Looks like the recent visor.c changes.
Begin forwarded message: Date: Sun, 24 Oct 2004 18:14:38 +0200 From: Grzegorz Piotr Jaskiewicz <[EMAIL PROTECTED]> To: Andrew Morton <[EMAIL PROTECTED]> Subject: palm on usb segfaults mm kernel Hi I've tried recently Zire Palm attached to my laptop running 2.6.9-mm1, and it segfaults on device open: Oct 24 18:06:06 thinkpaddie kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Oct 24 18:06:06 thinkpaddie kernel: printing eip: Oct 24 18:06:06 thinkpaddie kernel: e0f9902f Oct 24 18:06:06 thinkpaddie kernel: *pde = 00000000 Oct 24 18:06:06 thinkpaddie kernel: Oops: 0002 [#4] Oct 24 18:06:06 thinkpaddie kernel: Modules linked in: serial_cs visor usbserial ipv6 ohci_hcd ehci_hcd i2c_piix4 uh ci_hcd usbcore snd_cs46xx snd_rawmidi snd_seq_device snd_ac97_codec pciehp shpchp intel_agp parport_pc parport 8250_ pnp 8250 serial_core irtty_sir sir_dev irda evdev snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd nvr am agpgart ieee1394 pcmcia yenta_socket pcmcia_core ide_cd cdrom ide_scsi scsi_mod 3c59x mii nfs lockd sunrpc af_pac ket rtc Oct 24 18:06:06 thinkpaddie kernel: CPU: 0 Oct 24 18:06:06 thinkpaddie kernel: EIP: 0060:[pg0+548540463/1069048832] Not tainted VLI Oct 24 18:06:06 thinkpaddie kernel: EFLAGS: 00010082 (2.6.9-mm1) Oct 24 18:06:06 thinkpaddie kernel: EIP is at visor_open+0x2f/0x1f0 [visor] Oct 24 18:06:06 thinkpaddie kernel: eax: 00000282 ebx: 00000000 ecx: c292d000 edx: e0f9d280 Oct 24 18:06:06 thinkpaddie kernel: esi: d8fd7be0 edi: d3573c00 ebp: d1c53ea8 esp: d1c53e88 Oct 24 18:06:06 thinkpaddie kernel: ds: 007b es: 007b ss: 0068 Oct 24 18:06:06 thinkpaddie kernel: Process kpilotDaemon (pid: 7431, threadinfo=d1c52000 task=d1247ac0) Oct 24 18:06:06 thinkpaddie kernel: Stack: 000000d0 e0fc86f9 00000006 d8fd7be0 d1c53ea8 d3573c00 d8fd7be0 c292d000 Oct 24 18:06:06 thinkpaddie kernel: d1c53ecc e0fc53ea d3573c00 c1765ec0 d0dae0e0 00000000 ffffffed c1765ec0 Oct 24 18:06:06 thinkpaddie kernel: 00000000 d1c53efc c0278925 c292d000 c1765ec0 d1c53ee8 00000802 0bc00006 Oct 24 18:06:06 thinkpaddie kernel: Call Trace: Oct 24 18:06:06 thinkpaddie kernel: [show_stack+127/160] show_stack+0x7f/0xa0 Oct 24 18:06:06 thinkpaddie kernel: [show_registers+342/464] show_registers+0x156/0x1d0 Oct 24 18:06:06 thinkpaddie kernel: [die+200/336] die+0xc8/0x150 Oct 24 18:06:06 thinkpaddie kernel: [do_page_fault+1126/1671] do_page_fault+0x466/0x687 Oct 24 18:06:06 thinkpaddie kernel: [error_code+45/56] error_code+0x2d/0x38 Oct 24 18:06:06 thinkpaddie kernel: [pg0+548721642/1069048832] serial_open+0xca/0x120 [usbserial] Oct 24 18:06:06 thinkpaddie kernel: [tty_open+469/704] tty_open+0x1d5/0x2c0 Oct 24 18:06:06 thinkpaddie kernel: [chrdev_open+136/336] chrdev_open+0x88/0x150 Oct 24 18:06:06 thinkpaddie kernel: [dentry_open+385/496] dentry_open+0x181/0x1f0 