Hi Masthan, There was a race in the block allocation code which allocates a single disk block to two consumers. The system will trip when both the consumers try to free the block.
-- Prabahar. On Oct 9, 2007, at 4:20 AM, dudekula mastan wrote: > Hi Jeyaram, > > Thanks for your reply. Can you explain more about this bug ? > > Regards > Masthan D > > Prabahar Jeyaram <[EMAIL PROTECTED]> wrote: > Your system seem to have hit a variant of BUG : > > 6458218 - http://bugs.opensolaris.org/view_bug.do?bug_id=6458218 > > This is fixed in Opensolaris Build 60 or S10U4. > > -- > Prabahar. > > > On Oct 8, 2007, at 10:04 PM, dudekula mastan wrote: > > > Hi All, > > > > Any one has any chance to look into this issue ? > > > > -Masthan D > > > > dudekula mastan wrote: > > > > Hi All, > > > > While pumping IO on a zfs file system my ststem is crashing/ > > panicing. Please find the crash dump below. > > > > panic[cpu0]/thread=2a100adfcc0: assertion failed: ss != NULL, > > file: ../../common/fs/zfs/space_map.c, line: 125 > > 000002a100adec40 genunix:assfail+74 (7b652448, 7b652458, 7d, > > 183d800, 11ed400, 0) > > %l0-3: 0000000000000000 0000000000000000 00000000011e7508 > > 000003000744ea30 > > %l4-7: 00000000011ed400 0000000000000000 000000000186fc00 > > 0000000000000000 > > 000002a100adecf0 zfs:space_map_remove+b8 (3000683e7b8, 2b200000, > > 20000, 7b652000, 7b652400, 7b652400) > > %l0-3: 0000000000000000 000000002b220000 000000002b0ec600 > > 000003000744ebc0 > > %l4-7: 000003000744eaf8 000000002b0ec000 000000007b652000 > > 000000002b0ec600 > > 000002a100adedd0 zfs:space_map_load+218 (3000683e7b8, 30006f5f160, > > 1000, 3000683e488, 2b000000, 1) > > %l0-3: 0000000000000160 0000030006f5f000 0000000000000000 > > 000000007b620ad0 > > %l4-7: 000000007b62086c 00007fffffffffff 0000000000007fff > > 0000030006f5f128 > > 000002a100adeea0 zfs:metaslab_activate+3c (3000683e480, > > 8000000000000000, c000000000000000, 24a998, 3000683e480, c0000000) > > %l0-3: 0000000000000000 0000000000000008 0000000000000000 > > 0000029ebf9d0000 > > %l4-7: 00000000704e2000 000003000391e940 0000030005572540 > > 00000300060bacd0 > > 000002a100adef50 zfs:metaslab_group_alloc+1bc (3fffffffffffffff, > > 20000, 8000000000000000, 7e68000, 30006766080, ffffffffffffffff) > > %l0-3: 0000000000000000 00000300060bacd8 0000000000000001 > > 000003000683e480 > > %l4-7: 8000000000000000 0000000000000000 0000000003f34000 > > 4000000000000000 > > 000002a100adf030 zfs:metaslab_alloc_dva+114 (0, 7e68000, > > 30006766080, 20000, 30005572540, 1e910) > > %l0-3: 0000000000000001 0000000000000000 0000000000000003 > > 000003000380b6e0 > > %l4-7: 0000000000000000 00000300060bacd0 0000000000000000 > > 00000300060bacd0 > > 000002a100adf100 zfs:metaslab_alloc+2c (3000391e940, 20000, > > 30006766080, 1, 1e910, 0) > > %l0-3: 0000009980001605 0000000000000016 0000000000001b4d > > 0000000000000214 > > %l4-7: 0000000000000000 0000000000000000 000003000391e940 > > 0000000000000001 > > 000002a100adf1b0 zfs:zio_dva_allocate+4c (30005dd8a40, 7b6335a8, > > 30006766080, 704e2508, 704e2400, 20001) > > %l0-3: 0000030005dd8a40 0000060200ff00ff 0000060200ff00ff > > 0000000000000000 > > %l4-7: 0000000000000000 00000000018a6400 0000000000000001 > > 0000000000000006 > > 000002a100adf260 zfs:zio_write_compress+1ec (30005dd8a40, 23e20b, > > 23e000, ff00ff, 2, 30006766080) > > %l0-3: 000000000000ffff 00000000000000ff 0000000000000100 > > 0000000000020000 > > %l4-7: 0000000000000000 0000000000ff0000 