Oracle Linux: Veritas Cluster Issues Panic "Kernel panic - not syncing: GAB" when Using SolarFlare Drivers (Doc ID 2686412.1)

Last updated on SEPTEMBER 21, 2021

Applies to:

Symptoms

Veritas Clusters Triggers a Panic after Veritas GAB is unable to establish a communication with other cluster members, getting the following panic message:

PANIC: "Kernel panic - not syncing: GAB: Port h halting system due to client process failure at [14:1120]

The communication is getting blocked by Kmalloc Call:

PID: 112096 TASK: ffff9013e9118000 CPU: 7 COMMAND: "ifconfig"
#0 [ffff9029853e7a38] __schedule at ffffffffb4d19a90
#1 [ffff9029853e7ac8] __cond_resched at ffffffffb46cecc6
#2 [ffff9029853e7ae0] _cond_resched at ffffffffb4d1a32a
#3 [ffff9029853e7af0] __kmalloc at ffffffffb47fc485
#4 [ffff9029853e7b30] efx_ef10_update_stats_pf at ffffffffc045cfe2 [sfc]
#5 [ffff9029853e7b88] efx_net_stats at ffffffffc04454ec [sfc]
#6 [ffff9029853e7ba0] dev_get_stats at ffffffffb4beb653
#7 [ffff9029853e7bc0] bond_get_stats at ffffffffc0040abf [bonding]
#8 [ffff9029853e7cc8] dev_get_stats at ffffffffb4beb653
#9 [ffff9029853e7ce8] dev_seq_printf_stats at ffffffffb4c11f97
#10 [ffff9029853e7e38] dev_seq_show at ffffffffb4c12094
#11 [ffff9029853e7e48] seq_read at ffffffffb48462bc
#12 [ffff9029853e7eb8] proc_reg_read at ffffffffb4895700
#13 [ffff9029853e7ed8] vfs_read at ffffffffb481f95f
#14 [ffff9029853e7f08] sys_read at ffffffffb482082f
#15 [ffff9029853e7f50] system_call_fastpath at ffffffffb4d2679b
RIP: 00007ff89a1f8c00 RSP: 00007ffd9ec04b28 RFLAGS: 00000216
RAX: 0000000000000000 RBX: 0000564ea889a3c0 RCX: ffffffffffffffff
RDX: 0000000000000400 RSI: 00007ff89a6f4000 RDI: 0000000000000007
RBP: 00007ff89a4cc3a0 R8: 3537353730363532 R9: 3731203231373137
R10: 3538353131363836 R11: 0000000000000246 R12: 00007ff89a4cb858
R13: 0000000000000d70 R14: 0000000000000d70 R15: 00007ff89a4cb858
ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b

Changes

Affected SolarFlare driver: 

Cause

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.