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cdywan wrote:

Worker instances seem to be working again

Somehow openqaworker-arm-1:11 to openqaworker-arm-1:20 are in fact offline, not seen for 7 months. I guess this might be expected? Should these be pruned from the web UI? Or reinstated?

openqaworker-arm-2 is down, many aarch64 jobs are waiting.

Serial console on openqaworker-arm-2

[66892.118949] usb 1-1.3: new high-speed USB device number 4 using xhci_hcd
[66892.329874] usb 1-1.3: New USB device found, idVendor=0624, idProduct=0251, bcdDevice= 0.00
[66892.340863] usb 1-1.3: New USB device strings: Mfr=4, Product=5, SerialNumber=6
[66892.350807] usb 1-1.3: Product: Mass Storage Function
[66892.358703] usb 1-1.3: Manufacturer: Avocent
[66892.365819] usb 1-1.3: SerialNumber: 20120731-1
[66892.470479] ------------[ cut here ]------------
[66892.477962] coherent pool not initialised!
[66892.485012] WARNING: CPU: 0 PID: 5 at kernel/dma/remap.c:190 dma_alloc_from_pool+0xa4/0xb0
[66892.496233] Modules linked in: btrfs blake2b_generic libcrc32c xor xor_neon hid_generic usbhid nicvf cavium_ptp ast i2c_algo_bit drm_vram_helper drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec rc_core drm nvme gpio_keys nvme_core raid6_pq nicpf xhci_pci xhci_hcd usbcore thunderx_mmc mmc_core thunder_bgx thunder_xcv i2c_thunderx mdio_thunder mdio_cavium sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua efivarfs
[66892.549095] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G        W         5.7.12-1.g9c98feb-default #1 openSUSE Tumbleweed (unreleased)
[66892.567733] Hardware name: GIGABYTE R270-T64-00/MT60-SC4-00, BIOS T32 03/03/2017
[66892.578764] Workqueue: usb_hub_wq hub_event [usbcore]
[66892.587284] pstate: 40000005 (nZcv daif -PAN -UAO)
[66892.595566] pc : dma_alloc_from_pool+0xa4/0xb0
[66892.603524] lr : dma_alloc_from_pool+0xa4/0xb0
[66892.611474] sp : ffff800010073510
[66892.618290] x29: ffff800010073510 x28: 0000000000000002 
[66892.627119] x27: 0000000000000001 x26: ffff0000f62b9000 
[66892.635941] x25: 0000000000000000 x24: ffff8000101adaf8 
[66892.644753] x23: ffff0000fb9970b0 x22: 0000000000001000 
[66892.653489] x21: ffff80001128a000 x20: ffff0000ff9c0000 
[66892.662133] x19: 0000000000000000 x18: 0000000000000030 
[66892.670695] x17: 0000000000000000 x16: 0000000000000000 
[66892.679151] x15: ffff0000ff9c0550 x14: 0000000000000001 
[66892.687535] x13: 0000000000000020 x12: ffff0000f6af9010 
[66892.695863] x11: 0000000000000008 x10: 00000000000007ed 
[66892.704143] x9 : ffff80001028300c x8 : 0000000000000001 
[66892.712343] x7 : 0000000000000000 x6 : 0000000000000000 
[66892.720449] x5 : 0000000000000000 x4 : ffff0000ffd34310 
[66892.728501] x3 : ffff0000ffd444c0 x2 : ffff0000ffd34310 
[66892.736519] x1 : 16d97a2aa875f600 x0 : 0000000000000000 
[66892.744482] Call trace:
[66892.749515]  dma_alloc_from_pool+0xa4/0xb0
[66892.756220]  dma_direct_alloc_pages+0x1f0/0x220
[66892.763317]  dma_direct_alloc+0x18/0x24
[66892.769651]  dma_alloc_attrs+0x88/0xfc
[66892.775827]  pool_alloc_page+0x74/0x110
[66892.781995]  dma_pool_alloc+0xe4/0x1c0
[66892.788128]  xhci_alloc_container_ctx+0xac/0x120 [xhci_hcd]
[66892.795969]  xhci_alloc_command_with_ctx+0x40/0x80 [xhci_hcd]
[66892.803966]  xhci_endpoint_reset+0xec/0x3d0 [xhci_hcd]
[66892.811379]  usb_hcd_reset_endpoint+0x2c/0xa0 [usbcore]
[66892.818890]  usb_enable_interface+0x104/0x110 [usbcore]
[66892.826364]  usb_set_configuration+0x2b4/0x970 [usbcore]
