Messages in this thread | | | From | Dmitry Torokhov <> | Subject | Re: help: sysrq and X | Date | Sun, 21 Nov 2004 18:46:17 -0500 |
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On Sunday 21 November 2004 06:21 pm, Eyal Lebedinsky wrote: > I am trying to diagnose a hard lockup. The only way I can reproduce it is > with mythtv. When the system locks up (no mouse, no activity in X, no message > logged) I can use magic sysrq, but I cannot see the output. > > Using 'r' does not enable console switching. However 'b' will boot the > system, and I hope 's' and 'u' did something blindly. > > I there a way to regain a text console in order to inspect the kernel? >
Try use SysRQ+K (SAK) - 95% when my X server locks up I can use SAK and then killall -9 X and everythig is fine.
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