Date: Fri, 10 Nov 2023 11:12:32 +0100 (CET) From: Ronald Klop <ronald-lists@klop.ws> To: current@freebsd.org Subject: crash zfs_clone_range() Message-ID: <349700057.3452.1699611152405@localhost>
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------=_Part_3451_1193281966.1699611152304 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Hi, Had this crash today on RPI4/15-CURRENT. FreeBSD rpi4 15.0-CURRENT FreeBSD 15.0-CURRENT #19 main-b0203aaa46-dirty: Sat Nov 4 11:48:33 CET 2023 ronald@rpi4:/home/ronald/dev/freebsd/obj/home/ronald/dev/freebsd/src/arm64.aarch64/sys/GENERIC-NODEBUG arm64 $ sysctl -a | grep bclon vfs.zfs.bclone_enabled: 1 I started a jail with poudriere to build a package. The jail uses null mounts over ZFS. [root]# cu -s 115200 -l /dev/cuaU0 Connected db> bt Tracing pid 95213 tid 100438 td 0xffff0000e1e97900 db_trace_self() at db_trace_self db_stack_trace() at db_stack_trace+0x120 db_command() at db_command+0x2e4 db_command_loop() at db_command_loop+0x58 db_trap() at db_trap+0x100 kdb_trap() at kdb_trap+0x334 handle_el1h_sync() at handle_el1h_sync+0x18 --- exception, esr 0xf2000000 kdb_enter() at kdb_enter+0x48 vpanic() at vpanic+0x1dc panic() at panic+0x48 data_abort() at data_abort+0x2fc handle_el1h_sync() at handle_el1h_sync+0x18 --- exception, esr 0x96000004 rms_rlock() at rms_rlock+0x1c zfs_clone_range() at zfs_clone_range+0x68 zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c null_bypass() at null_bypass+0x118 vn_copy_file_range() at vn_copy_file_range+0x18c kern_copy_file_range() at kern_copy_file_range+0x36c sys_copy_file_range() at sys_copy_file_range+0x8c do_el0_sync() at do_el0_sync+0x634 handle_el0_sync() at handle_el0_sync+0x48 --- exception, esr 0x56000000 Oh.. While typing this I rebooted the machine and it happened again. I didn't start anything in particular although the machine runs some jails. x0: 0x00000000000000e0 x1: 0xffffa00090317a48 x2: 0xffffa000f79d4f00 x3: 0xffffa000c61a44a8 x4: 0xffff0000deefe460 ($d.2 + 0xdd776560) x5: 0xffffa001250e4c00 x6: 0xffff0000e54025b5 ($d.5 + 0xc) x7: 0x000000000000030a x8: 0xffff0000e1559000 ($d.2 + 0xdfdd1100) x9: 0x0000000000000001 x10: 0x0000000000000000 x11: 0x0000000000000001 x12: 0x0000000000000002 x13: 0x0000000000000000 x14: 0x0000000000000001 x15: 0x0000000000000000 x16: 0xffff0000016dce88 (__stop_set_modmetadata_set + 0x1310) x17: 0xffff0000004e0d44 (rms_rlock + 0x0) x18: 0xffff0000deefe280 ($d.2 + 0xdd776380) x19: 0x0000000000000000 x20: 0xffff0000deefe460 ($d.2 + 0xdd776560) x21: 0x7fffffffffffffff x22: 0xffffa00090317a48 x23: 0xffffa000f79d4f00 x24: 0xffffa001067ef910 x25: 0x00000000000000e0 x26: 0xffffa000158a8000 x27: 0x0000000000000000 x28: 0xffffa000158a8000 x29: 0xffff0000deefe280 ($d.2 + 0xdd776380) sp: 0xffff0000deefe280 lr: 0xffff000001623564 (zfs_clone_range + 0x6c) elr: 0xffff0000004e0d60 (rms_rlock + 0x1c) spsr: 0x00000000a0000045 far: 0x0000000000000108 esr: 0x0000000096000004 panic: data abort in critical section or under mutex cpuid = 1 time = 1699610885 KDB: stack backtrace: db_trace_self() at db_trace_self db_trace_self_wrapper() at db_trace_self_wrapper+0x38 vpanic() at vpanic+0x1a0 panic() at panic+0x48 data_abort() at data_abort+0x2fc handle_el1h_sync() at handle_el1h_sync+0x18 --- exception, esr 0x96000004 rms_rlock() at rms_rlock+0x1c zfs_clone_range() at zfs_clone_range+0x68 zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c null_bypass() at null_bypass+0x118 vn_copy_file_range() at vn_copy_file_range+0x18c kern_copy_file_range() at kern_copy_file_range+0x36c sys_copy_file_range() at sys_copy_file_range+0x8c do_el0_sync() at do_el0_sync+0x634 handle_el0_sync() at handle_el0_sync+0x48 --- exception, esr 0x56000000 KDB: enter: panic [ thread pid 3792 tid 100394 ] Stopped at kdb_enter+0x48: str xzr, [x19, #768] db> I'll keep the debugger open for a while. Can I type something for additional info? Regards, Ronald. ------=_Part_3451_1193281966.1699611152304 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit <html><head></head><body>Hi,<br> <br> Had this crash today on RPI4/15-CURRENT.