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Sat, 30 May 2020 10:58:01 +0200 To: Michael Schmitz , John Paul Adrian Glaubitz , linux-m68k Cc: Debian m68k References: <54998b37-e607-b8da-fe11-8a719531fba5@gmail.com> From: Laurent Vivier Autocrypt: addr=laurent@vivier.eu; prefer-encrypt=mutual; keydata= mQINBFYFJhkBEAC2me7w2+RizYOKZM+vZCx69GTewOwqzHrrHSG07MUAxJ6AY29/+HYf6EY2 WoeuLWDmXE7A3oJoIsRecD6BXHTb0OYS20lS608anr3B0xn5g0BX7es9Mw+hV/pL+63EOCVm SUVTEQwbGQN62guOKnJJJfphbbv82glIC/Ei4Ky8BwZkUuXd7d5NFJKC9/GDrbWdj75cDNQx UZ9XXbXEKY9MHX83Uy7JFoiFDMOVHn55HnncflUncO0zDzY7CxFeQFwYRbsCXOUL9yBtqLer Ky8/yjBskIlNrp0uQSt9LMoMsdSjYLYhvk1StsNPg74+s4u0Q6z45+l8RAsgLw5OLtTa+ePM JyS7OIGNYxAX6eZk1+91a6tnqfyPcMbduxyBaYXn94HUG162BeuyBkbNoIDkB7pCByed1A7q q9/FbuTDwgVGVLYthYSfTtN0Y60OgNkWCMtFwKxRaXt1WFA5ceqinN/XkgA+vf2Ch72zBkJL RBIhfOPFv5f2Hkkj0MvsUXpOWaOjatiu0fpPo6Hw14UEpywke1zN4NKubApQOlNKZZC4hu6/ 8pv2t4HRi7s0K88jQYBRPObjrN5+owtI51xMaYzvPitHQ2053LmgsOdN9EKOqZeHAYG2SmRW LOxYWKX14YkZI5j/TXfKlTpwSMvXho+efN4kgFvFmP6WT+tPnwARAQABtCJMYXVyZW50IFZp dmllciA8bGF1cmVudEB2aXZpZXIuZXU+iQI4BBMBAgAiBQJWBTDeAhsDBgsJCAcDAgYVCAIJ CgsEFgIDAQIeAQIXgAAKCRDzDDi9Py++PCEdD/oD8LD5UWxhQrMQCsUgLlXCSM7sxGLkwmmF ozqSSljEGRhffxZvO35wMFcdX9Z0QOabVoFTKrT04YmvbjsErh/dP5zeM/4EhUByeOS7s6Yl HubMXVQTkak9Wa9Eq6irYC6L41QNzz/oTwNEqL1weV1+XC3TNnht9B76lIaELyrJvRfgsp9M rE+PzGPo5h7QHWdL/Cmu8yOtPLa8Y6l/ywEJ040IoiAUfzRoaJs2csMXf0eU6gVBhCJ4bs91 jtWTXhkzdl4tdV+NOwj3j0ukPy+RjqeL2Ej+bomnPTOW8nAZ32dapmu7Fj7VApuQO/BSIHyO NkowMMjB46yohEepJaJZkcgseaus0x960c4ua/SUm/Nm6vioRsxyUmWd2nG0m089pp8LPopq WfAk1l4GciiMepp1Cxn7cnn1kmG6fhzedXZ/8FzsKjvx/aVeZwoEmucA42uGJ3Vk9TiVdZes lqMITkHqDIpHjC79xzlWkXOsDbA2UY/P18AtgJEZQPXbcrRBtdSifCuXdDfHvI+3exIdTpvj BfbgZAar8x+lcsQBugvktlQWPfAXZu4Shobi3/mDYMEDOE92dnNRD2ChNXg2IuvAL4OW40wh gXlkHC1ZgToNGoYVvGcZFug1NI+vCeCFchX+L3bXyLMg3rAfWMFPAZLzn42plIDMsBs+x2yP +bkCDQRWBSYZARAAvFJBFuX9A6eayxUPFaEczlMbGXugs0mazbOYGlyaWsiyfyc3PStHLFPj rSTaeJpPCjBJErwpZUN4BbpkBpaJiMuVO6egrC8Xy8/cnJakHPR2JPEvmj7Gm/L9DphTcE15 92rxXLesWzGBbuYxKsj8LEnrrvLyi3kNW6B5LY3Id+ZmU8YTQ2zLuGV5tLiWKKxc6s3eMXNq wrJTCzdVd6ThXrmUfAHbcFXOycUyf9vD+s+WKpcZzCXwKgm7x1LKsJx3UhuzT8ier1L363RW ZaJBZ9CTPiu8R5NCSn9V+BnrP3wlFbtLqXp6imGhazT9nJF86b5BVKpF8Vl3F0/Y+UZ4gUwL d9cmDKBcmQU/JaRUSWvvolNu1IewZZu3rFSVgcpdaj7F/1aC0t5vLdx9KQRyEAKvEOtCmP4m 38kU/6r33t3JuTJnkigda4+Sfu5kYGsogeYG6dNyjX5wpK5GJIJikEhdkwcLM+BUOOTi+I9u tX03BGSZo7FW/J7S9y0l5a8nooDs2gBRGmUgYKqQJHCDQyYut+hmcr+BGpUn9/pp2FTWijrP inb/Pc96YDQLQA1q2AeAFv3Rx3XoBTGl0RCY4KZ02c0kX/dm3eKfMX40XMegzlXCrqtzUk+N 