hwmon/adt7470 crash on module load (2.6.37-rc1)

From: Randy Dunlap
Date: Thu Nov 04 2010 - 20:10:19 EST




Nov 4 15:56:17 control kernel: [ 173.105754] calling adt7470_init+0x0/0x27 [adt7470] @ 4392
Nov 4 15:56:18 [ 173.113711] i2c-core: driver [adt7470] registered
control kernel: [ 173.122202] i2c i2c-15: found normal entry for adapter 15, addr 0x2c
[ 173.105754] c[ 173.136181] i801_smbus 0000:00:1f.3: No response
[ 173.142478] i2c i2c-15: found normal entry for adapter 15, addr 0x2e
Nov 4 15:56:18 [ 173.151286] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 173.156502] last sysfs file: /sys/module/hwmon/initstate
[ 173.156502] CPU 1
[ 173.156502] Modules linked in: adt7470(+) ipt_MASQUERADE iptable_nat nf_nat af_packet nfsd lockd nfs_acl auth_rpcgss exportfs sco bridge stp llc bnep l2cap crc16 bluetooth rfkill sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 p4_clockmod freq_table speedstep_lib binfmt_misc dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod kvm uinput mousedev joydev ppdev snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm usbkbd snd_timer led_class usbmouse usbhid hid iTCO_wdt snd dcdbas iTCO_vendor_support sg sr_mod pcspkr i2c_i801 soundcore rtc_cmos cdrom parport_pc rng_core snd_page_alloc rtc_core tg3 rtc_lib parport 8250_pnp evdev mac_hid shpchp pci_hotplug unix ide_pci_generic ide_core ata_generic pata_acpi ata_piix sd_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ssb mmc_core pcmcia pcmcia_core firmware_clas!
s ehci_hcd usbcore nls_base i915 drm_kms_helper intel_agp button intel_gtt video thermal_sys hwmon output [last unloaded: ltc4245]
[ 173.156502]
[ 173.156502] Pid: 22, comm: kworker/1:1 Not tainted 2.6.37-rc1 #12 0HH807/OptiPlex GX620
[ 173.156502] RIP: 0010:[<ffffffff813ea532>] [<ffffffff813ea532>] check_modem_status+0xe7/0x29c
[ 173.308056] RSP: 0018:ffff88007c803e18 EFLAGS: 00010006
[ 173.308056] RAX: 6b6b6b6b6b6b6b6b RBX: ffffffff82a55400 RCX: 0000000000000100
[ 173.308056] RDX: 00000000260b260a RSI: 0000000000000028 RDI: 0000000000000006
[ 173.308056] RBP: ffff88007c803e58 R08: 0000000000000006 R09: 395099858027a0e6

<locked up tight here>

---
~Randy
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