Kernel panic when using bnx2x driver with TPA/LRO in KVM
Issue
Kernel panic when using bnx2x driver with TPA/LRO in KVM.
Call trace:
RBP: 0000000000010ff6 R08: 0000000000000000 R09: 0000000000000001
R10: ffff8102202c5e94 R11: 0000000000000202 R12: ffff8102275357c0
R13: ffff81022755e500 R14: 0000000000000000 R15: ffff8102202c5ef8
FS: 00002b1e91ac4f90(0000) GS:ffffffff803c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00002aaaab4c3000 CR3: 00000005ef70f000 CR4: 00000000000026e0
Process qemu-kvm (pid: 6583, threadinfo ffff810305274000, task
ffff810307b9a860)
Stack: 000000004ac59a1e ffff8103072c1ec0 0000000000000000 ffff810307b9a860
ffffffff8008be71 ffff810307af2d28 ffff810305274000 ffffffff800a14df
000005ea05ea0000 ffff810305f20000 00001500001cb5fc ffffffff8003c5a2
Call Trace:
[] default_wake_function+0x0/0xe
[] enqueue_hrtimer+0x55/0x70
[] hrtimer_start+0xc6/0xd8
[] :tun:tun_chr_read+0x1a/0x1f
[] vfs_read+0xcb/0x171
[] sys_read+0x45/0x6e
[] system_call+0xd5/0xe0
Code: 0f 0b 68 c8 f4 6a 88 c2 dc 01 f6 42 0a 08 74 0c 80 4c 24 41
RIP [] :tun:tun_chr_readv+0x2b1/0x3a6
RSP
<0>Kernel panic - not syncing: Fatal exception
Environment
- Red Hat Enterprise Linux 5.4
- Kernel-2.6.18-164
- KVM
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