<br> <br> FreeBSD rpi4 15.0-CURRENT FreeBSD 15.0-CURRENT #19 main-b0203aaa46-dirty: Sat Nov 4 11:48:33 CET 2023 ronald@rpi4:/home/ronald/dev/freebsd/obj/home/ronald/dev/freebsd/src/arm64.aarch64/sys/GENERIC-NODEBUG arm64<br> <br> $ sysctl -a | grep bclon<br> vfs.zfs.bclone_enabled: 1<br> <br> I started a jail with poudriere to build a package. The jail uses null mounts over ZFS.<br> <br> [root]# cu -s 115200 -l /dev/cuaU0<br> Connected<br> <br> db> bt<br> Tracing pid 95213 tid 100438 td 0xffff0000e1e97900<br> db_trace_self() at db_trace_self<br> db_stack_trace() at db_stack_trace+0x120<br> db_command() at db_command+0x2e4<br> db_command_loop() at db_command_loop+0x58<br> db_trap() at db_trap+0x100<br> kdb_trap() at kdb_trap+0x334<br> handle_el1h_sync() at handle_el1h_sync+0x18<br> --- exception, esr 0xf2000000<br> kdb_enter() at kdb_enter+0x48<br> vpanic() at vpanic+0x1dc<br> panic() at panic+0x48<br> data_abort() at data_abort+0x2fc<br> handle_el1h_sync() at handle_el1h_sync+0x18<br> --- exception, esr 0x96000004<br> rms_rlock() at rms_rlock+0x1c<br> zfs_clone_range() at zfs_clone_range+0x68<br> zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c<br> null_bypass() at null_bypass+0x118<br> vn_copy_file_range() at vn_copy_file_range+0x18c<br> kern_copy_file_range() at kern_copy_file_range+0x36c<br> sys_copy_file_range() at sys_copy_file_range+0x8c<br> do_el0_sync() at do_el0_sync+0x634<br> handle_el0_sync() at handle_el0_sync+0x48<br> --- exception, esr 0x56000000<br> <br> <br> Oh.. While typing this I rebooted the machine and it happened again. I didn't start anything in particular although the machine runs some jails.<br> <br> x0: 0x00000000000000e0<br> x1: 0xffffa00090317a48<br> x2: 0xffffa000f79d4f00<br> x3: 0xffffa000c61a44a8<br> x4: 0xffff0000deefe460 ($d.2 + 0xdd776560)<br> x5: 0xffffa001250e4c00<br> x6: 0xffff0000e54025b5 ($d.5 + 0xc)<br> x7: 0x000000000000030a<br> x8: 0xffff0000e1559000 ($d.2 + 0xdfdd1100)<br> x9: 0x0000000000000001<br> x10: 0x0000000000000000<br> x11: 0x0000000000000001<br> x12: 0x0000000000000002<br> x13: 0x0000000000000000<br> x14: 0x0000000000000001<br> x15: 0x0000000000000000<br> x16: 0xffff0000016dce88 (__stop_set_modmetadata_set + 0x1310)<br> x17: 0xffff0000004e0d44 (rms_rlock + 0x0)<br> x18: 0xffff0000deefe280 ($d.2 + 0xdd776380)<br> x19: 0x0000000000000000<br> x20: 0xffff0000deefe460 ($d.2 + 0xdd776560)<br> x21: 0x7fffffffffffffff<br> x22: 0xffffa00090317a48<br> x23: 0xffffa000f79d4f00<br> x24: 0xffffa001067ef910<br> x25: 0x00000000000000e0<br> x26: 0xffffa000158a8000<br> x27: 0x0000000000000000<br> x28: 0xffffa000158a8000<br> x29: 0xffff0000deefe280 ($d.2 + 0xdd776380)<br> sp: 0xffff0000deefe280<br> lr: 0xffff000001623564 (zfs_clone_range + 0x6c)<br> elr: 0xffff0000004e0d60 (rms_rlock + 0x1c)<br> spsr: 0x00000000a0000045<br> far: 0x0000000000000108<br> esr: 0x0000000096000004<br> panic: data abort in critical section or under mutex<br> cpuid = 1<br> time = 1699610885<br> KDB: stack backtrace:<br> db_trace_self() at db_trace_self<br> db_trace_self_wrapper() at db_trace_self_wrapper+0x38<br> vpanic() at vpanic+0x1a0<br> panic() at panic+0x48<br> data_abort() at data_abort+0x2fc<br> handle_el1h_sync() at handle_el1h_sync+0x18<br> --- exception, esr 0x96000004<br> rms_rlock() at rms_rlock+0x1c<br> zfs_clone_range() at zfs_clone_range+0x68<br> zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c<br> null_bypass() at null_bypass+0x118<br> vn_copy_file_range() at vn_copy_file_range+0x18c<br> kern_copy_file_range() at kern_copy_file_range+0x36c<br> sys_copy_file_range() at sys_copy_file_range+0x8c<br> do_el0_sync() at do_el0_sync+0x634<br> handle_el0_sync() at handle_el0_sync+0x48<br> --- exception, esr 0x56000000<br> KDB: enter: panic<br> [ thread pid 3792 tid 100394 ]<br> Stopped at kdb_enter+0x48: str xzr, [x19, #768]<br> db><br> <br> I'll keep the debugger open for a while. Can I type something for additional info?<br> <br> Regards,<br> Ronald.<br> </body></html> ------=_Part_3451_1193281966.1699611152304--
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