Folks,<br>
<br>
Anyone seen this before ?<br>
<br>
We have the MPC8349 based EVM board which has 2 GigEs. IP forwarding is
enabled on the system. The kernel/gianfar is 2.6.11 based.<br>
<br>
We were trying to stress the GigE interfaces by sending bidirectional smartbits traffic. <br>
<br>
We observe the following kernel oops:<br>
e-99-0-21-1# Oops: Exception in kernel mode, sig: 5 [#1]<br>
NIP: C016EB80 LR: C016EB80 SP: C0241DE0 REGS: c0241d30 TRAP: 0700<br>
Tainted: P<br>
MSR: 00029032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 TASK = c022bdb0[0] 'swapper' THREAD: c0240000 Last syscall: 120<br>
GPR00: C016EB80 C0241DE0 C022BDB0 00000030 C0263BF4 000001A1 DF700060 3B9ACA00<br>
GPR08: C0263BF8 C023DB24 DEA5DE9C C0241CF0 00003C9B 1001A1F8 1FFF8000 00000000<br>
GPR16: FFFFFFFF 00000001 00000000 1FFF297C 1FF9E330 00000001 007FFF00 C0230000<br>
GPR24: 00000001 0000FFFC DFD6B800 0000003F DDC42F48 00000000 D7FA9140
DFD6BA20 Call trace: [c01495d4] [c0149748] [c0176078]
[c0018d34] [c0018e00] [c0005438] [c000460c]
[c00038ac] [c00054d0] [c0003928] [c0242674]
[000035fc] Kernel panic - not syncing: Aiee, killing interrupt handler!<br>
<0>Rebooting in 180 seconds..<br>
<br>
After decoding this it looks like the following:<br>
<br>
Enter hex value: c01495d4<br>
0xc01495d4:gfar_error(0xc01494bc)+0x118<br>
Enter hex value: c0149748<br>
0xc0149748:gfar_gdrvinfo(0xc0149718)+0x30<br>
Enter hex value: c0176078<br>
0xc0176078:dev_ioctl(0xc0175f0c)+0x16c<br>
Enter hex value: c0018d34<br>
0xc0018d34:__do_softirq(0xc0018cb4)+0x80<br>
Enter hex value: c0018e00<br>
0xc0018e00:do_softirq(0xc0018da8)+0x58<br>
Enter hex value: c0005438<br>
0xc0005438:do_IRQ(0xc00053b4)+0x84<br>
Enter hex value: c000460c<br>
0xc000460c:ret_from_except(0xc000460c)+0x0<br>
Enter hex value: c00038ac<br>
0xc00038ac:ppc6xx_idle(0xc00037c8)+0xe4<br>
Enter hex value: c00054d0<br>
0xc00054d0:cpu_idle(0xc00054a8)+0x28<br>
<br>
Any idea on this one ? Any new fixes that went in for such issues ?<br>
<br>
Thanks!<br>
ashutosh<br>
<br>