Date: Wed, 22 Jul 2009 17:53:59 -0400 From: "Alexandre \"Sunny\" Kovalenko" <gaijin.k@gmail.com> To: Gonzalo Nemmi <gnemmi@gmail.com> Cc: freebsd-current@freebsd.org, current@freebsd.org Subject: Re: Loading atapicam causes panic on 8.0-BETA2 #0 r195818 (i386) Message-ID: <1248299639.1479.17.camel@RabbitsDen> In-Reply-To: <200907221817.31095.gnemmi@gmail.com> References: <1248292053.1479.12.camel@RabbitsDen> <200907221817.31095.gnemmi@gmail.com>
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On Wed, 2009-07-22 at 18:17 -0300, Gonzalo Nemmi wrote: > On Wednesday 22 July 2009 4:47:33 pm Alexandre "Sunny" Kovalenko wrote: > > System: > > FreeBSD RabbitsDen.RabbitsLawn.verizon.net 8.0-BETA2 FreeBSD > > 8.0-BETA2 #0 r195818: Wed Jul 22 13:50:22 EDT 2009 > > root@RabbitsDen.RabbitsLawn.verizon.net:/usr/obj/usr/src/sys/TPX60 > > i386 > > > > Hardware: > > Master: acd0 <MATSHITADVD-RAM UJ-842/RB01> ATA/ATAPI revision 6 > > *NOTE*: Curiously enough, I can trigger this without drive being > > present (it is in the media slice of ThinkPad x60) > > > > To reproduce: > > kldload atapicd; kldload atapicam > > > > Crash summary: > > http://members.verizon.net/~akovalenko/Misc/core.txt.1 > > > > Backtrace: > > (kgdb) bt > > #0 doadump () at pcpu.h:246 > > #1 0xa0586614 in boot (howto=260) > > at /usr/src/sys/kern/kern_shutdown.c:419 > > #2 0xa058692b in panic (fmt=Variable "fmt" is not available. > > ) at /usr/src/sys/kern/kern_shutdown.c:575 > > #3 0xa076ddd5 in trap_fatal (frame=0xfa388678, eva=1180) > > at /usr/src/sys/i386/i386/trap.c:933 > > #4 0xa076e0a3 in trap_pfault (frame=0xfa388678, usermode=0, > > eva=1180) at /usr/src/sys/i386/i386/trap.c:846 > > #5 0xa076ebab in trap (frame=0xfa388678) > > at /usr/src/sys/i386/i386/trap.c:528 > > #6 0xa075281b in calltrap () at > > /usr/src/sys/i386/i386/exception.s:165 #7 0xaf5ad125 in atapi_action > > (sim=0xaf4b3300, ccb=0xfa3887a0) at > > /usr/src/sys/modules/ata/atapicam/../../../dev/ata/atapi-cam.c:390 #8 > > 0xa0453e58 in xpt_action_default (start_ccb=0xfa3887a0) > > at /usr/src/sys/cam/cam_xpt.c:2580 > > #9 0xa044eb24 in xpt_action (start_ccb=0xfa3887a0) > > at /usr/src/sys/cam/cam_xpt.c:2403 > > #10 0xa0450f77 in xpt_bus_register (sim=0xaf4b3300, > > parent=0xaf4b4780, bus=0) at /usr/src/sys/cam/cam_xpt.c:3794 > > #11 0xaf5acce6 in atapi_cam_attach (dev=0xaf4b4780) > > at /usr/src/sys/modules/ata/atapicam/../../../dev/ata/atapi-cam.c:221 > > #12 0xa05aff94 in device_attach (dev=0xaf4b4780) at device_if.h:178 > > #13 0xa05b0f5a in device_probe_and_attach (dev=0xaf4b4780) > > at /usr/src/sys/kern/subr_bus.c:2552 > > #14 0xa05b1265 in bus_generic_driver_added (dev=0xa633d980, > > driver=0xaf5aed7c) at /usr/src/sys/kern/subr_bus.c:3303 > > #15 0xa05ae5d4 in devclass_driver_added (dc=0xa61ccd40, > > driver=0xaf5aed7c) at bus_if.h:183 > > #16 0xa05af9d7 in driver_module_handler (mod=0xa70bcc80, what=0, > > arg=0xaf5aed64) at /usr/src/sys/kern/subr_bus.c:1036 > > #17 0xa057471e in module_register_init (arg=0xaf5aed4c) > > at /usr/src/sys/kern/kern_module.c:124 > > #18 0xa056ccdf in linker_load_module (kldname=Variable "kldname" is > > not available. > > ) at /usr/src/sys/kern/kern_linker.c:233 > > #19 0xa056d1ed in kern_kldload (td=0xa65aab40, file=0xa61ff000 > > "atapicam", fileid=0xfa388c6c) at > > /usr/src/sys/kern/kern_linker.c:1015 #20 0xa056d2bf in kldload > > (td=0xa65aab40, uap=0xfa388cf8) > > at /usr/src/sys/kern/kern_linker.c:1043 > > #21 0xa076e474 in syscall (frame=0xfa388d38) > > at /usr/src/sys/i386/i386/trap.c:1073 > > #22 0xa07528b0 in Xint0x80_syscall () > > at /usr/src/sys/i386/i386/exception.s:261 > > #23 0x00000033 in ?? () > > Previous frame inner to this frame (corrupt stack?) > > (kgdb) > > > > Please, let me know if I can provide any additional information. > > I'm getting a fatal trap 12 every time I try to kldload atapicam on > BETA2 as well, but I'm not getting a vmcore or anything ... > > acd0: DVDR <MATSHITA DVD+/-RW UJ-875S/D200> at ata0-master UDMA33 > > So, basically, I can confirm kldload atapicam crashes my system but I > can't provide any cores or anything .. Im probably missing something > and that's why Im getting nothing under /var/crash .. should anyone > want to enlighten me with a link to read how to get the vmcore, I'll > read it and try to get it so I can provide more info. > > Best regards > Gonzalo > Would this help? http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html#KERNELDEBUG-OBTAIN -- Alexandre Kovalenko (Олександр Коваленко)
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