Hello, Has anyone else already tried to boot kernel 3.17-rc1 on an IB system ? The following call trace is triggered during boot on a system on which kernel 3.16 runs fine:
BUG: unable to handle kernel paging request at ffff88090000007e IP: __dev_queue_xmit+0x519 Call Trace: ? __dev_queue_xmit+0x49 dev_queue_xmit+0x10 neigh_connected_output ? ip_finish_output ip_finish_output ? ip_finish_output ? netif_rx_ni ip_mc_output ip_local_out_sk ip_send_skb udp_send_skb udp_sendmsg ? ip_reply_glue_bits ? __lock_is_held inet_sendmsg ? inet_sendmsg sock_sendmsg ? might_fault ? might_fault ? move_addr_to_kernel.part.38 SYSC_sendto ? sysret_check ? trace_hardirqs_on_caller ? trace_hardirqs_on_thunk SyS_sendto system_call_fastpath Kernel panic - not syncing: Fatal exception in interrupt Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) drm_kms_helper: panic occurred, switching back to text console A screenshot of this kernel oops can be found here: https://drive.google.com/file/d/0B1YQOreL3_FxVDB5UTNwekF6LVU/ gdb translates the crash address into the following (not sure this makes sense since offset 0x519 is past the end of __dev_queue_xmit()): (gdb) list *(__dev_queue_xmit+0x519) 0xffffffff8136bc89 is in netdev_adjacent_rename_links (net/core/dev.c:5167). 5162 void netdev_adjacent_rename_links(struct net_device *dev, char *oldname) 5163 { 5164 struct netdev_adjacent *iter; 5165 5166 list_for_each_entry(iter, &dev->adj_list.upper, list) { 5167 netdev_adjacent_sysfs_del(iter->dev, oldname, 5168 &iter->dev->adj_list.lower); 5169 netdev_adjacent_sysfs_add(iter->dev, dev, 5170 &iter->dev->adj_list.lower); 5171 } And the address __dev_queue_xmit+0x49 is translated by gdb into: (gdb) list *(__dev_queue_xmit+0x49) 0xffffffff8136b7b9 is in __dev_queue_xmit (./arch/x86/include/asm/preempt.h:75). 70 * The various preempt_count add/sub methods 71 */ 72 73 static __always_inline void __preempt_count_add(int val) 74 { 75 raw_cpu_add_4(__preempt_count, val); 76 } 77 78 static __always_inline void __preempt_count_sub(int val) 79 { Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
