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本帖最后由 bigxu 于 2011-07-27 10:01 编辑
出现__down_read+0xbb/0xc6太多,便会死机。大家帮看一下是软件的问题,还是硬件的问题呢?
- [50447.343894] CPU 0
- [50447.344000] Modules linked in: snd_hda_intel iptable_filter snd_hda_codec ip_tables x_tables snd_hwdep snd_pcm lp snd_timer psmouse snd soundcore serio_raw parport snd_page_alloc e1000e megaraid_sas
- [50447.344831] Pid: 3313, comm: php-fpm Tainted: G D 2.6.31-14-server #48-Ubuntu System Product Name
- [50447.344956] RIP: 0010:[<ffffffff811aef07>] [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [50447.345114] RSP: 0000:ffff8800becc7d48 EFLAGS: 00010296
- [50447.345196] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000
- [50447.345285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
- [50447.345374] RBP: ffff8800becc7da8 R08: 0000000000000000 R09: ffffffff811af250
- [50447.345463] R10: 5200000000000000 R11: ffff8800becc7e38 R12: 0000000000000000
- [50447.345552] R13: 0000000000001000 R14: 0000000000000000 R15: ffffea0005f5aa40
- [50447.345642] FS: 00007f1f58d40910(0000) GS:ffffc90000000000(0000) knlGS:0000000000000000
- [50447.345761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
- [50447.345845] CR2: 0000000000000020 CR3: 000000016994e000 CR4: 00000000000006f0
- [50447.345934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
- [50447.346023] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- [50447.346111] Process php-fpm (pid: 3313, threadinfo ffff8800becc6000, task ffff88013a2ead60)
- [50447.346228] Stack:
- [50447.346298] ffff8800becc7d98 ffffffff815268eb 0000000000000282 ffff8800becc7d78
- [50447.346493] <0> ffffffff811af250 0000000000000000 ffff8800becc7db8 ffff880131455500
- [50447.346787] <0> ffff880067cc3208 ffff880067cc3248 0000000000001000 ffffea0005f5aa40
- [50447.347142] Call Trace:
- [50447.347215] [<ffffffff815268eb>] ? __down_read+0xbb/0xc6
- [50447.347297] [<ffffffff811af250>] ? ext4_bh_unmapped+0x0/0x20
- [50447.347382] [<ffffffff811af355>] ext4_page_mkwrite+0xe5/0x160
- [50447.347467] [<ffffffff810785dc>] ? __wake_up_bit+0x2c/0x30
- [50447.347550] [<ffffffff810f3a48>] __do_fault+0xb8/0x4e0
- [50447.347632] [<ffffffff810f8157>] handle_mm_fault+0x1a7/0x3c0
- [50447.347716] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
- [50447.347802] [<ffffffff81529645>] do_page_fault+0x165/0x360
- [50447.347885] [<ffffffff81526fc5>] page_fault+0x25/0x30
- [50447.347965] Code: ff 90 90 90 55 31 c0 48 89 e5 41 57 41 56 4d 89 c6 41 55 41 89 cd 41 54 41 89 d4 53 48 89 f3 48 83 ec 38 48 89 7d c8 4c 89 4d c0 <4c> 8b 7e 20 44 89 f9 eb 45 45 39 e7 76 4d 48 89 55 b0 89 4d b8
- [50447.350468] RIP [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [50447.350589] RSP <ffff8800becc7d48>
- [50447.350663] CR2: 0000000000000020
- [50447.350882] ---[ end trace a055e0ac7ce5922f ]---
- [52224.075451] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
- [52224.075542] IP: [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [52224.075601] PGD 18986b067 PUD 14a504067 PMD 0
- [52224.075651] Oops: 0000 [#14] SMP
- [52224.075696] last sysfs file: /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
- [52224.075778] CPU 2
- [52224.075816] Modules linked in: snd_hda_intel iptable_filter snd_hda_codec ip_tables x_tables snd_hwdep snd_pcm lp snd_timer psmouse snd soundcore serio_raw parport snd_page_alloc e1000e megaraid_sas
- [52224.075995] Pid: 22543, comm: php-fpm Tainted: G D 2.6.31-14-server #48-Ubuntu System Product Name
- [52224.076084] RIP: 0010:[<ffffffff811aef07>] [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [52224.076171] RSP: 0000:ffff8800489c3d48 EFLAGS: 00010296
