| Message ID | 20200529134730.146573-1-hare@suse.de (mailing list archive) |
|---|---|
| Headers | show |
| Series | scsi: use xarray for devices and targets | expand |
On 2020-05-29 9:47 a.m., Hannes Reinecke wrote: > Hi all, > > based on the ideas from Doug Gilbert here's now my take on using > xarrays for devices and targets. > It revolves around two ideas: > > - The scsi target 'channel' and 'id' numbers are never ever used > to the full 32 bit range; channels are well below 10, and no > driver is using more than 16 bits for the id. So we can reduce > the type of 'channel' and 'id' to 16 bits, and use the 32 bit > value 'channel << 16 | id' as the index into the target xarray. > - Most SCSI targets are only using the first 32 bits of the 64 bit > LUN structure. So there we can use the LUN number as the index into > the xarray; larger LUN numbers won't fit, so we'll allocate a > separate index for those. For these device lookup won't be as > efficient, but one can argue that we're running into scalability > issues long before that. > > With these changes we can implement an efficient lookup mechanism, > devolving into direct lookup for most cases. > And iteration over devices should be as efficient as the current, > list-based, approach. > > It also removes the current duality between host-based and > target-based device lists; now all devices are listed per target, > and a full iteration would need to iterate first over all targets > and then over all devices per target. > > As usual, comments and reviews are welcome > > Changes to v1: > - Fixup __scsi_iterate_devices() > - Include reviews from Johannes > - Minor fixes > - Include comments from Doug > > Changes to v2: > - Reshuffle hunks as per suggestion from Johannes > > Changes to v3: > - Use GFP_ATOMIC instead of GFP_KERNEL > - Fixup target iteration as reported by Doug Gilbert > - Update scsi_error to make use of the new iterators > > Hannes Reinecke (5): > scsi: convert target lookup to xarray > target_core_pscsi: use __scsi_device_lookup() > scsi: move target device list to xarray > scsi: remove direct device lookup per host > scsi_error: use xarray lookup instead of wrappers > > drivers/scsi/hosts.c | 4 +- > drivers/scsi/scsi.c | 151 +++++++++++++++++++++++++++++-------- > drivers/scsi/scsi_error.c | 35 +++++---- > drivers/scsi/scsi_lib.c | 9 +-- > drivers/scsi/scsi_priv.h | 2 + > drivers/scsi/scsi_scan.c | 73 +++++++++--------- > drivers/scsi/scsi_sysfs.c | 48 ++++++++---- > drivers/target/target_core_pscsi.c | 8 +- > include/scsi/scsi_device.h | 32 +++++--- > include/scsi/scsi_host.h | 5 +- > 10 files changed, 243 insertions(+), 124 deletions(-) > Hannes, I'm pretty sure this one was happening yesterday, around about the same number of sdev_s (i.e. sg791). The missing 0:0:1:0, 0:0:2:0, etc distracted me. That is now fixed. See attached. It was executing an rmmod at the time in the tst_sdebug_modpr_rmmod.sh script. Just checked my logs from yesterday. It blew up at the same spot in the code (but after /dev/sg971): ... 