8LeipEsnOoAQcEONAWWo1HcgUIgCjhJhBEF0AcELOQzitbJGG5UAEQEAAYkCHwQYAQIACQUC VgUmGQIbDAAKCRDzDDi9Py++PCD3D/9VCtydWDdOyMTJvEMRQGbx0GacqpydMEWbE3kUW0ha US5jz5gyJZHKR3wuf1En/3z+CEAEfP1M3xNGjZvpaKZXrgWaVWfXtGLoWAVTfE231NMQKGoB w2Dzx5ivIqxikXB6AanBSVpRpoaHWb06tPNxDL6SVV9lZpUn03DSR6gZEZvyPheNWkvz7bE6 FcqszV/PNvwm0C5Ju7NlJA8PBAQjkIorGnvN/vonbVh5GsRbhYPOc/JVwNNr63P76rZL8Gk/ hb3xtcIEi5CCzab45+URG/lzc6OV2nTj9Lg0SNcRhFZ2ILE3txrmI+aXmAu26+EkxLLfqCVT ohb2SffQha5KgGlOSBXustQSGH0yzzZVZb+HZPEvx6d/HjQ+t9sO1bCpEgPdZjyMuuMp9N1H ctbwGdQM2Qb5zgXO+8ZSzwC+6rHHIdtcB8PH2j+Nd88dVGYlWFKZ36ELeZxD7iJflsE8E8yg OpKgu3nD0ahBDqANU/ZmNNarBJEwvM2vfusmNnWm3QMIwxNuJghRyuFfx694Im1js0ZY3LEU JGSHFG4ZynA+ZFUPA6Xf0wHeJOxGKCGIyeKORsteIqgnkINW9fnKJw2pgk8qHkwVc3Vu+wGS ZiJK0xFusPQehjWTHn9WjMG1zvQ5TQQHxau/2FkP45+nRPco6vVFQe8JmgtRF8WFJA== Subject: Re: Kernel crash on qemu-m68k-system while building r-cran packages Message-ID: Date: Sat, 30 May 2020 10:58:00 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <54998b37-e607-b8da-fe11-8a719531fba5@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: fr Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:WT/xySX5hVQc+qESRE8761UfwyzD4w0jejjdX2TsoqqFX4JCFh3 9FCStNyilHXSY3TFTDtU1jNhYO2216aTRslyUMSEdYFDTlQb50LVB22FYkN2jIONjemtJuF d7K/N+ABR2iYjSVkKnz480MIY48u8Y0vpJOCO/NsV/oD0MykVRm1kpj9OygKddIiurInMlP BlXLx+lwVgXeai3Ynp0lw== X-UI-Out-Filterresults: notjunk:1;V03:K0:aKU0+XeX9Kk=:DDDa1Kyt2Gl4D6qAIhHQQ6 qUZp4YdOPboWUH/8m/MShQ7SpzWAZ9idoVeEMs+U4HYrO1SH0HoS9akZC/91Db+0h89phSgSU hQlzbtCSd9eeIEXnAYfV2QWj3NXLvjRZBqP3UdfUSJu9gVBqt+zXbp/TpqpxOeklfhA7TT7S7 VZ+GdpelcAY5vANt3zWvm/WU5tzXir8F12V+GTfhmirSy0hKCvC/HKrwrKNiYa0jzELAKLvwu T+VGH9wecY07ScJnrs1N/R1smpFjP0KFbr3v/l7sXloJ2XBhxCQ9hldrluTURcENFqoexaTGS IdRAVNrFuROvcJAkqZxrc06No+QXZL8M+mjJpQFApoBD3s4qMQB4uJEYOZCksgtFQOScT3XQk 5kXiV6sXcCN3chMOzqr+5PRi98FH1XVtEPdGcz9E+O/2VZRJR4CWNY4stEsZZacP721NuKO6T 0dB0Jp27YSYcDoacj2sBFl+E+jEHx8Fyf4nthm/7G4Qiafzm5o0SkcSZ53MNB3RshctbgYKa9 EkWZkgCZ7FspSfcAx75+EfUQLlZw48aNRtvH7jQAJuL9BQajWjmu3ynld0w1LKH5awLlEToEi 8C4i0ED9ZAsPj3NyBm2edb346JQfBLFKEjQFInZoMuZ8kJv0ioZJuKzblbarAA9XjTuv0nVWB 9+Ldc0O8QKcDH+PlYOBTP90uRBXZ2BwH4QmjsoBd3A2gRR/llkAOVwOzvKcsQk/lQX3Ot5iOB c6P2W3R9PsUXycHK8H/FWz53EpxZfZc89fP51TxRVQR9MRhieZwR5CQHHMK1tXvEur43oMD0T XannpK4ei1a+7okyufpoHG4UdcnKf4w49O7/+qPEIDCmPI/pB3flB6zk48Rf2LNoF0FOmcZ Sender: linux-m68k-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org Le 30/05/2020 à 01:49, Michael Schmitz a écrit : > Adrian, > > that's from the Motorola FPSP package - the fault instruction is > > fmovel #0,%fpsr > > at the start of the unsupported data