Re: Panic when trying to mount cd9660 as udf

Maxime Henrion <mux_at_freebsd.org> writes:

> Christian Laursen wrote:
> > By accident, I tried to mount a CD as UDF, and got the follwoing panic:

[snip]

> Can you try the attached patch and tell me if it fixes your problem?

Unfortunately it doesn't seem to make any difference.

The trace seems to be identical except for a line number that changed
because of the patch.

#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1  0xc066d6fb in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:372
#2  0xc066dafd in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3  0xc048ac32 in db_panic () at /usr/src/sys/ddb/db_command.c:450
#4  0xc048ab92 in db_command (last_cmdp=0xc0938360, cmd_table=0xc08c3c00, 
    aux_cmd_tablep=0xc08baa04, aux_cmd_tablep_end=0xc08baa1c)
    at /usr/src/sys/ddb/db_command.c:346
#5  0xc048acd5 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#6  0xc048dcd5 in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_trap.c:73
#7  0xc0812ddc in kdb_trap (type=12, code=0, regs=0xcda39a80)
    at /usr/src/sys/i386/i386/db_interface.c:171
#8  0xc08294e6 in trap_fatal (frame=0xcda39a80, eva=0)
    at /usr/src/sys/i386/i386/trap.c:816
#9  0xc0829192 in trap_pfault (frame=0xcda39a80, usermode=0, eva=0)
    at /usr/src/sys/i386/i386/trap.c:735
#10 0xc0828d33 in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -1040052640, tf_esi = 1, tf_ebp = -844916020, tf_isp = -844916052, tf_ebx = 0, tf_edx = 4, tf_ecx = 1, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1066651796, tf_cs = 8, tf_eflags = 66182, tf_esp = 6, tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:420
#11 0xc0814828 in calltrap () at {standard input}:94
#12 0xc06c3913 in vfs_mount_destroy (mp=0x0, td=0x0)
    at /usr/src/sys/kern/vfs_mount.c:537
#13 0xc06c4740 in vfs_domount (td=0xc20c7640, fstype=0xc2020e60 "udf", 
    fspath=0xc2020ea0 "/mnt", fsflags=1, fsdata=0xc2020e40, compat=0)
    at /usr/src/sys/kern/vfs_mount.c:939
#14 0xc06c3a39 in vfs_nmount (td=0x0, fsflags=0, fsoptions=0x0)
    at /usr/src/sys/kern/vfs_mount.c:581
#15 0xc06c353d in nmount (td=0x0, uap=0xcda39d10)
    at /usr/src/sys/kern/vfs_mount.c:407
#16 0xc0829880 in syscall (frame=
      {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = -1077940702, tf_esi = 8, tf_ebp = -1077940972, tf_isp = -844915340, tf_ebx = 5, tf_edx = -1077940736, tf_ecx = 10, tf_eax = 378, tf_trapno = 12, tf_err = 2, tf_eip = 671876783, tf_cs = 31, tf_eflags = 582, tf_esp = -1077942196, tf_ss = 47})
    at /usr/src/sys/i386/i386/trap.c:1010
#17 0xc081487d in Xint0x80_syscall () at {standard input}:136

-- 
Best regards
    Christian Laursen