2020-05-28T20:44:31.543998-04:00 xtwo70 kernel: scsi 11:0:8:8: Attached scsi generic sg969 type 9 2020-05-28T20:44:31.545999-04:00 xtwo70 kernel: scsi 11:0:8:9: Attached scsi generic sg970 type 9 2020-05-28T20:44:31.558008-04:00 xtwo70 kernel: scsi 11:0:8:10: Attached scsi generic sg971 type 9 2020-05-28T20:44:45.660126-04:00 xtwo70 kernel: [UFW BLOCK] IN=enp0s31f6 OUT= MAC=54:e1:ad:36:d8:55:00:15:99:30:1d:2b:08:00 SRC=192.168.48.94 DST=192.168.48.23 LEN=224 TOS=0x00 PREC=0x00 TTL=64 ID=34650 PROTO=UDP SPT=161 DPT=48409 LEN=204 2020-05-28T20:44:45.692021-04:00 xtwo70 kernel: [UFW BLOCK] IN=enp0s31f6 OUT= MAC=54:e1:ad:36:d8:55:00:15:99:e9:97:99:08:00 SRC=192.168.48.55 DST=192.168.48.23 LEN=258 TOS=0x00 PREC=0x00 TTL=64 ID=60034 PROTO=UDP SPT=161 DPT=48409 LEN=238 2020-05-28T20:44:46.660191-04:00 xtwo70 kernel: [UFW BLOCK] IN=enp0s31f6 OUT= MAC=54:e1:ad:36:d8:55:00:15:99:e9:97:99:08:00 SRC=192.168.48.55 DST=192.168.48.23 LEN=258 TOS=0x00 PREC=0x00 TTL=64 ID=60290 PROTO=UDP SPT=161 DPT=48409 LEN=238 2020-05-28T20:44:46.660273-04:00 xtwo70 kernel: [UFW BLOCK] IN=enp0s31f6 OUT= MAC=54:e1:ad:36:d8:55:00:15:99:30:1d:2b:08:00 SRC=192.168.48.94 DST=192.168.48.23 LEN=224 TOS=0x00 PREC=0x00 TTL=64 ID=34651 PROTO=UDP SPT=161 DPT=48409 LEN=204 2020-05-28T20:46:46.306581-04:00 xtwo70 systemd-resolved[1953]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. 2020-05-28T20:47:05.776485-04:00 xtwo70 kernel: BUG: unable to handle page fault for address: ffff8881327c6868 2020-05-28T20:47:05.776504-04:00 xtwo70 kernel: #PF: supervisor read access in kernel mode 2020-05-28T20:47:05.776506-04:00 xtwo70 kernel: #PF: error_code(0x0000) - not-present page 2020-05-28T20:47:05.776507-04:00 xtwo70 kernel: PGD 3c01067 P4D 3c01067 PUD 22f031067 PMD 22ee9d067 PTE 800ffffecd839060 2020-05-28T20:47:05.776509-04:00 xtwo70 kernel: Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC PTI 2020-05-28T20:47:05.776510-04:00 xtwo70 kernel: CPU: 2 PID: 4647 Comm: rmmod Not tainted 5.7.0-rc1+ #74 2020-05-28T20:47:05.776511-04:00 xtwo70 kernel: Hardware name: LENOVO 20K5S27Q02/20K5S27Q02, BIOS R0IET60W (1.38 ) 12/19/2019 2020-05-28T20:47:05.776512-04:00 xtwo70 kernel: RIP: 0010:xas_start+0x2a/0x1c0 2020-05-28T20:47:05.776513-04:00 xtwo70 kernel: Code: 41 55 41 54 55 53 48 8b 47 18 48 89 fb 48 89 c2 83 e2 03 0f 84 8d 00 00 00 48 3d 05 c0 ff ff 76 06 48 83 fa 02 74 50 4c 8b 2b <49> 8b 6d 50 e8 fd 2f c2 ff 85 c0 49 89 ec 74 0d 80 3d ef f0 e4 00 2020-05-28T20:47:05.776514-04:00 xtwo70 kernel: RSP: 0000:ffffc900005bbc90 EFLAGS: 00010013 2020-05-28T20:47:05.776514-04:00 xtwo70 kernel: RAX: 0000000000000003 RBX: ffffc900005bbd00 RCX: 00000000ceb8764a 2020-05-28T20:47:05.776515-04:00 xtwo70 kernel: RDX: 0000000000000003 RSI: ffffffffffffffff RDI: ffffc900005bbd00 2020-05-28T20:47:05.776516-04:00 xtwo70 kernel: RBP: ffffc900005bbd00 R08: 000000008830cd27 R09: 0000000000000001 2020-05-28T20:47:05.776517-04:00 