format trap handler. The trap > handler clears the FPU status register here (and will clear the control > register in the next instruction). That should not cause an address error. > > Can you try to run that R binary on a real 060 or 040? It could be interesting to enable the TCG trace in QEMU. If you have access to the QEMU monitor use the following command before running R: logfile qemu.log log in_asm,op,int and share the file qemu.log Thanks, Laurent > Cheers, > >     Michael > > > Am 27.05.2020 um 21:14 schrieb John Paul Adrian Glaubitz: >> Hi! >> >> I just ran into the following kernel crash - which is reproducible - >> when trying >> to build the R package r-cran-phangorn on qemu-m68k-system on Linux >> 5.6.7. >> >> Adrian >> >> [   56.640000] *** ADDRESS ERROR ***   FORMAT=2 >> [   56.640000] Current process id is 728 >> [   56.640000] BAD KERNEL TRAP: 00000000 >> [   56.640000] Modules linked in: sg evdev mac_hid ip_tables x_tables >> sha1_generic hmac ipv6 nf_defrag_ipv6 autofs4 ext4 crc16 mbcache jbd2 >> crc32c_generic sd_mod t10_pi crc_t10dif crct10dif_generic >> crct10dif_common sr_mod cdrom mac_esp macsonic esp_scsi >> [   56.640000] PC: [<00016a2c>] X_UNSUPP+0x2c/0x3c >> [   56.640000] SR: 2004  SP: 3eb5e68c  a2: c02e239a >> [   56.640000] d0: 00000040    d1: 00000002    d2: 8002adec    d3: >> 8002ad50 >> [   56.640000] d4: 8002c768    d5: 0000000d    a0: ffffffc2    a1: >> ffffffc1 >> [   56.640000] Process R (pid: 728, task=a3dfda5d) >> [   56.640000] Frame format=2 instr addr=00000000 >> [   56.650000] Stack from 3a4d9f30: >> [   56.650000]         41000000 00000002 00000002 ffffffc2 ffffffc1 >> 1fff0000 80000000 00000000 >> [   56.650000]         3fbf0000 80000000 00000000 00000000 20000000 >> 00000000 7fff0000 ffffffff >> [   56.650000]         ffffffff 00000000 00050008 00000000 8000067c >> c02c2000 efffee20 000002d8 >> [   56.650000]         00002a28 3a4d9f98 00000002 00000014 fffffffe >> 8002c768 00000002 00000041 >> [   56.650000]         00000002 c041fc58 c0743758 ffffffff 00000000 >> 0008c075 00002b24 00000012 >> [   56.650000]         000007d0 00000024 00000002 c05bef04 c05bef04 >> 0000005e 00000077 c28aca70 >> [   56.650000] Call Trace: [<00050008>] copy_overflow+0x10/0x28 >> [   56.650000]  [<00002a28>] buserr+0x20/0x28 >> [   56.650000]  [<0008c075>] bpf_check+0x57f/0x1cfa >> [   56.650000]  [<00002b24>] syscall+0x8/0xc >> [   56.650000]  [<0000c019>] dn_sched_init+0x75/0x88 >> [   56.650000] Code: 1017 0200 00f0 0c00 0040 66ff 0000 05ac >> 8800 0000 0000 