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lijuanshu

铜虫 (正式写手)

[求助] VASP计算cl-NEB出错,还请虫友们帮忙解决

我用Vasp计算H原子在bulk中的扩散能垒,投的任务算到3F的时候报错,kill后重投,1F只算了一行就报错了,报错信息相同:
running on   16 nodes
each image running on    2 nodes
distr:  one band on    1 nodes,    2 groups
vasp.5.2.8 07Jul10 complex
01/POSCAR found :  3 types and   33 ions
LDA part: xc-table for Ceperly-Alder, Vosko type interpolation para-ferro
00/POSCAR found :  3 types and   33 ions
09/POSCAR found :  3 types and   33 ions
POSCAR, INCAR and KPOINTS ok, starting setup
WARNING: small aliasing (wrap around) errors must be expected
FFT: planning ...(           7 )
reading WAVECAR
entering main loop
       N       E                     dE             d eps       ncg     rms          rms(c)
DAV:   1     0.196460760371E+04    0.19646E+04   -0.83846E+04 15320   0.135E+03
p9_4731: (1162.381402) net_recv failed for fd = 6
p9_4731:  p4_error: net_recv read, errno = : 104
p13_3671:  p4_error: net_recv read:  probable EOF on socket: 1
p12_7517:  p4_error: net_recv read:  probable EOF on socket: 1
p6_8706:  p4_error: net_recv read:  probable EOF on socket: 1
p11_27440:  p4_error: net_recv read:  probable EOF on socket: 1
p10_2484:  p4_error: net_recv read:  probable EOF on socket: 1
p7_9411:  p4_error: net_recv read:  probable EOF on socket: 1

nohup.out中的报错信息是
forrtl: error (78): process killed (SIGTERM)
forrtl: error (78): process killed (SIGTERM)
forrtl: error (78): process killed (SIGTERM)
forrtl: error (78): process killed (SIGTERM)

我的INCAR是
SYSTEM = *****
ENCUT = 280
ISTART = 0
ICHARG = 2
NPAR = 2
NELMIN = 5
ISMEAR = 0
SIGMA = 0.2
NSW = 1000
IBRION = 3
POTIM = 0
IOPT = 1
ISPIN = 2
NELM = 2000
EDIFF = 1E-4
EDIFFG = -0.04
LREAL = Auto
GGA = 91
VOSKOWN = 1
ALGO = Fast
LPLANE = .TRUE.
NSIM = 4
LCLIMB = .TRUE.
ICHAIN = 0
LGOLOBAL = .TRUE.
MAXMOVE = 0.2
INVCURV = 0.01
SPRING = -5
IMAGES = 8
LWAVE = .FALSE.
LCHARG = .FALSE.

还请虫友们帮忙解决啊,很急哦!!!
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第一性原理VASPLinux这些都要学啊
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xiongb123456

铜虫 (小有名气)

【答案】应助回帖

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感谢参与,应助指数 +1
franch: 金币+2, 鼓励交流 2012-06-18 12:11:47
lijuanshu: 金币+3, ★有帮助 2012-06-19 08:41:27
你是用两台8核算的?
是不是并行的问题啊 我之前优化一个结构的时候也遇到了类似问题
我并行两台12核优化一个结构 也是出完了1F就报错了
然后我改成用一个12核去优化这个结构 就没出现报错的情况了
我怀疑是我的并行文件没写好 不知道你是说不是这种情况

PS:LWAVE = .FALSE.
LCHARG = .FALSE.
这两项还是TRUE吧 万一停掉了 还能restart下
要不C-neb好慢的说
我之前停电了 没输出WAVECAR 就悲剧的重新算了一遍
2楼2012-06-18 11:06:00
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