1.9.95: bug in sr_ioctl

Ronald Wahl (Ronald.Wahl@informatik.tu-chemnitz.de)
Fri, 26 Apr 1996 16:36:17 +0200 (MET DST)


Hi,

Just got this with 1.3.95:
--------------------------

kernel: Detected scsi CD-ROM sr0 at scsi0, channel0, id3, lun 0
kernel: Unable to handle kernel paging request at virtual address c202bd8c
kernel: current->tss.cr3 = 006df000, Lr3 =006df000
kernel: *pde = 00001067
kernel: *pte = 00000000
kernel: Oops: 0000
kernel: CPU: 0
kernel: EIP: 0010:[<0202bd8c>]
kernel: EFLAGS: 00010202
kernel: eax: 0202bd8c ebx: 00a15018 ecx:00000202 edx: 005d6d4c
kernel: esi: 00000000 edi: 005d6d70 ebp:005d6d90 esp: 005d6d5c
kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
kernel: Process xmcd (pid: 7069, process nr: 52, stackpage=005d6000)
kernel: Stack: 00170b7d 00731098 0000d118 00000000005d6e54 00000000 00000000 001710b5
kernel: 0000d118 005d6d90 00731098 000000000202e42c 00000000 00210000 0167ad8c
kernel: 0202ddf1 0000d118 00000002 0000000000000b00 00000000 0202e42c bffff764
kernel: Call Trace: [<00170b7d>] [<001710b5>] [<0202e42c>] [<0202ddf1>] [<0202e42c>] [<0014ad30>] [<00122575>]
kernel: [<0202b209>] [<00122575>] [<00122e00>] [<0012efb5>] [<0012ebe6>] [<0012fa75>] [<001214a1>] [<001216f1>]
kernel: [<0202bcff>] [<0012178f>][<0011fd8f>] [<0011fe3a>] [<0010a2f9>]
kernel: Code: <1>Unable to handle kernel paging request at virtual address c202bd8c
kernel: current->tss.cr3 = 006df000, Lr3 = 006df000
kernel: *pde = 00001067
kernel: *pte = 00000000
kernel: Oops: 0000
kernel: CPU: 0
kernel: EIP: 0010:[<0010a813>]
kernel: EFLAGS: 00010206
kernel: eax: 00000010 ebx: 0000002b ecx: 0202bd8c edx: 01342810
kernel: esi: 00000000 edi: 005d7000 ebp: 005d6d20 esp: 005d6cc8
kernel: ds: 0018 es: 0018 fs: 0010 gs: 002b ss: 0018
kernel: Process xmcd (pid: 7069, process nr: 52, stackpage=005d6000)
kernel: Stack: 0000002b 00001000 0002b000 005d6d7000000000 02000000 02800000 02000000
kernel: 00000018 0010f977 0017eab9 005d6d2000000000 0010f6f4 00000000 005d6d70
kernel: 005d6d90 00a15018 0000d118 0010a487005d6d20 00000000 00a15018 00000202
kernel: Call Trace: [<02000000>] [<02800000>] [<02000000>] [<0010f977>] [<0010f6f4>] [<0010a487>] [<0202bd8c>]
kernel: [<0202bd8c>] [<00170b7d>] [<001710b5>] [<0202e42c>] [<0202ddf1>] [<0202e42c>] [<0014ad30>] [<00122575>]
kernel: [<0202b209>] [<00122575>] [<00122e00>] [<0012efb5>] [<0012ebe6>] [<0012fa75>] [<001214a1>] [<001216f1>]
kernel: [<0202bcff>] [<0012178f>] [<0011fd8f>] [<0011fe3a>] [<0010a2f9>]
kernel: Code: 64 8a 04 0e 0f a1 88 c2 81 e2 ff 0000 00 89 54 24 10 52 68
kernel: Detected scsi CD-ROM sr0 at scsi0, channel0, id 3, lun 0

ksyms:
------

0202b65e sr_photocd [sr_mod]
0202e428 scsi_CDs [sr_mod]
0202cd61 sr_ioctl [sr_mod]
0202bf03 requeue_sr_request [sr_mod]
0202c5f6 get_sectorsize [sr_mod]
0202e3fc sr_template [sr_mod]
0202e3f8 do_sr [sr_mod]
0201cd88 sys_ldt_count [emumodule]
0201b119 _TRANSIENT_sys_vm86 [emumodule]
0201beab _TRANSIENT_do_device_not_available [emumodule]
0201b295 _TRANSIENT_handle_vm86_fault [emumodule]
0201c27b do_fast_syscall [emumodule]
0201c428 _TRANSIENT_sys_sigreturn [emumodule]
0201bdf7 _TRANSIENT_do_overflow [emumodule]
0201cd7c vm86_count_sti [emumodule]
0201cd84 signalret_count [emumodule]
0201cd58 vm86_fault_count [emumodule]
0201cd5c vm86_trap_count [emumodule]
0201be51 _TRANSIENT_do_bounds [emumodule]
0201b004 _TRANSIENT_save_v86_state [emumodule]
0201cd80 vm86_count_cli [emumodule]
0201bd34 _TRANSIENT_do_divide_error [emumodule]
0201bd8e _TRANSIENT_do_int3 [emumodule]
0201bb6b _TRANSIENT_handle_vm86_trap [emumodule]
0201ca5a _TRANSIENT_sys_modify_ldt [emumodule]
0201c3bf init_emusyscalls [emumodule]
0201c110 fast_syscall [emumodule]
0201c405 remove_emusyscalls [emumodule]
0201bf05 _TRANSIENT_do_debug [emumodule]
02019398 first_free_NR_syscall [syscallmgr]
02019182 register_syscall [syscallmgr]
020191e7 unregister_syscall [syscallmgr]

-----------------------

If you need more information please let me know...

ron

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