On Thu, Jan 11, 2007 at 03:42:06PM +0530, Mahipal Reddy wrote: > > > Hi, > > I am porting a USB-to-serial & parallel driver to 2.6.17.7 Which one? Have a link to it anywhere? > I can load the driver, but couldn't unload it. > (But It is working fine in 2.6.19 , 2.6.18 &FC4) > > The following are the log messages: > > make: *** [unload] Segmentation fault > kernel BUG at kernel/workqueue.c:110! > invalid opcode: 0000 [#1] > > Modules linked in: mos7715 Ah, this one? Haven't seen that one before, is it like the mos7720 and mos7840 drivers? > savage drm usbserial nfsd exportfs lockd nfs_acl irnet ppp_generic slhc irtty_sir sir_dev ircomm_tty ircomm autofs4 hidp rfcomm l2cap bluetooth sunrpc usbnet dm_mirror dm_mod video button battery ac ipv6 parport_pc parport floppy nvram uhci_hcd ehci_hcd snd_via82xx gameport snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss snd_pcm i2c_prosavage i2c_algo_bit via_ircc snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device 8139too irda crc_ccitt i2c_viapro i2c_core snd soundcore 8139cp mii sata_via libata sd_mod scsi_mod > > Call Trace: > <cebdb765> usb_serial_disconnect+0x54/0x94 [usbserial] <c026e058> usb_unbind_interface+0x34/0x6a > <c0235f8c> __device_release_driver+0x60/0x78 <c023625e> driver_detach+0x97/0xc5 > <c023578c> bus_remove_driver+0x5a/0x78 <c023636c> driver_unregister+0x8/0x13 > <c026df4c> usb_deregister+0x7f/0x87 <cec4821a> moschip7715_exit+0x1e/0x40 [mos7715] > <c012f4b1> sys_delete_module+0x15b/0x182 <c02ef3e9> do_page_fault+0x221/0x584 > <c01029ef> sysenter_past_esp+0x54/0x75 > Code: 58 89 d8 5b 5e 5f e9 92 7d 1c 00 8b 48 14 89 c2 8b 01 eb ae 53 89 c3 0f ba 2a 00 19 c0 31 c9 85 c0 75 1c 8d 42 04 39 42 04 74 08 <0f> 0b 6e 00 6d d5 30 c0 8b 03 e8 88 ff ff ff b9 01 00 00 00 5b > EIP: [<c01268f5>] queue_work+0x17/0x2f SS:ESP 0068:c4185ee8 > > Any help on this is appriciated. That's an odd traceback. Is the device port still open? Why the 2.6.17.7 kernel, that too is an odd kernel version (what distro uses it?) thanks, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
