This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1886277

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1886277

Title:
  unable to handle page fault in mempool_alloc_slab

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  On kernel 5.4.0-40-generic in focal I'm getting errors like this on
  several machines with different hardware in the first hour after boot:

  Jul 04 16:58:32 hostname kernel: BUG: unable to handle page fault for 
address: ffff9083e222e632
  Jul 04 16:58:32 hostname kernel: #PF: supervisor read access in kernel mode
  Jul 04 16:58:32 hostname kernel: #PF: error_code(0x0000) - not-present page
  Jul 04 16:58:32 hostname kernel: PGD 3ac205067 P4D 3ac205067 PUD 0
  Jul 04 16:58:32 hostname kernel: Oops: 0000 [#1] SMP NOPTI
  Jul 04 16:58:32 hostname kernel: CPU: 4 PID: 289 Comm: kworker/u16:4 Tainted: 
G           OE     5.4.0-40-generic #44-Ubuntu
  Jul 04 16:58:32 hostname kernel: Hardware name: LENOVO 20N2CTO1WW/20N2CTO1WW, 
BIOS N2IET88W (1.66 ) 04/22/2020
  Jul 04 16:58:32 hostname kernel: Workqueue: rpciod rpc_async_schedule [sunrpc]
  Jul 04 16:58:32 hostname kernel: RIP: 0010:kmem_cache_alloc+0x7e/0x230
  Jul 04 16:58:32 hostname kernel: Code: 99 01 00 00 4d 8b 07 65 49 8b 50 08 65 
4c 03 05 40 9d 56 44 4d 8b 20 4d 85 e4 0f 84 85 01 00 00 41 8b 47 20 49 8b 3f 
4c 01 e0 <48> 8b 18 48 89 c1 49 33 9f 70 01 00 00 4c 89 e0 48 0f c9 48 31 cb
  Jul 04 16:58:32 hostname kernel: RSP: 0018:ffffbc38c046fcc8 EFLAGS: 00010282
  Jul 04 16:58:32 hostname kernel: RAX: ffff9083e222e632 RBX: 0000000000000000 
RCX: 0000000000000002
  Jul 04 16:58:32 hostname kernel: RDX: 0000000000000009 RSI: 0000000000092800 
RDI: 0000000000031fb0
  Jul 04 16:58:32 hostname kernel: RBP: ffffbc38c046fcf8 R08: ffff90836c331fb0 
R09: ffffffffc1436a94
  Jul 04 16:58:32 hostname kernel: R10: ffff908368178d2c R11: 0000000000000018 
R12: ffff9083e222e632
  Jul 04 16:58:32 hostname kernel: R13: 0000000000092800 R14: ffff908367ca6140 
R15: ffff908367ca6140
  Jul 04 16:58:32 hostname kernel: FS:  0000000000000000(0000) 
GS:ffff90836c300000(0000) knlGS:0000000000000000
  Jul 04 16:58:32 hostname kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jul 04 16:58:32 hostname kernel: CR2: ffff9083e222e632 CR3: 00000003ab80a003 
CR4: 00000000003606e0
  Jul 04 16:58:32 hostname kernel: Call Trace:
  Jul 04 16:58:32 hostname kernel:  ? mempool_alloc_slab+0x17/0x20
  Jul 04 16:58:32 hostname kernel:  mempool_alloc_slab+0x17/0x20
  Jul 04 16:58:32 hostname kernel:  mempool_alloc+0x64/0x180
  Jul 04 16:58:32 hostname kernel:  rpc_malloc+0xa1/0xb0 [sunrpc]
  Jul 04 16:58:32 hostname kernel:  call_allocate+0xd1/0x1b0 [sunrpc]
  Jul 04 16:58:32 hostname kernel:  ? call_refreshresult+0x100/0x100 [sunrpc]
  Jul 04 16:58:32 hostname kernel:  __rpc_execute+0x8c/0x3a0 [sunrpc]
  Jul 04 16:58:32 hostname kernel:  rpc_async_schedule+0x30/0x50 [sunrpc]
  Jul 04 16:58:32 hostname kernel:  process_one_work+0x1eb/0x3b0
  Jul 04 16:58:32 hostname kernel:  worker_thread+0x4d/0x400
  Jul 04 16:58:32 hostname kernel:  kthread+0x104/0x140
  Jul 04 16:58:32 hostname kernel:  ? process_one_work+0x3b0/0x3b0
  Jul 04 16:58:32 hostname kernel:  ? kthread_park+0x90/0x90
  Jul 04 16:58:32 hostname kernel:  ret_from_fork+0x35/0x40
  Jul 04 16:58:32 hostname kernel: Modules linked in: rfcomm rpcsec_gss_krb5 
auth_rpcgss nfsv4 nfs lockd grace fscache vboxnetadp(OE) vboxnetflt(OE) 
vboxdrv(OE) msr ccm cmac algif_hash algif_skcipher af_alg aufs bnep overlay 
nls_iso8859_1 mei_hdcp intel_rapl_msr snd_s>
  Jul 04 16:58:32 hostname kernel:  nvram ledtrig_audio mei_me cfg80211 mei 
processor_thermal_device snd_seq ucsi_acpi typec_ucsi intel_rapl_common 
intel_soc_dts_iosf snd_seq_device typec intel_pch_thermal snd_timer snd 
int3403_thermal soundcore int340x_thermal_zone i>
  Jul 04 16:58:32 hostname kernel:  pinctrl_cannonlake video pinctrl_intel
  Jul 04 16:58:32 hostname kernel: CR2: ffff9083e222e632
  Jul 04 16:58:32 hostname kernel: ---[ end trace cbbaed921eb439ce ]---
  Jul 04 16:58:32 hostname kernel: RIP: 0010:kmem_cache_alloc+0x7e/0x230
  Jul 04 16:58:32 hostname kernel: Code: 99 01 00 00 4d 8b 07 65 49 8b 50 08 65 
4c 03 05 40 9d 56 44 4d 8b 20 4d 85 e4 0f 84 85 01 00 00 41 8b 47 20 49 8b 3f 
4c 01 e0 <48> 8b 18 48 89 c1 49 33 9f 70 01 00 00 4c 89 e0 48 0f c9 48 31 cb
  Jul 04 16:58:32 hostname kernel: RSP: 0018:ffffbc38c046fcc8 EFLAGS: 00010282
  Jul 04 16:58:32 hostname kernel: RAX: ffff9083e222e632 RBX: 0000000000000000 
RCX: 0000000000000002
  Jul 04 16:58:32 hostname kernel: RDX: 0000000000000009 RSI: 0000000000092800 
RDI: 0000000000031fb0
  Jul 04 16:58:32 hostname kernel: RBP: ffffbc38c046fcf8 R08: ffff90836c331fb0 
R09: ffffffffc1436a94
  Jul 04 16:58:32 hostname kernel: R10: ffff908368178d2c R11: 0000000000000018 
R12: ffff9083e222e632
  Jul 04 16:58:32 hostname kernel: R13: 0000000000092800 R14: ffff908367ca6140 
R15: ffff908367ca6140
  Jul 04 16:58:32 hostname kernel: FS:  0000000000000000(0000) 
GS:ffff90836c300000(0000) knlGS:0000000000000000
  Jul 04 16:58:32 hostname kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jul 04 16:58:32 hostname kernel: CR2: ffff9083e222e632 CR3: 00000003ab80a003 
CR4: 00000000003606e0

  When booting 5.4.0-39-generic the problem does not occur.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886277/+subscriptions

-- 
Mailing list: https://launchpad.net/~kernel-packages
Post to     : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to