Also happens to me very regularly with 32-bit ubuntu 17.10 on an AMD machine (AMD Turion(tm) II Neo N40L Dual-Core Processor) Has been happening from 4.13.0-16-generic 4.13.0-22-generic [ 28.415201] BUG: unable to handle kernel paging request at 00001004 [ 28.415289] IP: bio_uncopy_user+0xc3/0x140 [ 28.415331] *pdpt = 0000000030cf3001 *pde = 0000000000000000 [ 28.415409] Oops: 0000 [#1] SMP [ 28.415444] Modules linked in: binfmt_misc ipmi_si amd64_edac_mod edac_mce_amd kvm_amd input_leds ipmi_devintf kvm ipmi_msghandler irqbypass k10temp i2c_piix4 tpm_infineon shpchp mac_hid nfsd ib_iser auth_rpcgss rdma_cm nfs_acl lockd grace iw_cm sunrpc ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi lp parport ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1 pata_acpi hid_generic usbhid hid radeon i2c_algo_bit ttm drm_kms_helper tg3 syscopyarea sysfillrect ptp sysimgblt fb_sys_fops drm ahci pps_core pata_atiixp libahci [ 28.415963] CPU: 1 PID: 1479 Comm: probing-thread Not tainted 4.13.0-22-generic #25-Ubuntu [ 28.416039] Hardware name: HP ProLiant MicroServer, BIOS O41 07/29/2011 [ 28.416100] task: f3683a80 task.stack: f0996000 [ 28.416147] EIP: bio_uncopy_user+0xc3/0x140 [ 28.416187] EFLAGS: 00210246 CPU: 1 [ 28.416223] EAX: f3683a80 EBX: f0cf89c0 ECX: 00001000 EDX: 80150004 [ 28.416279] ESI: 00000000 EDI: 00000000 EBP: f0997d3c ESP: f0997d0c [ 28.416335] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 28.416385] CR0: 80050033 CR2: 00001004 CR3: 309e3800 CR4: 000006f0 [ 28.416440] Call Trace: [ 28.416478] ? mempool_free_slab+0x13/0x20 [ 28.416521] ? mempool_free+0x28/0x80 [ 28.416561] __blk_rq_unmap_user+0x17/0x40 [ 28.416603] blk_rq_unmap_user+0x27/0x60 [ 28.416645] sg_io+0x23e/0x3e0 [ 28.416682] scsi_cmd_ioctl+0x26a/0x3f0 [ 28.416726] ? terminate_walk+0x95/0x100 [ 28.416769] ? ata_sas_scsi_ioctl+0x270/0x270 [ 28.416812] ? ata_scsi_ioctl+0x1d/0x30 [ 28.416852] scsi_cmd_blk_ioctl+0x30/0x40 [ 28.416895] sd_ioctl+0xa9/0x1a0 [ 28.416932] ? scsi_disk_put+0x40/0x40 [ 28.416973] blkdev_ioctl+0x90e/0xa70 [ 28.417013] ? do_filp_open+0x7f/0xd0 [ 28.417055] block_ioctl+0x34/0x40 [ 28.417092] ? block_ioctl+0x34/0x40 [ 28.417130] ? blkdev_fallocate+0x230/0x230 [ 28.417172] do_vfs_ioctl+0x90/0x670 [ 28.417211] ? putname+0x4f/0x60 [ 28.419333] ? putname+0x4f/0x60 [ 28.421399] ? putname+0x4f/0x60 [ 28.423400] ? do_sys_open+0x139/0x2b0 [ 28.425375] SyS_ioctl+0x58/0x70 [ 28.427310] do_fast_syscall_32+0x71/0x150 [ 28.429240] entry_SYSENTER_32+0x4e/0x7c [ 28.431121] EIP: 0xb7f8fcf9 [ 28.432937] EFLAGS: 00000296 CPU: 1 [ 28.434737] EAX: ffffffda EBX: 00000010 ECX: 00002285 EDX: b57fefec [ 28.436548] ESI: b57ff15c EDI: b57ff02c EBP: b57ff16c ESP: b57fefa8 [ 28.438367] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 28.440195] Code: f0 65 33 0d 14 00 00 00 8b 45 d4 0f 85 8f 00 00 00 8d 65 f4 5b 5e 5f 5d c3 8d b4 26 00 00 00 00 8b 4d d0 66 83 7b 54 00 8b 73 5c <8b> 41 04 89 45 d8 8b 41 08 89 45 dc 8b 41 0c 89 45 e0 8b 41 10 [ 28.444196] EIP: bio_uncopy_user+0xc3/0x140 SS:ESP: 0068:f0997d0c [ 28.446143] CR2: 0000000000001004 [ 28.448118] ---[ end trace c1e5e5acba0456b9 ]---