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https://bugzilla.novell.com/show_bug.cgi?id=296545#c1

           Summary: oops in .sbp2_remove_device+0x78/0x498
           Product: openSUSE 10.3
           Version: Alpha 7
          Platform: PowerPC-64
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Kernel
        AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
        ReportedBy: olh@xxxxxxxxxx
         QAContact: qa@xxxxxxx
          Found By: ---


while attaching a firewire drive to my single cpu G5:

ieee1394: Node added: ID:BUS[0-00:1023]  GUID[00010410100036e0]
ieee1394: Node changed: 0-00:1023 -> 0-01:1023
ieee1394: sbp2: failed to set 4GB DMA mask
Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xd0000000007088dc
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=128 NUMA PowerMac
Modules linked in: sbp2 autofs4 snd_pcm_oss snd_mixer_oss snd_seq
snd_seq_device nf_conntrack_ipv6 ip6t_REJECT xt_tcpudp xt_pkttype ipt_REJECT
xt_state iptable_mangle iptable_nat nf_nat ip6table_mangle nf_conntrack_ipv4
nf_conntrack nfnetlink nfs lockd nfs_acl sunrpc joydev st sr_mod iptable_filter
ip_tables ip6table_filter ip6_tables x_tables ipv6 cpufreq_conservative
cpufreq_userspace cpufreq_powersave apparmor fuse loop dm_mod snd_aoa_codec_tas
snd_aoa_fabric_layout snd_aoa snd_aoa_i2sbus snd_aoa_soundbus snd_pcm
snd_page_alloc snd_timer snd soundcore ohci1394 ide_cd tg3 sungem cdrom
sungem_phy ieee1394 uninorth_agp agpgart sg sd_mod sata_svw libata scsi_mod
NIP: d0000000007088dc LR: d0000000007088c8 CTR: c000000000090358
REGS: c000000008ed73f0 TRAP: 0300   Tainted: G      N 
(2.6.22.1-20070801_pre_test-ppc64)
MSR: 9000000000009032 <EE,ME,IR,DR>  CR: 24022424  XER: 20000000
DAR: 0000000000000000, DSISR: 0000000040000000
TASK = c00000000af02040[9203] 'modprobe' THREAD: c000000008ed4000 CPU: 0
GPR00: d0000000007088c8 c000000008ed7670 d00000000071bec8 c00000000d0284bc 
GPR04: 0000000000000080 0000000000000080 0000000000000000 c00000000064a840 
GPR08: 0000000000000001 0000000000000000 c0000000007f3ff0 0000000000000400 
GPR12: d00000000070b1a8 c0000000005ea880 0000000000000000 d000000000702628 
GPR16: 0000000000000009 0000000000000000 d000000000701d56 0000000010001d70 
GPR20: 0000000000000000 00000000000000bb 0000000000000000 d0000000006f8000 
GPR24: c00000000d0284bc c00000000d0284d0 c00000000756fc00 0000000000000000 
GPR28: fffffffffffffff4 c00000000d028400 d00000000071b980 c00000000d028400 
NIP [d0000000007088dc] .sbp2_remove_device+0x78/0x498 [sbp2]
LR [d0000000007088c8] .sbp2_remove_device+0x64/0x498 [sbp2]
Call Trace:
[c000000008ed7670] [d0000000007088c8] .sbp2_remove_device+0x64/0x498 [sbp2]
(unreliable)
[c000000008ed7730] [d000000000709f38] .sbp2_probe+0x77c/0x7d4 [sbp2]
[c000000008ed77e0] [c0000000002d1708] .driver_probe_device+0x13c/0x200
[c000000008ed7870] [c0000000002d19c4] .__driver_attach+0xb4/0x138
[c000000008ed7900] [c0000000002d059c] .bus_for_each_dev+0x7c/0xd4
[c000000008ed79c0] [c0000000002d1474] .driver_attach+0x28/0x40
[c000000008ed7a40] [c0000000002d0a60] .bus_add_driver+0x90/0x228
[c000000008ed7ae0] [c0000000002d1d98] .driver_register+0x94/0xb0
[c000000008ed7b60] [d000000000121838] .__hpsb_register_protocol+0x40/0xac
[ieee1394]
[c000000008ed7bf0] [d00000000070a02c] .sbp2_module_init+0x9c/0xe0 [sbp2]
[c000000008ed7c80] [c0000000000a4534] .sys_init_module+0x16e4/0x18a4
[c000000008ed7e30] [c0000000000086c8] syscall_exit+0x0/0x40
Instruction dump:
419e0018 48002899 e8410028 e87f0110 480028bd e8410028 480028e5 e8410028 
3b1f00bc e93f00e0 3b3f00d0 7f03c378 <eb490000> 480026b9 e8410028 7c771b78


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