Date: Sat, 30 Jan 2021 16:22:39 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: freebsd-fs@freebsd.org Subject: UFS (softdep) deadlock(?) Message-ID: <24264795-C05C-433C-A57E-87869EA6F0EE@lists.zabbadoz.net>
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Hi, while building some packages on arm64/HEAD (this is recursively so don’t ask me how it got there): .. ===> Building for libmspack-0.10.1 <hang> I was wondering so I checked on serial console and found this: 65634 1 DN 1:15.69 mkdir mspack/.libs 65640 1 DN 1:16.12 mkdir mspack/.libs 65650 1 DN 1:15.18 mkdir mspack/.libs 65651 1 DN 1:16.31 mkdir mspack/.libs 65652 1 DN 1:15.22 mkdir mspack/.libs 65653 1 DN 1:16.11 mkdir mspack/.libs 65654 1 DN 1:15.13 mkdir mspack/.libs 65705 1 DN 1:15.04 mkdir mspack/.libs 65706 1 DN 1:15.22 mkdir mspack/.libs 65707 1 DN 1:15.87 mkdir mspack/.libs 65708 1 DN 1:15.71 mkdir mspack/.libs 65709 1 DN 1:15.64 mkdir mspack/.libs 65710 1 DN 1:16.39 mkdir mspack/.libs 65711 1 DN 1:15.65 mkdir mspack/.libs 65712 1 DN 1:14.97 mkdir mspack/.libs 65713 1 DN 1:15.04 mkdir mspack/.libs PID TID COMM TDNAME KSTACK 65634 101149 mkdir - mi_switch sleeplk lockmgr_xlock_hard ffs_lock vn_lock_pair softdep_prelink ufs_mkdir VOP_MKDIR_APV kern_mkdirat do_el0_sync handle_el0_sync 65640 101134 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65650 101099 mkdir - <running> 65651 101174 mkdir - <running> 65652 197951 mkdir - <running> 65653 102615 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65654 101140 mkdir - mi_switch sleeplk lockmgr_xlock_hard ffs_lock vn_lock_pair softdep_prelink ufs_mkdir VOP_MKDIR_APV kern_mkdirat do_el0_sync handle_el0_sync 65705 116563 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65706 117852 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65707 101101 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65708 100214 mkdir - mi_switch sleeplk lockmgr_xlock_hard ffs_lock vn_lock_pair softdep_prelink ufs_mkdir VOP_MKDIR_APV kern_mkdirat do_el0_sync handle_el0_sync 65709 105512 mkdir - <running> 65710 101203 mkdir - mi_switch sleeplk lockmgr_xlock_hard ffs_lock _vn_lock lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65711 100180 mkdir - <running> 65712 100218 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync 65713 100141 mkdir - mi_switch sleeplk lockmgr_slock_hard ffs_lock _vn_lock vget_finish cache_lookup vfs_cache_lookup lookup namei kern_mkdirat do_el0_sync handle_el0_sync I’ll probably have to reboot to get out of this but I’ll let it sit for a few minutes in case someone has questions. /bz
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