Public bug reported:

hostname ms10-35-mcdivittB0-kernel IP-Config: no response after 2 secs - giving 
up
IP-Config: enp1s0 hardware address 14:58:d0:58:c3:c2 mtu 1500 DHCP RARP
hostname ms10-35-mcdivittB0-kernel hostname ms10-35-mcdivittB0-kernel 
IP-Config: enp1s0 complete (dhcp from 10.229.32.21):
 address: 10.229.65.135    broadcast: 10.229.255.255   netmask: 255.[  
112.101878] random: crng init done
255.0.0     
 gateway: 10.229.0.1       dns0     : 10.229.32.21[  112.182113] Unable to 
handle kernel read from unreadable memory at virtual address 0000000000000068
     dns1   : 10.229.32.21    
 domain : maas                  [  112.357410] Mem abort info:
                                          
 rootserver: 10.229.[  112.457556]   ESR = 0x96000004
32.21 rootpath: 
 filename  : lpxelinux.0
:: root=squash:http:[  112.560827]   EC = 0x25: DABT (current EL), IL = 32 bits
//10.229.32.21:5248/images/ubuntu/arm64/xgene-uboot/groovy/stabl[  112.691226]  
 SET = 0, FnV = 0
e/squashfs
:: mount_squash downloading http://10.229.32.21:5248[  112.794511]   EA = 0, 
S1PTW = 0
/images/ubuntu/arm64/xgene-uboot/groovy/stable/squashfs to /root[  112.898829] 
Data abort info:
.tmp.img
Connecting to 10.229.32.21:5248 (10.229.32.21:5248)
[  113.000019]   ISV = 0, ISS = 0x00000004
root.tmp.img           1% |                                | 354[  113.112681]  
 CM = 0, WnR = 0
root.tmp.img         [  113.214909] user pgtable: 4k pages, 48-bit VAs, 
pgdp=0000004f97498000
  4% [  113.330702] [0000000000000068] pgd=0000000000000000, 
p4d=0000000000000000
|*                               | 14.6M  0:00:43 ETA[  113.417300] Internal 
error: Oops: 96000004 [#1] SMP
[  113.530986] Modules linked in: raid10 raid456 async_raid6_recov async_memcpy 
async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 
multipath linear mlx4_ib ib_uverbs ib_core mlx4_en gpio_keys_polled mlx4_core 
ahci_xgene gpio_dwapb crct10dif_ce gpio_xgene_sb aes_neon_bs aes_neon_blk 
crypto_simd cryptd
[  113.869103] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-44-generic 
#50-Ubuntu
[  113.958919] Hardware name: HP ProLiant m400 Server Cartridge (DT)
[  114.031945] pstate: 60400005 (nZCv daif +PAN -UAO BTYPE=--)
[  114.098717] pc : mlx4_en_poll_rx_cq+0xac/0x180 [mlx4_en]
[  114.162459] lr : mlx4_en_poll_rx_cq+0x7c/0x180 [mlx4_en]
[  114.226193] sp : ffff800010003dc0
[  114.265834] x29: ffff800010003dc0 x28: ffff800012182f80 
[  114.329470] x27: ffff800011c09088 x26: ffff000ff7eae300 
[  114.393104] x25: ffff800012176000 x24: ffff000f95ea0900 
[  114.456740] x23: ffff000fa87b8d08 x22: ffff000fa87b8c00 
[  114.520376] x21: ffff000f95ea0000 x20: 0000000000000040 
[  114.584011] x19: 0000000000000040 x18: 0000000000000000 
[  114.647645] x17: 0000000000000000 x16: 0000000000000003 
[  114.711280] x15: 0000000000000030 x14: ffffffffffffffff 
[  114.774916] x13: ffff800090003b07 x12: 0000000000000006 
[  114.838551] x11: 0000000000000040 x10: 0000000000000040 
[  114.902187] x9 : ffff800009072448 x8 : ffff000f95fa0000 
[  114.965822] x7 : 0000000000000000 x6 : 0000004fec96c000 
[  115.029457] x5 : 00c896ec4f000000 x4 : 0000000000020a20 
[  115.093093] x3 : 0000000000000001 x2 : 0000000000000000 
[  115.156728] x1 : 0000000000000000 x0 : 0000000000000000 
[  115.220364] Call trace:
[  115.249578]  mlx4_en_poll_rx_cq+0xac/0x180 [mlx4_en]
[  115.309144]  napi_poll+0xc4/0x264
[  115.348887]  net_rx_action+0xd4/0x26c
[  115.392702]  __do_softirq+0x128/0x364
[  115.436621]  irq_exit+0xac/0x100
[  115.475219]  __handle_domain_irq+0x8c/0xf0
[  115.524247]  gic_handle_irq+0x60/0xc0
[  115.568062]  el1_irq+0x104/0x1c0
[  115.606662]  arch_cpu_idle+0x40/0x1e0
[  115.650477]  cpuidle_idle_call+0x184/0x230
[  115.699506]  do_idle+0xb0/0x100
[  115.737060]  cpu_startup_entry+0x30/0xb0
[  115.784006]  rest_init+0xc4/0xd4
[  115.822605]  arch_call_rest_init+0x1c/0x28
[  115.952142]  start_kernel+0x474/0x4ac
[  115.995961] Code: f9415ac0 7100005f 1100fc41 1a82b021 (f9403400) 
[  116.069094] ---[ end trace 04b92c50255aaf57 ]---
[  116.124486] Kernel panic - not syncing: Fatal exception in interrupt
[  116.200641] SMP: stopping secondary CPUs
[  116.247692] Kernel Offset: 0x80000 from 0xffff800010000000
[  116.313512] PHYS_OFFSET: 0x4000000000
[  116.357328] CPU features: 0x240000,20802000
[  116.407400] Memory Limit: none
[  116.443917] ---[ end Kernel panic - not syncing: Fatal exception in 
interrupt ]---

