BUG: unable to handle kernel paging request at ffffffffc079ad20

Solution Unverified - Updated -

Issue

  • System panics with following kernel ring buffer logs:
BUG: unable to handle kernel paging request at ffffffffc079ad20
PGD 561813067 P4D 561813067 PUD 561815067 PMD 65fcf7067 PTE 0
 Oops: 0010 [#1] SMP NOPTI
 CPU: 2 PID: 733699 Comm: veeamdeferio253 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-305.19.1.el8_4.x86_64 #1
 Hardware name: Red Hat OpenStack Compute, BIOS 0.0.0 02/06/2015
 RIP: 0010:0xffffffffc079ad20
 Code: Unable to access opcode bytes at RIP 0xffffffffc079acf6.
 RSP: 0018:ffffab9c056f7e80 EFLAGS: 00010296
 RAX: 0000000000000000 RBX: ffff989cb8806600 RCX: 0000000000000000
 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246
 RBP: ffffab9c056f7f08 R08: ffff989e27aaa938 R09: 00000000000003cd
 R10: 0000000000000001 R11: 000efa28f6ba75c0 R12: 0000000000000000
 R13: 00000000000003e8 R14: ffff989cb8806618 R15: ffff989cb8806600
 FS:  0000000000000000(0000) GS:ffff989e27a80000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: ffffffffc079acf6 CR3: 000000065e5f2000 CR4: 0000000000350ee0
 Call Trace:
  ? finish_wait+0x80/0x80
  kthread+0x116/0x130
  ? kthread_flush_work_fn+0x10/0x10
  ret_from_fork+0x22/0x40

Environment

  • Red Hat Enterprise Linux 8
  • Third-Party [veeamsnap] kernel module

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