f23c 9000 0000 0000 222e ff84 082e 0005 ff1c 6600 000a >> 0281 >> [   56.650000] Disabling lock debugging due to kernel taint >> [   56.650000] *** ADDRESS ERROR ***   FORMAT=2 >> [   56.650000] Current process id is 7 >> [   56.650000] BAD KERNEL TRAP: 00000000 >> [   56.650000] Modules linked in: sg evdev mac_hid ip_tables x_tables >> sha1_generic hmac ipv6 nf_defrag_ipv6 autofs4 ext4 crc16 mbcache jbd2 >> crc32c_generic sd_mod t10_pi crc_t10dif crct10dif_generic >> crct10dif_common sr_mod cdrom mac_esp macsonic esp_scsi >> [   56.650000] PC: [<00016a2c>] X_UNSUPP+0x2c/0x3c >> [   56.650000] SR: 2704  SP: 5ca00d79  a2: 391686b0 >> [   56.650000] d0: 00000040    d1: 3dc64d60    d2: 0000000e    d3: >> 309a6680 >> [   56.650000] d4: fffffffc    d5: 00000000    a0: 3dc64d60    a1: >> 391686b0 >> [   56.650000] Process ksoftirqd/0 (pid: 7, task=018bf318) >> [   56.650000] Frame format=2 instr addr=00000000 >> [   56.650000] Stack from 3dc79e44: >> [   56.650000]         41000000 00000000 3dc64d60 3dc64d60 391686b0 >> 1fff0000 80000000 00000000 >> [   56.650000]         3fbf0000 80000000 00000000 00000000 20000000 >> 00000000 7fff0000 ffffffff >> [   56.650000]         ffffffff 00000000 00000000 00000000 00000004 >> 00000004 00000000 00000000 >> [   56.650000]         0003f400 00000009 003e6ce0 003e6d10 391686dc >> 003e6ce0 00414bf4 39168641 >> [   56.650000]         0004732e 391686e8 003e6d10 003e6ce0 000472e2 >> 000489a2 00042114 3dc64d8c >> [   56.650000]         391686b0 391686dc 003e6ce0 00048b82 003e6ce0 >> 391686dc 003e6ce0 3dc64d8c >> [   56.650000] Call Trace: [<0003f400>] arch_local_irq_enable+0x8/0x26 >> [   56.650000]  [<0004732e>] set_next_entity+0x4c/0xbe >> [   56.650000]  [<000472e2>] set_next_entity+0x0/0xbe >> [   56.650000]  [<000489a2>] put_prev_entity+0x0/0x68 >> [   56.650000]  [<00042114>] smpboot_thread_fn+0x0/0x100 >> [   56.650000]  [<00048b82>] pick_next_task_fair+0x14e/0x186 >> [   56.650000]  [<002ef606>] __schedule+0x25e/0x39c >> [   56.650000]  [<0003f4ca>] kthread_parkme+0x0/0x10 >> [   56.650000]  [<00042114>] smpboot_thread_fn+0x0/0x100 >> [   56.650000]  [<0003f5cc>] __init_completion+0x0/0x20 >> [   56.650000]  [<002ef3a8>] __schedule+0x0/0x39c >> [   56.650000]  [<0003f450>] kthread_should_stop+0x0/0x12 >> [   56.650000]  [<0003f5cc>] __init_completion+0x0/0x20 >> [   56.650000]  [<002ef7ae>] schedule+0x6a/0xb2 >> [   56.650000]  [<002ef744>] schedule+0x0/0xb2 >> [   56.650000]  [<0003f476>] kthread_should_park+0x0/0xc >> [   56.650000]  [<000421b8>] smpboot_thread_fn+0xa4/0x100 >> [   56.650000]  [<0002df86>] do_exit+0x0/0x720 >> [   56.650000]  [<0004bd4a>] complete+0x0/0x34 >> [   56.650000]  [<00040190>] kthread+0xb8/0xc2 >> [   56.650000]  [<000400d8>] kthread+0x0/0xc2 >> [   56.650000]  [<00002a74>] ret_from_kernel_thread+0xc/0x14 >> [   56.650000] Code: 1017 0200 00f0 0c00 0040 66ff 0000 05ac >> 8800 0000 0000 f23c 9000 0000 0000 222e ff84 082e 0005 ff1c 6600 000a >> 0281 >> [   56.670000] *** ADDRESS ERROR ***   FORMAT=2 >> [   56.670000] Current process id is 174 >> [   56.670000] BAD KERNEL TRAP: 00000000 >> [   56.670000] Modules linked in: sg evdev mac_hid ip_tables x_tables >> sha1_generic hmac ipv6 nf_defrag_ipv6 autofs4 ext4 crc16 mbcache jbd2 >> crc32c_generic sd_mod t10_pi crc_t10dif crct10dif_generic >> crct10dif_common sr_mod cdrom mac_esp macsonic esp_scsi >> [   56.670000] PC: [<00016a2c>] X_UNSUPP+0x2c/0x3c >> [   56.670000] SR: 2704  SP: 82add07d  a2: 391686b0 >> [   56.670000] d0: efd57040    d1: 3c534000    d2: 0000000e    d3: >> 31cb9380 >> [   56.670000] d4: fffffffc    d5: 00000000    a0: 3c534000    a1: >> 391686b0 >> [   56.670000] Process systemd-journal (pid: 174, task=9a58f959) >> [   56.670000] Frame format=2 instr addr=00000000 >> [   56.670000] Stack from 391c9ce4: >> [   56.670000]         41000000 efd57054 3c534000 3c534000 391686b0 >> 1fff0000 80000000 00000000 >> [   56.670000]         3fbf0000 80000000 00000000 00000000 20000000 >> 00000000 7fff0000 ffffffff >> [   56.670000]         ffffffff 00000000 04000000 00000000 00000004 >> 00000006 00000000 00000000 >> [   56.670000]         00000000 00000009 003e6ce0 003e6d10 391686dc >> 003e6ce0 00414bf4 39168641 >> [   56.670000]         0004732e 391686e8 003e6d10 003e6ce0 000472e2 >> 000489a2 000657d0 3c53402c >> [   56.670000]         391686b0 391686dc 003e6ce0 00048b82 003e6ce0 >> 391686dc 003e6ce0 3c53402c >> [   56.670000] Call Trace: [<0004732e>] set_next_entity+0x4c/0xbe >> [   56.670000]  [<000472e2>] set_next_entity+0x0/0xbe >> [   56.670000]  [<000489a2>] put_prev_entity+0x0/0x68 >> [   56.670000]  [<000657d0>] futex_wait_queue_me+0x0/0xa6 >> [   56.670000]  [<00048b82>] pick_next_task_fair+0x14e/0x186 >> [   56.670000]  [<002ef606>] __schedule+0x25e/0x39c >> [   56.670000]  [<0006535a>] futex_wait_setup+0x0/0x9c >> [   56.670000]  [<000657d0>] futex_wait_queue_me+0x0/0xa6 >> [   56.670000]  [<00064bb8>] __unqueue_futex+0x0/0x3c >> [   56.670000]  [<002ef3a8>] __schedule+0x0/0x39c >> [   56.670000]  [<002e09f0>] list_add_tail+0x1c/0x36 >> [   56.670000]  [<002ef7ae>] schedule+0x6a/0xb2 >> [   56.670000]  [<00065848>] futex_wait_queue_me+0x78/0xa6 >> [   56.670000]  [<00048b82>] pick_next_task_fair+0x14e/0x186 >> [   56.670000]  [<002ef606>] __schedule+0x25e/0x39c >> [   56.670000]  [<0006535a>] futex_wait_setup+0x0/0x9c >> [   56.670000]  [<000657d0>] futex_wait_queue_me+0x0/0xa6 >> [   56.670000]  [<00064bb8>] __unqueue_futex+0x0/0x3c >> [   56.670000]  [<002ef3a8>] __schedule+0x0/0x39c >> [   56.670000]  [<002e09f0>] list_add_tail+0x1c/0x36 >> [   56.670000]  [<002ef7ae>] schedule+0x6a/0xb2 >> [   56.670000]  [<00065848>] futex_wait_queue_me+0x78/0xa6 >> [   56.670000]  [<00065904>] futex_wait+0x8e/0x150 >> [   56.670000]  [<0004fe94>] arch_local_irq_enable+0x0/0x26 >> [   56.670000]  [<00066b00>] do_futex+0x94/0x6ee >> [   56.670000]  [<0000c041>] dn_serial_console_wait_key+0x15/0x24 >> [   56.670000]  [<0005bef6>] timekeeping_get_ns+0x4e/0x58 >> [   56.670000]  [<0000c041>] dn_serial_console_wait_key+0x15/0x24 >> [   56.670000]  [<0006737c>] sys_futex_time32+0x106/0x11e >> [   56.670000]  [<00002b24>] syscall+0x8/0xc >> [   56.670000]  [<0010c06b>] __blkdev_get+0x3f/0x3ce >> [   56.670000] Code: 1017 0200 00f0 0c00 0040 66ff 0000 05ac >> 8800 0000 0000 f23c 9000 0000 0000 222e ff84 082e 0005 ff1c 6600 000a >> 0281 >> [   56.670000] kernel BUG at kernel/sched/core.c:4097! >> [   56.670000] *** TRAP #7 ***   FORMAT=0 >> [   56.670000] Current process id is 174 >> [   56.670000] BAD KERNEL TRAP: 00000000 >> [   56.670000] Modules linked in: sg evdev mac_hid ip_tables x_tables >> sha1_generic hmac ipv6 nf_defrag_ipv6 autofs4 ext4 crc16 mbcache jbd2 >> crc32c_generic sd_mod t10_pi crc_t10dif crct10dif_generic >> crct10dif_common sr_mod cdrom mac_esp macsonic esp_scsi >> [   56.670000] PC: [<0004518c>] rt_mutex_setprio+0x0/0x1ae >> [   56.670000] SR: 2000  SP: 249d2574  a2: 3c534000 >> [   56.680000] d0: 00000027    d1: 00002000    d2: 391c9c4c    d3: >> 391c9c4c >> [   56.680000] d4: 0002d374    d5: 00000000    a0: 003e7b54    a1: >> 5000c022 >> [   56.680000] Process systemd-journal (pid: 174, task=9a58f959) >> [   56.680000] Frame format=0 >> [   56.680000] Stack from 391c9c0c: >> [   56.680000]         00378004 0037e061 00001001 00000000 391c9c54 >> 0002e658 00000000 000000c0 >> [   56.680000]         fffffffc 00000000 00000000 391c9ea8 391c9cac >> 000525b6 3c53434c 3c4cd21c >> [   56.680000]         391c9c4c 391c9c4c 391c9da8 00005486 0000000b >> 00000007 00000001 00378dc5 >> [   56.680000]         0037906c 00379166 00000000 391c9cac 