Date: Fri, 3 Aug 2007 17:01:13 -0400 From: Kris Kennaway <kris@obsecurity.org> To: re@FreeBSD.org Cc: current@FreeBSD.org Subject: reboot hanging Message-ID: <20070803210113.GA68807@rot26.obsecurity.org>
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--Qxx1br4bt0+wmkIi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I get this fairly often when rebooting an amd64 machine. Looks like it's hung trying to do a TLB shootdown. hammer1# reboot Aug 3 20:56:11 hammer1 reboot: rebooted by root Aug 3 20:56:11 hammer1 syslogd: exiting on signal 15 Waiting (max 60 seconds) for system process `vnlru' to stop...done Waiting (max 60 seconds) for system process `bufdaemon' to stop...done Waiting (max 60 seconds) for system process `syncer' to stop... Syncing disks, vnodes remaining...2 2 0 1 1 1 0 0 0 done All buffers synced. [hung here] KDB: enter: Break sequence on console [thread pid 16 tid 100005 ] Stopped at kdb_enter+0x31: leave db> wh Tracing pid 16 tid 100005 td 0xffffff00010c96a0 kdb_enter() at kdb_enter+0x31 siointr1() at siointr1+0xde siointr() at siointr+0x31 intr_execute_handlers() at intr_execute_handlers+0x102 lapic_handle_intr() at lapic_handle_intr+0x39 Xapic_isr1() at Xapic_isr1+0x7f --- interrupt, rip = 0xffffffff8039d376, rsp = 0xffffffffabc93b70, rbp = 0xffffffffabc93b80 --- acpi_cpu_c1() at acpi_cpu_c1+0x6 acpi_cpu_idle() at acpi_cpu_idle+0x1c4 cpu_idle() at cpu_idle+0x29 sched_idletd() at sched_idletd+0x1b1 fork_exit() at fork_exit+0x14a fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffffffabc93d30, rbp = 0 --- db> show allpcpu Current CPU: 1 cpuid = 0 curthread = 0xffffff00010ef9f0: pid 19 "swi4: clock sio" curpcb = 0xffffffffabcb1d40 fpcurthread = none idlethread = 0xffffff00010c3000: pid 17 "idle: cpu0" cpuid = 1 curthread = 0xffffff00010c96a0: pid 16 "idle: cpu1" curpcb = 0xffffffffabc93d40 fpcurthread = none idlethread = 0xffffff00010c96a0: pid 16 "idle: cpu1" cpuid = 2 curthread = 0xffffff00010c9350: pid 15 "idle: cpu2" curpcb = 0xffffffffabc8ed40 fpcurthread = none idlethread = 0xffffff00010c9350: pid 15 "idle: cpu2" cpuid = 3 curthread = 0xffffff00010c6350: pid 3 "g_up" curpcb = 0xffffffffabc7ad40 fpcurthread = none idlethread = 0xffffff00010c9000: pid 14 "idle: cpu3" cpuid = 4 curthread = 0xffffff00010c69f0: pid 13 "idle: cpu4" curpcb = 0xffffffffabc84d40 fpcurthread = none idlethread = 0xffffff00010c69f0: pid 13 "idle: cpu4" cpuid = 5 curthread = 0xffffff00010c6000: pid 12 "idle: cpu5" curpcb = 0xffffffffabc75d40 fpcurthread = none idlethread = 0xffffff00010c6000: pid 12 "idle: cpu5" cpuid = 6 curthread = 0xffffff00010c39f0: pid 11 "idle: cpu6" curpcb = 0xffffffffabc70d40 fpcurthread = none idlethread = 0xffffff00010c39f0: pid 11 "idle: cpu6" cpuid = 7 curthread = 0xffffff00010c36a0: pid 10 "idle: cpu7" curpcb = 0xffffffffabc6bd40 fpcurthread = none idlethread = 0xffffff00010c36a0: pid 10 "idle: cpu7" db> wh 3 Tracing pid 3 tid 100010 td 0xffffff00010c6350 cpustop_handler() at cpustop_handler+0x40 ipi_nmi_handler() at ipi_nmi_handler+0x34 trap() at trap+0x4d nmi_calltrap() at nmi_calltrap+0x8 --- trap 0x13, rip = 0xffffffff803b01b2, rsp = 0xffffffffab19aff0, rbp = 0xffffffffabc7ab00 --- smp_tlb_shootdown() at smp_tlb_shootdown+0xa2 smp_invlpg_range() at smp_invlpg_range+0x1e pmap_invalidate_range() at pmap_invalidate_range+0x59 pmap_qremove() at pmap_qremove+0x65 swp_pager_async_iodone() at swp_pager_async_iodone+0x5f bufdone() at bufdone+0x9e swapgeom_done() at swapgeom_done+0x3d biodone() at biodone+0x88 g_io_schedule_up() at g_io_schedule_up+0x122 g_up_procbody() at g_up_procbody+0x78 fork_exit() at fork_exit+0x14a fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffffffabc7ad30, rbp = 0 --- db> --Qxx1br4bt0+wmkIi Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFGs5eYWry0BWjoQKURApx5AKCUcS+g5uG7DV8866CtYF4bkCqSEgCdFsWW M08XSZg1nUIKk1fUeVOgS3k= =zP4z -----END PGP SIGNATURE----- --Qxx1br4bt0+wmkIi--
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