xtwo70 kernel: R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000003 2020-05-28T20:47:05.776518-04:00 xtwo70 kernel: R13: ffff8881327c6818 R14: 0000000000000040 R15: ffff88814020f020 2020-05-28T20:47:05.776519-04:00 xtwo70 kernel: FS: 00007f1361c6f540(0000) GS:ffff888226000000(0000) knlGS:0000000000000000 2020-05-28T20:47:05.776520-04:00 xtwo70 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2020-05-28T20:47:05.776521-04:00 xtwo70 kernel: CR2: ffff8881327c6868 CR3: 000000012f48e003 CR4: 00000000003606e0 2020-05-28T20:47:05.776522-04:00 xtwo70 kernel: Call Trace: 2020-05-28T20:47:05.776523-04:00 xtwo70 kernel: xas_load+0xa/0x50 2020-05-28T20:47:05.776524-04:00 xtwo70 kernel: xas_find+0x274/0x2c0 2020-05-28T20:47:05.776525-04:00 xtwo70 kernel: xa_find_after+0x163/0x1f0 2020-05-28T20:47:05.776526-04:00 xtwo70 kernel: scsi_forget_host+0xd2/0x129 2020-05-28T20:47:05.776527-04:00 xtwo70 kernel: scsi_remove_host+0x78/0x120 2020-05-28T20:47:05.776528-04:00 xtwo70 kernel: sdebug_driver_remove+0x3b/0x90 [scsi_debug] 2020-05-28T20:47:05.776528-04:00 xtwo70 kernel: device_release_driver_internal+0xdf/0x1c0 2020-05-28T20:47:05.776529-04:00 xtwo70 kernel: bus_remove_device+0xe4/0x120 2020-05-28T20:47:05.776530-04:00 xtwo70 kernel: device_del+0x174/0x3c0 2020-05-28T20:47:05.776531-04:00 xtwo70 kernel: device_unregister+0x9/0x20 2020-05-28T20:47:05.776532-04:00 xtwo70 kernel: sdebug_do_remove_host+0xc0/0xe0 [scsi_debug] 2020-05-28T20:47:05.776533-04:00 xtwo70 kernel: scsi_debug_exit+0x21/0xc5b [scsi_debug] 2020-05-28T20:47:05.776534-04:00 xtwo70 kernel: __x64_sys_delete_module+0x18f/0x230 2020-05-28T20:47:05.776535-04:00 xtwo70 kernel: ? lockdep_hardirqs_off+0x79/0xd0 2020-05-28T20:47:05.776537-04:00 xtwo70 kernel: ? trace_hardirqs_off_thunk+0x1a/0x1c 2020-05-28T20:47:05.776538-04:00 xtwo70 kernel: do_syscall_64+0x4b/0x1c0 2020-05-28T20:47:05.776539-04:00 xtwo70 kernel: entry_SYSCALL_64_after_hw 2020-05-29T16:26:17.670996-04:00 xtwo70 kernel: scsi 11:0:5:10: Attached scsi generic sg791 type 9 2020-05-29T16:26:17.785102-04:00 xtwo70 kernel: scsi 0:0:0:0: Power-on or device reset occurred 2020-05-29T16:26:17.797144-04:00 xtwo70 kernel: scsi 0:0:0:1: Power-on or device reset occurred 2020-05-29T16:26:18.277606-04:00 xtwo70 kernel: BUG: unable to handle page fault for address: ffff88815c206868 2020-05-29T16:26:18.277633-04:00 xtwo70 kernel: #PF: supervisor read access in kernel mode 2020-05-29T16:26:18.277635-04:00 xtwo70 kernel: #PF: error_code(0x0000) - not-present page 2020-05-29T16:26:18.277640-04:00 xtwo70 kernel: PGD 3c01067 P4D 3c01067 PUD 22ee30067 PMD 22ed4e067 PTE 800ffffea3df9060 2020-05-29T16:26:18.277655-04:00 xtwo70 kernel: Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC PTI 2020-05-29T16:26:18.277671-04:00 xtwo70 kernel: CPU: 0 PID: 6742 Comm: rmmod Not tainted 5.7.0-rc1+ #75 2020-05-29T16:26:18.277672-04:00 xtwo70 kernel: Hardware name: LENOVO 20K5S27Q02/20K5S27Q02, BIOS R0IET61W (1.39 ) 04/20/2020 2020-05-29T16:26:18.277673-04:00 xtwo70 kernel: RIP: 0010:xas_start+0x2a/0x1c0 2020-05-29T16:26:18.277674-04:00 xtwo70 kernel: Code: 41 55 41 54 55 53 48 8b 47 18 48 89 fb 48 89 c2 83 e2 03 0f 84 8d 00 00 00 48 3d 05 c0 ff ff 76 06 48 83 fa 02 74 50 4c 8b 2b <49> 8b 6d 50 e8 fd 2f c2 ff 85 c0 49 89 ec 74 0d 80 3d ef f0 e4 00 2020-05-29T16:26:18.277675-04:00 xtwo70 kernel: RSP: 0018:ffffc900019dfc90 EFLAGS: 00010013 2020-05-29T16:26:18.277676-04:00 xtwo70 kernel: RAX: 0000000000000003 RBX: ffffc900019dfd00 RCX: 000000004a27657b 2020-05-29T16:26:18.277676-04:00 xtwo70 kernel: RDX: 0000000000000003 RSI: ffffffffffffffff RDI: ffffc900019dfd00 2020-05-29T16:26:18.277677-04:00 xtwo70 kernel: RBP: ffffc900019dfd00 R08: 000000001877b6b6 R09: 0000000000000001 2020-05-29T16:26:18.277679-04:00 xtwo70 kernel: R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000003 2020-05-29T16:26:18.277679-04:00 xtwo70 kernel: R13: ffff88815c206818 R14: 0000000000000040 R15: ffff88815af54020 2020-05-29T16:26:18.277680-04:00 xtwo70 kernel: FS: 00007fbfbb58b540(0000) GS:ffff888225800000(0000) knlGS:0000000000000000 2020-05-29T16:26:18.277681-04:00 xtwo70 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2020-05-29T16:26:18.277681-04:00 xtwo70 kernel: CR2: ffff88815c206868 CR3: 0000000141a5a006 CR4: 00000000003606f0 2020-05-29T16:26:18.277682-04:00 xtwo70 kernel: Call Trace: 2020-05-29T16:26:18.277683-04:00 xtwo70 kernel: xas_load+0xa/0x50 2020-05-29T16:26:18.277683-04:00 xtwo70 kernel: xas_find+0x274/0x2c0 2020-05-29T16:26:18.277684-04:00 xtwo70 kernel: xa_find_after+0x163/0x1f0 2020-05-29T16:26:18.277689-04:00 xtwo70 kernel: scsi_forget_host+0xd2/0x129 2020-05-29T16:26:18.277690-04:00 xtwo70 kernel: scsi_remove_host+0x79/0x120 2020-05-29T16:26:18.277693-04:00 xtwo70 kernel: sdebug_driver_remove+0x3b/0xa0 [scsi_debug] 2020-05-29T16:26:18.277694-04:00 xtwo70 kernel: device_release_driver_internal+0xdf/0x1c0 2020-05-29T16:26:18.277696-04:00 xtwo70 kernel: bus_remove_device+0xe4/0x120 2020-05-29T16:26:18.277697-04:00 xtwo70 kernel: device_del+0x174/0x3c0 2020-05-29T16:26:18.277700-04:00 xtwo70 kernel: device_unregister+0x9/0x20 2020-05-29T16:26:18.277700-04:00 xtwo70 kernel: sdebug_do_remove_host+0xc0/0xe0 [scsi_debug] 2020-05-29T16:26:18.277701-04:00 xtwo70 kernel: scsi_debug_exit+0x21/0xa87 [scsi_debug] 2020-05-29T16:26:18.277706-04:00 xtwo70 kernel: __x64_sys_delete_module+0x18f/0x230 2020-05-29T16:26:18.277712-04:00 xtwo70 kernel: ? lockdep_hardirqs_off+0x79/0xd0 2020-05-29T16:26:18.277715-04:00 xtwo70 kernel: ? trace_hardirqs_off_thunk+0x1a/0x1c 2020-05-29T16:26:18.277721-04:00 xtwo70 kernel: do_syscall_64+0x4b/0x1c0 2020-05-29T16:26:18.277725-04:00 xtwo70 kernel: entry_SYSCALL_64_after_hwframe+0x49/0xb3 2020-05-29T16:26:18.277728-04:00 xtwo70 kernel: RIP: 0033:0x7fbfbb6d7a3b 2020-05-29T16:26:18.277732-04:00 xtwo70 kernel: Code: 73 01 c3 48 8b 0d 55 84 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 25 84 0c 00 f7 