Messages in this thread | | | Subject | [USB, 2.6.5] NULL pointer deref. at virt. address | From | Ian Kumlien <> | Date | Mon, 05 Apr 2004 02:56:55 +0200 |
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Hi, I haven't seen anything about this on LKML yet (via marc.theaimsgroup.com) but it might have been reported.
This is on boot, prior to mounting root fs. EHCI usb is used, reproducable on 2 types of hardware, mail me if you want more information.
PS. CC since i'm not subbed. DS.
usb 3-2.3: new full speed USB device using address 6 Unable to handle kernel NULL pointer dereference at virtual address 00000004 printing eip: c029ff5b *pde = 00000000 Oops: 0000 [#1] PREEMPT CPU: 0 EIP: 0060:[<c029ff5b>] Not tainted EFLAGS: 00010246 (2.6.5) EIP is at usb_disable_interface+0xb/0x40 eax: f76f3400 ebx: 00000000 ecx: c1b70000 edx: f7bcf080 esi: 00000001 edi: 00000000 ebp: f76f3400 esp: c1b71d7c ds: 007b es: 007b ss: 0068 Process khubd (pid: 5, threadinfo=c1b70000 task=c1a3e040) Stack: f76f3400 00000001 00000002 f7780770 c02a0183 00000001 00000002 00000001 00000000 00000000 00001388 00000000 f7bcf080 00000000 f7780680 f7780738 f74a0ec0 c02d4e90 ddc5892a 0000000a 00000018 00000003 00000002 00000001 Call Trace: [<c02a0183>] usb_set_interface+0x93/0x150 [<c02d4e90>] hci_usb_probe+0x210/0x450 [<c029a933>] usb_probe_interface+0x53/0x70 [<c0253102>] bus_match+0x32/0x60 [<c025316a>] device_attach+0x3a/0x90 [<c0185038>] sysfs_create_group+0x48/0x80 [<c0253334>] bus_add_device+0x54/0x90 [<c02523a4>] device_add+0x94/0x110 [<c02a04de>] usb_set_configuration+0x1be/0x250 [<c029b63e>] usb_new_device+0x22e/0x3a0 [<c011ea1d>] printk+0x11d/0x170 [<c029cde9>] hub_port_connect_change+0x159/0x250 [<c029d169>] hub_events+0x289/0x300 [<c029d20b>] hub_thread+0x2b/0xe0 [<c011aec0>] default_wake_function+0x0/0x10 [<c029d1e0>] hub_thread+0x0/0xe0 [<c01052dd>] kernel_thread_helper+0x5/0x18 Code: 80 7b 04 00 74 1d 31 f6 8b 43 0c 47 0f b6 54 30 02 83 c6 14
-- Ian Kumlien <pomac () vapor ! com> -- http://pomac.netswarm.net [unhandled content-type:application/pgp-signature] | |