From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 135471] New: Oops IP: [<ffffffffa0047081>] rmap_get_first+0x21/0x60
Date: Mon, 18 Jul 2016 06:37:48 +0000 [thread overview]
Message-ID: <bug-135471-28872@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=135471
Bug ID: 135471
Summary: Oops IP: [<ffffffffa0047081>] rmap_get_first+0x21/0x60
[kvm]
Product: Virtualization
Version: unspecified
Kernel Version: 4.6.3
Hardware: i386
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: kvm
Assignee: virtualization_kvm@kernel-bugs.osdl.org
Reporter: himbeere@meine-oma.de
Regression: No
Hello Devs.
Every now and then my machine crashes hard with the following message:
Jul 18 01:46:30 ovh kernel: BUG: unable to handle kernel NULL pointer
dereference at 0000000000000010
Jul 18 01:46:30 ovh kernel: IP: [<ffffffffa0047081>] rmap_get_first+0x21/0x60
[kvm]
Jul 18 01:46:30 ovh kernel: PGD 0
Jul 18 01:46:30 ovh kernel: Oops: 0000 [#1] SMP
Jul 18 01:46:30 ovh kernel: Modules linked in: vhost_net vhost xt_physdev
xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4
nf_nat tun xt_multiport coretemp kvm_intel kvm irqbypass i2c_i801
Jul 18 01:46:30 ovh kernel: CPU: 3 PID: 692 Comm: kswapd0 Not tainted 4.6.3 #1
Jul 18 01:46:30 ovh kernel: Hardware name: Supermicro X8STi/X8STi, BIOS 2.0
09/17/10
Jul 18 01:46:30 ovh kernel: task: ffff88040ceb0000 ti: ffff88040c8c4000
task.ti: ffff88040c8c4000
Jul 18 01:46:30 ovh kernel: RIP: 0010:[<ffffffffa0047081>]
[<ffffffffa0047081>] rmap_get_first+0x21/0x60 [kvm]
Jul 18 01:46:30 ovh kernel: RSP: 0018:ffff88040c8c7920 EFLAGS: 00010286
Jul 18 01:46:31 ovh kernel: RAX: 0000000000000010 RBX: 0000000000000000 RCX:
0000000000108e83
Jul 18 01:46:31 ovh kernel: RDX: ffffc90003872008 RSI: ffff88040c8c7930 RDI:
ffffc9000394b418
Jul 18 01:46:31 ovh kernel: RBP: ffff88040c8c7920 R08: 0000000000000001 R09:
0000000000000000
Jul 18 01:46:31 ovh kernel: R10: 0000000000000003 R11: 0000000000000002 R12:
ffffc9000394b418
Jul 18 01:46:31 ovh kernel: R13: ffff88040bb78000 R14: 0000000000000000 R15:
ffffc90003872008
Jul 18 01:46:31 ovh kernel: FS: 0000000000000000(0000)
GS:ffff88041fc60000(0000) knlGS:0000000000000000
Jul 18 01:46:31 ovh kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 18 01:46:31 ovh kernel: CR2: 0000000000000010 CR3: 0000000001c07000 CR4:
00000000000026e0
Jul 18 01:46:31 ovh kernel: Stack:
Jul 18 01:46:31 ovh kernel: ffff88040c8c7958 ffffffffa004ae73 ffff88040bb5b9c0
00007fe400000000
Jul 18 01:46:31 ovh kernel: 0000000000000000 ffff88040bb78000 ffffffffa004ae90
ffff88040c8c7968
Jul 18 01:46:31 ovh kernel: ffffffffa004ae99 ffff88040c8c7a08 ffffffffa0046b93
ffff88040bb78048
Jul 18 01:46:31 ovh kernel: Call Trace:
Jul 18 01:46:31 ovh kernel: [<ffffffffa004ae73>] kvm_zap_rmapp+0x33/0x50 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa004ae90>] ? kvm_zap_rmapp+0x50/0x50
[kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa004ae99>] kvm_unmap_rmapp+0x9/0x10
[kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa0046b93>]
kvm_handle_hva_range+0x113/0x170 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa00516d4>] kvm_age_hva+0x34/0x40 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa002cbc8>]
kvm_mmu_notifier_clear_flush_young+0x48/0x80 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffff8115f866>]
__mmu_notifier_clear_flush_young+0x56/0x80
Jul 18 01:46:31 ovh kernel: [<ffffffff8114ab54>] page_referenced_one+0xe4/0xf0
Jul 18 01:46:31 ovh kernel: [<ffffffff8114a301>] rmap_walk_anon+0xc1/0x1d0
Jul 18 01:46:31 ovh kernel: [<ffffffff8114bde7>] rmap_walk+0x27/0x30
Jul 18 01:46:31 ovh kernel: [<ffffffff8114becd>] page_referenced+0xdd/0x1a0
Jul 18 01:46:31 ovh kernel: [<ffffffff8114aa70>] ?
