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Date: Sun, 21 Oct 2012 14:03:54 +0200 From: Daniel Mack <zonque@...il.com> To: "Artem S. Tashkinov" <t.artem@...os.com> CC: bp@...en8.de, 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: A reliable kernel panic (3.6.2) and system crash when visiting a particular website On 21.10.2012 13:59, Artem S. Tashkinov wrote: > On Oct 21, 2012, Borislav Petkov wrote: >> >> On Sun, Oct 21, 2012 at 01:57:21AM +0000, Artem S. Tashkinov wrote: >>> The freeze happens on my *host* Linux PC. For an experiment I decided >>> to check if I could reproduce the freeze under a virtual machine - it >>> turns out the Linux kernel running under it also freezes. >> >> I know that - but a freeze != oops - at least not necessarily. Which >> means it could very well be a different issue now that vbox is gone. >> >> Or, it could be the same issue with different incarnations: with vbox >> you get the corruptions and without it, you get the freezes. I'm >> assuming you do the same flash player thing in both cases? >> >> Here's a crazy idea: can you try to reproduce it in KVM? > > OK, dismiss VBox altogether - it has a very buggy USB implementation, thus > it just hangs when trying to access my webcam. Ok. > What I've found out is that my system crashes *only* when I try to enable > usb-audio (from the same webcam) - I still have no idea how to capture a > panic message, but I ran > > "while :; do dmesg -c; done" in xterm, then I got like thousands of messages > and I photographed my monitor: > > http://imageshack.us/a/img685/9452/panicz.jpg A hint at least. How did you enable the audio record exactly? Can you reproduce this with arecord? What chipset are you on? Please provide both "lspci -v" and "lsusb -v" dumps. As I said, I fail to reproduce that issue on any of my machines. Daniel -- 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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