[66892.833902]  usb_generic_driver_probe+0x6c/0xb0 [usbcore]
[66892.841517]  usb_probe_device+0x48/0x130 [usbcore]
[66892.848481]  really_probe+0xe8/0x49c
[66892.854215]  driver_probe_device+0xec/0x140
[66892.860564]  __device_attach_driver+0x94/0x11c
[66892.867177]  bus_for_each_drv+0x80/0xd0
[66892.873172]  __device_attach+0x10c/0x1a0
[66892.879209]  device_initial_probe+0x1c/0x30
[66892.885433]  bus_probe_device+0xa4/0xb0
[66892.891225]  device_add+0x390/0x5e0
[66892.896614]  usb_new_device+0x1e0/0x424 [usbcore]
[66892.903154]  hub_port_connect+0x484/0x9d0 [usbcore]
[66892.909793]  hub_port_connect_change+0xd4/0x2f0 [usbcore]
[66892.916890]  port_event+0x448/0x5e0 [usbcore]
[66892.922907]  hub_event+0x148/0x4b0 [usbcore]
[66892.928774]  process_one_work+0x1e4/0x490
[66892.934362]  worker_thread+0x170/0x440
[66892.939685]  kthread+0x11c/0x120
[66892.944496]  ret_from_fork+0x10/0x18
[66892.949644] ---[ end trace abde0b1c25a58b7b ]---
[66892.955890] ------------[ cut here ]------------
[66892.962117] coherent pool not initialised!
[66892.967834] WARNING: CPU: 0 PID: 5 at kernel/dma/remap.c:190 dma_alloc_from_pool+0xa4/0xb0
[66892.977794] Modules linked in: btrfs blake2b_generic libcrc32c xor xor_neon hid_generic usbhid nicvf cavium_ptp ast i2c_algo_bit drm_vram_helper drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec rc_core drm nvme gpio_keys nvme_core raid6_pq nicpf xhci_pci xhci_hcd usbcore thunderx_mmc mmc_core thunder_bgx thunder_xcv i2c_thunderx mdio_thunder mdio_cavium sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua efivarfs
[66893.025981] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G        W         5.7.12-1.g9c98feb-default #1 openSUSE Tumbleweed (unreleased)
[66893.042303] Hardware name: GIGABYTE R270-T64-00/MT60-SC4-00, BIOS T32 03/03/2017
[66893.051996] Workqueue: usb_hub_wq hub_event [usbcore]
[66893.059335] pstate: 80000005 (Nzcv daif -PAN -UAO)
[66893.066433] pc : dma_alloc_from_pool+0xa4/0xb0
[66893.073200] lr : dma_alloc_from_pool+0xa4/0xb0
[66893.079940] sp : ffff800010073510
[66893.085530] x29: ffff800010073510 x28: 0000000000000003 
[66893.093132] x27: 0000000000000001 x26: ffff0000f57c6680 
[66893.100734] x25: 0000000000000000 x24: ffff8000101adaf8 
[66893.108333] x23: ffff0000fb9970b0 x22: 0000000000001000 
[66893.115938] x21: ffff80001128a000 x20: ffff0000ff9c0000 
[66893.123542] x19: 0000000000000000 x18: 0000000000000030 
[66893.131147] x17: 0000000000000000 x16: 0000000000000000 
[66893.138717] x15: ffff0000ff9c0550 x14: 0000000000000001 
[66893.146266] x13: 0000000000000020 x12: ffff0000f6af9db0 
[66893.153803] x11: 0000000000000008 x10: 0000000000000828 
[66893.161319] x9 : ffff800010186bfc x8 : 0000000000000001 
[66893.168831] x7 : 0000000000000000 x6 : 0000000000000000 
[66893.176321] x5 : 0000000000000000 x4 : 0000000000000000 
[66893.183778] x3 : ffff800010073300 x2 : 0000000000000001 
[66893.191211] x1 : 16d97a2aa875f600 x0 : 0000000000000000 
[66893.198628] Call trace:
[66893.203166]  dma_alloc_from_pool+0xa4/0xb0
[66893.209370]  dma_direct_alloc_pages+0x1f0/0x220
[66893.216009]  dma_direct_alloc+0x18/0x24
[66893.221944]  dma_alloc_attrs+0x88/0xfc
[66893.227784]  pool_alloc_page+0x74/0x110
[66893.233703]  dma_pool_alloc+0xe4/0x1c0
[66893.239552]  xhci_alloc_container_ctx+0xac/0x120 [xhci_hcd]
[66893.247256]  xhci_alloc_command_with_ctx+0x40/0x80 [xhci_hcd]
[66893.255133]  xhci_endpoint_reset+0xec/0x3d0 [xhci_hcd]
[66893.262426]  usb_hcd_reset_endpoint+0x2c/0xa0 [usbcore]
