09: 000000000000034a
 > R10: 0000000000000000 R11: 0000000000000349 R12: 0000000000000000
 > R13: 00007fb66765d000 R14: 00003ffffffff000 R15: ffffea0000b48000
 > FS:  00007fb6b0f33700(0000) GS:ffff88022dc00000(0000) knlGS:0000000000000000
 > CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 > CR2: 00007fb69a7e8200 CR3: 00000001cfc04000 CR4: 00000000000407f0
 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
 > Process JS GC Helper (pid: 2125, threadinfo ffff8801f9f4c000, task
 > ffff880200bd9760)
 > Stack:
 >  ffff8801f9f4dbe8 0000000000000292 ffff8801f9f4dbc8 0000000000000004
 >  ffffea0000bbd3c0 ffff8801f7a32d40 0000000000b48000 ffffffff8113a5f7
 >  0000000000000003 ffffc90000000001 00000000f9f4dbf8 00000007fb667600
 > Call Trace:
 >  [<ffffffff8113a5f7>] ? free_pcppages_bulk+0x177/0x4f0
 >  [<ffffffff81198271>] ? mem_cgroup_bad_page_check+0x21/0x30
 >  [<ffffffff8113ab8d>] ? free_pages_prepare+0x8d/0x140
 >  [<ffffffff811903d3>] __split_huge_page_pmd+0x133/0x370
 >  [<ffffffff8115c4fa>] unmap_single_vma+0x7ea/0x880
 >  [<ffffffff811709dd>] ? free_pages_and_swap_cache+0xad/0xd0
 >  [<ffffffff8115ce7d>] zap_page_range+0x9d/0x100
 >  [<ffffffff8109797f>] ? __dequeue_entity+0x2f/0x50
 >  [<ffffffff81159863>] sys_madvise+0x263/0x740
 >  [<ffffffff810df18c>] ? __audit_syscall_exit+0x20c/0x2c0
 >  [<ffffffff81658699>] system_call_fastpath+0x16/0x1b
 > Code: 0f 0b 0f 0b f3 90 49 8b 07 a9 00 00 00 01 75 f4 e9 d8 fa ff ff be 45 01
 > 00 00 48 c7 c7 8d 09 9d 81 e8 a4 f8 ec ff e9 c2 fa ff ff <0f> 0b 41 8b 57 18 8b
 > 75 94 48 c7 c7 d0 0b 9f 81 31 c0 83 c2 01 
 > RIP  [<ffffffff8118edd1>] split_huge_page+0x751/0x7e0
 >  RSP <ffff8801f9f4db98>

BUG_ON(mapcount != page_mapcount(page));

	Dave


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       reply	other threads:[~2013-03-20 15:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-923817-176318@bugzilla.redhat.com>
2013-03-20 15:07 ` Dave Jones [this message]
2013-03-21  6:04   ` kernel BUG at mm/huge_memory.c:1802! Kirill A. Shutemov

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