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Message-ID: <e8ca35370809251327x19dd4731n18aafc6ca4f40d70@mail.gmail.com> Date: Thu, 25 Sep 2008 22:27:19 +0200 From: "Pascal Terjan" <pterjan@...il.com> To: "Alan Jenkins" <alan-jenkins@...fmail.co.uk> Cc: "Sitsofe Wheeler" <sitsofe@...oo.com>, linux-kernel <linux-kernel@...r.kernel.org>, "Corentin Chary" <corentincj@...aif.net>, acpi4asus-user@...ts.sourceforge.net Subject: Re: Turning off camera also kills card reader on EeePC 900 On Mon, Sep 15, 2008 at 3:37 PM, Alan Jenkins <alan-jenkins@...fmail.co.uk> wrote: > Sitsofe Wheeler wrote: > The "HC died" message is interesting. Sounds like the controller for > these two USB devices stops working. Maybe try unloading and reloading > the ehci module? I don't think I can help any more though. The issue also exist on 701 on 2.6.27-rc7 so the regression is in the kernel not in the hardware Disabling camera : ehci_hcd 0000:00:1d.7: HC died; cleaning up hub 1-0:1.0: hub_port_status failed (err = -19) hub 1-0:1.0: connect-debounce failed, port 8 disabled usb 1-8: USB disconnect, address 3 usb 1-5: USB disconnect, address 2 Enabling it again : irq 23: nobody cared (try booting with the "irqpoll" option) Pid: 0, comm: swapper Not tainted 2.6.27-desktop-0.rc6.3.2mnb #1 [<c0380022>] ? printk+0x18/0x1e [<c016bdc7>] __report_bad_irq+0x27/0x90 [<c016c08c>] note_interrupt+0x25c/0x290 [<c016aef9>] ? handle_IRQ_event+0x39/0x70 [<c016c63b>] handle_fasteoi_irq+0xab/0xd0 [<c0106eb0>] do_IRQ+0x40/0x80 [<c01048bf>] common_interrupt+0x23/0x28 [<c0150eba>] ? tick_nohz_stop_sched_tick+0xca/0x350 [<c01027aa>] cpu_idle+0x2a/0x130 [<c0372b3e>] rest_init+0x4e/0x60 ======================= handlers: [<e005b800>] (usb_hcd_irq+0x0/0x90 [usbcore]) [<e005b800>] (usb_hcd_irq+0x0/0x90 [usbcore]) Disabling IRQ #23 Reloading ehci_hcd ehci_hcd 0000:00:1d.7: remove, state 0 usb usb1: USB disconnect, address 1 ehci_hcd 0000:00:1d.7: USB bus 1 deregistered ehci_hcd 0000:00:1d.7: PCI INT A disabled usb 4-1: new full speed USB device using uhci_hcd and address 2 usb 4-1: configuration #1 chosen from 1 choice scsi3 : SCSI emulation for USB Mass Storage devices usb 4-1: New USB device found, idVendor=0951, idProduct=1606 usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=4 usb 4-1: Product: UB6225 usb 4-1: Manufacturer: ENE usb 4-1: SerialNumber: 146030377350 usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning usb 5-2: new full speed USB device using uhci_hcd and address 2 usb 5-2: configuration #1 chosen from 1 choice uvcvideo: Found UVC 1.00 device <unnamed> (eb1a:2761) uvcvideo: Using UVC_MAX_ISO_PACKETS=40 input: UVC Camera (eb1a:2761) as /class/input/input10 usb 5-2: New USB device found, idVendor=eb1a, idProduct=2761 usb 5-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usbcore: registered new interface driver ub ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23 ehci_hcd 0000:00:1d.7: setting latency timer to 64 ehci_hcd 0000:00:1d.7: EHCI Host Controller ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1 ehci_hcd 0000:00:1d.7: debug port 1 ehci_hcd 0000:00:1d.7: cache line size of 32 is not supported ehci_hcd 0000:00:1d.7: irq 23, io mem 0xf7eb7c00 ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 8 ports detected uvcvideo: Non-zero status (-84) in status completion handler. usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: EHCI Host Controller usb usb1: Manufacturer: Linux 2.6.27-desktop-0.rc6.3.2mnb ehci_hcd usb usb1: SerialNumber: 0000:00:1d.7 usb 4-1: USB disconnect, address 2 usb 5-2: USB disconnect, address 2 usb 1-5: new high speed USB device using ehci_hcd and address 2 usb 1-5: configuration #1 chosen from 1 choice