On 1/23/19 8:51 AM, Carlos O'Donell wrote:
> On 1/23/19 10:57 AM, Ben Hutchings wrote:
>> On Mon, 2019-01-21 at 14:56 -0800, Vineet Gupta wrote:
>>> Hi,
>>>
>>> It seems a recent upstream kernel change (went in 5.0-rcX) 81c9d43f9487
>>> ("kernel/sysctl: add panic_print into sysctl") trips one of the glibc tests.
>>>
>>> FAIL: misc/check-installed-headers-c
>>>
>>>> :: sys/sysctl.h
>>>> ::::
>>>> *** Obsolete types detected:
>>>> ~/install/compilers/arc-linux-gnu/sysroot/usr/include/linux /sysctl.h:
>>>> KERN_PANIC_PRINT=78, /* ulong: bitmask to print system info on panic */
>>>
>>> It doesn't seem to like ulong (inside a comment). I don't have enough foo to fix
>>> it, but wanted to bring it to notice anyways.
>>
>> This additions looks like a mistake, anyway - Linux's binary sysctl
>> interface is only there for ancient compatibility and no new sysctls
>> should be added to this enumeration.
>
> Just to be clear, this glibc test failure is a false positive [1], and
> we're working to correct this [2]. However, if this is also not needed on
> the kernel side, then that's also OK with us :-)
>
[1] https://www.sourceware.org/ml/libc-alpha/2019-01/msg00413.html
[2] https://www.sourceware.org/ml/libc-alpha/2019-01/msg00513.html
Great, I didn't skim thru the mailing list before posting this. So this is already
known and being worked on !
Does it make sense to add the minimal fix for 2.29 ? It is likely in near future,
people using the released glibc with newer kernel will run into this, unless
kernel folks zap this quickly, within the current release.
-Vineet
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