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: groovy

-- 
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https://bugs.launchpad.net/bugs/1918794

Title:
  groovy

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  hostname ms10-35-mcdivittB0-kernel IP-Config: no response after 2 secs - 
giving up
  IP-Config: enp1s0 hardware address 14:58:d0:58:c3:c2 mtu 1500 DHCP RARP
  hostname ms10-35-mcdivittB0-kernel hostname ms10-35-mcdivittB0-kernel 
IP-Config: enp1s0 complete (dhcp from 10.229.32.21):
   address: 10.229.65.135    broadcast: 10.229.255.255   netmask: 255.[  
112.101878] random: crng init done
  255.0.0     
   gateway: 10.229.0.1       dns0     : 10.229.32.21[  112.182113] Unable to 
handle kernel read from unreadable memory at virtual address 0000000000000068
       dns1   : 10.229.32.21    
   domain : maas                  [  112.357410] Mem abort info:
                                            
   rootserver: 10.229.[  112.457556]   ESR = 0x96000004
  32.21 rootpath: 
   filename  : lpxelinux.0
  :: root=squash:http:[  112.560827]   EC = 0x25: DABT (current EL), IL = 32 
bits
  //10.229.32.21:5248/images/ubuntu/arm64/xgene-uboot/groovy/stabl[  
112.691226]   SET = 0, FnV = 0
  e/squashfs
  :: mount_squash downloading http://10.229.32.21:5248[  112.794511]   EA = 0, 
S1PTW = 0
  /images/ubuntu/arm64/xgene-uboot/groovy/stable/squashfs to /root[  
112.898829] Data abort info:
  .tmp.img
  Connecting to 10.229.32.21:5248 (10.229.32.21:5248)
  [  113.000019]   ISV = 0, ISS = 0x00000004
  root.tmp.img           1% |                                | 354[  
113.112681]   CM = 0, WnR = 0
  root.tmp.img         [  113.214909] user pgtable: 4k pages, 48-bit VAs, 
pgdp=0000004f97498000
    4% [  113.330702] [0000000000000068] pgd=0000000000000000, 
p4d=0000000000000000
  |*                               | 14.6M  0:00:43 ETA[  113.417300] Internal 
error: Oops: 96000004 [#1] SMP
  [  113.530986] Modules linked in: raid10 raid456 async_raid6_recov 
async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 
raid0 multipath linear mlx4_ib ib_uverbs ib_core mlx4_en gpio_keys_polled 
mlx4_core ahci_xgene gpio_dwapb crct10dif_ce gpio_xgene_sb aes_neon_bs 
aes_neon_blk crypto_simd cryptd
  [  113.869103] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-44-generic 
#50-Ubuntu
  [  113.958919] Hardware name: HP ProLiant m400 Server Cartridge (DT)
