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linux/arch/powerpc/platforms
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Olaf Hering 273d280381 [PATCH] powerpc: fix NULL pointer in handle_eeh_events 
This patch fixes a crash in handle_eeh_events,
but ethtool -t still doesnt work right.

...
pepino:~ # cpu 0x3: Vector: 300 (Data Access) at [c00000005192bbe0]
    pc: c00000000004a380: .handle_eeh_events+0xe0/0x23c
    lr: c00000000004a374: .handle_eeh_events+0xd4/0x23c
    sp: c00000005192be60
   msr: 9000000000009032
   dar: 268
 dsisr: 40000000
  current = 0xc0000001fe7bf1a0
  paca    = 0xc00000000048b280
    pid   = 16322, comm = eehd
enter ? for help
[c00000005192bf00] c00000000004a808 .eeh_event_handler+0xcc/0x130
[c00000005192bf90] c000000000025e00 .kernel_thread+0x4c/0x68

...

(none):/# /usr/sbin/ethtool -i eth0
driver: e100
version: 3.5.10-k2-NAPI
firmware-version: N/A
bus-info: 0000:21:01.0
(none):/# /usr/sbin/ethtool -t eth0
Call Trace:
[C00000000F8DEFF0] [C00000000000F270] .show_stack+0x74/0x1b4 (unreliable)
[C00000000F8DF0A0] [C000000000049D04] .eeh_dn_check_failure+0x290/0x2d8
[C00000000F8DF150] [C000000000049E58] .eeh_check_failure+0x10c/0x138
[C00000000F8DF1E0] [C0000000002DFDB0] .e100_hw_reset+0x70/0xf4
[C00000000F8DF270] [C0000000002E1BBC] .e100_hw_init+0x2c/0x260
[C00000000F8DF310] [C0000000002E2464] .e100_loopback_test+0x8c/0x220
[C00000000F8DF3C0] [C0000000002E28DC] .e100_diag_test+0xdc/0x16c
[C00000000F8DF490] [C000000000420BE0] .dev_ethtool+0xf24/0x14f8
[C00000000F8DF8F0] [C00000000041F4A8] .dev_ioctl+0x5cc/0x740
[C00000000F8DFA20] [C00000000040FEFC] .sock_ioctl+0x3d0/0x404
[C00000000F8DFAC0] [C0000000000D513C] .do_ioctl+0x68/0x108
[C00000000F8DFB50] [C0000000000D56B0] .vfs_ioctl+0x4d4/0x510
[C00000000F8DFC10] [C0000000000D5740] .sys_ioctl+0x54/0x94
[C00000000F8DFCC0] [C0000000000FB6EC] .ethtool_ioctl+0x11c/0x150
[C00000000F8DFD60] [C0000000000F7E40] .compat_sys_ioctl+0x338/0x3bc
[C00000000F8DFE30] [C00000000000871C] syscall_exit+0x0/0x40
EEH: Detected PCI bus error on device 0000:21:01.0
EEH: This PCI device has failed 1 times since last reboot: <NULL> -

modprobe: FATAL: Could not load /lib/modules/2.6.16-rc4-git7/modules.dep: No such file or directory

Cannot get strings: No such device
(none):/#
(none):/# EEH: Unable to configure device bridge (-3) for /pci@400000000110/pci@2,2

