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SubjectRe: [cfs_trace_lock_tcd] BUG: unable to handle kernel NULL pointer dereference at 00000050

> Hello,
> FYI this happens in mainline kernel 4.17.0-rc1.
> It looks like a new regression.
> [ 7.587002] lnet_selftest_init+0x2c4/0x5d9:
> lnet_selftest_init at drivers/staging/lustre/lnet/selftest/module.c:134
> [ 7.587002] ? lnet_selftest_exit+0x8d/0x8d:
> lnet_selftest_init at drivers/staging/lustre/lnet/selftest/module.c:90

Are you running lnet selftest ? Is this a UMP setup? The reason I ask is
that their is a SMP handling bug in lnet selftest. If you look at the
mailing list I pushed a SMP patch series. Can you try that series and
tell me if it works for you. Thanks

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