[BUG] MNIST LeNet forward fails on 65061dc

[zhanghang1989]

MNIST LeNet forward fails on master branch. @eric-haibin-lin mentioned that it may be related to this PR #10911

import mxnet as mx
from mxnet.gluon import nn, Block
net = nn.HybridSequential()
with net.name_scope():
        net.add(nn.Conv2D(in_channels=1, channels=20, kernel_size=5))
        net.add(nn.Activation('relu'))
        net.add(nn.MaxPool2D(pool_size=2, strides=2))
        net.add(nn.Conv2D(in_channels=20, channels=50, kernel_size=5))
        net.add(nn.Activation('relu'))
        net.add(nn.MaxPool2D(pool_size=2, strides=2))
        # The Flatten layer collapses all axis, except the first one, into one axis.
        net.add(nn.Flatten())
        net.add(nn.Dense(512,in_units=800))
        net.add(nn.Activation('relu'))
        net.add(nn.Dense(10, in_units=512))
net.collect_params().initialize()
x = mx.random.uniform(shape=(8, 1, 28, 28))
net(x)

Got this error

Segmentation fault (core dumped)

[zhanghang1989]

Failed on commit 65061dc,
but seems fixed on master now.

[srochel]

@mxnet-label-bot: ["Good First Issue"]

[vandanavk]

@sandeep-krishnamurthy Please change the label to Good First Issue.

Looks like the issue is not reproducible on a more recent codebase.

[vrakesh]

@vandanavk if the issue is not reproducible can this be closed

[sandeep-krishnamurthy]

resolving, issue is not reproducible. Please reopen if issue still persists.