- [52224.076219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000
- [52224.076273] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
- [52224.076327] RBP: ffff8800489c3da8 R08: 0000000000000000 R09: ffffffff811af250
- [52224.076381] R10: 1600000000000000 R11: ffff8800489c3e38 R12: 0000000000000000
- [52224.076435] R13: 0000000000001000 R14: 0000000000000000 R15: ffffea000539a2c0
- [52224.076489] FS: 00007fb029c82910(0000) GS:ffffc90000400000(0000) knlGS:0000000000000000
- [52224.076573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
- [52224.076622] CR2: 0000000000000020 CR3: 0000000157d18000 CR4: 00000000000006e0
- [52224.076676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
- [52224.076730] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- [52224.076785] Process php-fpm (pid: 22543, threadinfo ffff8800489c2000, task ffff88007d19dac0)
- [52224.076869] Stack:
- [52224.076905] ffff8800489c3d98 ffffffff815268eb 0000000000000282 ffff8800269304f4
- [52224.076964] <0> ffffffff811af250 0000000000000000 ffff8800489c3d98 ffff88013a9da9c0
- [52224.077054] <0> ffff8800269304f0 ffff880026930530 0000000000001000 ffffea000539a2c0
- [52224.077173] Call Trace:
- [52224.077215] [<ffffffff815268eb>] ? __down_read+0xbb/0xc6
- [52224.077264] [<ffffffff811af250>] ? ext4_bh_unmapped+0x0/0x20
- [52224.077315] [<ffffffff811af355>] ext4_page_mkwrite+0xe5/0x160
- [52224.077366] [<ffffffff810f3a48>] __do_fault+0xb8/0x4e0
- [52224.077415] [<ffffffff810f8157>] handle_mm_fault+0x1a7/0x3c0
- [52224.077468] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
- [52224.078450] [<ffffffff81529645>] do_page_fault+0x165/0x360
- [52224.078501] [<ffffffff81526fc5>] page_fault+0x25/0x30
- [52224.078547] Code: ff 90 90 90 55 31 c0 48 89 e5 41 57 41 56 4d 89 c6 41 55 41 89 cd 41 54 41 89 d4 53 48 89 f3 48 83 ec 38 48 89 7d c8 4c 89 4d c0 <4c> 8b 7e 20 44 89 f9 eb 45 45 39 e7 76 4d 48 89 55 b0 89 4d b8
- [52224.078828] RIP [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [52224.078880] RSP <ffff8800489c3d48>
- [52224.078921] CR2: 0000000000000020
- [52224.079236] ---[ end trace a055e0ac7ce59230 ]---
- [54570.454811] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
- [54570.454901] IP: [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [54570.454959] PGD 16107a067 PUD 16107b067 PMD 0
- [54570.455010] Oops: 0000 [#15] SMP
- [54570.455054] last sysfs file: /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
- [54570.455137] CPU 2
- [54570.455174] Modules linked in: snd_hda_intel iptable_filter snd_hda_codec ip_tables x_tables snd_hwdep snd_pcm lp snd_timer psmouse snd soundcore serio_raw parport snd_page_alloc e1000e megaraid_sas
- [54570.455354] Pid: 22461, comm: php-fpm Tainted: G D 2.6.31-14-server #48-Ubuntu System Product Name
- [54570.455443] RIP: 0010:[<ffffffff811aef07>] [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [54570.455530] RSP: 0000:ffff8800a904dd48 EFLAGS: 00010296
- [54570.455577] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000
- [54570.455631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
- [54570.455685] RBP: ffff8800a904dda8 R08: 0000000000000000 R09: ffffffff811af250
- [54570.455740] R10: 21c0000000000000 R11: ffff8800a904de38 R12: 0000000000000000
- [54570.455794] R13: 0000000000001000 R14: 0000000000000000 R15: ffffea000142c438
- [54570.455848] FS: 00007fb898ce5910(0000) GS:ffffc90000400000(0000) knlGS:0000000000000000
- [54570.455932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
