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Date: Sun, 23 Dec 2012 14:35:49 -0800 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Woody Suwalski <terraluna977@...il.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, USB list <linux-usb@...r.kernel.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Linux 3.8-rc1 - another regression on USB :-( Woody, Any chance you can bisect this? It's not going to be hugely pleasant (with 11k+ commits in between 3.7 and 3.8-rc1 you'll have to compile and test at least 14 kernels), but it would help enormously. Of course, maybe some USB person can guess what would cause the device to go offline.. Added Greg and the linux-usb mailing list to the participants list: the images are in the original email on lkml, but there isn't anything particularly interesting there, it really just seems to be an unexpected and spurious USB disconnect, resulting in "USB disconnect, device number 2" followed by "Rejecting I/O to offline device". Linus On Sun, Dec 23, 2012 at 12:08 PM, Woody Suwalski <terraluna977@...il.com> wrote: > I see a regression with USB subsystem when reading from a USB key. > I have a live squashfs image, which suddenly has stopped working. > It seems that USB prints this sequence: > > rejecting I/O to offline device > killing request > Unhandled error code > > I could not safe an actual dmesg - USB was dead... > So I attach snapshots in place... > > The same squashfs seems OK with 3.7.1 > The same squashfs seems OK when run from ATAPIIX with 3.8-rc1 > So it looks like USB... > > Woody > -- 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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