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probably commit b3d574ae ( Linus github 10-01-2015) causes oops after run Android SDK Manager from Eclipse

DISCUSSION Krzysztof Kolasa 3 participants 4 messages Jan 10, 2015 – Jan 11, 2015

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#0 lore raw
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320920] ------------[ cut here ]------------
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320927] Kernel BUG at ffffffff81187f1f [verbose debug info unavailable]
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320929] invalid opcode: 0000 [#3] SMP
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320932] Modules linked in: dm_crypt(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) c

use(E) arc4(E) md4(E) bnep(E) rfcomm(E) bluetooth(E) nls_utf8(E) cifs(E) fscache(E) binfmt_misc(E) fglrx(OE) uvcvideo(E) videobuf2_vmalloc(E) x86_pkg_ temp_thermal(E) videobuf2_memops(E) videobuf2_core(E) hp_wmi(E) v4l2_common(E) wl(POE) kvm_intel(E) sparse_keymap(E) videodev(E) kvm(E) ghash_clmulni_ intel(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) snd_hda_codec_idt(E) snd_hda_codec_hdmi(E) snd_hda_codec_generic(E) glue_helper(E) ablk_helpe r(E) snd_hda_intel(E) cryptd(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_pcm(E) snd_seq_midi(E) snd_seq_midi_event(E) microcode(E) snd_ rawmidi(E) snd_seq(E) snd_seq_device(E) snd_timer(E) snd(E) cfg80211(E) soundcore(E) joydev(E) lpc_ich(E) hp_accel(E) wmi(E) serio_raw(E) tpm_infineon
(E) lis3lv02d(E) amd_iommu_v2(E) input_polldev(E) video(E) tpm_tis(E) mac_hid(E) parport_pc(E) ppdev(E) coretemp(E) lp(E) parport(E) hid_generic(E) us bhid(E) hid(E) mmc_block(E) psmouse(E) firewire_ohci(E) ahci(E) libahci(E) sdhci_pci(E) e1000e(E) firewire_core(E) sdhci(E) crc_itu_t(E) ptp(E) pps_co re(E)

Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320979] CPU: 1 PID: 6871 Comm: Sweeper thread Tainted: P      D    OE 3.19.0-rc3-winsoft-x64+ #10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320981] Hardware name: Hewlett-Packard HP ProBook 6560b/1619, BIOS 68SCE Ver. F.50 08/04/2014
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320983] task: ffff88005d95b1c0 ti: ffff88018ee18000 task.ti: ffff88018ee18000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320985] RIP: 0010:[<ffffffff81187f1f>]  [<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320993] RSP: 0018:ffff88018ee1bba8  EFLAGS: 00010286
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320994] RAX: ffff880182a47c50 RBX: ffff880182a47c40 RCX: ffff8801b9e1d638
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320996] RDX: 00000000ffffffff RSI: ffff8801abb60630 RDI: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320998] RBP: ffff88018ee1bbe8 R08: 00000000f70a2000 R09: 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321000] R10: ffff880182a47c60 R11: ffffea00060a91c0 R12: ffff8801b9e1d628
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321001] R13: ffff8801b9e1d638 R14: ffff8801abb605f0 R15: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321003] FS: 0000000000000000(0000) GS:ffff88023f440000(0000) knlGS:0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321005] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321007] CR2: 00000000f653e70c CR3: 0000000001c12000 CR4: 00000000000407e0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321008] Stack:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321010] ffff8801b9e1d5c0 ffff8801abb605f0 ffff88018ee1bbe8 ffff88006a1d70b8
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321013] 00000000a3255000 0000000000000000 ffff88018ee1bc58 ffff8801b9e1d5c0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321016] ffff88018ee1bc38 ffffffff81179b58 ffff88018ee1bc38 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321019] Call Trace:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321025] [<ffffffff81179b58>] free_pgtables+0xa8/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321029] [<ffffffff81183e5f>] exit_mmap+0xdf/0x170
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321033] [<ffffffff81055984>] mmput+0x64/0x130
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321036] [<ffffffff8105ab2f>] do_exit+0x26f/0xb10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321039] [<ffffffff8105b45f>] do_group_exit+0x3f/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321044] [<ffffffff81066d48>] get_signal+0x1d8/0x5f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321047] [<ffffffff81002e10>] do_signal+0x20/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321052] [<ffffffff810d0d01>] ? compat_SyS_futex+0x71/0x140
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321055] [<ffffffff81002f80>] do_notify_resume+0x70/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321059] [<ffffffff8171ebc7>] int_signal+0x12/0x17
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321061] Code: 44 24 10 48 8d 50 f0 49 8d 44 24 10 49 39 c5 75 9b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d
 c3 0f 1f 40 00 e8 c3 fa ff ff eb 99 <0f> 0b 80 3d ea 8e b6 00 00 74 16 
49 8d 7e 08 48 89 55 c8 e8 09
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321088] RIP [<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321091]  RSP <ffff88018ee1bba8>
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321094] ---[ end trace 1c9e464233c6be56 ]---
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321096] Fixing recursive fault but reboot is needed!