[66893.269803]  usb_enable_interface+0x104/0x110 [usbcore]
[66893.277173]  usb_set_configuration+0x2b4/0x970 [usbcore]
[66893.284637]  usb_generic_driver_probe+0x6c/0xb0 [usbcore]
[66893.292201]  usb_probe_device+0x48/0x130 [usbcore]
[66893.299137]  really_probe+0xe8/0x49c
[66893.304857]  driver_probe_device+0xec/0x140
[66893.311180]  __device_attach_driver+0x94/0x11c
[66893.317770]  bus_for_each_drv+0x80/0xd0
[66893.323743]  __device_attach+0x10c/0x1a0
[66893.329757]  device_initial_probe+0x1c/0x30
[66893.335960]  bus_probe_device+0xa4/0xb0
[66893.341730]  device_add+0x390/0x5e0
[66893.347095]  usb_new_device+0x1e0/0x424 [usbcore]
[66893.353612]  hub_port_connect+0x484/0x9d0 [usbcore]
[66893.360228]  hub_port_connect_change+0xd4/0x2f0 [usbcore]
[66893.367303]  port_event+0x448/0x5e0 [usbcore]
[66893.373295]  hub_event+0x148/0x4b0 [usbcore]
[66893.379134]  process_one_work+0x1e4/0x490
[66893.384700]  worker_thread+0x170/0x440
[66893.389993]  kthread+0x11c/0x120
[66893.394778]  ret_from_fork+0x10/0x18
[66893.399902] ---[ end trace abde0b1c25a58b7c ]---
[66894.454806] usb-storage 1-1.3:1.0: USB Mass Storage device detected
[66894.479144] scsi host20: usb-storage 1-1.3:1.0
[66894.490550] usbcore: registered new interface driver usb-storage
[66894.563171] usbcore: registered new interface driver uas
[66895.569951] scsi 20:0:0:0: CD-ROM            MP EMS   Virtual Media    0326 PQ: 0 ANSI: 0
[66895.639441] scsi 20:0:0:1: Direct-Access     MP EMS   Virtual Media    0326 PQ: 0 ANSI: 0 CCS
[66895.659763] scsi 20:0:0:2: Direct-Access     MP EMS   Virtual Media    0326 PQ: 0 ANSI: 0 CCS
[66895.690556] scsi 20:0:0:0: Attached scsi generic sg2 type 5
[66895.710789] sd 20:0:0:1: Power-on or device reset occurred
[66895.717955] sd 20:0:0:1: Attached scsi generic sg3 type 0
[66895.741025] sd 20:0:0:1: [sdc] Attached SCSI removable disk
[66895.772898] systemd-udevd: page allocation failure: order:0, mode:0xcc1(GFP_KERNEL|GFP_DMA), nodemask=(null),cpuset=/,mems_allowed=0
[66895.788730] CPU: 0 PID: 681 Comm: systemd-udevd Tainted: G        W         5.7.12-1.g9c98feb-default #1 openSUSE Tumbleweed (unreleased)
[66895.805248] Hardware name: GIGABYTE R270-T64-00/MT60-SC4-00, BIOS T32 03/03/2017
[66895.814803] Call trace:
[66895.819396]  dump_backtrace+0x0/0x1dc
[66895.825221]  show_stack+0x20/0x30
[66895.830701]  dump_stack+0xb8/0x110
[66895.836257]  warn_alloc+0xfc/0x170
[66895.841798]  __alloc_pages_slowpath.constprop.0+0x788/0x7a4
[66895.849534]  __alloc_pages_nodemask+0x2bc/0x31c
[66895.856215]  alloc_pages_current+0x90/0x14c
[66895.862535]  alloc_slab_page+0x1bc/0x360
[66895.868576]  allocate_slab+0x46c/0x4a0
[66895.874437]  new_slab+0x60/0xc0
[66895.879671]  new_slab_objects+0x90/0x150
[66895.885675]  ___slab_alloc+0x230/0x360
[66895.891490]  __slab_alloc+0x28/0x5c
[66895.897030]  kmem_cache_alloc_trace+0x26c/0x280
[66895.903632]  get_capabilities+0x4c/0x370 [sr_mod]
[66895.910414]  sr_probe+0x220/0x39c [sr_mod]
[66895.916583]  really_probe+0xe8/0x49c
[66895.922229]  driver_probe_device+0xec/0x140
[66895.928487]  device_driver_attach+0xc8/0xd0
[66895.934741]  __driver_attach+0xac/0x180
[66895.940647]  bus_for_each_dev+0x78/0xcc
[66895.946545]  driver_attach+0x2c/0x40
[66895.952171]  bus_add_driver+0x150/0x244
[66895.958059]  driver_register+0x80/0x13c
[66895.963932]  scsi_register_driver+0x28/0x3c
[66895.970147]  init_sr+0x44/0x1000 [sr_mod]
[66895.976187]  do_one_initcall+0x50/0x230
[66895.982054]  do_init_module+0x60/0x290
[66895.987830]  load_module+0x624/0x914
