[ltp] diagnosing a freeze on T60p with ubuntu hardy

Marius Gedminas linux-thinkpad@linux-thinkpad.org
Wed, 21 May 2008 17:51:19 +0300


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On Wed, May 21, 2008 at 11:27:04AM -0300, Henrique de Moraes Holschuh wrote:
> On Wed, 21 May 2008, Phil Shotton wrote:
> > I get the "Save screen snapshot" popup :-(
>=20
> Then you are NOT issuing SysRQ.  That is trapped well before any crap in
> userspace can see it.

That seems not to be the case.

When I press Alt+SysRq+S (which shares the key with PrintScreen), I get
both a keycode visible to userspace (mapped to "take a screenshot of the
active window" in GNOME by default), and the usual kernel's reaction
(SysRq: Emergency Sync in dmesg).  Holding down Alt+SysRq for a longer
time results in a big bunch of screenshot dialogs.

> In the T43 it works, I do Alt+"PrtSc/SysRq"+S, then the same for U, then
> the same for B.
>=20
> (sync + emergency umount/remount read-only + boot).

Marius Gedminas
--=20
Special bonus feature: absolutely nowhere in RetchMail's code is there an
arbitrary 3-second sleep(). Wow! What other mail retriever can say that? (H=
int:
not fetchmail.)
	-- http://open.nit.ca/wiki/index.php?page=3DRetchMail

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