Hi Got recently lockups on T2000 machine. Machine is relatively new. While compiling with crazy makeflags "-j17" getting such messages. Process which was being compiled stuck, and i cannot terminate it. Please CC me on reply. Do i need to submit bugzilla message? Full dmesg: http://www.nuclearcat.com/files/t2000-dmesg-1.txt Kernel config: http://www.nuclearcat.com/files/t2000-config-1.txt Here it relevant part (unwrapped available in dmesg): [110645.897910] BUG: NMI Watchdog detected LOCKUP on CPU12, ip 0046630c, registers: [110645.898120] TSTATE: 0000004480e01607 TPC: 000000000046630c TNPC: 0000000000466310 Y: 00000000 Not tainted [110645.898280] TPC: <run_timer_softirq+0x1a4/0x1d0> [110645.898379] g0: 000000000000000c g1: fffff801ffc2fe60 g2: fffff801fc684138 g3: fffff801ffc2fe60 [110645.898611] g4: fffff801fc662e00 g5: fffff801ff494000 g6: fffff801fc6a0000 g7: fffff801fc684138 [110645.898697] o0: 0000000000000003 o1: fffff801ffc2fd90 o2: 0000000104514312 o3: 0000000000000100 [110645.898783] o4: 0000000000000080 o5: fffff801ffc2fe60 sp: fffff801ffc2f5b1 ret_pc: 00000000004661c0 [110645.898971] RPC: <run_timer_softirq+0x58/0x1d0> [110645.899163] l0: fffff801fc684000 l1: 0000000000000012 l2: 000000000046d358 l3: 000000000000000a [110645.899249] l4: 000000000000000c l5: 0000000000000000 l6: fffff801fc6a0000 l7: 0000000080001002 [110645.899480] i0: 000000000082d5c8 i1: fffff801ffd02010 i2: 0000000000000100 i3: 00000000f025c8a0 [110645.899575] i4: 00000000fef42760 i5: 00000000fef417f8 i6: fffff801ffc2f681 i7: 0000000000461ca4 [110645.899762] I7: <__do_softirq+0x4c/0x110> [110645.899902] Call Trace: [110645.900001] [00000000004209f4] tl0_irq15+0x14/0x20 [110645.900113] [000000000046630c] run_timer_softirq+0x1a4/0x1d0 [110645.900324] [0000000000461ca4] __do_softirq+0x4c/0x110 [110645.900396] [000000000042a750] do_softirq+0x60/0x8c [110645.900505] [00000000004617c0] irq_exit+0x3c/0x94 [110645.900610] [000000000042e694] timer_interrupt+0xa0/0xbc [110645.900820] [00000000004209d4] tl0_irq14+0x14/0x20 [110645.900883] [000000000042bc5c] cpu_idle+0xb0/0x148 [110645.901050] [00000000006face0] after_lock_tlb+0x1b4/0x1cc [110645.901256] [0000000000000000] (null) [111203.146591] INFO: task emerge:9830 blocked for more than 480 seconds. [111203.146775] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [111203.146906] emerge D 00000000006fdaf0 0 9830 9806 [111203.147132] Call Trace: [111203.147279] [00000000006fe7c0] schedule_timeout+0x18/0xa4 [111203.147390] [00000000006fdaf0] wait_for_common+0xbc/0x148 [111203.147486] [000000000046cd58] flush_cpu_workqueue+0x74/0x88 [111203.147672] [000000000046cde0] flush_workqueue+0x34/0x60 [111203.147912] [00000000005988a0] tty_ldisc_release+0x30/0x1e0 [111203.147978] [0000000000592efc] tty_release_dev+0x400/0x430 [111203.148138] [0000000000592f38] tty_release+0xc/0x24 [111203.148372] [00000000004c4dd8] __fput+0xdc/0x1a4 [111203.148430] [00000000004c2694] filp_close+0x68/0x7c [111203.148620] [00000000004c2718] SyS_close+0x70/0xb4 [111203.148692] [0000000000406214] linux_sparc_syscall32+0x34/0x40 -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html