Date: Thu, 20 Sep 2012 09:17:52 +0100 (BST) From: Anton Shterenlikht <mexas@bristol.ac.uk> To: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org, linimon@lonesome.com Subject: out of swap space causing panic? Message-ID: <201209200817.q8K8HqPX012614@mech-cluster241.men.bris.ac.uk>
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It is expected that running out of swap space causes panic? This is on ia64 r235474. Mark, I'll add another swap disk, so there will be ~85 GB of swap space. Will let you know when done. - - - - - - - - - - Prior Console Output - - - - - - - - - - swap_pager_getswapspace(16): failed Sep 19 04:12:20 mech-as28 kernel: pid 36179 (tst_fmt_usr), uid 0, was killed: out of swap space Sep 19 10:54:01 mech-as28 su: mexas to root on /dev/pts/0 panic: _mtx_lock_sleep: recursed on non-recursive mutex process lock @ /usr/src/sys/ia64/ia64/trap.c:562 cpuid = 1 KDB: enter: panic [ thread pid 25199 tid 100332 ] Stopped at kdb_enter+0x92: [I2] addl r14=0xffffffffffe25000,gp ;; db> db> bt Tracing pid 25199 tid 100332 td 0xe0000001d44088a0 kdb_enter(0x9ffc000000c52c38, 0x9ffc000000c52c38, 0x9ffc0000004eb6b0, 0x793) at kdb_enter+0x92 panic(0x9ffc000000c50e98, 0x9ffc000000c50f40, 0x9ffc000000c93830, 0x232) at panic+0x420 _mtx_lock_sleep(0xe0000000159c6e90, 0xe0000001d44088a0, 0x0, 0x9ffc000000c93830, 0x232) at _mtx_lock_sleep+0xb0 _mtx_lock_flags(0xe0000000159c6e90, 0x0, 0x9ffc000000c93830, 0x232, 0x9ffc00000097dcc0, 0x716, 0x14022d4c0) at _mtx_lock_flags+0x1a0 trap(0x14, 0xa0000000f88fb000) at trap+0x940 ivt_Data_TLB() at ivt_Data_TLB+0x1d0 --- trapframe at 0xa0000000f88fb000 crhold() at crhold+0x10 cred_update_thread(0xe0000001d44089d0, 0xe0000000159c6dd8, 0xe0000000159c6e90, 0x9ffc000000c51cf0) at cred_update_thread+0x70 syscall(0xe0000000159c6d98, 0x1408aa000, 0x1c, 0xe0000001d44088a0, 0x140849630, 0x0, 0x9ffc000000979a40, 0x8) at syscall+0xd0 epc_syscall_return() at epc_syscall_return db> db> show thread Thread 100332 at 0xe0000001d44088a0: proc (pid 25199): 0xe0000000159c6d98 name: perl stack: 0xa0000000f88f4000-0xa0000000f88fbfff flags: 0x4 pflags: 0 state: RUNNING (CPU 1) priority: 146 container lock: sched lock 1 (0x9ffc000000d8b8c0) db> db> show proc Process 25199 (perl) at 0xe0000000159c6d98: state: NORMAL uid: 0 gids: 0, 5 parent: pid 3426 at 0xe0000000258d0000 ABI: FreeBSD ELF64 arguments: ../../t/perl threads: 1 100332 Run CPU 1 perl db> db> thread 100032 [ thread pid 15 tid 100032 ] cpu_switch+208: [M0] cmp4.eq p7,p6=0x0,r8 db> bt Tracing pid 15 tid 100032 td 0xe000000011203590 cpu_switch(0xe000000011203590, 0xe000000011202000, 0x9ffc000000dbfb68, 0x9ffc00000053f830) at cpu_switch+208 sched_switch(0xe000000011203590, 0xe000000011202000, 0x104, 0x9ffc000000dbfb68) at sched_switch+2192 mi_switch(0x104, 0x0, 0xe000000011203590, 0x9ffc00000056df30) at mi_switch+1008 sleepq_switch(0xa0000000002bf408, 0x0, 0xe0000000112038f0, 0xe000000011203590) at sleepq_switch+608 sleepq_wait(0xa0000000002bf408, 0x0, 0x9ffc000000c593e8, 0xe000000011203590, 0x9ffc00000045d9e0) at sleepq_wait+176 _cv_wait(0xa0000000002bf408, 0xa0000000002bf688, 0xe000000011203590, 0x0) at _cv_wait+1216 usb_process(0xa0000000002bf3f8, 0x0, 0xa0000000002bf445, 0xa0000000002bf448) at usb_process+688 fork_exit(0x9ffc000000c98170, 0xa0000000002bf3f8, 0xa0000000ec8cd550) at fork_exit+272 enter_userland() at enter_userland db>
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