- [54570.455981] CR2: 0000000000000020 CR3: 0000000179010000 CR4: 00000000000006e0
- [54570.456035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
- [54570.456089] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- [54570.456144] Process php-fpm (pid: 22461, threadinfo ffff8800a904c000, task ffff8801398ddac0)
- [54570.456228] Stack:
- [54570.456264] ffff8800a904dd98 ffffffff815268eb 0000000000000282 ffff8800a904dd78
- [54570.456323] <0> ffffffff811af250 0000000000000000 ffff8800a904ddb8 ffff88013a89a9c0
- [54570.456413] <0> ffff88001ba020b0 ffff88001ba020f0 0000000000001000 ffffea000142c438
- [54570.456533] Call Trace:
- [54570.456575] [<ffffffff815268eb>] ? __down_read+0xbb/0xc6
- [54570.456625] [<ffffffff811af250>] ? ext4_bh_unmapped+0x0/0x20
- [54570.456675] [<ffffffff811af355>] ext4_page_mkwrite+0xe5/0x160
- [54570.456728] [<ffffffff810785dc>] ? __wake_up_bit+0x2c/0x30
- [54570.456778] [<ffffffff810f3a48>] __do_fault+0xb8/0x4e0
- [54570.456827] [<ffffffff810f8157>] handle_mm_fault+0x1a7/0x3c0
- [54570.456880] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
- [54570.456933] [<ffffffff81529645>] do_page_fault+0x165/0x360
- [54570.456983] [<ffffffff81526fc5>] page_fault+0x25/0x30
- [54570.457030] Code: ff 90 90 90 55 31 c0 48 89 e5 41 57 41 56 4d 89 c6 41 55 41 89 cd 41 54 41 89 d4 53 48 89 f3 48 83 ec 38 48 89 7d c8 4c 89 4d c0 <4c> 8b 7e 20 44 89 f9 eb 45 45 39 e7 76 4d 48 89 55 b0 89 4d b8
- [54570.457311] RIP [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [54570.457363] RSP <ffff8800a904dd48>
- [54570.457404] CR2: 0000000000000020
- [54570.457729] ---[ end trace a055e0ac7ce59231 ]---
- [55424.796705] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
- [55424.796796] IP: [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [55424.796854] PGD 17fcb6067 PUD 16115a067 PMD 0
- [55424.796905] Oops: 0000 [#16] SMP
- [55424.796950] last sysfs file: /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
- [55424.797032] CPU 0
- [55424.797070] Modules linked in: snd_hda_intel iptable_filter snd_hda_codec ip_tables x_tables snd_hwdep snd_pcm lp snd_timer psmouse snd soundcore serio_raw parport snd_page_alloc e1000e megaraid_sas
- [55424.797249] Pid: 19321, comm: php-fpm Tainted: G D 2.6.31-14-server #48-Ubuntu System Product Name
- [55424.797338] RIP: 0010:[<ffffffff811aef07>] [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [55424.797425] RSP: 0000:ffff88014a46dd48 EFLAGS: 00010296
- [55424.797472] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000
- [55424.797526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
- [55424.797580] RBP: ffff88014a46dda8 R08: 0000000000000000 R09: ffffffff811af250
- [55424.797634] R10: 8280000000000000 R11: ffff88014a46de38 R12: 0000000000000000
- [55424.797689] R13: 0000000000001000 R14: 0000000000000000 R15: ffffea0001c5f050
- [55424.797743] FS: 00007fb8b120b710(0000) GS:ffffc90000000000(0000) knlGS:0000000000000000
- [55424.797827] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
- [55424.797876] CR2: 0000000000000020 CR3: 0000000157d18000 CR4: 00000000000006f0
- [55424.797930] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
- [55424.797984] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- [55424.798038] Process php-fpm (pid: 19321, threadinfo ffff88014a46c000, task ffff88016f9e2d60)
- [55424.798123] Stack:
- [55424.798158] ffff88014a46dd98 ffffffff815268eb 0000000000000282 ffff88001ebb20b4
- [55424.798218] <0> ffffffff811af250 0000000000000000 ffff88014a46dd98 ffff88013a481ec0