scsi4 : SCSI emulation for USB Mass Storage devices usb 1-5: New USB device found, idVendor=0951, idProduct=1606 usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=4 usb 1-5: Product: UB6225 usb 1-5: Manufacturer: ENE usb 1-5: SerialNumber: 146030377350 usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning usb 1-8: new high speed USB device using ehci_hcd and address 3 usb 1-8: configuration #1 chosen from 1 choice uvcvideo: Found UVC 1.00 device <unnamed> (eb1a:2761) uvcvideo: Using UVC_MAX_ISO_PACKETS=40 input: UVC Camera (eb1a:2761) as /class/input/input11 usb 1-8: New USB device found, idVendor=eb1a, idProduct=2761 usb 1-8: New USB device strings: Mfr=0, Product=0, SerialNumber=0 scsi 4:0:0:0: Direct-Access USB2.0 CardReader SD0 0100 PQ: 0 ANSI: 0 sd 4:0:0:0: [sdb] Attached SCSI removable disk sd 4:0:0:0: Attached scsi generic sg1 type 0 usb-storage: device scan complete Disabling camera: eeepc: switch_camera from 1 ehci_hcd 0000:00:1d.7: HC died; cleaning up hub 1-0:1.0: hub_port_status failed (err = -19) hub 1-0:1.0: connect-debounce failed, port 8 disabled usb 1-8: USB disconnect, address 3 usb 1-5: USB disconnect, address 2 Reloading ehci_hcd: ehci_hcd 0000:00:1d.7: remove, state 0 usb usb1: USB disconnect, address 1 ehci_hcd 0000:00:1d.7: USB bus 1 deregistered ehci_hcd 0000:00:1d.7: PCI INT A disabled usb 4-1: new full speed USB device using uhci_hcd and address 3 usb 4-1: configuration #1 chosen from 1 choice scsi5 : SCSI emulation for USB Mass Storage devices usb 4-1: New USB device found, idVendor=0951, idProduct=1606 usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=4 usb 4-1: Product: UB6225 usb 4-1: Manufacturer: ENE usb 4-1: SerialNumber: 146030377350 usb-storage: device found at 3 usb-storage: waiting for device to settle before scanning ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23 ehci_hcd 0000:00:1d.7: setting latency timer to 64 ehci_hcd 0000:00:1d.7: EHCI Host Controller ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1 ehci_hcd 0000:00:1d.7: debug port 1 ehci_hcd 0000:00:1d.7: cache line size of 32 is not supported ehci_hcd 0000:00:1d.7: irq 23, io mem 0xf7eb7c00 ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 8 ports detected usb 4-1: USB disconnect, address 3 usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: EHCI Host Controller usb usb1: Manufacturer: Linux 2.6.27-desktop-0.rc6.3.2mnb ehci_hcd usb usb1: SerialNumber: 0000:00:1d.7 usb 1-5: new high speed USB device using ehci_hcd and address 2 usb 1-5: configuration #1 chosen from 1 choice scsi6 : SCSI emulation for USB Mass Storage devices usb 1-5: New USB device found, idVendor=0951, idProduct=1606 usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=4 usb 1-5: Product: UB6225 usb 1-5: Manufacturer: ENE usb 1-5: SerialNumber: 146030377350 usb-storage: device found at 2 usb-storage: waiting for device to settle before scanning scsi 6:0:0:0: Direct-Access USB2.0 CardReader SD0 0100 PQ: 0 ANSI: 0 sd 6:0:0:0: [sdb] Attached SCSI removable disk sd 6:0:0:0: Attached scsi generic sg1 type 0 usb-storage: device scan complete Enabling camera: eeepc: switch_camera from 0 usb 1-8: new high speed USB device using ehci_hcd and address 3 usb 1-8: configuration #1 chosen from 1 choice uvcvideo: Found UVC 1.00 device <unnamed> (eb1a:2761) uvcvideo: Using UVC_MAX_ISO_PACKETS=40 input: UVC Camera (eb1a:2761) as /class/input/input12 usb 1-8: New USB device found, idVendor=eb1a, idProduct=2761 usb 1-8: New USB device strings: Mfr=0, Product=0, SerialNumber=0 So it looks like an ehci_hcd issue when the camera is disabled -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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