Messages: "Debug: sleeping function called from invalid context at mm/slab.c:206"

Solution Verified - Updated

Environment

Red Hat Enterprise Linux 4

Issue

When you stop the network service with bonding enabled, you get the following messages:

     kernel: Debug: sleeping function called from invalid context at mm/slab.c:2063
     kernel: in_atomic():1[expected: 0], irqs_disabled():0
     kernel: Call Trace:
     kernel: [c0000001cdd4f6a0] [c00000000005d7dc] .__might_sleep+0xcc/0xec (unreliable)
     kernel: [c0000001cdd4f740] [c0000000000a1cf8] .__kmalloc+0x70/0x104
     kernel: [c0000001cdd4f7d0] [c0000000000a1f9c] .kzalloc+0x1c/0x50
     kernel: [c0000001cdd4f860] [d0000000000cb0e4] .ehea_get_stats+0x50/0x194 [ehea]
     kernel: [c0000001cdd4f900] [d0000000004fddf0] .bond_get_stats+0xb0/0x298 [bonding]
     kernel: [c0000001cdd4fab0] [c000000000284e88] .dev_seq_printf_stats+0x58/0x184
     kernel: [c0000001cdd4fba0] [c000000000284fe4] .dev_seq_show+0x30/0x48
     kernel: [c0000001cdd4fc20] [c0000000000f1330] .seq_read+0x310/0x480
     kernel: [c0000001cdd4fcf0] [c0000000000c3abc] .vfs_read+0x148/0x1ac
     kernel: [c0000001cdd4fd90] [c0000000000c3e10] .sys_read+0x4c/0x8c
     kernel: [c0000001cdd4fe30] [c000000000011280] syscall_exit+0x0/0x18

Resolution

If you use Red Hat Enterprise 4.7 kernel or less , you can try to update to 4.8 kernel(kernel-2.6.9-89.EL or later).

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