- [55424.798308] <0> ffff88001ebb20b0 ffff88001ebb20f0 0000000000001000 ffffea0001c5f050
- [55424.798427] Call Trace:
- [55424.798469] [<ffffffff815268eb>] ? __down_read+0xbb/0xc6
- [55424.798518] [<ffffffff811af250>] ? ext4_bh_unmapped+0x0/0x20
- [55424.798569] [<ffffffff811af355>] ext4_page_mkwrite+0xe5/0x160
- [55424.798620] [<ffffffff810f3a48>] __do_fault+0xb8/0x4e0
- [55424.798669] [<ffffffff810f8157>] handle_mm_fault+0x1a7/0x3c0
- [55424.798722] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
- [55424.798775] [<ffffffff81529645>] do_page_fault+0x165/0x360
- [55424.798825] [<ffffffff81526fc5>] page_fault+0x25/0x30
- [55424.798872] Code: ff 90 90 90 55 31 c0 48 89 e5 41 57 41 56 4d 89 c6 41 55 41 89 cd 41 54 41 89 d4 53 48 89 f3 48 83 ec 38 48 89 7d c8 4c 89 4d c0 <4c> 8b 7e 20 44 89 f9 eb 45 45 39 e7 76 4d 48 89 55 b0 89 4d b8
- [55424.799153] RIP [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [55424.799205] RSP <ffff88014a46dd48>
- [55424.799246] CR2: 0000000000000020
- [55424.799561] ---[ end trace a055e0ac7ce59232 ]---
- [55424.799790] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
- [55424.799980] IP: [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [55424.800103] PGD 17fcb6067 PUD 16115a067 PMD 0
- [55424.800289] Oops: 0000 [#17] SMP
- [55424.800434] last sysfs file: /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
- [55424.800549] CPU 2
- [55424.800654] Modules linked in: snd_hda_intel iptable_filter snd_hda_codec ip_tables x_tables snd_hwdep snd_pcm lp snd_timer psmouse snd soundcore serio_raw parport snd_page_alloc e1000e megaraid_sas
- [55424.801478] Pid: 4594, comm: php-fpm Tainted: G D 2.6.31-14-server #48-Ubuntu System Product Name
- [55424.801600] RIP: 0010:[<ffffffff811aef07>] [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [55424.801756] RSP: 0000:ffff880157dffd48 EFLAGS: 00010296
- [55424.801837] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000
- [55424.801924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
- [55424.802011] RBP: ffff880157dffda8 R08: 0000000000000000 R09: ffffffff811af250
- [55424.802099] R10: 8100000000000000 R11: ffff880157dffe38 R12: 0000000000000000
- [55424.802186] R13: 0000000000001000 R14: 0000000000000000 R15: ffffea000293f020
- [55424.802274] FS: 00007fb8986c9910(0000) GS:ffffc90000400000(0000) knlGS:0000000000000000
- [55424.802391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
- [55424.802474] CR2: 0000000000000020 CR3: 0000000157d18000 CR4: 00000000000006e0
- [55424.802561] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
- [55424.802648] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- [55424.802736] Process php-fpm (pid: 4594, threadinfo ffff880157dfe000, task ffff88013a4c0000)
- [55424.802853] Stack:
- [55424.802922] ffff880157dffd98 ffffffff815268eb 0000000000000282 ffff880157dffd78
- [55424.803117] <0> ffffffff811af250 0000000000000000 ffff880157dffdb8 ffff88013a481ec0
- [55424.803410] <0> ffff88001ebb20b0 ffff88001ebb20f0 0000000000001000 ffffea000293f020
- [55424.803766] Call Trace:
- [55424.803839] [<ffffffff815268eb>] ? __down_read+0xbb/0xc6
- [55424.803922] [<ffffffff811af250>] ? ext4_bh_unmapped+0x0/0x20
- [55424.804006] [<ffffffff811af355>] ext4_page_mkwrite+0xe5/0x160
- [55424.804093] [<ffffffff810785dc>] ? __wake_up_bit+0x2c/0x30
- [55424.804176] [<ffffffff810f3a48>] __do_fault+0xb8/0x4e0
- [55424.804257] [<ffffffff810f8157>] handle_mm_fault+0x1a7/0x3c0
- [55424.804342] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
- [55424.804428] [<ffffffff81529645>] do_page_fault+0x165/0x360
