https://bugzilla.kernel.org/show_bug.cgi?id=90601 --- Comment #4 from merlin@xxxxxxxxxxxxxxxxxx --- Hi Kashyap, 1. I enabled CONFIG_DMA_API_DEBUG , strangely enough after enabling it I couldn't even boot into the system anymore because it would crash when trying to access the root partition (after the kernel image was loaded). I think the problem was the initial xfs_repair that is done on bootup. So I took the same kernel and copied it to a USB device and booted from that on the same host into a system that also resides on the USB disk. Then I mounted /dev/sda (which is the first device on the raid controller which is the root partition). Then I tried to reproduce the panic with the simple dd that was used before without success. I then compiled the kernel sources with -j25 on the mounted root partition 2 times without any problems. Then I chrooted onto that partition and did the same and could finally reproduce the crash. I am not sure if that backtrace is more useful though. I have also attached the /var/log/messages but of course that crash wasn't saved in it. I also added my kernel config. -- You are receiving this mail because: You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
