[Bug 733022] New: xen guest - su takes very long
https://bugzilla.novell.com/show_bug.cgi?id=733022 https://bugzilla.novell.com/show_bug.cgi?id=733022#c0 Summary: xen guest - su takes very long Classification: openSUSE Product: openSUSE 12.1 Version: Final Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Xen AssignedTo: jdouglas@suse.com ReportedBy: per@opensuse.org QAContact: qa@suse.de Found By: --- Blocker: --- Created an attachment (id=464280) --> (http://bugzilla.novell.com/attachment.cgi?id=464280) /var/log/messages from xen guest User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20100101 Firefox/5.0 When doing 'su -' in a xen guest running 12.1, it takes very long: time su -c 'exit' Password: real 0m27.979s user 0m0.048s sys 0m0.004s Judging by /var/log/messages, I'm guessing this is systemd related. Reproducible: Always -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Per Jessen
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Per Jessen
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Per Jessen
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--- Comment #3 from Per Jessen
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Frederic Crozat
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Jan Beulich
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Per Jessen
With patches.xen/add-console-use-vt making the call to vty_init() dependent upon console_use_vt (and always having done so), this is presumably because the guest's kernel gets passed "xencons=tty" (which forces console_use_vt to zero). Is there any reason you actually need to pass this option (rather than staying at the default of having the console appear at xvc0)?
I'm quite new to xen, I'm not sure if I need xencons=tty or not - without it, the console (xl console <name>) seems to contain very little information. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #9 from Per Jessen
Using xvc0 would require an adjustment to /etc/inittab iirc (and maybe "console=xvc0" on the kernel command line).
If I just need to change those two settings, that's no big deal.
This (I'm guessing) isn't being done automatically for you as for quite a while you're actually expected to use the para-virtual frame buffer for your console.
I don't quite understand. If I don't do the changes above, what is the proper way to access to console of a xen guest? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #10 from Per Jessen
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--- Comment #11 from Frederic Crozat
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--- Comment #12 from Frederic Crozat
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Jan Beulich
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Andrew Daugherity
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--- Comment #18 from Jan Beulich
Created an attachment (id=470924) --> (http://bugzilla.novell.com/attachment.cgi?id=470924) [details] possible (partial) kernel fix
Ping? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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