From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Michael Schmitz <schmitz@opal.biophys.uni-duesseldorf.de>,
<linuxppc-dev@lists.linuxppc.org>
Subject: Re: [Dri-devel] PPC Lockup (ati-pcigart-branch)
Date: Sat, 20 Jan 2001 17:00:27 +0100 [thread overview]
Message-ID: <19341215093211.9503@smtp.wanadoo.fr> (raw)
In-Reply-To: <Pine.LNX.4.30.0101201420040.18939-100000@opal.biophys.uni-duesseldorf.de>
>> Very hard work indeed :) You'd have to write a mecanism to let most of
>> the OHCI controller code to run in a polled way from within the
>> debugger... quite nasty.
>
>Why? How's that different from ADB keyboards? It just won't work when
>interrupts are dead ;-)
xmon can poll the keyboard without any interrupts on Cuda & PMU machines
by sending the appropriate Cuda or PMU command to the chip and doing
polled IOs. On USB, it's also possible to poll the interrupt status
register of the OHCI chip. But it's a lot more painful since you have to
run most of the USB stack this way.
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-01-20 16:00 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-19 3:26 PPC Lockup (ati-pcigart-branch) Michel Dänzer
2001-01-19 3:55 ` Dan Malek
2001-01-19 6:53 ` [Dri-devel] " Gareth Hughes
2001-01-19 16:48 ` Jeff Hartmann
2001-01-19 17:24 ` Dan Malek
2001-01-20 0:45 ` Gareth Hughes
2001-01-19 16:40 ` [Dri-devel] " Jeff Hartmann
2001-01-19 17:11 ` Benjamin Herrenschmidt
2001-01-19 22:26 ` Chris Emerson
2001-01-19 22:59 ` Benjamin Herrenschmidt
2001-01-19 23:43 ` Chris Emerson
2001-01-20 1:38 ` Benjamin Herrenschmidt
2001-01-20 13:21 ` Michael Schmitz
2001-01-20 16:00 ` Benjamin Herrenschmidt [this message]
2001-01-20 17:03 ` Michael Schmitz
2001-01-20 2:46 ` Michel Dänzer
2001-01-20 4:17 ` Michel Dänzer
2001-01-22 9:44 ` Michel Dänzer
2001-01-22 17:59 ` Roman Zippel
2001-01-22 18:18 ` Michel Dänzer
2001-01-22 18:54 ` Roman Zippel
2001-01-22 19:39 ` Dan Malek
2001-01-22 20:08 ` Michel Dänzer
2001-01-22 20:30 ` Jeff Hartmann
2001-01-22 21:23 ` Roman Zippel
2001-01-22 23:12 ` Frank Rowand
2001-01-22 21:31 ` Dan Malek
2001-01-22 21:48 ` Jeff Hartmann
2001-01-22 22:15 ` Roman Zippel
2001-01-23 16:14 ` Mike Beede
2001-01-22 22:31 ` Roman Zippel
2001-01-23 0:24 ` Dan Malek
2001-01-23 2:28 ` Takashi Oe
2001-01-23 2:40 ` Dan Malek
2001-01-23 4:40 ` Ralph Metzler
2001-01-23 5:48 ` Takashi Oe
2001-01-23 11:24 ` Roman Zippel
2001-01-23 0:34 ` Frank Rowand
2001-01-23 0:43 ` Frank Rowand
2001-01-23 11:32 ` Roman Zippel
2001-01-22 20:43 ` Roman Zippel
2001-01-22 21:07 ` Jeff Hartmann
2001-01-22 17:33 ` Dan Malek
2001-01-22 17:38 ` Jeff Hartmann
2001-01-22 17:38 ` Gareth Hughes
2001-01-22 17:43 ` Michel Dänzer
2001-01-22 18:36 ` Dan Malek
2001-01-22 18:44 ` Jeff Hartmann
2001-01-22 18:47 ` Michel Dänzer
2001-01-22 21:13 ` Dan Malek
2001-01-22 21:58 ` Roman Zippel
2001-01-22 23:48 ` Paul Mackerras
2001-01-23 0:13 ` Dan Malek
2001-01-20 13:15 ` Michael Schmitz
2001-01-19 17:11 ` Wolfgang Denk
-- strict thread matches above, loose matches on Subject: below --
2001-01-23 3:34 Iain Sandoe
2001-01-23 6:49 Robert E Brose II
2001-01-23 7:01 ` Geert Uytterhoeven
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=19341215093211.9503@smtp.wanadoo.fr \
--to=benh@kernel.crashing.org \
--cc=linuxppc-dev@lists.linuxppc.org \
--cc=schmitz@opal.biophys.uni-duesseldorf.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).