Public bug reported: Binary package hint: linux-image-2.6.24-27-sparc64-smp
These few lines kept showing up in dmesg/logs over the past few weeks and then started to cause the system/network in question to become slow and unresponsive leading to a hard reboot to remedy. Apr 7 16:01:48 Hal kernel: [1076377.260268] Kernel unaligned access at TPC[6a1504] tcp_transmit_skb+0x1ac/0x8c0 Apr 7 16:01:48 Hal kernel: [1076377.260330] Kernel unaligned access at TPC[6a150c] tcp_transmit_skb+0x1b4/0x8c0 Apr 7 16:01:48 Hal kernel: [1076377.260355] Kernel unaligned access at TPC[68e724] ip_queue_xmit+0x14c/0x5a0 Apr 7 16:01:48 Hal kernel: [1076377.260390] Kernel unaligned access at TPC[68e734] ip_queue_xmit+0x15c/0x5a0 Apr 7 16:01:48 Hal kernel: [1076377.260418] Kernel unaligned access at TPC[58e904] ip_fast_csum+0xc/0x80 Apr 7 16:32:21 Hal kernel: [1078210.103332] Kernel unaligned access at TPC[6a1504] tcp_transmit_skb+0x1ac/0x8c0 Apr 7 16:32:21 Hal kernel: [1078210.103406] Kernel unaligned access at TPC[6a150c] tcp_transmit_skb+0x1b4/0x8c0 Apr 7 16:32:21 Hal kernel: [1078210.103437] Kernel unaligned access at TPC[68e724] ip_queue_xmit+0x14c/0x5a0 Apr 7 16:32:21 Hal kernel: [1078210.103474] Kernel unaligned access at TPC[68e734] ip_queue_xmit+0x15c/0x5a0 Apr 7 16:32:21 Hal kernel: [1078210.103501] Kernel unaligned access at TPC[58e904] ip_fast_csum+0xc/0x80 I'm not sure if this is kernel related or the fact that I am running ifenslave with interface bonding in fault-tolerant mode. My system is a Sun Enterprise 420R. I'm running Ubuntu 8.04.4 w/4GB of RAM. CPU Info... cpu : TI UltraSparc II (BlackBird) fpu : UltraSparc II integrated FPU prom : OBP 3.23.0 1999/06/30 13:53 type : sun4u ncpus probed : 4 ncpus active : 4 D$ parity tl1 : 0 I$ parity tl1 : 0 Cpu0ClkTck : 000000001ad35932 Cpu1ClkTck : 000000001ad35932 Cpu2ClkTck : 000000001ad35932 Cpu3ClkTck : 000000001ad35932 MMU Type : Spitfire State: CPU0: online CPU1: online CPU2: online CPU3: online Network card info via dmesg... [ 139.086540] PCI: Enabling device: (0000:02:00.0), cmd 2 [ 139.092436] eth1: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[15] 00:03:ba:85:5b:01 [ 139.266151] PCI: Enabling device: (0000:02:01.0), cmd 2 [ 139.272054] eth2: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[16] 00:03:ba:85:5b:02 [ 139.446977] PCI: Enabling device: (0000:03:02.0), cmd 2 [ 139.452954] eth3: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[17] 00:03:ba:85:5b:03 [ 139.627883] PCI: Enabling device: (0000:03:03.0), cmd 2 [ 139.633963] eth4: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[18] 00:03:ba:85:5b:04 [ 139.807491] PCI: Enabling device: (0000:05:00.0), cmd 2 [ 139.813690] eth5: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[19] 00:03:ba:85:20:e5 [ 139.990262] PCI: Enabling device: (0000:05:01.0), cmd 2 [ 139.996483] eth6: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[20] 00:03:ba:85:20:e6 [ 140.170039] PCI: Enabling device: (0000:06:02.0), cmd 2 [ 140.176496] eth7: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[21] 00:03:ba:85:20:e7 [ 140.350911] PCI: Enabling device: (0000:06:03.0), cmd 2 [ 140.357394] eth8: Sun Cassini+ (64bit/33MHz PCI/Cu) Ethernet[22] 00:03:ba:85:20:e8 Bonding info via dmesg... [ 143.262268] Ethernet Channel Bonding Driver: v3.2.3 (December 6, 2007) [ 143.339438] bonding: MII link monitoring set to 100 ms Bonding options set in '/etc/network/interfaces'... post-up ifenslave bond0 eth1 eth5 pre-down ifenslave -d bond0 eth1 eth5 Bonding options loaded via '/etc/modules'... bonding mode=active-backup miimon=100 max_bonds=4 ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- "Kernel unaligned access at TPC" causing network/system to become slow and/or unresponsive https://bugs.launchpad.net/bugs/569610 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs