Hi, On Thu, Jul 31, 2014 at 10:41:36PM +0800, Jiang Liu wrote: > Really appreciate your help. There are two issues left > according to the log messages. first of all: A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? So please refrain from top-posting on lkml. > The first issue is " WARNING: CPU: 2 PID: 3786 at > fs/proc/generic.c:521 remove_proc_entry+0x19c/0x1b0()". > It's caused by an issue in usb driver and a patch is ready to fix > this issue, please refer to https://lkml.org/lkml/2014/7/20/277. > This patch has been merged into Greg's usb repository, so it should > be merge into v3.17 too. I can apply this patch to test. > The second issue is "AMD-Vi: Event logged [IO_PAGE_FAULT > device=00:12.0 domain=0x0009 address=0x0000000000000000 flags=0x0000]". > I feel it's not caused by IRQ related changes, but may be caused > by IO page fault related work for AMD IOMMU. I need more time > to investigate this and also CC Joerg for help too. I don't think that's the issue - plain rc7 doesn't trigger the issue. Only if I merge tip/master in it happens. And there are no AMD iommu patches in tip/master since Joerg doesn't send stuff through tip anymore. > According to the log message, I feel my patch has fixed the > original issue caused by IRQ related changes. What's your thoughts? I still think the issue is in tip/master. I'm currently trying to reproduce on another box so that I can bisect it. (Bisecting on my workstation is always nasty :-\). Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html