__page_check_address+0x180/0x180
Jul 18 01:46:31 ovh kernel: [<ffffffff8114b570>] ?
page_get_anon_vma+0x120/0x120
Jul 18 01:46:31 ovh kernel: [<ffffffff8112a669>]
shrink_active_list+0x1c9/0x390
Jul 18 01:46:31 ovh kernel: [<ffffffff8112ae0b>] shrink_zone_memcg+0x5db/0x7d0
Jul 18 01:46:31 ovh kernel: [<ffffffff8112b0c6>] shrink_zone+0xc6/0x1f0
Jul 18 01:46:31 ovh kernel: [<ffffffff8112bf5a>] kswapd+0x43a/0x840
Jul 18 01:46:31 ovh kernel: [<ffffffff8112bb20>] ?
mem_cgroup_shrink_node_zone+0x150/0x150
Jul 18 01:46:31 ovh kernel: [<ffffffff81072fb4>] kthread+0xc4/0xe0
Jul 18 01:46:31 ovh kernel: [<ffffffff81740292>] ret_from_fork+0x22/0x40
Jul 18 01:46:31 ovh kernel: [<ffffffff81072ef0>] ? kthread_park+0x50/0x50
Jul 18 01:46:31 ovh kernel: Code: 00 00 eb c4 66 0f 1f 44 00 00 48 8b 07 55 48
89 e5 48 85 c0 74 42 a8 01 74 2a 48 83 e0 fe c7 46 08 00 00 00 00 48 89 06 48
8b 00 <48> 8b 10 f6 c2 01 74 23 48 8b 0d b0 dc 03 00 48 21 ca 48 39 d1
Jul 18 01:46:31 ovh kernel: RIP [<ffffffffa0047081>] rmap_get_first+0x21/0x60
[kvm]
Jul 18 01:46:31 ovh kernel: RSP <ffff88040c8c7920>
Jul 18 01:46:31 ovh kernel: CR2: 0000000000000010
Jul 18 01:46:31 ovh kernel: ---[ end trace f30608d1658423c5 ]---
Jul 18 01:46:31 ovh kernel: ------------[ cut here ]------------
Jul 18 01:46:31 ovh kernel: WARNING: CPU: 3 PID: 692 at kernel/exit.c:661
do_exit+0x4e/0xbf0
Jul 18 01:46:31 ovh kernel: Modules linked in: vhost_net vhost xt_physdev
xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4
nf_nat tun xt_multiport coretemp kvm_intel kvm irqbypass i2c_i801
Jul 18 01:46:31 ovh kernel: CPU: 3 PID: 692 Comm: kswapd0 Tainted: G D
4.6.3 #1
Jul 18 01:46:31 ovh kernel: Hardware name: Supermicro X8STi/X8STi, BIOS 2.0
09/17/10
Jul 18 01:46:31 ovh kernel: 0000000000000000 ffff88040c8c7630 ffffffff813191c8
0000000000000000
Jul 18 01:46:31 ovh kernel: 0000000000000000 ffff88040c8c7670 ffffffff81056cfc
0000029500000009
Jul 18 01:46:31 ovh kernel: ffff88040ceb0000 0000000000000009 0000000000000046
ffff88040ceb0000
Jul 18 01:46:31 ovh kernel: Call Trace:
Jul 18 01:46:31 ovh kernel: [<ffffffff813191c8>] dump_stack+0x4d/0x65
Jul 18 01:46:31 ovh kernel: [<ffffffff81056cfc>] __warn+0xcc/0xf0
Jul 18 01:46:31 ovh kernel: [<ffffffff81056dd8>] warn_slowpath_null+0x18/0x20
Jul 18 01:46:31 ovh kernel: [<ffffffff81059fce>] do_exit+0x4e/0xbf0
Jul 18 01:46:31 ovh kernel: [<ffffffff8101e6e4>] oops_end+0x84/0xc0
Jul 18 01:46:31 ovh kernel: [<ffffffff81049b49>] no_context+0x109/0x350
Jul 18 01:46:31 ovh kernel: [<ffffffff81049e01>]
__bad_area_nosemaphore+0x71/0x1f0
Jul 18 01:46:31 ovh kernel: [<ffffffff81049f8f>] bad_area_nosemaphore+0xf/0x20
Jul 18 01:46:31 ovh kernel: [<ffffffff8104a2a4>] __do_page_fault+0x84/0x490
Jul 18 01:46:31 ovh kernel: [<ffffffffa00462ee>] ?
