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本帖最后由 zhangzh 于 2020-6-30 16:39 编辑
使用mdrun的时候给出了如下的错误信息
Command line:
gmx mdrun -v -deffnm md
Back Off! I just backed up md.log to ./#md.log.1#
Compiled SIMD: SSE2, but for this host/run AVX2_256 might be better (see log).
The current CPU can measure timings more accurately than the code in
gmx mdrun was configured to use. This might affect your simulation
speed as accurate timings are needed for load-balancing.
Please consider rebuilding gmx mdrun with the GMX_USE_RDTSCP=ON CMake option.
Reading file md.tpr, VERSION 2019.4 (single precision)
Multiple energy groups is not implemented for GPUs, falling back to the CPU. For better performance, run on the GPU without energy groups and then do gmx mdrun -rerun option on the trajectory with an energy group .tpr file.
Changing nstlist from 5 to 50, rlist from 1 to 1.112
Using 1 MPI thread
Using 8 OpenMP threads
Back Off! I just backed up md.trr to ./#md.trr.1#
Back Off! I just backed up md.edr to ./#md.edr.1#
starting mdrun 'LYSOZYME in water'
500000 steps, 1000.0 ps.
Step 0, time 0 (ps) LINCS WARNING
relative constraint deviation after LINCS:
rms 90982.046875, max 1207933.375000 (between atoms 1696 and 1697)
bonds that rotated more than 30 degrees:
atom 1 atom 2 angle previous, current, constraint length
277 278 51.5 0.1090 0.1090 0.1090
1696 1697 73.5 0.1090 131664.8281 0.1090
1698 1699 91.0 0.1090 62250.7578 0.1090
1701 1702 64.0 0.0972 8294.1514 0.0972
1704 1705 64.4 0.1090 3904.5688 0.1090
1706 1707 90.0 0.1090 0.6298 0.1090
1708 1709 90.0 0.1090 0.5924 0.1090
1708 1710 102.7 0.1090 140.6621 0.1090
1711 1712 33.1 0.1090 66669.9219 0.1090
1711 1713 146.9 0.1090 109749.3281 0.1090
1714 1715 59.1 0.1090 45960.4102 0.1090
1714 1716 113.7 0.1090 3800.2761 0.1090
1714 1717 117.9 0.1090 339.4270 0.1090
1714 1717 117.9 0.1090 339.4270 0.1090
step 0: One or more water molecules can not be settled.
Check for bad contacts and/or reduce the timestep if appropriate.
Back Off! I just backed up step0b.pdb to ./#step0b.pdb.4#
Back Off! I just backed up step0c.pdb to ./#step0c.pdb.4#
Wrote pdb files with previous and current coordinates
step 0Warning: Only triclinic boxes with the first vector parallel to the x-axis and the second vector in the xy-plane are supported.
Box (3x3):
Box[ 0]={ -nan, -nan, -nan}
Box[ 1]={ -nan, -nan, -nan}
Box[ 2]={ -nan, -nan, -nan}
Can not fix pbc.
Warning: Only triclinic boxes with the first vector parallel to the x-axis and the second vector in the xy-plane are supported.
Box (3x3):
Box[ 0]={ -nan, -nan, -nan}
Box[ 1]={ -nan, -nan, -nan}
Box[ 2]={ -nan, -nan, -nan}
Can not fix pbc.
请问最后的warning是什么意思呢,应该如何解决?
附输入文件(用md.mdp生成tpr,mdrun执行时报错)
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minim.mdp
913 Bytes, 下载次数 Times of downloads: 64
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topol.top
376.3 KB, 下载次数 Times of downloads: 18
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md.mdp
1.17 KB, 下载次数 Times of downloads: 89
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