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Date: Sat, 20 Oct 2012 23:15:17 +0000 (GMT) From: "Artem S. Tashkinov" <t.artem@...os.com> To: bp@...en8.de Cc: pavel@....cz, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, security@...nel.org, linux-media@...r.kernel.org, linux-usb@...r.kernel.org Subject: Re: Re: Re: A reliable kernel panic (3.6.2) and system crash when visiting a particular website You don't get me - I have *no* VirtualBox (or any proprietary) modules running - but I can reproduce this problem using *the same system running under* VirtualBox in Windows 7 64. It's almost definitely either a USB driver bug or video4linux driver bug: I'm CC'ing linux-media and linux-usb mailing lists, the problem is described here: https://lkml.org/lkml/2012/10/20/35 https://lkml.org/lkml/2012/10/20/148 Here are the last lines from my dmesg (with usbmon loaded): [ 292.164833] hub 1-0:1.0: state 7 ports 8 chg 0000 evt 0002 [ 292.168091] ehci_hcd 0000:00:1f.5: GetStatus port:1 status 00100a 0 ACK POWER sig=se0 PEC CSC [ 292.172063] hub 1-0:1.0: port 1, status 0100, change 0003, 12 Mb/s [ 292.174883] usb 1-1: USB disconnect, device number 2 [ 292.178045] usb 1-1: unregistering device [ 292.183539] usb 1-1: unregistering interface 1-1:1.0 [ 292.197034] usb 1-1: unregistering interface 1-1:1.1 [ 292.204317] usb 1-1: unregistering interface 1-1:1.2 [ 292.234519] usb 1-1: unregistering interface 1-1:1.3 [ 292.236175] usb 1-1: usb_disable_device nuking all URBs [ 292.364429] hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x100 [ 294.364279] hub 1-0:1.0: hub_suspend [ 294.366045] usb usb1: bus auto-suspend, wakeup 1 [ 294.367375] ehci_hcd 0000:00:1f.5: suspend root hub [ 296.501084] usb usb1: usb wakeup-resume [ 296.508311] usb usb1: usb auto-resume [ 296.509833] ehci_hcd 0000:00:1f.5: resume root hub [ 296.560149] hub 1-0:1.0: hub_resume [ 296.562240] ehci_hcd 0000:00:1f.5: GetStatus port:1 status 001003 0 ACK POWER sig=se0 CSC CONNECT [ 296.566141] hub 1-0:1.0: port 1: status 0501 change 0001 [ 296.670413] hub 1-0:1.0: state 7 ports 8 chg 0002 evt 0000 [ 296.673222] hub 1-0:1.0: port 1, status 0501, change 0000, 480 Mb/s [ 297.311720] usb 1-1: new high-speed USB device number 3 using ehci_hcd [ 300.547237] usb 1-1: skipped 1 descriptor after configuration [ 300.549443] usb 1-1: skipped 4 descriptors after interface [ 300.552273] usb 1-1: skipped 2 descriptors after interface [ 300.556499] usb 1-1: skipped 1 descriptor after endpoint [ 300.559392] usb 1-1: skipped 2 descriptors after interface [ 300.560960] usb 1-1: skipped 1 descriptor after endpoint [ 300.562169] usb 1-1: skipped 2 descriptors after interface [ 300.563440] usb 1-1: skipped 1 descriptor after endpoint [ 300.564639] usb 1-1: skipped 2 descriptors after interface [ 300.565828] usb 1-1: skipped 2 descriptors after endpoint [ 300.567084] usb 1-1: skipped 9 descriptors after interface [ 300.569205] usb 1-1: skipped 1 descriptor after endpoint [ 300.570484] usb 1-1: skipped 53 descriptors after interface [ 300.595843] usb 1-1: default language 0x0409 [ 300.602503] usb 1-1: USB interface quirks for this device: 2 [ 300.605700] usb 1-1: udev 3, busnum 1, minor = 2 [ 300.606959] usb 1-1: New USB device found, idVendor=046d, idProduct=081d [ 300.610298] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 300.613742] usb 1-1: SerialNumber: 48C5D2B0 [ 300.617703] usb 1-1: usb_probe_device [ 300.620594] usb 1-1: configuration #1 chosen from 1 choice [ 300.639218] usb 1-1: adding 1-1:1.0 (config #1, interface 0) [ 300.640736] snd-usb-audio 1-1:1.0: usb_probe_interface [ 300.642307] snd-usb-audio 1-1:1.0: usb_probe_interface - got id [ 301.050296] usb 1-1: adding 1-1:1.1 (config #1, interface 1) [ 301.054897] usb 1-1: adding 1-1:1.2 (config #1, interface 2) [ 301.056934] uvcvideo 1-1:1.2: usb_probe_interface [ 301.058072] uvcvideo 1-1:1.2: usb_probe_interface - got id [ 301.059395] uvcvideo: Found UVC 1.00 device <unnamed> (046d:081d) [ 301.090173] input: UVC Camera (046d:081d) as /devices/pci0000:00/0000:00:1f.5/usb1/1-1/1-1:1.2/input/input7 [ 301.111289] usb 1-1: adding 1-1:1.3 (config #1, interface 3) [ 301.131207] usb 1-1: link qh16-0001/f48d64c0 start 2 [1/0 us] [ 301.137066] usb 1-1: unlink qh16-0001/f48d64c0 start 2 [1/0 us] [ 301.156451] ehci_hcd 0000:00:1f.5: reused qh f48d64c0 schedule [ 301.158310] usb 1-1: link qh16-0001/f48d64c0 start 2 [1/0 us] [ 301.160238] usb 1-1: unlink qh16-0001/f48d64c0 start 2 [1/0 us] [ 301.196606] set resolution quirk: cval->res = 384 [ 371.309569] e1000: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX [ 390.729568] ehci_hcd 0000:00:1f.5: reused qh f48d64c0 schedule f5ade900 2296555[ 390.730023] usb 1-1: link qh16-0001/f48d64c0 start 2 [1/0 us] 437 S Ii:1:003:7[ 390.736394] usb 1-1: unlink qh16-0001/f48d64c0 start 2 [1/0 us] -115:128 16 < f5ade900 2296566256 C Ii:1:003:7 -2:128 0 [ 391.100896] ehci_hcd 0000:00:1f.5: reused qh f48d64c0 schedule [ 391.103188] usb 1-1: link qh16-0001/f48d64c0 start 2 [1/0 us] f5ade900 2296926929 S Ii:1:003:7[ 391.104889] usb 1-1: unlink qh16-0001/f48d64c0 start 2 [1/0 us] -115:128 16 < f5ade900 2296937889 C Ii:1:003:7 -2:128 0 f5272300 2310382508 S Co:1:003:0 s 01 0b 0004 0001 0000 0 f5272300 2310407888 C Co:1:003:0 0 0 f5272300 2310408051 S Co:1:003:0 s 22 01 0100 0086 0003 3 = 80bb00 f5272300 2310412456 C Co:1:003:0 0 3 > f5272300 2310412521 S Ci:1:003:0 s a2 81 0100 0086 0003 3 < f5272300 2310415909 C Ci:1:003:0 0 0 f5272300 2310418133 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f5272600 2310418219 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f52720c0 2310418239 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f5272a80 2310418247 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f5272480 2310418256 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f52723c0 2310418264 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f5272d80 2310418272 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < f5272b40 2310418280 S Zi:1:003:6 -115:8:0 1 -18:0:100 100 < Hard freeze with 100% CPU usage at this point as if some driver got into an infinite loop or something. All debug options from https://lkml.org/lkml/2012/10/20/116 are enabled, but serial console is empty. Best wishes, Artem On Oct 21, 2012, Borislav Petkov wrote: > I don't think that's the problem - I rather suspect the fact that he's > using virtualbox which is causing random corruptions by writing to > arbitrary locations. > > > > please remove virtualbox completely from your system, rebuild the kernel > and make sure the virtualbox kernel modules don't get loaded - simply > delete them so that they are completely gone; *and* *then* retest again. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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