Date: Tue, 22 Sep 2009 09:56:42 -0300 From: Raphael Kubo da Costa <kubito@gmail.com> To: "Paul B. Mahol" <onemda@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: 8.0RC1 - Kernel panic when loading a ndisgen-generated module (rtl8180_sys) Message-ID: <68c3445d0909220556n23e51d42t8460fe355f13159b@mail.gmail.com> In-Reply-To: <68c3445d0909220551k33973d38iccf20c030a00b6c8@mail.gmail.com> References: <68c3445d0909212153rf19ec23p81ecc0a070f6d594@mail.gmail.com> <3a142e750909220343k153daac0xc00099fc09c176ac@mail.gmail.com> <68c3445d0909220551k33973d38iccf20c030a00b6c8@mail.gmail.com>
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2009/9/22 Raphael Kubo da Costa <kubito@gmail.com>: > 2009/9/22 Paul B. Mahol <onemda@gmail.com>: >> On 9/22/09, Raphael Kubo da Costa <kubito@gmail.com> wrote: >>> Hi there, >>> >>> I'm not sure this is the proper place to send this, so please tell me >>> if I should send this mail to another mailing list or file a PR about >>> this. >>> >>> I used freebsd-update to upgrade from 7.2-RELEASE-p3 to 8.0-RC1. >>> Everything went fine, but I had to regenerate my wireless card >>> (Realtek RTL8180L) module with ndisgen. However, when I load the >>> generated module with kldload I get a kernel panic and the system >>> reboots. I also have a 67mb vmcore; I can try to make it available if >>> needed. >> >> You are saying that it worked without problems on 7.2? > Yes, until this upgrade everything worked fine. > >> There were very little changes with sys/compat/ndis between that two ver= sions >> so if problem really exist it must be somewhere in if_ndis module. >> Are you sure that complete world and kernel are in sync? > I think so; I've followed > http://www.daemonology.net/blog/2009-07-11-freebsd-update-to-8.0-beta1.ht= ml > and ran "freebsd-update -r 8.0-RC1 upgrade", "freebsd-update install", > rebooted, reran "freebsd-update install", rebooted and ran ndisgen. > >> And you really did loaded regenerated module? > Yes, I ran ndisgen and used kldload to load the generated module and > besides I copied the module to /boot/modules and tried loading it > after the kernel panics. > >>> >>> I'll paste some sections from core.txt; I can attach the whole file if = you >>> want. >>> >>> ----------- >>> >>> Unread portion of the kernel message buffer: >>> >>> >>> Fatal trap 12: page fault while in kernel mode >>> cpuid =3D 0; apic id =3D 00 >>> fault virtual address =3D 0xc4ea831a >>> fault code =A0 =A0 =A0 =A0 =A0 =A0=3D supervisor read, page not present >>> instruction pointer =A0 =3D 0x20:0xc4df96b3 >>> stack pointer =A0 =A0 =A0 =A0 =3D 0x28:0xe3744a44 >>> frame pointer =A0 =A0 =A0 =A0 =3D 0x28:0xe3744aac >>> code segment =A0 =A0 =A0 =A0 =A0=3D base 0x0, limit 0xfffff, type 0x1b >>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D DPL 0, pres 1, def32 1,= gran 1 >>> processor eflags =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 >>> current process =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D 1110 (ifconfig) >>> trap number =A0 =A0 =A0 =A0 =A0 =3D 12 >>> panic: page fault >>> cpuid =3D 0 >>> Uptime: 36s >>> Physical memory: 883 MB >>> Dumping 67 MB: 52 36 20 4 >>> >>> Reading symbols from /boot/kernel/snd_hda.ko...Reading symbols from >>> /boot/kernel/snd_hda.ko.symbols...done. >>> done. >>> Loaded symbols for /boot/kernel/snd_hda.ko >>> Reading symbols from /boot/kernel/sound.ko...Reading symbols from >>> /boot/kernel/sound.ko.symbols...done. >>> done. >>> Loaded symbols for /boot/kernel/sound.