2.6.5 - panic when intensive disk access on 120GB firewire disk

[Robert Gadsdon]

Kernel panic from 2.6.5 'final' when running slocate (updatedb) 
accessing 120GB firewire disk:

Oops: 00002 [#1]
PREEMPT SMP
CPU: 0
EIP: 0060:[<f8a10a27>]  Not tainted
EFLAGS: 00010047 (2.6.5)
EIP is at hpsb_packet_sent+0x27/0x90 [ieee1394]
eax: 00100100 ebx: f76e0000 ecx: e1fea3c0 edx: 00200200
esi: 00000001 edi: e1fea3c0 ebp: f76e2078 esp: c042df14
ds : 007b es: 007b ss : 0068
Process swapper (pid: 0, threadinfo=c042c000 task=c03aa160)
Stack: f76e21bc f89329e8 f76e0000 e1fea3c0 00000001 f75f8da0 f76e21e8 
00000292
       f76e21fc 00000000 c042c000 c045b5d8 c0127d93 f76e21bc 00000001 
c042b028
       0000000a 00000046 c0127ac7 c042b028 c042c000 c042c000 00000009 
00000020
Call Trace :
 [<f89329e8>] dma_trm_tasklet+0xa8/0x1b0 [ohci1394]
 [<c0127d93>] tasklet_action+0x73/0xe0
 [<c0127ac7>] do_softirq+0xc7/0xd0
 [<c010b82b>] do_IRQ+0x13b/0x1a0
 [<c0109928>] common_interrupt+0x18/0x20
 [<c0106970>] default_idle+0x0/0x40
 [<c010699c>] default_idle+0x2c/0x40
 [<c0106a2b>] cpu_idle+0x3b/0x50
 [<c042e4c0>] unknown_bootoption +0x0/0x120
 [<c042e95b>] start_kernel+0x1bb/0x210
 [<c042e4c0>] unknown_bootoption+0x0/0x120

Code: 89 50 04 89 02 c7 41 04 00 02 20 00 c7 01 00 01 10 00 c6 41
 <0>Kernel panic: Fatal exception in interrupt
In interrupt handler - not syncing


Similar problem with 2.6.4 and 2.6.5-rc and 2.6.5-rc-mm kernels, and is 
100% repeatable..


Robert Gadsdon
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