Date: Tue, 10 Oct 2017 12:03:30 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 222898] [iscsi]: panic: page fault - system crashes while working as iSCSI target Message-ID: <bug-222898-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222898 Bug ID: 222898 Summary: [iscsi]: panic: page fault - system crashes while working as iSCSI target Product: Base System Version: 11.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: emz@norma.perm.ru I have a priduction system working as iSCSI target. While increasing the nu= mber of initiators (currently over 3 hundred) in crashes more often. Last panic and backtrace: # kgdb /boot/kernel/kernel vmcore.2=20 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain condition= s. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-marcel-freebsd"... Unread portion of the kernel message buffer: fault virtual address =3D 0x40 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff82641fdb stack pointer =3D 0x28:0xfffffe10450e0680 frame pointer =3D 0x28:0xfffffe10450e06d0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 650 (work4) trap number =3D 12 panic: page fault cpuid =3D 16 KDB: stack backtrace: #0 0xffffffff80b023a7 at kdb_backtrace+0x67 #1 0xffffffff80ab88e6 at vpanic+0x186 #2 0xffffffff80ab8753 at panic+0x43 #3 0xffffffff80f72ce2 at trap_fatal+0x322 #4 0xffffffff80f72eac at trap_pfault+0x1bc #5 0xffffffff80f72560 at trap+0x280 #6 0xffffffff80f559f1 at calltrap+0x8 #7 0xffffffff8262e27a at ctl_work_thread+0xeba #8 0xffffffff80a70785 at fork_exit+0x85 #9 0xffffffff80f55f2e at fork_trampoline+0xe Uptime: 21d21h26m5s Dumping 26603 out of 65386 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%.= .91% Reading symbols from /boot/kernel/zfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/zfs.ko.debug...done. done. Loaded symbols for /boot/kernel/zfs.ko Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from /usr/lib/debug//boot/kernel/opensolaris.ko.debug...done. done. Loaded symbols for /boot/kernel/opensolaris.ko Reading symbols from /boot/kernel/geom_mirror.ko...Reading symbols from /usr/lib/debug//boot/kernel/geom_mirror.ko.debug...done. done. Loaded symbols for /boot/kernel/geom_mirror.ko Reading symbols from /boot/kernel/pf.ko...Reading symbols from /usr/lib/debug//boot/kernel/pf.ko.debug...done. done. Loaded symbols for /boot/kernel/pf.ko Reading symbols from /boot/kernel/ichwd.ko...Reading symbols from /usr/lib/debug//boot/kernel/ichwd.ko.debug...done. done. Loaded symbols for /boot/kernel/ichwd.ko Reading symbols from /boot/kernel/ctl.ko...Reading symbols from /usr/lib/debug//boot/kernel/ctl.ko.debug...done. done. Loaded symbols for /boot/kernel/ctl.ko Reading symbols from /boot/kernel/iscsi.ko...Reading symbols from /usr/lib/debug//boot/kernel/iscsi.ko.debug...done. done. Loaded symbols for /boot/kernel/iscsi.ko #0 doadump (textdump=3D<value optimized out>) at pcpu.h:222 222 pcpu.h: No such file or directory. in pcpu.h (kgdb) bt #0 doadump (textdump=3D<value optimized out>) at pcpu.h:222 #1 0xffffffff80ab8369 in kern_reboot (howto=3D260) at /usr/src-11-r310734/sys/kern/kern_shutdown.c:366 #2 0xffffffff80ab8920 in vpanic (fmt=3D<value optimized out>, ap=3D<value optimized out>) at /usr/src-11-r310734/sys/kern/kern_shutdown.c:759 #3 0xffffffff80ab8753 in panic (fmt=3D<value optimized out>) at /usr/src-11-r310734/sys/kern/kern_shutdown.c:690 #4 0xffffffff80f72ce2 in trap_fatal (frame=3D0xfffffe10450e05c0, eva=3D64) at /usr/src-11-r310734/sys/amd64/amd64/trap.c:801 #5 0xffffffff80f72eac in trap_pfault (frame=3D0xfffffe10450e05c0, usermode= =3D0) at /usr/src-11-r310734/sys/amd64/amd64/trap.c:658 #6 0xffffffff80f72560 in trap (frame=3D0xfffffe10450e05c0) at /usr/src-11-r310734/sys/amd64/amd64/trap.c:421 #7 0xffffffff80f559f1 in calltrap () at /usr/src-11-r310734/sys/amd64/amd64/exception.S:236 #8 0xffffffff82641fdb in cfiscsi_done (io=3D<value optimized out>) at icl_conn_if.h:98 #9 0xffffffff8262e27a in ctl_work_thread (arg=3D0xfffffe0388516600) at /usr/src-11-r310734/sys/modules/ctl/../../cam/ctl/ctl.c:13373 #10 0xffffffff80a70785 in fork_exit (callout=3D0xffffffff8262d3c0 <ctl_work_thread>, arg=3D0xfffffe0388516600,=20 frame=3D0xfffffe10450e0ac0) at /usr/src-11-r310734/sys/kern/kern_fork.c= :1040 #11 0xffffffff80f55f2e in fork_trampoline () at /usr/src-11-r310734/sys/amd64/amd64/exception.S:611 #12 0x0000000000000000 in ?? () Current language: auto; currently minimal (kgdb) --=20 You are receiving this mail because: You are the assignee for the bug.=
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