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#1 lore raw

More likely that was me. Please see this thread:
lkml.kernel.org/r/CALYGNiOpw75TJhXX5czdkEsver0HVf+oGX3d8qVKNPRNLygUpQ@mail.gmail.com

Quoted 94 lines · Krzysztof Kolasa
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320920] ------------[ cut here
]------------
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320927] Kernel BUG at
ffffffff81187f1f [verbose debug info unavailable]
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320929] invalid opcode: 0000
[#3] SMP
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320932] Modules linked in:

dm_crypt(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) c
use(E) arc4(E) md4(E) bnep(E) rfcomm(E) bluetooth(E) nls_utf8(E) cifs(E) fscache(E) binfmt_misc(E) fglrx(OE) uvcvideo(E) videobuf2_vmalloc(E) x86_pkg_
temp_thermal(E) videobuf2_memops(E) videobuf2_core(E) hp_wmi(E) v4l2_common(E) wl(POE) kvm_intel(E) sparse_keymap(E) videodev(E) kvm(E) ghash_clmulni_
intel(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) snd_hda_codec_idt(E) snd_hda_codec_hdmi(E) snd_hda_codec_generic(E) glue_helper(E) ablk_helpe
r(E) snd_hda_intel(E) cryptd(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_pcm(E) snd_seq_midi(E) snd_seq_midi_event(E) microcode(E) snd_
rawmidi(E) snd_seq(E) snd_seq_device(E) snd_timer(E) snd(E) cfg80211(E) soundcore(E) joydev(E) lpc_ich(E) hp_accel(E) wmi(E) serio_raw(E) tpm_infineon
(E) lis3lv02d(E) amd_iommu_v2(E) input_polldev(E) video(E) tpm_tis(E) mac_hid(E) parport_pc(E) ppdev(E) coretemp(E) lp(E) parport(E) hid_generic(E) us
bhid(E) hid(E) mmc_block(E) psmouse(E) firewire_ohci(E) ahci(E) libahci(E) sdhci_pci(E) e1000e(E) firewire_core(E) sdhci(E) crc_itu_t(E) ptp(E) pps_co re(E)

Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320979] CPU: 1 PID: 6871 Comm:
Sweeper thread Tainted: P      D    OE 3.19.0-rc3-winsoft-x64+ #10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320981] Hardware name:
Hewlett-Packard HP ProBook 6560b/1619, BIOS 68SCE Ver. F.50 08/04/2014
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320983] task: ffff88005d95b1c0
ti: ffff88018ee18000 task.ti: ffff88018ee18000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320985] RIP:
0010:[<ffffffff81187f1f>]  [<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320993] RSP:
0018:ffff88018ee1bba8  EFLAGS: 00010286
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320994] RAX: ffff880182a47c50
RBX: ffff880182a47c40 RCX: ffff8801b9e1d638
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320996] RDX: 00000000ffffffff
RSI: ffff8801abb60630 RDI: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320998] RBP: ffff88018ee1bbe8
R08: 00000000f70a2000 R09: 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321000] R10: ffff880182a47c60
R11: ffffea00060a91c0 R12: ffff8801b9e1d628
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321001] R13: ffff8801b9e1d638
R14: ffff8801abb605f0 R15: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321003] FS:
0000000000000000(0000) GS:ffff88023f440000(0000) knlGS:0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321005] CS:  0010 DS: 002b ES:
002b CR0: 0000000080050033
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321007] CR2: 00000000f653e70c
CR3: 0000000001c12000 CR4: 00000000000407e0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321008] Stack:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321010] ffff8801b9e1d5c0
ffff8801abb605f0 ffff88018ee1bbe8 ffff88006a1d70b8
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321013] 00000000a3255000
0000000000000000 ffff88018ee1bc58 ffff8801b9e1d5c0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321016] ffff88018ee1bc38
ffffffff81179b58 ffff88018ee1bc38 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321019] Call Trace:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321025] [<ffffffff81179b58>]
free_pgtables+0xa8/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321029] [<ffffffff81183e5f>]
exit_mmap+0xdf/0x170
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321033] [<ffffffff81055984>]
mmput+0x64/0x130
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321036] [<ffffffff8105ab2f>]
do_exit+0x26f/0xb10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321039] [<ffffffff8105b45f>]
do_group_exit+0x3f/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321044] [<ffffffff81066d48>]
get_signal+0x1d8/0x5f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321047] [<ffffffff81002e10>]
do_signal+0x20/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321052] [<ffffffff810d0d01>] ?
compat_SyS_futex+0x71/0x140
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321055] [<ffffffff81002f80>]
do_notify_resume+0x70/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321059] [<ffffffff8171ebc7>]
int_signal+0x12/0x17
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321061] Code: 44 24 10 48 8d 50
f0 49 8d 44 24 10 49 39 c5 75 9b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d
 c3 0f 1f 40 00 e8 c3 fa ff ff eb 99 <0f> 0b 80 3d ea 8e b6 00 00 74 16 49
8d 7e 08 48 89 55 c8 e8 09
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321088] RIP [<ffffffff81187f1f>]
unlink_anon_vmas+0x1af/0x200
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321091]  RSP <ffff88018ee1bba8>
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321094] ---[ end trace
1c9e464233c6be56 ]---
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321096] Fixing recursive fault
Quoted 7 lines

