Date: Thu, 24 Jul 2014 09:46:53 +0200 From: Kristof Provost <kristof@sigsegv.be> To: freebsd-fs@freebsd.org Subject: Re: ZFS panic on zvol resize Message-ID: <20140724074653.GQ2406@vega.codepro.be> In-Reply-To: <20140704194750.GU75721@vega.codepro.be> References: <20140704194750.GU75721@vega.codepro.be>
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Filed as #192085. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192085 Regards, Kristof On 2014-07-04 21:47:50 (+0200), Kristof Provost <kristof@sigsegv.be> wrote: > Hi, > > On current r268263 (and also on stable-10 r268263) I can reliably panic > the machine by simply attempting to resize a zvol: > > # zfs create tank/zvol > # zfs set mountpoint=none tank/zvol > # zfs create -V100G tank/zvol/disk0 > # zfs set volsize=200G tank/zvol/disk0 > > It produces the following panic: > > panic: solaris assert: !rrw_held(&dp->dp_config_rwlock, RW_READER), file: /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c, line: 1120 > cpuid = 1 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01217d54b0 > kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe01217d5560 > vpanic() at vpanic+0x126/frame 0xfffffe01217d55a0 > panic() at panic+0x43/frame 0xfffffe01217d5600 > assfail() at assfail+0x1d/frame 0xfffffe01217d5610 > dsl_pool_hold() at dsl_pool_hold+0x67/frame 0xfffffe01217d5650 > dmu_objset_hold() at dmu_objset_hold+0x21/frame 0xfffffe01217d5690 > dsl_prop_get_integer() at dsl_prop_get_integer+0x28/frame 0xfffffe01217d56d0 > zvol_set_volsize() at zvol_set_volsize+0x126/frame 0xfffffe01217d5760 > zfs_prop_set_special() at zfs_prop_set_special+0x2e2/frame 0xfffffe01217d57f0 > zfs_set_prop_nvlist() at zfs_set_prop_nvlist+0x23f/frame 0xfffffe01217d5880 > zfs_ioc_set_prop() at zfs_ioc_set_prop+0x106/frame 0xfffffe01217d58e0 > zfsdev_ioctl() at zfsdev_ioctl+0x6ee/frame 0xfffffe01217d5990 > devfs_ioctl_f() at devfs_ioctl_f+0xfb/frame 0xfffffe01217d59f0 > kern_ioctl() at kern_ioctl+0x22b/frame 0xfffffe01217d5a50 > sys_ioctl() at sys_ioctl+0x13c/frame 0xfffffe01217d5aa0 > amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe01217d5bb0 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe01217d5bb0 > --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8019e89ba, rsp = 0x7fffffffb8c8, rbp = 0x7fffffffb940 --- > Uptime: 2m18s > Automatic reboot in 15 seconds - press a key on the console to abort > > Please let me know if there's any other information which could be > helpful, or any patch I could test. > > Regards, > Kristof > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
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