mmu_spte_clear_track_bits+0xee/0x100 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffff8104a6d3>] do_page_fault+0x23/0x80
Jul 18 01:46:31 ovh kernel: [<ffffffff81741ce2>] page_fault+0x22/0x30
Jul 18 01:46:31 ovh kernel: [<ffffffffa0047081>] ? rmap_get_first+0x21/0x60
[kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa004ae73>] kvm_zap_rmapp+0x33/0x50 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa004ae90>] ? kvm_zap_rmapp+0x50/0x50
[kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa004ae99>] kvm_unmap_rmapp+0x9/0x10
[kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa0046b93>]
kvm_handle_hva_range+0x113/0x170 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa00516d4>] kvm_age_hva+0x34/0x40 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffffa002cbc8>]
kvm_mmu_notifier_clear_flush_young+0x48/0x80 [kvm]
Jul 18 01:46:31 ovh kernel: [<ffffffff8115f866>]
__mmu_notifier_clear_flush_young+0x56/0x80
Jul 18 01:46:31 ovh kernel: [<ffffffff8114ab54>] page_referenced_one+0xe4/0xf0
Jul 18 01:46:31 ovh kernel: [<ffffffff8114a301>] rmap_walk_anon+0xc1/0x1d0
Jul 18 01:46:31 ovh kernel: [<ffffffff8114bde7>] rmap_walk+0x27/0x30
Jul 18 01:46:31 ovh kernel: [<ffffffff8114becd>] page_referenced+0xdd/0x1a0
Jul 18 01:46:31 ovh kernel: [<ffffffff8114aa70>] ?
__page_check_address+0x180/0x180
Jul 18 01:46:31 ovh kernel: [<ffffffff8114b570>] ?
page_get_anon_vma+0x120/0x120
Jul 18 01:46:31 ovh kernel: [<ffffffff8112a669>]
shrink_active_list+0x1c9/0x390
Jul 18 01:46:31 ovh kernel: [<ffffffff8112ae0b>] shrink_zone_memcg+0x5db/0x7d0
Jul 18 01:46:31 ovh kernel: [<ffffffff8112b0c6>] shrink_zone+0xc6/0x1f0
Jul 18 01:46:31 ovh kernel: [<ffffffff8112bf5a>] kswapd+0x43a/0x840
Jul 18 01:46:31 ovh kernel: [<ffffffff8112bb20>] ?
mem_cgroup_shrink_node_zone+0x150/0x150
Jul 18 01:46:31 ovh kernel: [<ffffffff81072fb4>] kthread+0xc4/0xe0
Jul 18 01:46:31 ovh kernel: [<ffffffff81740292>] ret_from_fork+0x22/0x40
Jul 18 01:46:31 ovh kernel: [<ffffffff81072ef0>] ? kthread_park+0x50/0x50
Jul 18 01:46:31 ovh kernel: ---[ end trace f30608d1658423c6 ]---
Is there a way to tell what the reason of that could be?
thanks and cheers
t.
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next reply other threads:[~2016-07-18 6:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-18 6:37 bugzilla-daemon [this message]
2016-07-18 6:51 ` [Bug 135471] Oops IP: [<ffffffffa0047081>] rmap_get_first+0x21/0x60 bugzilla-daemon
2016-07-18 6:56 ` bugzilla-daemon
2016-07-18 8:46 ` bugzilla-daemon
2016-07-18 8:47 ` bugzilla-daemon
2016-07-18 9:02 ` bugzilla-daemon
2016-07-18 11:44 ` bugzilla-daemon
2016-07-18 12:26 ` bugzilla-daemon
2016-07-18 14:18 ` bugzilla-daemon
2016-07-18 14:48 ` bugzilla-daemon
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