On Thu, Dec 23, 2010 at 02:30:34AM -0800, Jeremy Chadwick wrote: > On Thu, Dec 23, 2010 at 11:15:17AM +0200, Alex Kozlov wrote: >> Hi, stable >> >> Can anyone reproduce this? >> >> $uname >> FreeBSD 8.2-PRERELEASE #0: Thu Dec 23 10:11:09 i386 >> $cd /tmp >> $dd if=/dev/random of=junk bs=1024 count=1 >> 1+0 records in >> 1+0 records out >> 1024 bytes transferred in 0.000077 secs (13297112 bytes/sec) >> $tar cvf junk.tar junk >> a junk >> $xz -z9ck junk.tar >junk-z9.tar.xz >> $xz -ck junk.tar >junk.tar.xz >> $file junk.tar.xz junk-z9.tar.xz >> junk.tar.xz: XZ compressed data >> junk-z9.tar.xz: XZ compressed data >> $tar tvf junk.tar.xz >> -rw-r--r-- 0 kozlov kozlov 1024 Dec 23 10:52 junk >> $tar tvf junk-z9.tar.xz >> tar: Unrecognized archive format >> tar: Error exit delayed from previous errors. >> $xzcat junk.tar.xz>1 >> $xzcat junk-z9.tar.xz>2 >> $md5 -r junk.tar 1 2 >> d2f8de384f6dc1b3969c76ce7fe6ff00 junk.tar >> d2f8de384f6dc1b3969c76ce7fe6ff00 1 >> d2f8de384f6dc1b3969c76ce7fe6ff00 2 > > I can reproduce this problem on RELENG_8 dated November 27th, with > libarchive.so.5 confirmed to be linked to liblzma.so.5. > > The problem happens with any xz compression level 7 or higher. Yes, bsdtar from STABLE (bsdtar 2.7.0 - libarchive 2.7.0) autodetects xz up to -z6 (default), bsdtar from CURRENT (bsdtar 2.8.3 - libarchive 2.7.901a) recognizes xz with any compression level. $ls -l junk.tar.xz junk-z9.tar.xz -rw-r--r-- 1 kozlov kozlov 1200 Dec 23 11:02 junk-z9.tar.xz -rw-r--r-- 1 kozlov kozlov 1200 Dec 23 11:02 junk.tar.xz $cmp -x junk.tar.xz junk-z9.tar.xz 00000010 16 1c 00000014 74 10 00000015 2f cf 00000016 e5 58 00000017 a3 cc
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