Oct 24 18:06:06 thinkpaddie kernel: [filp_open+90/96] filp_open+0x5a/0x60 Oct 24 18:06:06 thinkpaddie kernel: [sys_open+70/144] sys_open+0x46/0x90 Oct 24 18:06:06 thinkpaddie kernel: [syscall_call+7/11] syscall_call+0x7/0xb Oct 24 18:06:06 thinkpaddie kernel: Code: 56 53 83 ec 14 a1 40 d6 f9 e0 8b 7d 08 85 c0 8b 37 8b 9f ec 00 00 00 0f 85 ff 00 00 00 8b 47 20 85 c0 0f 84 8a 01 00 00 9c 58 fa <c7> 03 00 00 00 00 c7 43 04 00 00 00 00 c7 43 08 00 00 00 00 50 Oct 24 18:11:35 thinkpaddie kernel: CPU: 0 Oct 24 18:11:35 thinkpaddie kernel: EIP: 0060:[pg0+548540463/1069048832] Not tainted VLI Oct 24 18:11:35 thinkpaddie kernel: EFLAGS: 00210082 (2.6.9-mm1) Oct 24 18:11:35 thinkpaddie kernel: EIP is at visor_open+0x2f/0x1f0 [visor] Oct 24 18:11:35 thinkpaddie kernel: eax: 00200282 ebx: 00000000 ecx: d5ee5000 edx: e0f9d280 Oct 24 18:11:35 thinkpaddie kernel: esi: ceaf8c60 edi: d1765200 ebp: de853ea8 esp: de853e88 Oct 24 18:11:35 thinkpaddie kernel: ds: 007b es: 007b ss: 0068 Oct 24 18:11:35 thinkpaddie kernel: Process pilot-manager (pid: 8375, threadinfo=de852000 task=d1756580) Oct 24 18:11:35 thinkpaddie kernel: Stack: 000000d0 e0fc86f9 00000008 ceaf8c60 de853ea8 d1765200 ceaf8c60 d5ee5000 Oct 24 18:11:35 thinkpaddie kernel: de853ecc e0fc53ea d1765200 c9011b00 cbac3ae0 00000000 ffffffed c9011b00 Oct 24 18:11:35 thinkpaddie kernel: 00000000 de853efc c0278925 d5ee5000 c9011b00 de853ee8 00000802 0bc00008 Oct 24 18:11:35 thinkpaddie kernel: Call Trace: Oct 24 18:11:35 thinkpaddie kernel: [show_stack+127/160] show_stack+0x7f/0xa0 Oct 24 18:11:35 thinkpaddie kernel: [show_registers+342/464] show_registers+0x156/0x1d0 Oct 24 18:11:35 thinkpaddie kernel: [die+200/336] die+0xc8/0x150 Oct 24 18:11:35 thinkpaddie kernel: [do_page_fault+1126/1671] do_page_fault+0x466/0x687 Oct 24 18:11:35 thinkpaddie kernel: [error_code+45/56] error_code+0x2d/0x38 Oct 24 18:11:35 thinkpaddie kernel: [pg0+548721642/1069048832] serial_open+0xca/0x120 [usbserial] Oct 24 18:11:35 thinkpaddie kernel: [tty_open+469/704] tty_open+0x1d5/0x2c0 Oct 24 18:11:35 thinkpaddie kernel: [chrdev_open+136/336] chrdev_open+0x88/0x150 Oct 24 18:11:35 thinkpaddie kernel: [dentry_open+385/496] dentry_open+0x181/0x1f0 Oct 24 18:11:35 thinkpaddie kernel: [filp_open+90/96] filp_open+0x5a/0x60 Oct 24 18:11:35 thinkpaddie kernel: [sys_open+70/144] sys_open+0x46/0x90 Oct 24 18:11:35 thinkpaddie kernel: [syscall_call+7/11] syscall_call+0x7/0xb Oct 24 18:11:35 thinkpaddie kernel: Code: 56 53 83 ec 14 a1 40 d6 f9 e0 8b 7d 08 85 c0 8b 37 8b 9f ec 00 00 00 0f 85 ff 00 00 00 8b 47 20 85 c0 0f 84 8a 01 00 00 9c 58 fa <c7> 03 00 00 00 00 c7 43 04 00 00 00 00 c7 43 08 00 00 00 00 50 kernel is compiled with gcc 3.4.2, this is debian testing. Laptop is, T22 Thinkpad. -- GJ ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
