Date: Wed, 3 Apr 2024 18:32:54 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: freebsd-current@freebsd.org Subject: LOR so_snd_sx / nfs Message-ID: <6nn67272-3osp-26o7-170p-14p1n6476633@yvfgf.mnoonqbm.arg>
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NFS root boot of a Lab machine; calling wpa_cli: Thilock order reversal: 1st 0xffff0001d4e1c800 so_snd_sx (so_snd_sx, sx) @ /usr/src/sys/kern/uipc_socket.c:4020 2nd 0xffffa020cb20e930 nfs (nfs, lockmgr) @ /usr/src/sys/kern/vfs_lookup.c:1083 lock order nfs -> so_snd_sx established at: #0 0xffff000000529588 at witness_checkorder+0x328 #1 0xffff0000004bdf48 at _sx_xlock+0x70 #2 0xffff0000005687e0 at soiolock+0x5c #3 0xffff000000567ff0 at sosend_generic+0x104 #4 0xffff0000005688b8 at sosend+0x48 #5 0xffff00000076b6a0 at clnt_vc_call+0x570 #6 0xffff000000769914 at clnt_reconnect_call+0x1c4 #7 0xffff0000003552ec at newnfs_request+0x7e4 #8 0xffff00000037abf0 at nfsrpc_getattrnovp+0xfc #9 0xffff00000039823c at mountnfs+0x6ec #10 0xffff000000395c64 at nfs_mount+0xe78 #11 0xffff00000059b59c at vfs_mount_sigdefer+0x30 #12 0xffff0000005a44c8 at vfs_domount_first+0x254 #13 0xffff0000005a0884 at vfs_domount+0x2d4 #14 0xffff00000059f1ec at vfs_donmount+0x824 #15 0xffff0000005a3438 at kernel_mount+0x64 #16 0xffff0000005a72b0 at parse_mount+0x494 #17 0xffff0000005a59ac at vfs_mountroot+0x5b8 lock order so_snd_sx -> nfs attempted at: #0 0xffff000000529cd8 at witness_checkorder+0xa78 #1 0xffff00000047edb8 at lockmgr_lock_flags+0x78 #2 0xffff000000390044 at nfs_lock+0x34 #3 0xffff00000059793c at vop_sigdefer+0x38 #4 0xffff0000005c3734 at _vn_lock+0x58 #5 0xffff00000059cb78 at vfs_lookup+0x12c #6 0xffff00000059c01c at namei+0x280 #7 0xffff0000005751f8 at unp_connectat+0x244 #8 0xffff000000576adc at uipc_sosend_dgram+0x3c0 #9 0xffff0000005689c8 at sousrsend+0x80 #10 0xffff00000056ec90 at kern_sendit+0x1e4 #11 0xffff00000056ef78 at sendit+0x1b0 #12 0xffff00000056edb4 at sys_sendto+0x4c #13 0xffff00000086ad40 at do_el0_sync+0x59c #14 0xffff00000084391c at handle_el0_sync+0x48 -- Bjoern A. Zeeb r15:7
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