La demande #3236 a été mise à jour par dillon.
Looks like it may be trying to access a userspace address without using copyout(). SMAP caught it. I'm looking at it now. -Matt ---------------------------------------- Bug #3236: Panic running efivar http://bugs.dragonflybsd.org/issues/3236#change-13884 * Auteur: daftaupe * Statut: New * Priorité: Normal * Assigné à: * Catégorie: * Version cible: ---------------------------------------- Hello, I tried loading the efirt module then running efivar but got a panic. Got the following backtrace when using the dump I got (kgdb then bt) : (kgdb) bt #0 _get_mycpu () at ./machine/thread.h:69 #1 panic (fmt=fmt@entry=0xffffffff805dce3e "%s") at /usr/src/sys/kern/kern_shutdown.c:868 #2 0xffffffff8058333e in trap_fatal (frame=frame@entry=0xfffff800bc3195e8, eva=2129260136) at /usr/src/sys/platform/pc64/x86_64/trap.c:1116 #3 0xffffffff8058374c in trap_pfault (frame=0xfffff800bc3195e8, usermode=0) at /usr/src/sys/platform/pc64/x86_64/trap.c:943 #4 0xffffffff8055f9ea in calltrap () at /usr/src/sys/platform/pc64/x86_64/exception.S:321 #5 0xffffffff82000d53 in efi_var_nextname (namesize=namesize@entry=0xfffff800bc319870, name=name@entry=0xfffff800bc8f2c00, vendor=vendor@entry=0xfffff800bc319878) at /usr/src/sys/dev/misc/efirt/../../../platform/pc64/x86_64/efirt.c:562 #6 0xffffffff82000fd3 in efidev_ioctl (ap=<optimized out>) at /usr/src/sys/dev/misc/efirt/efidev.c:146 #7 0xffffffff802b6d35 in dev_dioctl (dev=dev@entry=0xfffff80066c86700, cmd=cmd@entry=3224913157, data=data@entry=0xfffff800bc319868 "", fflag=<optimized out>, cred=cred@entry=0xfffff8004676ddb0, msg=msg@entry=0xfffff800bc319960, fp=0xfffff800770f1d00) at /usr/src/sys/kern/kern_device.c:251 #8 0xffffffff8042e555 in devfs_fo_ioctl (fp=0xfffff800770f1d00, com=3224913157, data=0xfffff800bc319868 "", ucred=0xfffff8004676ddb0, msg=0xfffff800bc319960) at /usr/src/sys/vfs/devfs/devfs_vnops.c:1548 #9 0xffffffff80321d1b in fo_ioctl (msg=0xfffff800bc319960, cred=<optimized out>, data=<optimized out>, com=<optimized out>, fp=0xfffff800770f1d00) at /usr/src/sys/sys/file2.h:84 #10 mapped_ioctl (fd=<optimized out>, com=<optimized out>, uspc_data=<optimized out>, map=0x0, msg=<optimized out>) at /usr/src/sys/kern/sys_generic.c:717 #11 0xffffffff80584856 in syscall2 (frame=0xfffff800bc3199f8) at /usr/src/sys/platform/pc64/x86_64/trap.c:1317 #12 0xffffffff805601fd in Xfast_syscall () at /usr/src/sys/platform/pc64/x86_64/exception.S:450 #13 0x000000000000002b in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) Is that enough info ? -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account