[66895.993433]  __do_sys_init_module+0xe8/0x16c
[66895.999733]  __arm64_sys_init_module+0x24/0x30
[66896.006185]  el0_svc_common.constprop.0+0x84/0x230
[66896.012970]  do_el0_svc+0x2c/0x94
[66896.018254]  el0_svc+0x18/0x50
[66896.023280]  el0_sync_handler+0x120/0x1b4
[66896.029227]  el0_sync+0x158/0x180
[66896.034491] Mem-Info:
[66896.038710] active_anon:2638 inactive_anon:846 isolated_anon:0
[66896.038710]  active_file:186 inactive_file:118 isolated_file:0
[66896.038710]  unevictable:13427 dirty:0 writeback:0 unstable:0
[66896.038710]  slab_reclaimable:2982 slab_unreclaimable:4418
[66896.038710]  mapped:3702 shmem:891 pagetables:119 bounce:0
[66896.038710]  free:855 free_pcp:21 free_cma:0
[66896.082846] Node 0 active_anon:10552kB inactive_anon:3384kB active_file:744kB inactive_file:472kB unevictable:53708kB isolated(anon):0kB isolated(file):0kB mapped:14808kB dirty:0kB writeback:0kB shmem:3564kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[66896.115909] Node 0 DMA free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:8192kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[66896.148875] lowmem_reserve[]: 0 102 102 102 102
[66896.155548] Node 0 DMA32 free:3420kB min:1296kB low:1620kB high:1944kB reserved_highatomic:0KB active_anon:10552kB inactive_anon:3384kB active_file:744kB inactive_file:472kB unevictable:53708kB writepending:0kB present:215132kB managed:129984kB mlocked:0kB kernel_stack:2288kB pagetables:476kB bounce:0kB free_pcp:84kB local_pcp:84kB free_cma:0kB
[66896.193122] lowmem_reserve[]: 0 0 0 0 0
[66896.199380] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:12824kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[66896.234420] lowmem_reserve[]: 0 0 0 0 0
[66896.240967] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[66896.254080] Node 0 DMA32: 29*4kB (ME) 3*8kB (UME) 1*16kB (M) 4*32kB (ME) 5*64kB (ME) 4*128kB (UE) 3*256kB (UE) 1*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 3420kB
[66896.274435] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[66896.288022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[66896.299807] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=32768kB
[66896.311398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[66896.322883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=64kB
[66896.334176] 14622 total pagecache pages
[66896.341038] 0 pages in swap cache
[66896.347362] Swap cache stats: add 0, delete 0, find 0/0
[66896.355637] Free swap  = 0kB
[66896.361555] Total swap = 0kB
[66896.367456] 59037 pages RAM
[66896.373264] 0 pages HighMem/MovableOnly
[66896.380122] 26541 pages reserved
[66896.386361] 0 pages cma reserved
[66896.392596] 0 pages hwpoisoned
[66896.398642] SLUB: Unable to allocate memory on node -1, gfp=0xcc1(GFP_KERNEL|GFP_DMA)
[66896.409547]   cache: dma-kmalloc-512, object size: 512, buffer size: 512, default order: 0, min order: 0
[66896.422175]   node 0: slabs: 0, objs: 0, free: 0
[66896.429941] sr 20:0:0:0: [sr0] out of memory.
[66896.437433] cdrom: Uniform CD-ROM driver Revision: 3.20
[66896.449836] scsi 20:0:0:2: Attached scsi generic sg4 type 0
[66896.467333] sd 20:0:0:2: Power-on or device reset occurred
[66896.538535] sd 20:0:0:2: [sdd] Attached SCSI removable disk
[66897.405495] sr 20:0:0:0: Power-on or device reset occurred
[66898.720850] usb 1-1.3: USB disconnect, device number 4

@nicksinger came up with this magical remedy:

ipmitool sol set volatile-bit-rate 115.2 1
ipmitool sol set non-volatile-bit-rate 115.2 1