TheGrebs.com:IRC Logs:#uml:2006:07:10

---	Log	opened Mon Jul 10 00:00:05 2006
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04:44	<sandrosh>	hello!
04:44	<sandrosh>	anyone has a clue why this happens?
04:44	<sandrosh>	Checking for the skas3 patch in the host: - /proc/mm...found - PTRACE_FAULTINFO...not found - PTRACE_LDT...foundUML running in SKAS0 mode
04:45	<sandrosh>	they should either be found all the three or none of them
04:45	<sandrosh>	a little bit after, in fact, everything crashes after some OOPS
04:45	<sandrosh>	VFS: Mounted root (ext3 filesystem) readonly.Kernel panic - not syncing: map_stub_pages : /proc/mm map for code failed, err = 22
04:46	<sandrosh>	on the bottom of the stackdump there is60287dc8: [<600143e0>] new_thread_handler+0xf1/0x127
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07:01	<dgraves>	sandrosh: the first happens because you are not running in skas 3 mode. did you apply the whole skas3 patch to your host?
07:14	<sandrosh>	dgraves: yes
07:15	<sandrosh>	and it works if i compile with SUBARCH=i386
07:15	<sandrosh>	there must be a bug in SUBARCH=x86_64
07:15	<sandrosh>	the patch i am referring to is...
07:15	<sandrosh>	(bitte warten...)
07:16	<sandrosh>	2.6.16-bs2 i believe
07:19	<dgraves>	bitte warten = hold on?
07:19	<sandrosh>	yep
07:19	<dgraves>	just a bit?
07:19	<dgraves>	whee! my wife would be proud of me. :)
07:19	<sandrosh>	no, it should be "please wait"
07:19	<sandrosh>	is she german?
07:19	<sandrosh>	anyway i'm italian :)
07:19	<dgraves>	100%, apparently. not that she grew up there. ;_P
07:20	<sandrosh>	lol
07:20	<dgraves>	she just took a lot of courses, and they speak it in her family.
07:20	<dgraves>	go figure.
07:20	<sandrosh>	sorry. go figure what?
07:20	<sandrosh>	your wife and her family life?
07:21	<dgraves>	wait. the bs2 patch wasn't supposed to be applied to the host, was it?
07:21	<sandrosh>	let me check
07:21	<dgraves>	nah, just go figure that she's never been to germany even though she's 100%.
07:22	<sandrosh>	it's a guest patch, so it's fine
07:22	<dgraves>	okay. and what patch did you apply to the host?
07:23	<sandrosh>	-skas3-v9-pre9
07:24	<dgraves>	hrm. i haven't done 9 yet.
07:24	<sandrosh>	precisely: skas-2.6.16-v9-pre9/
07:24	<sandrosh>	dgraves: have you got an x86_64 ?
07:25	<dgraves>	no, not that either. :)
07:25	<dgraves>	jdike should be on in.. oh, 2 hours or so.
07:25	<dgraves>	you should probably ask him.
07:27	<sandrosh>	sure, i'll wait
07:28	<sandrosh>	it's always good if i can help a little bit by pointing out there might be a bug, even though i am interested in having i386 guests and they simply work for me =)
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08:53	<jdike>	Hi guys
08:54	<dgraves>	morning jdike.
08:54	<dgraves>	sandrosh has a question. :)
08:55	<jdike>	Uh oh
09:10	<dgraves>	actually, he was just theorizing that skas3 was broken on x86_64.
09:11	<dgraves>	Checking for the skas3 patch in the host: - /proc/mm...found - PTRACE_FAULTINFO...not found - PTRACE_LDT...foundUML running in SKAS0 mode
09:11	<dgraves>	<sandrosh> they should either be found all the three or none of them
09:11	<dgraves>	<sandrosh> a little bit after, in fact, everything crashes after some OOPS
09:11	<dgraves>	<sandrosh> VFS: Mounted root (ext3 filesystem) readonly.Kernel panic - not syncing: map_stub_pages : /proc/mm map for code failed, err = 22
09:11	<dgraves>	<sandrosh> on the bottom of the stackdump there is60287dc8: [<600143e0>] new_thread_handler+0xf1/0x127
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09:24	<sandrosh>	hello there
09:24	<dgraves>	hi again.
09:25	<sandrosh>	sorry, was discussing about yesterday's match =)
09:26	<sandrosh>	catched up
09:27	<sandrosh>	jdike: if i compile for i386 (yes, i could easily do that with ARCH=um and SUBARCH=i386, restarting from defconfig again) then i've got three "found" in a line
09:27	<sandrosh>	and i am still choosing Opteron as my host processor type
09:39	<sandrosh>	the wierd thing is now that with some filesystems it hangs if in skas3 mode
09:39	<sandrosh>	in skas0 it doesn't hang
09:39	<sandrosh>	and with other filesystems it doesn't hang in skas3 mode either
09:40	<sandrosh>	for example busybox32-root_fs from nagafix works like a charm
09:41	<sandrosh>	Gentoo-2006.0-x86-root_fs just works in skas0
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13:10	<fo0bar>	10:53:09 up 14666 days, 14:55, 1 user, load average: 2.00, 2.29, 2.66
13:11	<kokoko1>	OMG
13:11	<kokoko1>	what is this?
13:11	<fo0bar>	I seem to remember somebody talking about this... 2.6.17 kernel... is there a fix?
13:11	<dgraves>	fo0bar: reboot your machine more often?
13:11	<fo0bar>	dgraves: :)
13:12	<fo0bar>	I believe I brought this instance up friday
13:12	<fo0bar>	(two of them actuall, both have the problem)
13:12	<dgraves>	then quick, submit your wormhole code!
13:15	<kokoko1>	dgraves, yo
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13:35	<jdike>	fo0bar, that'
13:36	<jdike>	's fixed in 2.6.17.1
13:40	<fo0bar>	jdike: hmm, I compiled it against debian's 2.6.17-2 sources, which, according to the changelog, include 2.6.17.1
13:40	[~]	fo0bar digs
13:40	<fo0bar>	thanks
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13:40	<jdike>	there should be a one-line unsigned -> signed patch in there
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13:42	<fo0bar>	... all I see in kernel.org's .1 is a 1-line SCTP fix
13:43	<fo0bar>	ahh, it's .2
13:54	<jdike>	whoops, OK
14:00	<dgraves>	yo kokoko1
14:00	<dgraves>	::LOL::
14:00	<dgraves>	amazing what happens when you go negative. ;)
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17:41	[~]	trampled wishes they all could be california girls
18:04	[~]	dgraves hums along.
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18:32	<fo0bar>	16:32:22 up 52 min, 1 user, load average: 2.01, 2.39, 2.58
18:33	<fo0bar>	what the... I added the uptime fix patch, and one of the 2 2.6.17 instances is fine now... but the other has a base load of 2.00, and rwhod is still out of control
18:39	<fo0bar>	the times between the two are also off by about 5 minutes (they're both on the same host)
18:39	<fo0bar>	grrr
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---	Log	closed Tue Jul 11 00:00:17 2006