| --- | Log | opened Wed Dec 03 00:00:43 2008 |
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| 03:53 | <goodmen:#uml> | Who can tell me where can i config the humfs? |
| 03:54 | <goodmen:#uml> | I grep the kernel source code in a whole, and can even find the string "humfs" |
| 04:00 | <goodmen:#uml> | Who knows humfs |
| 04:09 | <goodmen:#uml> | OK, Googl help me to find the answer |
| 04:10 | <goodmen:#uml> | That is humfs is not merged into the kernel trunk tree due to some bugs |
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| 10:51 | <jdike:#uml> | Hi guys |
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| 11:51 | <KochBlau:#uml> | hey there |
| 11:51 | <KochBlau:#uml> | I ran into trouble getting UML to work and cannot find a solution |
| 11:51 | <KochBlau:#uml> | my problem is quite similar to http://www.linode.com/uml/irc/logs/uml.log-2006-07-10 |
| 11:51 | <KochBlau:#uml> | when i fire it up after i applied the latest SKAS patch |
| 11:52 | <KochBlau:#uml> | for host kernel 2.6.20 |
| 11:52 | <KochBlau:#uml> | i get |
| 11:52 | <KochBlau:#uml> | UML running in SKAS0 mode |
| 11:52 | <KochBlau:#uml> | and later on |
| 11:52 | <KochBlau:#uml> | mmap args - addr = 0x100000, fd = 3, offset = 171000 |
| 11:52 | <KochBlau:#uml> | map_stub_pages : /proc/mm map for code failed, err = 22 |
| 11:52 | <KochBlau:#uml> | init_new_context_skas - new_mm failed, errno = -22 |
| 11:52 | <KochBlau:#uml> | Bad page state in process 'swapper' |
| 11:52 | <KochBlau:#uml> | then i get a kernel oops |
| 11:52 | <KochBlau:#uml> | and the vmlinux process segfaults |
| 11:52 | <KochBlau:#uml> | any ideas? |
| 11:52 | <KochBlau:#uml> | i'm on x86_64, btw |
| 11:53 | <KochBlau:#uml> | host patch is 2.6.20-skas3-v9-pre9 |
| 11:53 | <KochBlau:#uml> | guest runs 2.6.26.11 |
| 11:56 | <jdike:#uml> | increase /proc/sys/vm/max_map_count |
| 11:57 | <KochBlau:#uml> | to what value? |
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| 11:57 | * | caker:#uml raises pinky to chin |
| 11:57 | <caker:#uml> | one million |
| 11:57 | <KochBlau:#uml> | alright |
| 11:57 | <KochBlau:#uml> | currently at 65k |
| 11:57 | <jdike:#uml> | /me shuts up caker |
| 11:57 | <KochBlau:#uml> | 65k |
| 11:57 | <KochBlau:#uml> | 64k argh |
| 11:58 | <jdike:#uml> | whatever your physical memory is |
| 11:58 | <KochBlau:#uml> | nope |
| 11:58 | <jdike:#uml> | max_map_count * 4096 should be >= that |
| 11:58 | <KochBlau:#uml> | ok, alright |
| 11:58 | <KochBlau:#uml> | i got 4gb of ram |
| 11:58 | <jdike:#uml> | UML physical memory |
| 11:58 | <jdike:#uml> | not hosty |
| 11:58 | <jdike:#uml> | host |
| 11:59 | <jdike:#uml> | another way to put it, UML physical memory/4096 <= max_map_count |
| 11:59 | <KochBlau:#uml> | hmm, no didn't work |
| 11:59 | <KochBlau:#uml> | i tried |
| 11:59 | <KochBlau:#uml> | joe [/home/joe/UML/linux-2.6.26.1]: echo $((8*1024*1024)) >/proc/sys/vm/max_map_count |
| 11:59 | <KochBlau:#uml> | joe [/home/joe/UML/linux-2.6.26.1]: cat /proc/sys/vm/max_map_count |
| 11:59 | <KochBlau:#uml> | 8388608 |
| 11:59 | <KochBlau:#uml> | and started uml with |
| 11:59 | <KochBlau:#uml> | ./vmlinux ubda=filesys1.img mem=128M |
| 11:59 | <KochBlau:#uml> | but it still segfaults |
| 12:00 | <KochBlau:#uml> | when i fire it up with noprocmm, it runs |
| 12:00 | <jdike:#uml> | hmm, ok not that |
| 12:02 | <jdike:#uml> | what's in /proc/sys/vm/mmap_min_addr? |
| 12:02 | <KochBlau:#uml> | no such file or dir... |
| 12:02 | <jdike:#uml> | well |
| 12:03 | <jdike:#uml> | guess it's not that either |
| 12:03 | <jdike:#uml> | tried a more recent host kernel? |
| 12:03 | <KochBlau:#uml> | host or guest? |
| 12:03 | <KochBlau:#uml> | guest is the most recent |
| 12:03 | <KochBlau:#uml> | host is the most recent where SKAS patches are available |
| 12:05 | <jdike:#uml> | there's more recent skas patches |
| 12:06 | <KochBlau:#uml> | oh okay, can you tell me where? |
| 12:07 | <jdike:#uml> | http://user-mode-linux.sourceforge.net/skas3-2.6.23.patch |
| 12:07 | <KochBlau:#uml> | alright thanks |
| 12:07 | <KochBlau:#uml> | i'll try that immediately |
| 12:25 | <KochBlau:#uml> | ehrm |
| 12:25 | <KochBlau:#uml> | the kern doesn't compile with the latest skas3 patch |
| 12:25 | <KochBlau:#uml> | it says that it cant find the include mm.h although it's there |
| 12:26 | <KochBlau:#uml> | CC arch/x86_64/kernel/asm-offsets.s |
| 12:26 | <KochBlau:#uml> | In file included from include/linux/suspend.h:11, |
| 12:26 | <KochBlau:#uml> | from arch/x86_64/kernel/asm-offsets.c:12: |
| 12:26 | <KochBlau:#uml> | include/linux/mm.h:8:27: error: linux/proc_mm.h: No such file or directory |
| 12:26 | <KochBlau:#uml> | make[1]: *** [arch/x86_64/kernel/asm-offsets.s] Error 1 |
| 12:26 | <KochBlau:#uml> | make: *** [prepare0] Error 2 |
| 12:27 | <jdike:#uml> | 2.6.23? |
| 12:27 | <KochBlau:#uml> | yup |
| 12:28 | <KochBlau:#uml> | i'll reboot into 2.6.20 with changed host network configuration (different stuff i'm working on concurrently) |
| 12:28 | <KochBlau:#uml> | i'Ll be right back! |
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| 12:37 | <KochBlau:#uml> | okay, back :-) |
| 12:59 | <KochBlau:#uml> | any idea why 2.6.23 doesn't compile with the patch? |
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| 13:08 | <jdike:#uml> | let me try building here and see what happens |
| 13:08 | <KochBlau:#uml> | alright, thanks :) |
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| 15:56 | <KochBlau:#uml> | jdike: did you already try out if it works at your computer? |
| 16:23 | <jdike:#uml> | not yet, sorry |
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| 16:29 | <KochBlau:#uml> | no problem |
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| --- | Log | closed Thu Dec 04 00:00:04 2008 |
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