From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: 2.6.23-rc4: oops in evdev_disconnect Date: Thu, 11 Oct 2007 14:09:22 +0200 Message-ID: <470E1272.2030300@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Sender: owner-linux-input@atrey.karlin.mff.cuni.cz List-Help: List-Owner: List-Post: List-Unsubscribe: To: vojtech@suse.cz Cc: dmitry.torokhov@gmail.com, linux-input@atrey.karlin.mff.cuni.cz, Linux kernel mailing list List-Id: linux-input@vger.kernel.org Hi, after unplugging usb logitech mouse I got: input: Logitech Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:1d.3/usb5/5-2/5-2:1.0/input/input10 input: USB HID v1.11 Mouse [Logitech Logitech USB Optical Mouse] on usb-0000:00:1d.3-2 usb 5-2: USB disconnect, address 6 Unable to handle kernel paging request at 0000000000100100 RIP: [] evdev_disconnect+0xb4/0xf0 PGD 3e960067 PUD 3e287067 PMD 0 Oops: 0000 [1] PREEMPT SMP CPU 1 Modules linked in: mac80211 cfg80211 stk11xx v4l2_extension videodev v4l1_compat v4l2_common cpufreq_stats rfcomm l2cap hci_usb bluetooth kvm_intel kvm acpi_cpufreq arc4 ecb blkcipher cryptomgr crypto_algapi uhci_hcd ehci_hcd asus_laptop sr_mod cdrom battery Pid: 191, comm: khubd Not tainted 2.6.23-rc4 #36 RIP: 0010:[] [] evdev_disconnect+0xb4/0xf0 RSP: 0018:ffff81003fe47c80 EFLAGS: 00010216 RAX: 0000000000000000 RBX: 00000000000ffae8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff81003fe58e20 RDI: ffff810001e14d80 RBP: ffff81003e075888 R08: ffff81003fe46000 R09: ffff810001e12d68 R10: 0000000000000001 R11: ffffffff8046bd20 R12: ffff81003e075800 R13: ffff81003e075898 R14: 0000000000000000 R15: ffff81003d804c58 FS: 0000000000000000(0000) GS:ffff81003ffa3100(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000100100 CR3: 000000003f58d000 CR4: 00000000000026a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process khubd (pid: 191, threadinfo ffff81003fe46000, task ffff81003fe58e20) Stack: ffffffff80309790 ffff810036bd0918 ffff810036bd0000 ffff810036bd0940 ffff81003e075400 ffffffff803b3a6d ffff81003c031890 ffff8100271895c0 ffff81003c031890 ffffffff803cbdd9 ffff810004c24030 ffff810004c24000 Call Trace: [] kobject_release+0x0/0x10 [] input_unregister_device+0x8d/0x130 [] hidinput_disconnect+0x49/0x70 [] hid_disconnect+0xff/0x120 [] usb_unbind_interface+0x6d/0xe0 [] __device_release_driver+0x82/0xc0 [] device_release_driver+0x33/0x60 [] bus_remove_device+0x5b/0x90 [] device_del+0x16b/0x2b0 [] usb_disable_device+0x94/0x120 [] usb_disconnect+0xab/0x150 [] hub_thread+0x3e8/0xe20 [] thread_return+0x0/0x5a5 [] autoremove_wake_function+0x0/0x30 [] hub_thread+0x0/0xe20 [] kthread+0x4b/0x80 [] child_rip+0xa/0x12 [] kthread+0x0/0x80 [] child_rip+0x0/0x12 Code: 48 8b 83 18 06 00 00 0f 18 08 48 8d 83 18 06 00 00 48 39 e8 RIP [] evdev_disconnect+0xb4/0xf0 RSP CR2: 0000000000100100 It happened only once, so it's not easy to reproduce, is this known (fixed)? Any other info needed? regards, --js