d8 64 89 01 48 2020-05-29T16:26:18.277735-04:00 xtwo70 kernel: RSP: 002b:00007ffde231d9f8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 2020-05-29T16:26:18.277736-04:00 xtwo70 kernel: RAX: ffffffffffffffda RBX: 0000559b8e31f750 RCX: 00007fbfbb6d7a3b 2020-05-29T16:26:18.277736-04:00 xtwo70 kernel: RDX: 000000000000000a RSI: 0000000000000800 RDI: 0000559b8e31f7b8 2020-05-29T16:26:18.277765-04:00 xtwo70 kernel: RBP: 00007ffde231da58 R08: 0000000000000000 R09: 0000000000000000 2020-05-29T16:26:18.277766-04:00 xtwo70 kernel: R10: 00007fbfbb753ac0 R11: 0000000000000206 R12: 00007ffde231dc30 2020-05-29T16:26:18.277767-04:00 xtwo70 kernel: R13: 00007ffde231e8b0 R14: 0000559b8e31f2a0 R15: 0000559b8e31f750 2020-05-29T16:26:18.277767-04:00 xtwo70 kernel: Modules linked in: scsi_debug(-) sg netconsole configfs rfcomm hid_generic hidp hid fuse intel_rapl_msr cmac af_alg bnep iwlmvm intel_rapl_common mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic libarc4 iwlwifi kvm snd_seq_dummy snd_seq_oss i915 snd_seq_midi snd_rawmidi snd_seq_midi_event irqbypass crct10dif_pclmul snd_seq ghash_clmulni_intel snd_hda_intel cfg80211 aesni_intel efi_pstore snd_intel_dspcfg crypto_simd snd_hda_codec snd_hwdep snd_hda_core btusb btrtl cryptd btbcm btintel bluetooth glue_helper nls_iso8859_1 nls_cp437 vfat intel_cstate fat drm_kms_helper intel_uncore ti_usb_3410_5052 mei_me usbserial snd_pcm mmc_block input_leds joydev intel_rapl_perf thinkpad_acpi mousedev mei ecdh_generic serio_raw syscopyarea ecc efivars nvram sysfillrect snd_seq_device ledtrig_audio sysimgblt fb_sys_fops snd_timer intel_gtt intel_xhci_usb_role_switch i2c_algo_bit roles intel_pch_thermal snd soundcore 2020-05-29T16:26:18.277769-04:00 xtwo70 kernel: rfkill evdev video mac_hid nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c drm ip6table_filter ip6_tables parport_pc ppdev iptable_filter lp parport drm_panel_orientation_quirks agpgart efivarfs ip_tables x_tables autofs4 rtsx_pci_sdmmc mmc_core xhci_pci xhci_hcd usbcore e1000e nvme i2c_i801 intel_lpss_pci nvme_core intel_lpss rtsx_pci idma64 crc32_pclmul virt_dma usb_common [last unloaded: scsi_debug] 2020-05-29T16:26:18.277770-04:00 xtwo70 kernel: CR2: ffff88815c206868 2020-05-29T16:26:18.277770-04:00 xtwo70 kernel: ---[ end trace e67629a806869a64 ]--- 2020-05-29T16:26:18.277771-04:00 xtwo70 kernel: RIP: 0010:xas_start+0x2a/0x1c0 2020-05-29T16:26:18.277771-04:00 xtwo70 kernel: Code: 41 55 41 54 55 53 48 8b 47 18 48 89 fb 48 89 c2 83 e2 03 0f 84 8d 00 00 00 48 3d 05 c0 ff ff 76 06 48 83 fa 02 74 50 4c 8b 2b <49> 8b 6d 50 e8 fd 2f c2 ff 85 c0 49 89 ec 74 0d 80 3d ef f0 e4 00 2020-05-29T16:26:18.277772-04:00 xtwo70 kernel: RSP: 0018:ffffc900019dfc90 EFLAGS: 00010013 2020-05-29T16:26:18.277772-04:00 xtwo70 kernel: RAX: 0000000000000003 RBX: ffffc900019dfd00 RCX: 000000004a27657b 2020-05-29T16:26:18.277773-04:00 xtwo70 kernel: RDX: 0000000000000003 RSI: ffffffffffffffff RDI: ffffc900019dfd00 2020-05-29T16:26:18.277774-04:00 