On 06/06/2015 02:07 AM, Tomasz Chmielewski wrote: > 4.1-rc6, busy filesystem. > > I was running mongo import which made quite a lot of IO. > During the import, I did "chattr +C /var/lib/mongodb" - shortly after I > saw this in dmesg and server died: > > [57860.149839] BUG: unable to handle kernel NULL pointer dereference at > 0000000000000008 > [57860.149877] IP: [<ffffffffc0158b8e>] > btrfs_wait_pending_ordered+0x5e/0x110 [btrfs] Sorry, it's not obvious where the 0000000000000008 is coming from, can you turn btrfs_wait_pending_ordered+0x5e/0x110 into a line number? Use list *btrfs_wait_pending_ordered+0x5e at the gdb prompt, after you gdb btrfs.ko -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
