| 1 |
Brian Harring ha scritto: |
| 2 |
> Rather then keep posting large patches here, just going to post them |
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> to dev.gentoo.org/~ferringb/portage/2.0 ... for example, |
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> http://dev.gentoo.org/~ferringb/portage/2.0/3.0-cache-backport-experimental-4.patch |
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> |
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> should be pulled rather then previous patch. |
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> |
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> Helluva lot easier for me since I can correct dumb ass mistakes like |
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> an import pdb for testing sliding into a patch :) |
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> |
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> Think that's probably a sign it's time for some sleep... |
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> ~harring |
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|
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premessa: |
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emerge metadata does not recreate the cache after a |
| 16 |
"rm -rf $PORTDIR/metadata/cache/*" . |
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The first thing that came in mind is that I'm missing something obvious. |
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|
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Today working on a different box, slower cpu, faster disk (ratio 2:1) |
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|
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sys-apps/portage-2.0.53_rc5 patched version |
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time emerge --metadata three times, first time with error trace |
| 23 |
real 3m43.162s 0m14.986s 0m14.124s |
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user 0m13.580s 0m10.790s 0m11.150s |
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sys 0m7.990s 0m3.280s 0m2.960s |
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|
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sys-apps/portage-2.0.53_rc5 vanilla |
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time emerge --metadata three times |
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real 0m47.913s 0m52.677s 0m37.448s |
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user 0m32.900s 0m31.720s 0m31.870s |
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sys 0m7.020s 0m6.440s 0m5.530s |
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|
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sys-apps/portage-2.0.53_rc5 patched version again |
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time emerge --metadata three times, first time with error trace |
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real 0m17.386s 0m14.029s 0m13.873s |
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user 0m12.110s 0m10.980s 0m10.820s |
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sys 0m3.950s 0m3.020s 0m3.040s |
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|
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=================== strace patched on last run |
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grep -c "..." strace |
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patched vanilla |
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^mmap2 11642 11218 |
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^open 14056 35048 |
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^read 3440 44880 |
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^fstat64 14269 76496 |
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^stat64 127923 180898 |
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|
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=================== cache file example |
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cat $PORTDIR/metadata/cache/sys-apps/portage-2.0.53_rc5 |
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>=dev-lang/python-2.2.1 |
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!build? ( >=sys-apps/sed-4.0.5 dev-python/python-fchksum |
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>=dev-lang/python-2.2.1 userland_GNU? ( sys-apps/debianutils ) |
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>=app-shells/bash-2.05a ) !userland_Darwin? ( sys-apps/sandbox ) |
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selinux? ( >=dev-python/python-selinux-2.15 ) |
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0 |
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mirror://gentoo/portage-2.0.53_rc5.tar.bz2 |
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http://dev.gentoo.org/~jstubbs/releases/portage-2.0.53_rc5.tar.bz2 |
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|
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http://www.gentoo.org/ |
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GPL-2 |
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The Portage Package Management System. The primary package management |
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and distribution system for Gentoo. |
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~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc-macos ~ppc64 ~s390 |
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~sh ~sparc ~x86 |
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multilib toolchain-funcs |
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build selinux |
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=================== cache file wc |
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wc $PORTDIR/metadata/cache/sys-apps/portage-2.0.53_rc5 |
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22 57 641 /usr/portage/metadata/cache/sys-apps/portage-2.0.53_rc5 |
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|
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=================== 1st run backtrace |
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>>> Updating Portage cache: 100% |
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File "/usr/bin/emerge", line 2740, in ? |
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mybestpv=portage.portdb.xmatch("bestmatch-visible","sys-apps/portage") |
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File "/usr/lib/portage/pym/portage.py", line 5486, in xmatch |
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myval=best(self.xmatch("match-visible",None,mydep=mydep,mykey=mykey)) |
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File "/usr/lib/portage/pym/portage.py", line 5497, in xmatch |
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|
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myval=match_from_list(mydep,self.xmatch("list-visible",None,mydep=mydep,mykey=mykey)) |
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File "/usr/lib/portage/pym/portage.py", line 5483, in xmatch |
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myval=self.gvisible(self.visible(self.cp_list(mykey))) |
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File "/usr/lib/portage/pym/portage.py", line 5581, in gvisible |
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keys, eapi = db["/"]["porttree"].dbapi.aux_get(mycpv, ["KEYWORDS", |
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"EAPI"]) |
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File "/usr/lib/portage/pym/portage.py", line 5215, in aux_get |
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elif len(mydata.get("_eclasses_", [])) > 0: |
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File "/usr/lib/python2.4/UserDict.py", line 158, in get |
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return self[key] |
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File "/usr/lib/portage/pym/cache/mappings.py", line 78, in __getitem__ |
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self.d.update(self.pull()) |
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File "/usr/lib/portage/pym/cache/flat_hash.py", line 29, in callit |
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return args[0](*args[1:]+args2) |
