Reading `/sys/kernel/debug/kmemleak` takes 3 s and content not shown
pmenzel at molgen.mpg.de
Wed Mar 27 00:17:01 AEDT 2019
On 26.03.19 13:55, Christophe Leroy wrote:
> Le 26/03/2019 à 13:49, Paul Menzel a écrit :
>> On 19.02.19 10:44, Paul Menzel wrote:
>>> On a the IBM S822LC (8335-GTA) with Ubuntu 18.10, and Linux 5.0-rc5+
>>> accessing `/sys/kernel/debug/kmemleak` takes a long time. According to
>>> strace it takes three seconds.
>>> $ dmesg | grep leak
>>> [ 4.407957] kmemleak: Kernel memory leak detector initialized
>>> [ 4.407959] kmemleak: Automatic memory scanning thread started
>>> [745989.625624] kmemleak: 1 new suspected memory leaks (see
>>> [1002619.951902] kmemleak: 1 new suspected memory leaks (see
>>> Unfortunately, the leaks supposedly stored in that file are not shown
>> The problem is still present with Linux 5.0. Do you have an idea, how
>> to fix this?
> Have you identified a previous version that works properly?
It seems to have worked with Linux 4.18-rc4+ .
> If so, have you been able to bisect the problem?
No, sorry, I have not. I do not have resources for this.
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