Mailinglist Archive: opensuse-bugs (6095 mails)

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[Bug 1075876] Kernel Oops, null pointer dereference in timecounter_read
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 23 Apr 2018 18:18:28 +0000
  • Message-id: <>

--- Comment #14 from Achim Mildenberger <admin@xxxxxxxxxxxxxxxxxxxxxxxxxxx> ---
Created attachment 768018
Test with kernel 4.4.127-4.g662314f-default

Dear Benjamin, thanks a lot! Seems to work.

Since I'd like to understand a bit more, may I ask some questions?

Why does it sometimes need a second attempt to get a response from
"er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI" in netdev.c?
Your test would try up to ten times but up to now I only observed failed first

Does this problem only affect kernel 4.4 and is not happening in newer kernels?
The code in file netdev.c, function e1000e_get_base_timinca looks unchanged for
me when accessing the adapter variant "spt".

Thanks again, Achim

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