>-----Original Message----- >From: Ben Greear [mailto:[email protected]] >Sent: Tuesday, July 24, 2012 2:46 PM >To: e1000-devel list; netdev >Subject: [E1000-devel] Crash in e1000e, 3.3.8+ (tainted) > >We have a somewhat reproducible crash using a 6-port NIC with 3.3.8+ >kernel. This kernel is tainted with a proprietary module, but the module >is not in use. > >The rx-all and related patches that were later accepted upstream have been >applied to this kernel. > >It seems that buffer_info is NULL in the code below? > > >(gdb) list e1000_alloc_rx_buffers+0x5b >Junk at end of line specification. >(gdb) list *(e1000_alloc_rx_buffers+0x5b) >0x15822 is in e1000_alloc_rx_buffers (/home/greearb/git/linux- >3.3.dev.y/drivers/net/ethernet/intel/e1000e/netdev.c:611). >606 >607 i = rx_ring->next_to_use; >608 buffer_info = &rx_ring->buffer_info[i]; >609 >610 while (cleaned_count--) { >611 skb = buffer_info->skb; >612 if (skb) { >613 skb_trim(skb, 0); >614 goto map_skb; >615 } >(gdb) > > Ben,
This looks familiar to me, I believe this is due to race between adapter reset and e1000_close. Let me check if we have fix upstream or not. -Tushar > >ADDRCONF(NETDEV_UP): rddVR1-p: link is not ready >ADDRCONF(NETDEV_UP): eth16: link is not ready >8021q: adding VLAN 0 to HW filter on device eth16 >e1000e: eth17 NIC Link is Down >e1000e 0000:04:00.1: eth17: Reset adapter ------------[ cut here ]-------- >---- >WARNING: at /home/greearb/git/linux- >3.3.dev.y/drivers/net/ethernet/intel/e1000e/netdev.c:3937 >e1000_close+0x38/0x134 [e1000e]() Hardware name: To be filled by O.E.M. >Modules linked in: veth 8021q garp stp llc fuse macvlan wanlink(PO) pktgen >sbs sbshc f71882fg coretemp hwmon sunrpc ipv6 uinput snd_hda_codec_realtek >snd_hda_intel ath9k snd_hda_codec mac80211 joydev snd_hwdep snd_seq >ath9k_common ath9k_hw snd_seq_device snd_pcm ath snd_timer e1000e snd >mei(C) microcode >cfg80211 ppdev i2c_i801 soundcore serio_raw pcspkr snd_page_alloc iTCO_wdt >iTCO_vendor_support parport_pc parport i915 drm_kms_helper drm >i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] >Pid: 2360, comm: ip Tainted: P C O 3.3.8+ #51 >Call Trace: > [<ffffffff81055bd1>] warn_slowpath_common+0x80/0x98 > [<ffffffff81055bfe>] warn_slowpath_null+0x15/0x17 > [<ffffffffa0199f49>] e1000_close+0x38/0x134 [e1000e] > [<ffffffff8141239f>] __dev_close_many+0x88/0xb9 > [<ffffffff81412401>] __dev_close+0x31/0x42 > [<ffffffff8140fd39>] __dev_change_flags+0xb9/0x13c > [<ffffffff81412d48>] dev_change_flags+0x1c/0x52 > [<ffffffff8141dfac>] do_setlink+0x2b8/0x7ca > [<ffffffff8141cfd7>] ? rtnl_fill_ifinfo+0x9f1/0xab1 > [<ffffffff8141e7f3>] rtnl_newlink+0x266/0x4b7 > [<ffffffff8141e630>] ? rtnl_newlink+0xa3/0x4b7 > [<ffffffff8141db55>] ? rtnl_dump_ifinfo+0x134/0x15d > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffff814c9382>] ? sub_preempt_count+0x92/0xa5 > [<ffffffff811d7328>] ? security_capable+0x13/0x15 > [<ffffffff8141d78b>] rtnetlink_rcv_msg+0x21e/0x23b > [<ffffffff8141d56d>] ? rtnetlink_rcv+0x28/0x28 > [<ffffffff8142fbb6>] netlink_rcv_skb+0x3e/0x8f > [<ffffffff8141d566>] rtnetlink_rcv+0x21/0x28 > [<ffffffff8142f991>] netlink_unicast+0xe9/0x152 > [<ffffffff814300ea>] netlink_sendmsg+0x1f8/0x216 > [<ffffffff813fed37>] __sock_sendmsg_nosec+0x5f/0x6a > [<ffffffff813fed7f>] __sock_sendmsg+0x3d/0x48 > [<ffffffff813ff61f>] sock_sendmsg+0xa3/0xbc > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffff814c9382>] ? sub_preempt_count+0x92/0xa5 > [<ffffffff814c623b>] ? _raw_spin_unlock+0x28/0x33 > [<ffffffff810e73ae>] ? do_wp_page+0x548/0x5af > [<ffffffff813fe77d>] ? copy_from_user+0x9/0xb > [<ffffffff813ff2c7>] ? move_addr_to_kernel+0x2b/0x65 > [<ffffffff814099b1>] ? copy_from_user+0x9/0xb > [<ffffffff81409cfe>] ? verify_iovec+0x4f/0xa3 > [<ffffffff813ffd81>] __sys_sendmsg+0x20f/0x29c > [<ffffffff810e8241>] ? handle_mm_fault+0x1ac/0x1c4 > [<ffffffff814c9195>] ? do_page_fault+0x2de/0x350 > [<ffffffff810ebdd3>] ? do_brk+0x2b8/0x31a > [<ffffffff813fff6b>] sys_sendmsg+0x3d/0x5b > [<ffffffff814cb0f9>] system_call_fastpath+0x16/0x1b ---[ end trace >059af067cdc81b69 ]--- >BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 >IP: [<ffffffffa019a7fe>] e1000_alloc_rx_buffers+0x5b/0x162 [e1000e] PGD 0 >Oops: 0000 [#1] PREEMPT SMP >CPU 2 >Modules linked in: veth 8021q garp stp llc fuse macvlan wanlink(PO) pktgen >sbs sbshc f71882fg coretemp hwmon sunrpc ipv6 uinput snd_hda_codec_realtek >snd_hda_intel ath9k snd_hda_codec mac80211 joydev snd_hwdep snd_seq >ath9k_common ath9k_hw snd_seq_device snd_pcm ath snd_timer e1000e snd >mei(C) microcode >cfg80211 ppdev i2c_i801 soundcore serio_raw pcspkr snd_page_alloc iTCO_wdt >iTCO_vendor_support parport_pc parport i915 drm_kms_helper drm >i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] > >Pid: 140, comm: kworker/2:1 Tainted: P WC O 3.3.8+ #51 To be filled >by O.E.M. To be filled by O.E.M./To be filled by O.E.M. >RIP: 0010:[<ffffffffa019a7fe>] [<ffffffffa019a7fe>] >e1000_alloc_rx_buffers+0x5b/0x162 [e1000e] >RSP: 0018:ffff88021e185cc0 EFLAGS: 00010206 >RAX: ffff8802203ae090 RBX: 0000000000000000 RCX: 0000000000000000 >RDX: 00000000000000d0 RSI: 00000000000000ff RDI: ffff88021e8a4800 >RBP: ffff88021e185d20 R08: ffff88021e184000 R09: ffffffff81a8f658 >R10: ffff88021e185be0 R11: ffff88021e185fd8 R12: ffff88021e8a4800 >R13: 0000000000000000 R14: ffff88021dda2360 R15: 00000000000000ff >FS: 0000000000000000(0000) GS:ffff88022bd00000(0000) >knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >CR2: 0000000000000008 CR3: 0000000001a05000 CR4: 00000000000006e0 >DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process >kworker/2:1 (pid: 140, threadinfo ffff88021e184000, task ffff88021fc0dd00) >Stack: > 0000000000000000 ffffffffa0194ea7 000000d01e185d00 ffff88021e8a4000 > 000005f21dda2360 ffff8802203ae090 ffff88021e185d00 ffff88021e8a4800 > ffff88021dda2360 0000000000001000 0000000004008002 ffff88021dda2960 Call >Trace: > [<ffffffffa0194ea7>] ? e1000e_set_rx_mode+0xbc/0x260 [e1000e] > [<ffffffffa0195a6d>] e1000_configure+0x51c/0x525 [e1000e] > [<ffffffffa019934c>] ? e1000_set_features+0x8e/0x8e [e1000e] > [<ffffffffa0195a87>] e1000e_up+0x11/0xbc [e1000e] > [<ffffffffa01992b1>] e1000e_reinit_locked+0x3f/0x4c [e1000e] > [<ffffffffa0199a29>] e1000_reset_task+0x6dd/0x6ec [e1000e] > [<ffffffff81069df7>] ? schedule_work+0x13/0x15 > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffffa019934c>] ? e1000_set_features+0x8e/0x8e [e1000e] > [<ffffffff8106837e>] process_one_work+0x1a6/0x278 > [<ffffffff8106a3d1>] worker_thread+0x136/0x255 > [<ffffffff8106a29b>] ? manage_workers+0x190/0x190 > [<ffffffff8106da7d>] kthread+0x84/0x8c > [<ffffffff814cc4a4>] kernel_thread_helper+0x4/0x10 > [<ffffffff8106d9f9>] ? __init_kthread_worker+0x37/0x37 > [<ffffffff814cc4a0>] ? gs_change+0x13/0x13 >Code: 00 00 89 45 c4 41 0f b7 5e 18 48 8b 87 a8 04 00 00 41 89 dd 48 05 90 >00 00 00 4d 6b ed 28 4d 03 6e 20 48 89 45 c8 e9 ea 00 00 00 <49> 8b 45 08 >48 85 c0 74 >14 48 89 c7 31 f6 48 89 45 a8 e8 76 b1 >RIP [<ffffffffa019a7fe>] e1000_alloc_rx_buffers+0x5b/0x162 [e1000e] > RSP <ffff88021e185cc0> >CR2: 0000000000000008 >---[ end trace 059af067cdc81b6a ]--- >BUG: unable to handle kernel paging request at fffffffffffffff8 >IP: [<ffffffff8106d618>] kthread_data+0xb/0x11 PGD 1a07067 PUD 1a08067 PMD >0 >Oops: 0000 [#2] PREEMPT SMP >CPU 2 >Modules linked in: veth 8021q garp stp llc fuse macvlan wanlink(PO) pktgen >sbs sbshc f71882fg coretemp hwmon sunrpc ipv6 uinput snd_hda_codec_realtek >snd_hda_intel ath9k snd_hda_codec mac80211 joydev snd_hwdep snd_seq >ath9k_common ath9k_hw snd_seq_device snd_pcm ath snd_timer e1000e snd >mei(C) microcode >cfg80211 ppdev i2c_i801 soundcore serio_raw pcspkr snd_page_alloc iTCO_wdt >iTCO_vendor_support parport_pc parport i915 drm_kms_helper drm >i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] > >Pid: 140, comm: kworker/2:1 Tainted: P D WC O 3.3.8+ #51 To be filled >by O.E.M. To be filled by O.E.M./To be filled by O.E.M. >RIP: 0010:[<ffffffff8106d618>] [<ffffffff8106d618>] kthread_data+0xb/0x11 >RSP: 0018:ffff88021e1858b8 EFLAGS: 00010092 >RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000002 >RDX: ffffffff81bee730 RSI: 0000000000000002 RDI: ffff88021fc0dd00 >RBP: ffff88021e1858b8 R08: 0000000000000400 R09: ffff88021fc0e0b8 >R10: ffff88021e185978 R11: 0000000000000000 R12: ffff88021fc0e0b8 >R13: ffff88021e1859b8 R14: 0000000000000002 R15: 0000000000000001 >FS: 0000000000000000(0000) GS:ffff88022bd00000(0000) >knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >CR2: fffffffffffffff8 CR3: 0000000001a05000 CR4: 00000000000006e0 >DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process >kworker/2:1 (pid: 140, threadinfo ffff88021e184000, task ffff88021fc0dd00) >Stack: > ffff88021e1858d8 ffffffff81069e8f ffff88021e1858d8 ffff88022bd12340 > ffff88021e185978 ffffffff814c5041 ffff88021e185918 0000000000000246 > ffff88021e184010 ffff88021fc0dd00 ffff88021e185fd8 0000000000012340 Call >Trace: > [<ffffffff81069e8f>] wq_worker_sleeping+0x10/0x8a > [<ffffffff814c5041>] __schedule+0x17f/0x562 > [<ffffffff814c54c9>] schedule+0x55/0x57 > [<ffffffff81059b09>] do_exit+0x73e/0x742 > [<ffffffff814c73c7>] oops_end+0xba/0xc2 > [<ffffffff8102df05>] no_context+0x25a/0x269 > [<ffffffff8107cee0>] ? load_balance+0x98/0x6b0 > [<ffffffff8102e0db>] __bad_area_nosemaphore+0x1c7/0x1e7 > [<ffffffff8102e109>] bad_area_nosemaphore+0xe/0x10 > [<ffffffff814c902d>] do_page_fault+0x176/0x350 > [<ffffffff81009785>] ? __switch_to+0x1cd/0x37c > [<ffffffff814c62bc>] ? _raw_spin_unlock_irq+0x2f/0x3a > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffff814c9382>] ? sub_preempt_count+0x92/0xa5 > [<ffffffff814c6925>] page_fault+0x25/0x30 > [<ffffffffa019a7fe>] ? e1000_alloc_rx_buffers+0x5b/0x162 [e1000e] > [<ffffffffa0194ea7>] ? e1000e_set_rx_mode+0xbc/0x260 [e1000e] > [<ffffffffa0195a6d>] e1000_configure+0x51c/0x525 [e1000e] > [<ffffffffa019934c>] ? e1000_set_features+0x8e/0x8e [e1000e] > [<ffffffffa0195a87>] e1000e_up+0x11/0xbc [e1000e] > [<ffffffffa01992b1>] e1000e_reinit_locked+0x3f/0x4c [e1000e] > [<ffffffffa0199a29>] e1000_reset_task+0x6dd/0x6ec [e1000e] > [<ffffffff81069df7>] ? schedule_work+0x13/0x15 > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffff81077243>] ? get_parent_ip+0x11/0x42 > [<ffffffffa019934c>] ? e1000_set_features+0x8e/0x8e [e1000e] > [<ffffffff8106837e>] process_one_work+0x1a6/0x278 > [<ffffffff8106a3d1>] worker_thread+0x136/0x255 > [<ffffffff8106a29b>] ? manage_workers+0x190/0x190 > [<ffffffff8106da7d>] kthread+0x84/0x8c > [<ffffffff814cc4a4>] kernel_thread_helper+0x4/0x10 > [<ffffffff8106d9f9>] ? __init_kthread_worker+0x37/0x37 > [<ffffffff814cc4a0>] ? gs_change+0x13/0x13 >Code: ea ff ff ff eb 9d 90 55 65 48 8b 04 25 00 c7 00 00 48 8b 80 60 03 00 >00 48 89 e5 8b 40 f0 c9 c3 48 8b 87 60 03 00 00 55 48 89 e5 <48> 8b 40 f8 >c9 c3 48 3b 3d 7b 10 b8 00 55 48 89 e5 75 09 0f bf RIP >[<ffffffff8106d618>] kthread_data+0xb/0x11 > RSP <ffff88021e1858b8> >CR2: fffffffffffffff8 >---[ end trace 059af067cdc81b6b ]--- >Fixing recursive fault but reboot is needed! > > > > >-- >Ben Greear <[email protected]> >Candela Technologies Inc http://www.candelatech.com > > > >-------------------------------------------------------------------------- >---- >Live Security Virtual Conference >Exclusive live event will cover all the ways today's security and >threat landscape has changed and how IT managers can respond. Discussions >will include endpoint security, mobile security and the latest in malware >threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >_______________________________________________ >E1000-devel mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/e1000-devel >To learn more about Intel® Ethernet, visit >http://communities.intel.com/community/wired ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
