> CC: "Johannes Weiner" <han...@cmpxchg.org>, "Andrew Morton" > <a...@linux-foundation.org>, "David Rientjes" <rient...@google.com>, > "KAMEZAWA Hiroyuki" <kamezawa.hir...@jp.fujitsu.com>, "KOSAKI Motohiro" > <kosaki.motoh...@jp.fujitsu.com>, linux...@kvack.org, > cgro...@vger.kernel.org, x...@kernel.org, linux-a...@vger.kernel.org, > linux-kernel@vger.kernel.org >On Mon 16-09-13 17:05:43, azurIt wrote: >> > CC: "Johannes Weiner" <han...@cmpxchg.org>, "Andrew Morton" >> > <a...@linux-foundation.org>, "David Rientjes" <rient...@google.com>, >> > "KAMEZAWA Hiroyuki" <kamezawa.hir...@jp.fujitsu.com>, "KOSAKI Motohiro" >> > <kosaki.motoh...@jp.fujitsu.com>, linux...@kvack.org, >> > cgro...@vger.kernel.org, x...@kernel.org, linux-a...@vger.kernel.org, >> > linux-kernel@vger.kernel.org >> >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? > >Probably yes. echo 1 > /proc/sys/kernel/sysrq should enable all sysrq >commands. You can select also some of them (have a look at >Documentation/sysrq.txt for more information)
# ls -la /proc/sys/kernel/sysrq ls: cannot access /proc/sys/kernel/sysrq: No such file or directory ok, so problem is probably here: # CONFIG_MAGIC_SYSRQ is not set I will enable it with next reboot. azur -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/