We are seeing an occasional kernel BUG error on startup. We are using xenomai 2.6.4 with ipipe 3.14.28 on a freescale LS1021A processor. Any suggestions or known issues that we can check into.
r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded r8169 0000:01:00.0 eth2: RTL8168e/8111e at 0xc09de0003 r8169 0000:01:00.0 eth2: jumbo features [frames: 9200] [....] Waiting for /dev to be fully populated...------ kernel BUG at arch/arm/mm/pgd.c:120! Internal error: Oops - BUG: 0 [#1] SMP ARM Modules linked in: r8169 mii firmware_class CPU: 0 PID: 252 Comm: udevd Not tainted 3.14.28-ipipe1 task: bd126000 ti: bd156000 task.ti: bd156000 PC is at pgd_free+0x108/0x268 LR is at _raw_spin_unlock_irqrestore+0x20/0x24 pc : [<800186d4>] lr : [<80567adc>] psr: 6000003 sp : bd157db8 ip : bd157da0 fp : bd157dec r10: 8074e880 r9 : 00000002 r8 : 00000000 r7 : be720680 r6 : 00000000 r5 : be770b80 r4 : be70 r3 : be7203c0 r2 : 3f88b000 r1 : bffd6860 r0 : 0000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM r Control: 30c53c7d Table: bd10c780 DAC: fffffffd Process udevd (pid: 252, stack limit = 0xbd156240) Stack: (0xbd157db8 to 0xbd158000) 7da0: 8 7dc0: 8003df98 8001a660 bd11d880 00000000 00000001 be4 7de0: bd157e04 bd157df0 8001cd48 800185d8 be00e800 bd8 7e00: 80040e90 8001cd28 00000000 8074e880 8075874c bd8 7e20: 80564d5c 80040e24 000000a8 76e64000 bd1468f0 be0 7e40: 00000002 00000000 bd156000 00000000 bd157e6c bdc 7e60: bd157e9c bd157e70 805672f8 80564ec8 bd0c9dd8 be0 7e80: be6fabd4 bd13edd0 00000000 00000000 bd157eac bd4 7ea0: bd157ec4 bd157eb0 80566df8 80567354 bd12fe70 bd8 7ec0: 801230a4 80566de8 bd157ee4 0000004b 0004b000 000 7ee0: 00000000 bd12fe70 bd11ca80 00062000 80785848 bd8 7f00: 00000000 00000000 bd156000 bd13ed00 bd157f4c bd4 7f20: bd0d0680 bd157f30 80122918 bd11ca80 00000000 008 7f40: bd157f7c bd157f50 80123df4 8012343c 8056735c 800 7f60: 00062000 00062000 bd11cac4 00000000 bd157fa4 bd8 7f80: 76eb8000 0006c000 ffff6000 76eb9b88 0000002d 808 7fa0: 8000e500 801246e0 0006c000 ffff6000 00062000 760 7fc0: 0006c000 ffff6000 76eb9b88 0000002d 76eb8964 00c 7fe0: 0000002d 7edccc28 76e64841 76dedf96 20000030 00f Backtrace: [<800185cc>] (pgd_free) from [<8001cd48>] (__mmdrop+0) r9:8074dbf4 r8:bd11ca80 r7:be00e800 r6:00000001 r5:00 [<8001cd1c>] (__mmdrop) from [<80040e90>] (finish_tas) r5:bd11d880 r4:be00e800 [<80040e18>] (finish_task_switch) from [<80564d5c>] () r6:bd156000 r5:8075874c r4:8074e880 r3:00000000 [<80564a50>] (__schedule) from [<80564f54>] (schedule) r10:00000000 r9:bd156000 r8:00000000 r7:00000002 r6:8 r4:be6fabd4 [<80564ebc>] (schedule) from [<805672f8>] (__down_wri) [<80567278>] (__down_write_nested) from [<8056735c>] ) r7:00000000 r6:00000000 r5:bd13edd0 r4:be6fabd4 [<80567348>] (__down_write) from [<80566df8>] (down_w) [<80566ddc>] (down_write) from [<801230a4>] (vma_adju) r4:bd13ed68 r3:bd12fe70 [<80122ed8>] (vma_adjust) from [<80123534>] (__split_) r10:bd13ed00 r9:bd156000 r8:00000000 r7:00000000 r6:0 r4:bd0d0680 [<80123430>] (__split_vma.isra.21) from [<80123df4>] ) r8:bd13ed68 r7:00062000 r6:0006c000 r5:00000000 r4:b0 [<80123d3c>] (do_munmap) from [<80124798>] (SyS_brk+0) r10:00000000 r8:bd11cac4 r7:00062000 r6:00062000 r5:0 [<801246d4>] (SyS_brk) from [<8000e500>] (ret_fast_sy) r8:8000e6e8 r7:0000002d r6:76eb9b88 r5:ffff6000 r4:00 Code: 1affffea e59f0154 e1a01006 eb153cf9 (e7f001f2) ---[ end trace cfa666029e99279a ]--- done. Outbound scan for Spam or Virus by Barracuda at Delta Tau _______________________________________________ Xenomai mailing list [email protected] https://xenomai.org/mailman/listinfo/xenomai
