Hi, ipmi_smb does not work reliably on our Intel SE7520JR2 mainboard, it produces a kernel Oops in most cases. The linux kernel version is 2.6.15.4 configured for Pentium 4 SMP, with the following openipmi patches applied: + linux-base-2.6.15-v38.0.diff + linux-i2c-2.6.15-v38.0.diff + linux-i2c-i801-2.6.15-v38.0.diff + linux-smb-2.6.15-v38.0.diff
A successful load (which only happened once so far) looks like this: # modprobe ipmi_smb dbg_probe=1 dbg=7 # cat /var/log/kern.log [...] Feb 13 13:20:23 guendel kernel: ipmi message handler version 38.0 Feb 13 13:20:23 guendel kernel: IPMI SMB Interface driver Feb 13 13:20:23 guendel kernel: ipmi_smb: DMI specifies SSIF @ 0x42 Feb 13 13:20:23 guendel kernel: ipmi_smb: DMI specifies slave address at 0x20 Feb 13 13:20:23 guendel kernel: init_one_smb: Checking SMBus adapter 0: SMBus I801 adapter at 0540 Feb 13 13:20:23 guendel kernel: init_one_smb: found SMBus adapter: SMBus I801 adapter at 0540 Feb 13 13:20:28 guendel kernel: smb_found_addr_proc: i2c_probe found device at i2c address 42 Feb 13 13:20:28 guendel kernel: **Enqueue 18 42: 1139833228.189232 Feb 13 13:20:28 guendel kernel: DONE 1: state = 0, result=0. Feb 13 13:20:28 guendel kernel: **Enqueue 18 42: 1139833228.316161 Feb 13 13:20:28 guendel kernel: DONE 2: state = 0. Feb 13 13:20:28 guendel kernel: DONE 1: state = 0, result=0. Feb 13 13:20:28 guendel kernel: **Enqueue 18 42: 1139833228.452152 Feb 13 13:20:28 guendel kernel: DONE 2: state = 0. Feb 13 13:20:28 guendel kernel: DONE 1: state = 0, result=0. [...] An unsuccessful attempt is shown below: # modprobe ipmi_smb dbg_probe=1 dbg=7 Segmentation fault # cat /var/log/kern.log [...] Feb 13 14:58:07 guendel kernel: ipmi message handler version 38.0 Feb 13 14:58:07 guendel kernel: IPMI SMB Interface driver Feb 13 14:58:07 guendel kernel: ipmi_smb: DMI specifies SSIF @ 0x42 Feb 13 14:58:07 guendel kernel: ipmi_smb: DMI specifies slave address at 0x20 Feb 13 14:58:07 guendel kernel: init_one_smb: Checking SMBus adapter 0: SMBus I801 adapter at 0540 Feb 13 14:58:07 guendel kernel: init_one_smb: found SMBus adapter: SMBus I801 adapter at 0540 Feb 13 14:58:07 guendel kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000001 Feb 13 14:58:07 guendel kernel: printing eip: Feb 13 14:58:07 guendel kernel: 00000001 Feb 13 14:58:07 guendel kernel: *pde = 00000000 Feb 13 14:58:07 guendel kernel: Oops: 0000 [#1] Feb 13 14:58:07 guendel kernel: SMP Feb 13 14:58:07 guendel kernel: Modules linked in: ipmi_smb ipmi_msghandler parport_pc lp parport button ac battery ipv6 nfs lockd nfs_acl sunrpc dm_mod ide_disk joydev hw_random evdev i2c_i801 psmouse i2c_core shpchp mousedev serio_raw pci_hotplug pcspkr rtc ext3 jbd mbcache ide_cd cdrom ide_generic piix e1000 generic ide_core uhci_hcd ehci_hcd usbcore thermal processor fan sd_mod ata_piix libata scsi_mod Feb 13 14:58:07 guendel kernel: CPU: 0 Feb 13 14:58:07 guendel kernel: EIP: 0060:[<00000001>] Not tainted VLI Feb 13 14:58:07 guendel kernel: EFLAGS: 00210202 (2.6.15.4-mpa3-p4-smp) Feb 13 14:58:07 guendel kernel: EIP is at 0x1 Feb 13 14:58:07 guendel kernel: eax: 00000001 ebx: df8ea180 ecx: c3013fe0 edx: f6ce3e2c Feb 13 14:58:07 guendel kernel: esi: df8ea180 edi: f88cade0 ebp: f88cae2c esp: f6ce3de4 Feb 13 14:58:07 guendel kernel: ds: 007b es: 007b ss: 0068 Feb 13 14:58:07 guendel kernel: Process modprobe (pid: 6951, threadinfo=f6ce2000 task=f7976030) Feb 13 14:58:07 guendel kernel: Stack: f8935c90 f88cade0 df8ea180 000003e8 df8ea180 000003e8 f88cae2c f8934f39 Feb 13 14:58:07 guendel kernel: f88cade0 df8ea180 000003e8 f88cada0 c3023a1c c32fc030 02cccf60 c3023560 Feb 13 14:58:07 guendel kernel: 00000000 00000001 f6ce3e2c f6ce3e2c f88cade0 df8ea180 f88cada0 df8ea1cc Feb 13 14:58:07 guendel kernel: Call Trace: Feb 13 14:58:07 guendel kernel: [pg0+945478800/1070031872] i2c_op_done+0x54/0x67 [i2c_core] Feb 13 14:58:07 guendel kernel: [pg0+945475385/1070031872] i2c_perform_op_wait+0x173/0x185 [i2c_core] Feb 13 14:58:07 guendel kernel: [pg0+945478337/1070031872] i2c_smbus_xfer+0x92/0x11f [i2c_core] Feb 13 14:58:07 guendel kernel: [pg0+945477113/1070031872] i2c_smbus_write_block_data+0x5d/0x65 [i2c_core] Feb 13 14:58:07 guendel kernel: [vt_console_print+108/520] vt_console_print+0x6c/0x208 Feb 13 14:58:07 guendel kernel: [pg0+948592767/1070031872] ipmi_smb_detect_hardware+0xbf/0x364 [ipmi_smb] Feb 13 14:58:07 guendel kernel: [pg0+948593530/1070031872] smb_found_addr_proc+0x30/0x237 [ipmi_smb] Feb 13 14:58:07 guendel kernel: [pg0+945475970/1070031872] i2c_probe_address+0x9b/0xad [i2c_core] Feb 13 14:58:07 guendel kernel: [pg0+945476077/1070031872] i2c_probe+0x59/0x15f [i2c_core] Feb 13 14:58:07 guendel kernel: [pg0+948593482/1070031872] smb_found_addr_proc+0x0/0x237 [ipmi_smb] Feb 13 14:58:07 guendel kernel: [pg0+948594188/1070031872] attach_adapter+0x8b/0x92 [ipmi_smb] Feb 13 14:58:07 guendel kernel: [pg0+948593482/1070031872] smb_found_addr_proc+0x0/0x237 [ipmi_smb] Feb 13 14:58:07 guendel kernel: [pg0+945473058/1070031872] i2c_add_driver+0x91/0xb5 [i2c_core] Feb 13 14:58:07 guendel kernel: [pg0+945434774/1070031872] init_ipmi_smb+0x96/0xad [ipmi_smb] Feb 13 14:58:07 guendel kernel: [sys_init_module+181/421] sys_init_module+0xb5/0x1a5 Feb 13 14:58:07 guendel kernel: [sysenter_past_esp+84/117] sysenter_past_esp+0x54/0x75 Feb 13 14:58:07 guendel kernel: Code: Bad EIP value. Regards, Mirko ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ Openipmi-developer mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openipmi-developer