xtwo70 kernel: RBP: ffffc900019dfd00 R08: 000000001877b6b6 R09: 0000000000000001 2020-05-29T16:26:18.277774-04:00 xtwo70 kernel: R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000003 2020-05-29T16:26:18.277775-04:00 xtwo70 kernel: R13: ffff88815c206818 R14: 0000000000000040 R15: ffff88815af54020 2020-05-29T16:26:18.277775-04:00 xtwo70 kernel: FS: 00007fbfbb58b540(0000) GS:ffff888225800000(0000) knlGS:0000000000000000 2020-05-29T16:26:18.277776-04:00 xtwo70 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2020-05-29T16:26:18.277777-04:00 xtwo70 kernel: CR2: ffff88815c206868 CR3: 0000000141a5a006 CR4: 00000000003606f0 2020-05-29T16:26:18.277777-04:00 xtwo70 kernel: BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 2020-05-29T16:26:18.277778-04:00 xtwo70 kernel: in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 6742, name: rmmod 2020-05-29T16:26:18.277778-04:00 xtwo70 kernel: INFO: lockdep is turned off. 2020-05-29T16:26:18.277779-04:00 xtwo70 kernel: irq event stamp: 311538 2020-05-29T16:26:18.277780-04:00 xtwo70 kernel: hardirqs last enabled at (311537): [<ffffffff8125d2d0>] kfree+0x1b0/0x310 2020-05-29T16:26:18.277780-04:00 xtwo70 kernel: hardirqs last disabled at (311538): [<ffffffff818b8be1>] _raw_spin_lock_irqsave+0x11/0x80 2020-05-29T16:26:18.277781-04:00 xtwo70 kernel: softirqs last enabled at (310482): [<ffffffff81c0039d>] __do_softirq+0x39d/0x4a4 2020-05-29T16:26:18.277782-04:00 xtwo70 kernel: softirqs last disabled at (310473): [<ffffffff8106e7e7>] irq_exit+0xb7/0xd0 2020-05-29T16:26:18.277782-04:00 xtwo70 kernel: Preemption disabled at: 2020-05-29T16:26:18.277783-04:00 xtwo70 kernel: [<0000000000000000>] 0x0 2020-05-29T16:26:18.277784-04:00 xtwo70 kernel: CPU: 0 PID: 6742 Comm: rmmod Tainted: G D 5.7.0-rc1+ #75 2020-05-29T16:26:18.277784-04:00 xtwo70 kernel: Hardware name: LENOVO 20K5S27Q02/20K5S27Q02, BIOS R0IET61W (1.39 ) 04/20/2020 2020-05-29T16:26:18.277785-04:00 xtwo70 kernel: Call Trace: 2020-05-29T16:26:18.277785-04:00 xtwo70 kernel: dump_stack+0x71/0xa0 2020-05-29T16:26:18.277786-04:00 xtwo70 kernel: ___might_sleep.cold+0xf7/0x10b 2020-05-29T16:26:18.277787-04:00 xtwo70 kernel: exit_signals+0x2b/0x390 2020-05-29T16:26:18.277787-04:00 xtwo70 kernel: do_exit+0xaf/0xb80 2020-05-29T16:26:18.277788-04:00 xtwo70 kernel: ? trace_hardirqs_off_thunk+0x1a/0x1c 2020-05-29T16:26:18.277789-04:00 xtwo70 kernel: rewind_stack_do_exit+0x17/0x20 2020-05-29T16:26:18.277789-04:00 xtwo70 kernel: note: rmmod[6742] exited with preempt_count 1 2020-05-29T16:26:22.525103-04:00 xtwo70 kernel: systemd[1]: systemd-journald-dev-log.socket: Failed to queue service startup job (Maybe the service file is missing or not a non-template unit?): Unit systemd-journald.service is masked. 2020-05-29T16:26:22.526520-04:00 xtwo70 kernel: systemd[1]: systemd-journald-dev-log.socket: Failed with result 'resources'. 2020-05-29T16:26:22.533056-04:00 xtwo70 kernel: systemd[1]: packagekit.service: Succeeded.