(none):/# Call Trace:
[C00000000FA17940] [C00000000000F270] .show_stack+0x74/0x1b4 (unreliable)
[C00000000FA179F0] [C000000000049D04] .eeh_dn_check_failure+0x290/0x2d8
[C00000000FA17AA0] [C00000000001E114] .rtas_read_config+0x120/0x154
[C00000000FA17B40] [C000000000049664] .early_enable_eeh+0x274/0x2bc
[C00000000FA17C00] [C000000000049708] .eeh_add_device_early+0x5c/0x6c
[C00000000FA17C90] [C000000000049748] .eeh_add_device_tree_early+0x30/0x5c
[C00000000FA17D20] [C000000000046568] .pcibios_add_pci_devices+0x8c/0x1f8
[C00000000FA17DD0] [C00000000004A528] .eeh_reset_device+0xe0/0x110
[C00000000FA17E60] [C00000000004A698] .handle_eeh_events+0x140/0x250
[C00000000FA17F00] [C00000000004AC7C] .eeh_event_handler+0xe8/0x140
[C00000000FA17F90] [C000000000025784] .kernel_thread+0x4c/0x68
EEH: Detected PCI bus error on device <NULL>
EEH: This PCI device has failed 1 times since last reboot: <NULL> -
EEH: Unable to configure device bridge (-3) for /pci@400000000110/pci@2,2
Call Trace:
[C00000000FA17940] [C00000000000F270] .show_stack+0x74/0x1b4 (unreliable)
[C00000000FA179F0] [C000000000049D04] .eeh_dn_check_failure+0x290/0x2d8
[C00000000FA17AA0] [C00000000001E114] .rtas_read_config+0x120/0x154
[C00000000FA17B40] [C000000000049664] .early_enable_eeh+0x274/0x2bc
[C00000000FA17C00] [C000000000049708] .eeh_add_device_early+0x5c/0x6c
[C00000000FA17C90] [C000000000049748] .eeh_add_device_tree_early+0x30/0x5c
[C00000000FA17D20] [C000000000046568] .pcibios_add_pci_devices+0x8c/0x1f8
[C00000000FA17DD0] [C00000000004A528] .eeh_reset_device+0xe0/0x110
[C00000000FA17E60] [C00000000004A698] .handle_eeh_events+0x140/0x250
[C00000000FA17F00] [C00000000004AC7C] .eeh_event_handler+0xe8/0x140
[C00000000FA17F90] [C000000000025784] .kernel_thread+0x4c/0x68
EEH: Detected PCI bus error on device <NULL>
EEH: This PCI device has failed 1 times since last reboot: <NULL> -
EEH: Unable to configure device bridge (-3) for /pci@400000000110/pci@2,2
Call Trace:
[C00000000FA17940] [C00000000000F270] .show_stack+0x74/0x1b4 (unreliable)
[C00000000FA179F0] [C000000000049D04] .eeh_dn_check_failure+0x290/0x2d8
[C00000000FA17AA0] [C00000000001E114] .rtas_read_config+0x120/0x154
[C00000000FA17B40] [C000000000049664] .early_enable_eeh+0x274/0x2bc
[C00000000FA17C00] [C000000000049708] .eeh_add_device_early+0x5c/0x6c
[C00000000FA17C90] [C000000000049748] .eeh_add_device_tree_early+0x30/0x5c
[C00000000FA17D20] [C000000000046568] .pcibios_add_pci_devices+0x8c/0x1f8
[C00000000FA17DD0] [C00000000004A528] .eeh_reset_device+0xe0/0x110
[C00000000FA17E60] [C00000000004A698] .handle_eeh_events+0x140/0x250
[C00000000FA17F00] [C00000000004AC7C] .eeh_event_handler+0xe8/0x140
[C00000000FA17F90] [C000000000025784] .kernel_thread+0x4c/0x68
EEH: Detected PCI bus error on device <NULL>
and so on

Signed-off-by: Olaf Hering <olh@suse.de>
Acked-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-02-28 16:25:54 +11:00
..
4xx ppc: Various minor compile fixes 2005-10-11 22:08:12 +10:00
8xx powerpc: Merge enough to start building in arch/powerpc. 2005-09-26 16:04:21 +10:00
83xx [PATCH] powerpc: Add MPC834x SYS board to arch/powerpc 2006-01-14 11:13:24 +11:00
85xx ppc: Various minor compile fixes 2005-10-11 22:08:12 +10:00
apus powerpc: Merge enough to start building in arch/powerpc. 2005-09-26 16:04:21 +10:00
cell [PATCH] powerpc: Fix spufs initialization sequence. 2006-02-07 21:27:50 +11:00
chrp [PATCH] powerpc: add refcounting to setup_peg2 and of_get_pci_address 2006-02-07 21:32:45 +11:00
embedded6xx [PATCH] powerpc: Updated Kconfig and Makefiles for 83xx support 2006-01-11 15:35:29 +11:00
iseries [PATCH] powerpc: Fix runlatch performance issues 2006-02-24 11:36:31 +11:00
maple [PATCH] powerpc: Don't re-assign PCI resources on Maple 2006-02-24 11:36:39 +11:00
powermac [PATCH] powermac: Fix loss of ethernet PHY on sleep 2006-02-20 20:00:11 -08:00
prep powerpc: Merge enough to start building in arch/powerpc. 2005-09-26 16:04:21 +10:00
pseries [PATCH] powerpc: fix NULL pointer in handle_eeh_events 2006-02-28 16:25:54 +11:00
Makefile [PATCH] powerpc: Updated Kconfig and Makefiles for 83xx support 2006-01-11 15:35:29 +11:00