  [  114.031945] pstate: 60400005 (nZCv daif +PAN -UAO BTYPE=--)
  [  114.098717] pc : mlx4_en_poll_rx_cq+0xac/0x180 [mlx4_en]
  [  114.162459] lr : mlx4_en_poll_rx_cq+0x7c/0x180 [mlx4_en]
  [  114.226193] sp : ffff800010003dc0
  [  114.265834] x29: ffff800010003dc0 x28: ffff800012182f80 
  [  114.329470] x27: ffff800011c09088 x26: ffff000ff7eae300 
  [  114.393104] x25: ffff800012176000 x24: ffff000f95ea0900 
  [  114.456740] x23: ffff000fa87b8d08 x22: ffff000fa87b8c00 
  [  114.520376] x21: ffff000f95ea0000 x20: 0000000000000040 
  [  114.584011] x19: 0000000000000040 x18: 0000000000000000 
  [  114.647645] x17: 0000000000000000 x16: 0000000000000003 
  [  114.711280] x15: 0000000000000030 x14: ffffffffffffffff 
  [  114.774916] x13: ffff800090003b07 x12: 0000000000000006 
  [  114.838551] x11: 0000000000000040 x10: 0000000000000040 
  [  114.902187] x9 : ffff800009072448 x8 : ffff000f95fa0000 
  [  114.965822] x7 : 0000000000000000 x6 : 0000004fec96c000 
  [  115.029457] x5 : 00c896ec4f000000 x4 : 0000000000020a20 
  [  115.093093] x3 : 0000000000000001 x2 : 0000000000000000 
  [  115.156728] x1 : 0000000000000000 x0 : 0000000000000000 
  [  115.220364] Call trace:
  [  115.249578]  mlx4_en_poll_rx_cq+0xac/0x180 [mlx4_en]
  [  115.309144]  napi_poll+0xc4/0x264
  [  115.348887]  net_rx_action+0xd4/0x26c
  [  115.392702]  __do_softirq+0x128/0x364
  [  115.436621]  irq_exit+0xac/0x100
  [  115.475219]  __handle_domain_irq+0x8c/0xf0
  [  115.524247]  gic_handle_irq+0x60/0xc0
  [  115.568062]  el1_irq+0x104/0x1c0
  [  115.606662]  arch_cpu_idle+0x40/0x1e0
  [  115.650477]  cpuidle_idle_call+0x184/0x230
  [  115.699506]  do_idle+0xb0/0x100
  [  115.737060]  cpu_startup_entry+0x30/0xb0
  [  115.784006]  rest_init+0xc4/0xd4
  [  115.822605]  arch_call_rest_init+0x1c/0x28
  [  115.952142]  start_kernel+0x474/0x4ac
  [  115.995961] Code: f9415ac0 7100005f 1100fc41 1a82b021 (f9403400) 
  [  116.069094] ---[ end trace 04b92c50255aaf57 ]---
  [  116.124486] Kernel panic - not syncing: Fatal exception in interrupt
  [  116.200641] SMP: stopping secondary CPUs
  [  116.247692] Kernel Offset: 0x80000 from 0xffff800010000000
  [  116.313512] PHYS_OFFSET: 0x4000000000
  [  116.357328] CPU features: 0x240000,20802000
  [  116.407400] Memory Limit: none
  [  116.443917] ---[ end Kernel panic - not syncing: Fatal exception in 
interrupt ]---

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