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--- Log opened Sun Apr 24 23:59:02 2005
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01:21 < cw> is anyone here using glibc-2.3.4-2 with the tls changes from the xen site?
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04:09 < mael> hi
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12:33  * riel looks oddly at vbd.c
12:33 < riel> memset(ret, '\0', 0);
12:38 < Tv> hehe
12:42 < eigood> maybe that was an attempt to get later/earlier code to align on some magic boundary
12:42 < eigood> one would hope gcc is smart and can optimize that away
12:42 < riel> eigood: I don't think this is a "magic boundary" thing
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13:06 < riel> neat, kernel-xen0 boots again on fedora rawhide ;)
13:07 < murb> riel: do you get working userspace as well?
13:07 < riel> murb: yes, I just upgraded something with rpm
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13:23 < riel> beautiful, I got "xm create" to oops in set_page_dirty() ;)
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14:59 < matta> riel: you are updating it to a recent -unstable?
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15:03 < riel> matta: yes, last night's snapshot
15:04 < riel> xen-2-20050424 and kernel-2.6.11-1.1262_FC4
15:11 < cw> riel: are you using the glibc with the tls patch?
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15:13 < riel> dunno ;)
15:13 < riel> what I care about now is fixing the oops on munmaping /proc/xen/privcmd ;)
15:16 < eigood> you're mmaping it?
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15:17 < riel> eigood: xend is
15:17 < riel> mmap2(NULL, 4096, PROT_WRITE, MAP_SHARED, 17, 0) = 0xb79cc000
15:17 < riel> ioctl(17, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 0xbfa8dd70) = 0
15:17 < riel> munmap(0xb79cc000, 4096
15:17 < riel> *BOOM*
15:18 < riel> the ioctl number is probably IOCTL_PRIVCMD_MMAP
15:18 < riel> yes, it is
15:32 < riel> *YUCK*
15:32 < riel> so we mmap /proc/xen/privcmd
15:32 < riel> and then we call an IOCTL to actually populate the mapping with pages
15:33 < riel> since we can't handle page faults at run time, and the mapping doesn't get set up at mmap time either
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17:01  * riel cries
17:02 < riel> this is a horrid mess
17:08 < matta> eh?
17:08 < eigood> looking at dpkg source?
17:08 < riel> no, drivers/xen/privmsg/privmsg.c
17:08 < matta> is it mainly gcc 4 issues?
17:09 < riel> in order to use an mmaped area through /proc/xen/privmsg, you:
17:09 < riel> 1) open the file
17:09 < riel> 2) mmap it
17:09 < riel> 3) call an IOCTL to populate the mmap !
17:09 < riel> of course, it oopses on munmap
17:09 < eigood> can you even mmap files in /proc?
17:09 < eigood> is that allowed thru the procfs interface?
17:10 < riel> mmap2(NULL, 4096, PROT_WRITE, MAP_SHARED, 17, 0) = 0xb79cc000
17:10 < riel> yes ;)
17:10 < riel> providing the file has an fops->mmap function
17:12 < eigood> so maybe the xen people don't know how to write said function
17:13 < riel> they have that one
17:13 < riel> otherwise the mmap2() above wouldn't have succeeded
17:13 < eigood> besides, this file sounds like it really needs to be in /dev
17:13 < riel> that's besides the point
17:14 < riel> the problem is that it oopses on munmap
17:14 < eigood> so the ioctl isn't doing the same structure mods as mmap
17:15 < riel> it _is_ doing mmap
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19:16 < amr> newbie question. Does the default binary install come with an image for domain 0; or must an image be installed to boot domain 0 with the binary files.
19:25 < cw> amr: dom0 usually ends up being your existing installation
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19:39 < xai> is it possible to access physical devices in xen0 from a xenU?
19:40 < xai> for some reason the faq is down.
19:40 < xai> The requested URL /Research/SRG/netos/xen/faq.html was not found on this server.
19:42 < rharper> xai: try: http://wiki.xensource.com/xenwiki/XenFaq
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22:49 < xai> Where are premade images of fedora, slackware, or rhel? if any..
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23:25 < aliguori> does anyone here boot their root partitions off of lvm?  i've been doing it with devfs but devfs seems to be completely non-functional in the latest version of xen-unstable
23:25 < aliguori> i can't seem to figure out how to do it without devfs in gentoo..
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23:47 < aliguori> hey rusty, how's the registry coming along?
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--- Log closed Mon Apr 25 23:59:00 2005