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 >>> Reading symbols from /boot/kernel/reiserfs.ko...Reading symbols from >>> /boot/kernel/reiserfs.ko.symbols...done. >>> done. >>> Loaded symbols for /boot/kernel/reiserfs.ko >>> Reading symbols from /boot/kernel/logo_saver.ko...Reading symbols from >>> /boot/kernel/logo_saver.ko.symbols...done. >>> done. >>> Loaded symbols for /boot/kernel/logo_saver.ko >>> Reading symbols from /boot/modules/rtl8180_sys.ko...done. >>> Loaded symbols for /boot/modules/rtl8180_sys.ko >>> Reading symbols from /boot/kernel/if_ndis.ko...Reading symbols from >>> /boot/kernel/if_ndis.ko.symbols...done. >>> done. >>> Loaded symbols for /boot/kernel/if_ndis.ko >>> Reading symbols from /boot/kernel/ndis.ko...Reading symbols from >>> /boot/kernel/ndis.ko.symbols...done. >>> done. >>> Loaded symbols for /boot/kernel/ndis.ko >>> #0 =A0doadump () at pcpu.h:246 >>> 246 =A0 pcpu.h: No such file or directory. >>> =A0 =A0 =A0 in pcpu.h >>> (kgdb) #0 =A0doadump () at pcpu.h:246 >>> #1 =A00xc08823c7 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdo= wn.c:416 >>> #2 =A00xc08826b9 in panic (fmt=3DVariable "fmt" is not available. >>> ) at /usr/src/sys/kern/kern_shutdown.c:579 >>> #3 =A00xc0bb346c in trap_fatal (frame=3D0xe3744a04, eva=3D3303703322) >>> =A0 =A0 at /usr/src/sys/i386/i386/trap.c:933 >>> #4 =A00xc0bb36f0 in trap_pfault (frame=3D0xe3744a04, usermode=3D0, eva= =3D3303703322) >>> =A0 =A0 at /usr/src/sys/i386/i386/trap.c:846 >>> #5 =A00xc0bb40d5 in trap (frame=3D0xe3744a04) at >>> /usr/src/sys/i386/i386/trap.c:528 >>> #6 =A00xc0b96a4b in calltrap () at /usr/src/sys/i386/i386/exception.s:1= 65 >>> #7 =A00xc4df96b3 in ndis_rtl8180_sys_drv_data_start () >>> =A0 =A0from /boot/modules/rtl8180_sys.ko >>> Previous frame inner to this frame (corrupt stack?) >>> (kgdb) >>> >>> >>> ------ Last lines from dmesg -------- >>> Tue Sep 22 01:02:49 BRT 2009 >>> Sep 22 01:02:55 borges login: ROOT LOGIN (root) ON ttyv0 >>> warning: KLD '/boot/modules/rtl8180_sys.ko' is newer than the linker.hi= nts >>> file >>> ndis0: <Realtek RTL8180 Wireless LAN (Mini-)PCI NIC> port >>> 0xe800-0xe8ff mem 0xdffffc00-0xdffffcff irq 16 at device 6.0 on pci1 >>> ndis0: [ITHREAD] >>> ndis0: NDIS API version: 5.1 >>> ifa_add_loopback_route: insertion failed >> >> Try to enable debug.ndis sysctl. > And then paste the same sections here? > >>> >>> Fatal trap 12: page fault while in kernel mode >>> cpuid =3D 0; apic id =3D 00 >>> fault virtual address =3D 0xc4ea831a >>> fault code =A0 =A0 =A0 =A0 =A0 =A0=3D supervisor read, page not present >>> instruction pointer =A0 =3D 0x20:0xc4df96b3 >>> stack pointer =A0 =A0 =A0 =A0 =3D 0x28:0xe3744a44 >>> frame pointer =A0 =A0 =A0 =A0 =3D 0x28:0xe3744aac >>> code segment =A0 =A0 =A0 =A0 =A0=3D base 0x0, limit 0xfffff, type 0x1b >>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D DPL 0, pres 1, def32 1,= gran 1 >>> processor eflags =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 >>> current process =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D 1110 (ifconfig) >> >> What commands are to reproduce this? > # kldload rtl8180_sys > >>> trap number =A0 =A0 =A0 =A0 =A0 =3D 12 >>> panic: page fault >>> cpuid =3D 0 >>> Uptime: 36s >>> Physical memory: 883 MB >>> Dumping 67 MB: 52 36 20 4 >>> >>> -----------------------------------------------------------------------= - >>> kernel config >>> >>> config: File /boot/kernel/kernel doesn't contain configuration file. >>> Either unsupported, or not compiled with INCLUDE_CONFIG_FILE > One last thing: should a PR be filed about this?
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