but reboot is needed!

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#2 lore raw
In reply to Krzysztof Kolasa

Re: subject

why do you think it was this commit? bisection? The commit you point to is "Merge branch 'akpm' (patches from Andrew)"
It's possible that bisection pointed you to this, instead of the proper commit though. Luckily, there are only 12 of them and ...

Quoted 4 lines · Krzysztof Kolasa
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320920] ------------[ cut 
here ]------------
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320927] Kernel BUG at 

ffffffff81187f1f [verbose debug info unavailable]

Could you enable CONFIG_DEBUG_BUGVERBOSE please? This should make the stacktrace readable.

Quoted 27 lines
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320929] invalid opcode: 0000 
[#3] SMP
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320932] Modules linked in: 

dm_crypt(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) c
use(E) arc4(E) md4(E) bnep(E) rfcomm(E) bluetooth(E) nls_utf8(E) cifs(E) fscache(E) binfmt_misc(E) fglrx(OE) uvcvideo(E) videobuf2_vmalloc(E) x86_pkg_
temp_thermal(E) videobuf2_memops(E) videobuf2_core(E) hp_wmi(E) v4l2_common(E) wl(POE) kvm_intel(E) sparse_keymap(E) videodev(E) kvm(E) ghash_clmulni_
intel(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) snd_hda_codec_idt(E) snd_hda_codec_hdmi(E) snd_hda_codec_generic(E) glue_helper(E) ablk_helpe
r(E) snd_hda_intel(E) cryptd(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_pcm(E) snd_seq_midi(E) snd_seq_midi_event(E) microcode(E) snd_
rawmidi(E) snd_seq(E) snd_seq_device(E) snd_timer(E) snd(E) cfg80211(E) soundcore(E) joydev(E) lpc_ich(E) hp_accel(E) wmi(E) serio_raw(E) tpm_infineon
(E) lis3lv02d(E) amd_iommu_v2(E) input_polldev(E) video(E) tpm_tis(E) mac_hid(E) parport_pc(E) ppdev(E) coretemp(E) lp(E) parport(E) hid_generic(E) us
bhid(E) hid(E) mmc_block(E) psmouse(E) firewire_ohci(E) ahci(E) libahci(E) sdhci_pci(E) e1000e(E) firewire_core(E) sdhci(E) crc_itu_t(E) ptp(E) pps_co
re(E)

Quoted 8 lines
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320979] CPU: 1 PID: 6871 
Comm: Sweeper thread Tainted: P      D    OE 3.19.0-rc3-winsoft-x64+ #10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320981] Hardware name: 
Hewlett-Packard HP ProBook 6560b/1619, BIOS 68SCE Ver. F.50 08/04/2014
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320983] task: 
ffff88005d95b1c0 ti: ffff88018ee18000 task.ti: ffff88018ee18000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320985] RIP: 

0010:[<ffffffff81187f1f>] [<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200

Nevertheless, here we see unlink_anon_vmas, which would strongly point to 7a3ef208e662f4b63d ("mm: prevent endless growth of anon_vma hierarchy") and we also have another report for that.

Still your stracktrace could be useful to help determining the cause, if you enabled the verbose debugging.

Thanks.