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File "/usr/lib/portage/pym/cache/flat_hash.py", line 47, in _pull |
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raise cache_errors.CacheCorruption(cpv, e) |
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File "/usr/lib/portage/pym/cache/cache_errors.py", line 18, in __init__ |
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import traceback;traceback.print_stack() |
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File "/usr/bin/emerge", line 2740, in ? |
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mybestpv=portage.portdb.xmatch("bestmatch-visible","sys-apps/portage") |
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File "/usr/lib/portage/pym/portage.py", line 5486, in xmatch |
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myval=best(self.xmatch("match-visible",None,mydep=mydep,mykey=mykey)) |
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File "/usr/lib/portage/pym/portage.py", line 5497, in xmatch |
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|
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myval=match_from_list(mydep,self.xmatch("list-visible",None,mydep=mydep,mykey=mykey)) |
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File "/usr/lib/portage/pym/portage.py", line 5483, in xmatch |
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myval=self.gvisible(self.visible(self.cp_list(mykey))) |
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File "/usr/lib/portage/pym/portage.py", line 5581, in gvisible |
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keys, eapi = db["/"]["porttree"].dbapi.aux_get(mycpv, ["KEYWORDS", |
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"EAPI"]) |
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File "/usr/lib/portage/pym/portage.py", line 5215, in aux_get |
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elif len(mydata.get("_eclasses_", [])) > 0: |
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File "/usr/lib/python2.4/UserDict.py", line 158, in get |
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return self[key] |
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File "/usr/lib/portage/pym/cache/mappings.py", line 78, in __getitem__ |
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self.d.update(self.pull()) |
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File "/usr/lib/portage/pym/cache/flat_hash.py", line 29, in callit |
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return args[0](*args[1:]+args2) |
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File "/usr/lib/portage/pym/cache/flat_hash.py", line 47, in _pull |
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raise cache_errors.CacheCorruption(cpv, e) |
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File "/usr/lib/portage/pym/cache/cache_errors.py", line 18, in __init__ |
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import traceback;traceback.print_stack() |
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|
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=================== trace of normal emerge |
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# emerge -av portage |
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|
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These are the packages that I would merge, in order: |
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|
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Calculating dependencies File "/usr/bin/emerge", line 3111, in ? |
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retval,favorites=mydepgraph.select_files(myfiles) |
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File "/usr/bin/emerge", line 1117, in select_files |
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self.mysd = self.select_dep(portage.root,mykey,arg=x) |
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File "/usr/bin/emerge", line 1226, in select_dep |
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myeb_matches = portage.portdb.xmatch("match-visible",x) |
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File "/usr/lib/portage/pym/portage.py", line 5497, in xmatch |
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|
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myval=match_from_list(mydep,self.xmatch("list-visible",None,mydep=mydep,mykey=mykey)) |
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File "/usr/lib/portage/pym/portage.py", line 5483, in xmatch |
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myval=self.gvisible(self.visible(self.cp_list(mykey))) |
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File "/usr/lib/portage/pym/portage.py", line 5581, in gvisible |
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keys, eapi = db["/"]["porttree"].dbapi.aux_get(mycpv, ["KEYWORDS", |
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"EAPI"]) |
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File "/usr/lib/portage/pym/portage.py", line 5215, in aux_get |
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elif len(mydata.get("_eclasses_", [])) > 0: |
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File "/usr/lib/python2.4/UserDict.py", line 158, in get |
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return self[key] |
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File "/usr/lib/portage/pym/cache/mappings.py", line 78, in __getitem__ |
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self.d.update(self.pull()) |
| 147 |
File "/usr/lib/portage/pym/cache/flat_hash.py", line 29, in callit |
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return args[0](*args[1:]+args2) |
| 149 |
File "/usr/lib/portage/pym/cache/flat_hash.py", line 47, in _pull |
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raise cache_errors.CacheCorruption(cpv, e) |
| 151 |
File "/usr/lib/portage/pym/cache/cache_errors.py", line 18, in __init__ |
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import traceback;traceback.print_stack() |
| 153 |
...done! |
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[ebuild R ] sys-apps/portage-2.0.53_rc5 -build (-selinux) 0 kB |
| 155 |
=================== hw/sw info |
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hdparm -tT /dev/hda3 |
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Timing cached reads: 676 MB in 2.00 seconds = 338.00 MB/sec |
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Timing buffered disk reads: 122 MB in 3.04 seconds = 40.13 MB/sec |
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|
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dev-lang/python: 2.3.5, 2.4.2 |
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sys-apps/sandbox: 1.2.13 |
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|
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cat /proc/cpuinfo |
| 164 |
processor : 0 |
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vendor_id : AuthenticAMD |
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cpu family : 6 |
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model : 7 |
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model name : AMD Duron(tm) Processor |
| 169 |
stepping : 1 |
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cpu MHz : 1211.995 |
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cache size : 64 KB |
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fdiv_bug : no |
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hlt_bug : no |
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f00f_bug : no |
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coma_bug : no |
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fpu : yes |
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fpu_exception : yes |
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cpuid level : 1 |
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wp : yes |
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flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca |
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cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow |
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bogomips : 2427.41 |
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|
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-- |
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