Seems we are getting some kind of bug out of our s390x partition (lnxabat1) when booting latest mainline releases, specifically since 2.6.23-git3. Kernel BUG at 0000000000000002 Ýverbose debug info unavailable¨ illegal operation: 0001 Ý#1¨ Modules linked in: dm_mod sit tunnel4 ipv6 qeth ccwgroup qdio dasd_fba_mod dasd_ eckd_mod dasd_mod CPU: 0 Not tainted Process ip (pid: 2614, task: 000000003f42f680, ksp: 000000003cf2feb8) Krnl PSW : 0704200180000000 0000000000000002 (0x2) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 Krnl GPRS: 0000000000000000 0000000000000000 000000003e6d5d00 000000003e01f000 00000000000086dd 000000003cdac144 0000000000000000 0000000000000010 000000003e01f000 000000003d97e3c0 0000000100eaaa00 000000003cdac100 000000003e6d5d00 00000001018fb1d0 0000000000286da8 000000003cf2f5e8 Krnl Code:>0000000000000002: 0000 unknown 0000000000000004: 0000 unknown 0000000000000006: 0000 unknown 0000000000000008: 0000 unknown 000000000000000a: 0000 unknown 000000000000000c: 0000 unknown 000000000000000e: 0000 unknown 0000000000000010: 0000 unknown Call Trace: (Ý<0000000000286d60>¨ neigh_connected_output+0x68/0xfc) Ý<00000001018cc7fe>¨ ip6_output2+0x416/0x4ac Ýipv6¨ Ý<00000001018ceaa8>¨ ip6_output+0xfc4/0xfd4 Ýipv6¨ Ý<00000001018dfe40>¨ __ndisc_send+0x52c/0x6f0 Ýipv6¨ Ý<00000001018e0218>¨ ndisc_send_rs+0x4c/0x5c Ýipv6¨ Ý<00000001018d40e6>¨ addrconf_dad_completed+0xa2/0xf0 Ýipv6¨ Ý<00000001018d4880>¨ addrconf_dad_start+0xa0/0x124 Ýipv6¨ Ý<00000001018d496a>¨ addrconf_add_linklocal+0x66/0x98 Ýipv6¨ Ý<00000001018d7a3c>¨ addrconf_notify+0x6cc/0x898 Ýipv6¨ Ý<000000000004ad7c>¨ notifier_call_chain+0x50/0x8c Ý<000000000004b0b6>¨ __raw_notifier_call_chain+0x1a/0x28 Ý<000000000004b0e6>¨ raw_notifier_call_chain+0x22/0x30 Ý<000000000027f014>¨ call_netdevice_notifiers+0x28/0x38 Ý<0000000000281732>¨ dev_open+0xba/0xd0 Ý<0000000000281cce>¨ dev_change_flags+0xbe/0x198 Ý<00000000002d681c>¨ devinet_ioctl+0x2c8/0x6c0 Ý<000000000027138a>¨ sock_ioctl+0x26e/0x2a0 Ý<00000000000ab1ce>¨ do_ioctl+0x4a/0xac Ý<00000000000ab5f2>¨ vfs_ioctl+0x3c2/0x3d8 Ý<00000000000ab676>¨ sys_ioctl+0x6e/0x94 Ý<00000000000215c6>¨ sysc_noemu+0x10/0x16 Ý<00000200001201ca>¨ 0x200001201ca <0>Kernel panic - not syncing: Fatal exception in interrupt 01: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from CPU 00. 02: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from CPU 00. 03: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from CPU 00. 00: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 00015FDE -apw - To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html