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Kernel oops seen while deleting VR with BGP export enabled and IP ARP proxy configured.

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Information

 
TitleKernel oops seen while deleting VR with BGP export enabled and IP ARP proxy configured.
Symptoms
Kernel oops seen while deleting VR with BGP export enabled and IP ARP proxy configured.

Switch Output:
CPU 0 Unable to handle kernel paging request at virtual address 000001d0, epc == 803426d4, ra == 803425d0
Oops[#1]:
Cpu 0
$ 0   : 00000000 10001f00 c3e29d90 00000001
$ 4   : 00000001 10001f00 00000001 000060db
$ 8   : 00007fff 0000000a 0000000a 80404210
$12   : 00000000 2aaca000 551a7a86 00000000
$16   : 00008956 00000000 c0a8fed2 8a931d10
$20   : 8a931d78 00000000 00000014 2ad2bb58
$24   : 00000000 2ae34f10                  
$28   : 8a930000 8a931d00 2ad2a000 803425d0
Hi    : 000000ae
Lo    : 00088f3a
epc   : 803426d4 arp_ioctl+0x460/0x87c
    Tainted: P          
ra    : 803425d0 arp_ioctl+0x35c/0x87c
Status: 10001f03    KERNEL EXL IE
Cause : 00808008
BadVA : 000001d0
PrId  : 01041050 (SiByte SB1)
Modules linked in: exfipSnoop(P) exfib exsflow(P) exacl(P) exsnoop(P) exosmc exdos(P) exdhcpsnoop bcmpkt exvlan nettx exosmailbox(P) exosq(P) bcmhelper(P) linux_uk_extr(P) linux_bcm_diag_full(P) linux_uk_proxy(P) linux_kernel_bde(P) aspenpmap(P) ahd(P) extrpfc extrfpga pca9555 eeprom16 adm1066 lm75 pca9548 physmap watchdog exosnvram(P)
Process fdb (pid: 1330, threadinfo=8a930000, task=8af5a490, tls=2aad5cd0)
Stack : 00000001 8012c2dc 8b373a70 82a13ac8 00020000 c0a8fed2 00000000 00000000
        00000000 00000000 00000000 00000000 0000002e 00020000 ffffffff 00000000
        00000000 00000000 00000000 00000000 00000000 00000003 00000000 00000000
        00000000 00000000 00000000 00000000 00000000 00000000 00020000 c0a8fed2
        00000000 00000000 00000000 00000000 00000000 00000000 0000002e 00020000
        ...
Call Trace:
[<803426d4>] arp_ioctl+0x460/0x87c
[<802d4c14>] sock_ioctl+0x214/0x328
[<801aed2c>] vfs_ioctl+0x34/0xbc
[<801af1c8>] do_vfs_ioctl+0x7c/0x604
[<801af798>] sys_ioctl+0x48/0x90
[<801117d8>] stack_done+0x20/0x40


Code: 8c428208  10400054  24030001 <8e2401d0> 10830051  02202021  02602821  02a03021  0040f809
Fatal exception: panic in 5 seconds
CPU 1: Kernel thread was stuck for 2.12 seconds, jiffies: 8713
CPU 0: Kernel thread was stuck for 2.19 seconds, jiffies: 8713
..Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Rebooting in 5 seconds..
CPU 0: soft watchdog expiration warning EPC 803e8068(panic+0x130/0x1c0) at 2 seconds.
Cold Reboot... b8000014
Default BootLoader Image

 
Environment
  • BlackDiamond 8810
  • EXOS 15.7.1.4
Cause
The kernel oops occurs due to a software deficiency that has been addressed in CR xos0061085.
Resolution
  • Please follow CR xos0061085 for fixed software builds.
Additional notes

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