Today, suddenly, without any apparent reason that I can find, I'm getting panic's during zpool import. The system paniced earlier today and has been suffering since. This is snv_43 on a thumper. Here's the stack:
panic[cpu0]/thread=ffffffff99adbac0: assertion failed: ss != NULL, file: ../../common/fs/zfs/space_map.c, line: 145 fffffe8000a240a0 genunix:assfail+83 () fffffe8000a24130 zfs:space_map_remove+1d6 () fffffe8000a24180 zfs:space_map_claim+49 () fffffe8000a241e0 zfs:metaslab_claim_dva+130 () fffffe8000a24240 zfs:metaslab_claim+94 () fffffe8000a24270 zfs:zio_dva_claim+27 () fffffe8000a24290 zfs:zio_next_stage+6b () fffffe8000a242b0 zfs:zio_gang_pipeline+33 () fffffe8000a242d0 zfs:zio_next_stage+6b () fffffe8000a24320 zfs:zio_wait_for_children+67 () fffffe8000a24340 zfs:zio_wait_children_ready+22 () fffffe8000a24360 zfs:zio_next_stage_async+c9 () fffffe8000a243a0 zfs:zio_wait+33 () fffffe8000a243f0 zfs:zil_claim_log_block+69 () fffffe8000a24520 zfs:zil_parse+ec () fffffe8000a24570 zfs:zil_claim+9a () fffffe8000a24750 zfs:dmu_objset_find+2cc () fffffe8000a24930 zfs:dmu_objset_find+fc () fffffe8000a24b10 zfs:dmu_objset_find+fc () fffffe8000a24bb0 zfs:spa_load+67b () fffffe8000a24c20 zfs:spa_import+a0 () fffffe8000a24c60 zfs:zfs_ioc_pool_import+79 () fffffe8000a24ce0 zfs:zfsdev_ioctl+135 () fffffe8000a24d20 genunix:cdev_ioctl+55 () fffffe8000a24d60 specfs:spec_ioctl+99 () fffffe8000a24dc0 genunix:fop_ioctl+3b () fffffe8000a24ec0 genunix:ioctl+180 () fffffe8000a24f10 unix:sys_syscall32+101 () syncing file systems... done This is almost identical to a post to this list over a year ago titled "ZFS Panic". There was follow up on it but the results didn't make it back to the list. I spent time doing a full sweep for any hardware failures, pulled 2 drives that I suspected as problematic but weren't flagged as such, etc, etc, etc. Nothing helps. Bill suggested a 'zpool import -o ro' on the other post, but thats not working either. I _can_ use 'zpool import' to see the pool, but I have to force the import. A simple 'zpool import' returns output in about a minute. 'zpool import -f poolname' takes almost exactly 10 minutes every single time, like it hits some timeout and then panics. I did notice that while the 'zpool import' is running 'iostat' is useless, just hangs. I still want to believe this is some device misbehaving but I have no evidence to support that theory. Any and all suggestions are greatly appreciated. I've put around 8 hours into this so far and I'm getting absolutely nowhere. Thanks benr. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
