Date: Mon, 4 May 2009 10:15:32 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: dikshie <dikshie@gmail.com> Subject: Re: #0 sched_switch (td=0xc579b230, newtd=Variable "newtd" is not available. Message-ID: <200905041015.32695.jhb@freebsd.org> In-Reply-To: <910e60e80905021111v1ef2d386j17db9bccb953b609@mail.gmail.com> References: <910e60e80905021111v1ef2d386j17db9bccb953b609@mail.gmail.com>
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On Saturday 02 May 2009 2:11:59 pm dikshie wrote: > is this known bug? > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x8c000180 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc063d904 > stack pointer = 0x28:0xe7704608 > frame pointer = 0x28:0xe7704620 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 2013 (firefox-bin) > trap number = 12 > panic: page fault > cpuid = 0 > Uptime: 5h1m34s > Physical memory: 2038 MB > Dumping 194 MB: 179 163 147 131 115 99 83 (CTRL-C to abort) 67 > (CTRL-C to abort) (CTRL-C to abort) (CTRL-C to abort) 51 (CTRL-C to > abort) 35 19 3 > > kgdb: kvm_read: invalid address (0x4c414e52) > kgdb: kvm_read: invalid address (0x35b2e804) > kgdb: kvm_read: invalid address (0x5502) > kgdb: kvm_read: invalid address (0x6a02) > Reading symbols from /boot/kernel/geom_journal.ko...Reading symbols > from /boot/kernel/geom_journal.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/geom_journal.ko > Reading symbols from /boot/kernel/acpi_ibm.ko...Reading symbols from > /boot/kernel/acpi_ibm.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/acpi_ibm.ko > Reading symbols from /boot/kernel/acpi.ko...Reading symbols from > /boot/kernel/acpi.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/acpi.ko > Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from > /boot/kernel/linprocfs.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/linprocfs.ko > Reading symbols from /boot/kernel/linux.ko...Reading symbols from > /boot/kernel/linux.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/linux.ko > #0 sched_switch (td=0xc579b230, newtd=Variable "newtd" is not available. > ) at /usr/src/sys/kern/sched_ule.c:1944 > 1944 cpuid = PCPU_GET(cpuid); > (kgdb) Please get a backtrace using 'bt'. Also, 'l *0xc063d904' may also be useful. -- John Baldwin
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