Re: [patch 0/7] improve memcg oom killer robustness v2

[azurIt]

> CC: "Michal Hocko" <mhocko@xxxxxxx>, "Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx>, "David Rientjes" <rientjes@xxxxxxxxxx>, "KAMEZAWA Hiroyuki" <kamezawa.hiroyu@xxxxxxxxxxxxxx>, "KOSAKI Motohiro" <kosaki.motohiro@xxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
>On Mon, Sep 16, 2013 at 05:05:43PM +0200, azurIt wrote:
>> > CC: "Johannes Weiner" <hannes@xxxxxxxxxxx>, "Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx>, "David Rientjes" <rientjes@xxxxxxxxxx>, "KAMEZAWA Hiroyuki" <kamezawa.hiroyu@xxxxxxxxxxxxxx>, "KOSAKI Motohiro" <kosaki.motohiro@xxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
>> >On Mon 16-09-13 16:13:16, azurIt wrote:
>> >[...]
>> >> >You can use sysrq+l via serial console to see tasks hogging the CPU or
>> >> >sysrq+t to see all the existing tasks.
>> >> 
>> >> 
>> >> Doesn't work here, it just prints 'l' resp. 't'.
>> >
>> >I am using telnet for accessing my serial consoles exported by
>> >the multiplicator or KVM and it can send sysrq via ctrl+t (Send
>> >Break). Check your serial console setup.
>> 
>> 
>> 
>> I'm using Raritan KVM and i created keyboard macro 'sysrq + l' resp. 'sysrq + t'. I'm also unable to use it on my local PC. Maybe it needs to be enabled somehow?
>
>Can you 'echo t >/proc/sysrq-trigger'?



# ls -la /proc/sysrq-trigger
ls: cannot access /proc/sysrq-trigger: No such file or directory
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