- [55424.804511] [<ffffffff81526fc5>] page_fault+0x25/0x30
- [55424.804592] Code: ff 90 90 90 55 31 c0 48 89 e5 41 57 41 56 4d 89 c6 41 55 41 89 cd 41 54 41 89 d4 53 48 89 f3 48 83 ec 38 48 89 7d c8 4c 89 4d c0 <4c> 8b 7e 20 44 89 f9 eb 45 45 39 e7 76 4d 48 89 55 b0 89 4d b8
- [55424.807095] RIP [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [55424.807216] RSP <ffff880157dffd48>
- [55424.807290] CR2: 0000000000000020
- [55424.807371] ---[ end trace a055e0ac7ce59233 ]---
- [56276.961065] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
- [56276.961156] IP: [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [56276.961215] PGD 1bb88b067 PUD 157cc0067 PMD 0
- [56276.961265] Oops: 0000 [#18] SMP
- [56276.961310] last sysfs file: /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
- [56276.961392] CPU 2
- [56276.961430] Modules linked in: snd_hda_intel iptable_filter snd_hda_codec ip_tables x_tables snd_hwdep snd_pcm lp snd_timer psmouse snd soundcore serio_raw parport snd_page_alloc e1000e megaraid_sas
- [56276.961609] Pid: 19036, comm: php-fpm Tainted: G D 2.6.31-14-server #48-Ubuntu System Product Name
- [56276.962627] RIP: 0010:[<ffffffff811aef07>] [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [56276.962714] RSP: 0000:ffff88005bfdbd48 EFLAGS: 00010296
- [56276.962762] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000
- [56276.962816] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
- [56276.962870] RBP: ffff88005bfdbda8 R08: 0000000000000000 R09: ffffffff811af250
- [56276.962924] R10: 6600000000000000 R11: ffff88005bfdbe38 R12: 0000000000000000
- [56276.962978] R13: 0000000000001000 R14: 0000000000000000 R15: ffffea0000816cc0
- [56276.963033] FS: 00007f9f4ecca910(0000) GS:ffffc90000400000(0000) knlGS:0000000000000000
- [56276.963116] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
- [56276.963165] CR2: 0000000000000020 CR3: 00000001bc1fc000 CR4: 00000000000006e0
- [56276.963219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
- [56276.963274] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- [56276.963328] Process php-fpm (pid: 19036, threadinfo ffff88005bfda000, task ffff880138c54410)
- [56276.963412] Stack:
- [56276.963448] ffff88005bfdbd98 ffffffff815268eb 0000000000000282 ffff88005bfdbd78
- [56276.963508] <0> ffffffff811af250 0000000000000000 ffff88005bfdbdb8 ffff88008c909d40
- [56276.963598] <0> ffff88005d715140 ffff88005d715180 0000000000001000 ffffea0000816cc0
- [56276.963717] Call Trace:
- [56276.963759] [<ffffffff815268eb>] ? __down_read+0xbb/0xc6
- [56276.963810] [<ffffffff811af250>] ? ext4_bh_unmapped+0x0/0x20
- [56276.963861] [<ffffffff811af355>] ext4_page_mkwrite+0xe5/0x160
- [56276.963913] [<ffffffff810785dc>] ? __wake_up_bit+0x2c/0x30
- [56276.963963] [<ffffffff810f3a48>] __do_fault+0xb8/0x4e0
- [56276.964012] [<ffffffff810f8157>] handle_mm_fault+0x1a7/0x3c0
- [56276.964065] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
- [56276.964118] [<ffffffff81529645>] do_page_fault+0x165/0x360
- [56276.964168] [<ffffffff81526fc5>] page_fault+0x25/0x30
- [56276.964215] Code: ff 90 90 90 55 31 c0 48 89 e5 41 57 41 56 4d 89 c6 41 55 41 89 cd 41 54 41 89 d4 53 48 89 f3 48 83 ec 38 48 89 7d c8 4c 89 4d c0 <4c> 8b 7e 20 44 89 f9 eb 45 45 39 e7 76 4d 48 89 55 b0 89 4d b8
- [56276.964496] RIP [<ffffffff811aef07>] walk_page_buffers+0x27/0xb0
- [56276.964549] RSP <ffff88005bfdbd48>
- [56276.964590] CR2: 0000000000000020
- [56276.964912] ---[ end trace a055e0ac7ce59234 ]---
- me@localhost~$ :
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