Quoted 57 lines
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320993] RSP: 
0018:ffff88018ee1bba8  EFLAGS: 00010286
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320994] RAX: 
ffff880182a47c50 RBX: ffff880182a47c40 RCX: ffff8801b9e1d638
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320996] RDX: 
00000000ffffffff RSI: ffff8801abb60630 RDI: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320998] RBP: 
ffff88018ee1bbe8 R08: 00000000f70a2000 R09: 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321000] R10: 
ffff880182a47c60 R11: ffffea00060a91c0 R12: ffff8801b9e1d628
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321001] R13: 
ffff8801b9e1d638 R14: ffff8801abb605f0 R15: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321003] FS: 
0000000000000000(0000) GS:ffff88023f440000(0000) knlGS:0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321005] CS:  0010 DS: 002b 
ES: 002b CR0: 0000000080050033
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321007] CR2: 
00000000f653e70c CR3: 0000000001c12000 CR4: 00000000000407e0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321008] Stack:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321010] ffff8801b9e1d5c0 
ffff8801abb605f0 ffff88018ee1bbe8 ffff88006a1d70b8
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321013] 00000000a3255000 
0000000000000000 ffff88018ee1bc58 ffff8801b9e1d5c0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321016] ffff88018ee1bc38 
ffffffff81179b58 ffff88018ee1bc38 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321019] Call Trace:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321025] [<ffffffff81179b58>] 
free_pgtables+0xa8/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321029] [<ffffffff81183e5f>] 
exit_mmap+0xdf/0x170
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321033] [<ffffffff81055984>] 
mmput+0x64/0x130
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321036] [<ffffffff8105ab2f>] 
do_exit+0x26f/0xb10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321039] [<ffffffff8105b45f>] 
do_group_exit+0x3f/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321044] [<ffffffff81066d48>] 
get_signal+0x1d8/0x5f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321047] [<ffffffff81002e10>] 
do_signal+0x20/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321052] [<ffffffff810d0d01>] 
? compat_SyS_futex+0x71/0x140
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321055] [<ffffffff81002f80>] 
do_notify_resume+0x70/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321059] [<ffffffff8171ebc7>] 
int_signal+0x12/0x17
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321061] Code: 44 24 10 48 8d 

50 f0 49 8d 44 24 10 49 39 c5 75 9b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d
c3 0f 1f 40 00 e8 c3 fa ff ff eb 99 <0f> 0b 80 3d ea 8e b6 00 00 74 16
49 8d 7e 08 48 89 55 c8 e8 09

Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321088] RIP 
[<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321091]  RSP <ffff88018ee1bba8>
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321094] ---[ end trace 
1c9e464233c6be56 ]---
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321096] Fixing recursive 
Quoted 8 lines

fault but reboot is needed!

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#3 lore raw

OK CONFIG_DEBUG_BUGVERBOSE enabled

kernel BUG at mm/rmap.c:399!
this one line added with merged commit b3d574ae
after remove it:
----

mm/rmap.c +0 -1
index 71cd5bd..68d115f 100644
@@ -396,7 +396,6 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
     list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
         struct anon_vma *anon_vma = avc->anon_vma;
 
-        BUG_ON(anon_vma->degree);
         put_anon_vma(anon_vma);
 
         list_del(&avc->same_vma);

----
system working stable and not generate oops.

Quoted 126 lines · Vlastimil Babka

Re: subject

why do you think it was this commit? bisection? The commit you point to is "Merge branch 'akpm' (patches from Andrew)"
It's possible that bisection pointed you to this, instead of the proper commit though. Luckily, there are only 12 of them and ...

Quoted 4 lines · Krzysztof Kolasa
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320920] ------------[ cut
here ]------------
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320927] Kernel BUG at

ffffffff81187f1f [verbose debug info unavailable]

Could you enable CONFIG_DEBUG_BUGVERBOSE please? This should make the stacktrace readable.

Quoted 27 lines
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320929] invalid opcode: 0000
[#3] SMP
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320932] Modules linked in:

dm_crypt(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) c
use(E) arc4(E) md4(E) bnep(E) rfcomm(E) bluetooth(E) nls_utf8(E) cifs(E) fscache(E) binfmt_misc(E) fglrx(OE) uvcvideo(E) videobuf2_vmalloc(E) x86_pkg_
temp_thermal(E) videobuf2_memops(E) videobuf2_core(E) hp_wmi(E) v4l2_common(E) wl(POE) kvm_intel(E) sparse_keymap(E) videodev(E) kvm(E) ghash_clmulni_
intel(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) snd_hda_codec_idt(E) snd_hda_codec_hdmi(E) snd_hda_codec_generic(E) glue_helper(E) ablk_helpe
r(E) snd_hda_intel(E) cryptd(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_pcm(E) snd_seq_midi(E) snd_seq_midi_event(E) microcode(E) snd_
rawmidi(E) snd_seq(E) snd_seq_device(E) snd_timer(E) snd(E) cfg80211(E) soundcore(E) joydev(E) lpc_ich(E) hp_accel(E) wmi(E) serio_raw(E) tpm_infineon
(E) lis3lv02d(E) amd_iommu_v2(E) input_polldev(E) video(E) tpm_tis(E) mac_hid(E) parport_pc(E) ppdev(E) coretemp(E) lp(E) parport(E) hid_generic(E) us
bhid(E) hid(E) mmc_block(E) psmouse(E) firewire_ohci(E) ahci(E) libahci(E) sdhci_pci(E) e1000e(E) firewire_core(E) sdhci(E) crc_itu_t(E) ptp(E) pps_co
re(E)

Quoted 8 lines
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320979] CPU: 1 PID: 6871
Comm: Sweeper thread Tainted: P      D    OE 3.19.0-rc3-winsoft-x64+ #10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320981] Hardware name:
Hewlett-Packard HP ProBook 6560b/1619, BIOS 68SCE Ver. F.50 08/04/2014
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320983] task:
ffff88005d95b1c0 ti: ffff88018ee18000 task.ti: ffff88018ee18000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320985] RIP:

0010:[<ffffffff81187f1f>] [<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200

Nevertheless, here we see unlink_anon_vmas, which would strongly point to 7a3ef208e662f4b63d ("mm: prevent endless growth of anon_vma hierarchy") and we also have another report for that.

Still your stracktrace could be useful to help determining the cause, if you enabled the verbose debugging.

Thanks.

Quoted 65 lines
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320993] RSP:
0018:ffff88018ee1bba8  EFLAGS: 00010286
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320994] RAX:
ffff880182a47c50 RBX: ffff880182a47c40 RCX: ffff8801b9e1d638
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320996] RDX:
00000000ffffffff RSI: ffff8801abb60630 RDI: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.320998] RBP:
ffff88018ee1bbe8 R08: 00000000f70a2000 R09: 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321000] R10:
ffff880182a47c60 R11: ffffea00060a91c0 R12: ffff8801b9e1d628
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321001] R13:
ffff8801b9e1d638 R14: ffff8801abb605f0 R15: ffff8801abb605f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321003] FS:
0000000000000000(0000) GS:ffff88023f440000(0000) knlGS:0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321005] CS:  0010 DS: 002b
ES: 002b CR0: 0000000080050033
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321007] CR2:
00000000f653e70c CR3: 0000000001c12000 CR4: 00000000000407e0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321008] Stack:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321010] ffff8801b9e1d5c0
ffff8801abb605f0 ffff88018ee1bbe8 ffff88006a1d70b8
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321013] 00000000a3255000
0000000000000000 ffff88018ee1bc58 ffff8801b9e1d5c0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321016] ffff88018ee1bc38
ffffffff81179b58 ffff88018ee1bc38 0000000000000000
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321019] Call Trace:
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321025] [<ffffffff81179b58>]
free_pgtables+0xa8/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321029] [<ffffffff81183e5f>]
exit_mmap+0xdf/0x170
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321033] [<ffffffff81055984>]
mmput+0x64/0x130
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321036] [<ffffffff8105ab2f>]
do_exit+0x26f/0xb10
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321039] [<ffffffff8105b45f>]
do_group_exit+0x3f/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321044] [<ffffffff81066d48>]
get_signal+0x1d8/0x5f0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321047] [<ffffffff81002e10>]
do_signal+0x20/0x120
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321052] [<ffffffff810d0d01>]
? compat_SyS_futex+0x71/0x140
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321055] [<ffffffff81002f80>]
do_notify_resume+0x70/0xa0
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321059] [<ffffffff8171ebc7>]
int_signal+0x12/0x17
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321061] Code: 44 24 10 48 8d

50 f0 49 8d 44 24 10 49 39 c5 75 9b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d
c3 0f 1f 40 00 e8 c3 fa ff ff eb 99 <0f> 0b 80 3d ea 8e b6 00 00 74 16
49 8d 7e 08 48 89 55 c8 e8 09

Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321088] RIP
[<ffffffff81187f1f>] unlink_anon_vmas+0x1af/0x200
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321091]  RSP <ffff88018ee1bba8>
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321094] ---[ end trace
1c9e464233c6be56 ]---
Jan 10 12:33:57 krzysiek-hp1 kernel: [ 3872.321096] Fixing recursive

fault but reboot is needed!

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