000000000000fc00 > > 00000000000000ff > > 000002a100adf330 zfs:arc_write+e4 (30005dd8a40, 3000391e940, 6, 2, > > 1, 1e910) > > %l0-3: ffffffffffffffff 000000007b6063c8 0000030006af2570 > > 00000300060c5cf0 > > %l4-7: 000002a100adf538 0000000000000004 0000000000000004 > > 00000300060c7a88 > > 000002a100adf440 zfs:dbuf_sync+6c0 (30006af2570, 30005dd9440, > > 2b3ca, 2, 6, 1e910) > > %l0-3: 0000030005dd96c0 0000000000000000 0000030006ae7750 > > 0000030006af2678 > > %l4-7: 0000030006766080 0000000000000013 0000000000000001 > > 0000000000000000 > > 000002a100adf560 zfs:dnode_sync+35c (0, 0, 30005dd9440, > > 30005ac8cc0, 2, 2) > > %l0-3: 0000030006af2570 0000030006ae77a8 0000030006ae7808 > > 0000030006ae7808 > > %l4-7: 0000000000000000 0000030006ae77a8 0000000000000001 > > 000003000640ace0 > > 000002a100adf620 zfs:dmu_objset_sync_dnodes+6c (30005dd96c0, > > 30005dd97a0, 30005ac8cc0, 30006ae7750, 30006bd3ca0, 0) > > %l0-3: 00000000704e84c0 00000000704e8000 00000000704e8000 > > 0000000000000001 > > %l4-7: 0000000000000000 00000000704e4000 0000000000000000 > > 0000030005dd9440 > > 000002a100adf6d0 zfs:dmu_objset_sync+54 (30005dd96c0, 30005ac8cc0, > > 0, 0, 300060c5318, 1e910) > > %l0-3: 0000000000000000 000000000000000f 0000000000000000 > > 000000000000478d > > %l4-7: 0000030005dd97a0 0000000000000000 0000030005dd97a0 > > 0000030005dd9820 > > 000002a100adf7e0 zfs:dsl_dataset_sync+c (30006f36780, 30005ac8cc0, > > 30006f36810, 300040c7db8, 300040c7db8, 30006f36780) > > %l0-3: 0000000000000001 0000000000000007 00000300040c7e38 > > 0000000000000000 > > %l4-7: 0000030006f36808 0000000000000000 0000000000000000 > > 0000000000000000 > > 000002a100adf890 zfs:dsl_pool_sync+64 (300040c7d00, 1e910, > > 30006f36780, 30005ac9640, 30005581a80, 30005581aa8) > > %l0-3: 0000000000000000 000003000391ed00 0000030005ac8cc0 > > 00000300040c7e98 > > %l4-7: 00000300040c7e68 00000300040c7e38 00000300040c7da8 > > 0000030005dd9440 > > 000002a100adf940 zfs:spa_sync+1b0 (3000391e940, 1e910, 0, 0, > > 2a100adfcc4, 1) > > %l0-3: 000003000391eb00 000003000391eb10 000003000391ea28 > > 0000030005ac9640 > > %l4-7: 0000000000000000 000003000410f580 00000300040c7d00 > > 000003000391eac0 > > 000002a100adfa00 zfs:txg_sync_thread+134 (300040c7d00, 1e910, 0, > > 2a100adfab0, 300040c7e10, 300040c7e12) > > %l0-3: 00000300040c7e20 00000300040c7dd0 0000000000000000 > > 00000300040c7dd8 > > %l4-7: 00000300040c7e16 00000300040c7e14 00000300040c7dc8 > > 000000000001e911 > > syncing file systems... [1] 16 [1] 6 [1] [1] [1] [1] [1] [1] [1] > > [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] done (not > > all i/o completed) > > dumping to /dev/dsk/c1t0d0s1, offset 429916160, content: kernel\ > > > > > > Unfortunately I dont have much idea on crash dump analsys. Can any > > one explain why my machine went down ? > > > > -Masthan D > > Don't let your dream ride pass you by. Make it a reality with > > Yahoo! Autos. _______________________________________________ > > zfs-discuss mailing list > > zfs-discuss@opensolaris.org > > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > > > > > > Looking for a deal? Find great prices on flights and hotels with > > Yahoo! FareChase. > > _______________________________________________ > > zfs-discuss mailing list > > zfs-discuss@opensolaris.org > > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > > > > Check out the hottest 2008 models today at Yahoo! Autos. > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