00005ee6 >> 00379166 391c9cac 00000000 >> [   56.680000]         0037914a 000000ae 0000000e 31cb9380 3c534000 >> 003e6cd0 00002a50 391c9cac >> [   56.680000]         3c534000 0000000e 31cb9380 fffffffc 00000000 >> 3c534000 391686b0 391686b0 >> [   56.680000] Call Trace: [<00001001>] kernel_pg_dir+0x1/0x1000 >> [   56.680000]  [<0002e658>] do_exit+0x6d2/0x720 >> [   56.680000]  [<000525b6>] printk+0x0/0x18 >> [   56.680000]  [<00005486>] die_if_kernel+0x52/0x56 >> [   56.680000]  [<00005ee6>] bad_super_trap+0x130/0x14e >> [   56.680000]  [<00002a50>] trap+0x20/0x28 >> [   56.680000]  [<0004732e>] set_next_entity+0x4c/0xbe >> [   56.680000]  [<000472e2>] set_next_entity+0x0/0xbe >> [   56.680000]  [<000489a2>] put_prev_entity+0x0/0x68 >> [   56.680000]  [<000657d0>] futex_wait_queue_me+0x0/0xa6 >> [   56.680000]  [<00048b82>] pick_next_task_fair+0x14e/0x186 >> [   56.680000]  [<002ef606>] __schedule+0x25e/0x39c >> [   56.680000]  [<0006535a>] futex_wait_setup+0x0/0x9c >> [   56.680000]  [<000657d0>] futex_wait_queue_me+0x0/0xa6 >> [   56.680000]  [<00064bb8>] __unqueue_futex+0x0/0x3c >> [   56.680000]  [<002ef3a8>] __schedule+0x0/0x39c >> [   56.680000]  [<002e09f0>] list_add_tail+0x1c/0x36 >> [   56.680000]  [<002ef7ae>] schedule+0x6a/0xb2 >> [   56.680000]  [<00065848>] futex_wait_queue_me+0x78/0xa6 >> [   56.680000]  [<00065904>] futex_wait+0x8e/0x150 >> [   56.680000]  [<0004fe94>] arch_local_irq_enable+0x0/0x26 >> [   56.680000]  [<00066b00>] do_futex+0x94/0x6ee >> [   56.680000]  [<0000c041>] dn_serial_console_wait_key+0x15/0x24 >> [   56.680000]  [<0005bef6>] timekeeping_get_ns+0x4e/0x58 >> [   56.680000]  [<0000c041>] dn_serial_console_wait_key+0x15/0x24 >> [   56.680000]  [<0006737c>] sys_futex_time32+0x106/0x11e >> [   56.680000]  [<00002b24>] syscall+0x8/0xc >> [   56.680000]  [<0010c06b>] __blkdev_get+0x3f/0x3ce >> [   56.680000] Code: e061 4879 0037 8004 4eb9 0005 25b6 4e47 <4e56> >> fff8 48e7 3f1c 266e 0008 2a6e 000c 242b 0020 4a8d 670a 202d 0018 b082 >> 6c02 >> [   56.680000] Fixing recursive fault but reboot is needed! >> [   56.690000] *** ADDRESS ERROR ***   FORMAT=2 >> [   56.690000] Current process id is 343 >> [   56.690000] BAD KERNEL TRAP: 00000000 >> [   56.690000] Modules linked in: sg evdev mac_hid ip_tables x_tables >> sha1_generic hmac ipv6 nf_defrag_ipv6 autofs4 ext4 crc16 mbcache jbd2 >> crc32c_generic sd_mod t10_pi crc_t10dif crct10dif_generic >> crct10dif_common sr_mod cdrom mac_esp macsonic esp_scsi >> [   56.690000] PC: [<00016a2c>] X_UNSUPP+0x2c/0x3c >> >