Messages in this thread | | | From | Ed Tomlinson <> | Subject | 2.5.x opps stopping serial | Date | Fri, 11 Oct 2002 08:45:24 -0400 |
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Hi,
I have been seeing this during shutdown ever since I started using 2.5. Figured I really should report it... There are three serial ports. One for a serial console, the second for a backUPS ups, the third for a (real) modem. Dist is debian sid.
Saving state of known serial devices... Unable to handle kernel NULL pointer dereference at virtual addres s 00000114 printing eip: c0191f73 *pde = 00000000 Oops: 0000 af_packet snd-seq-midi snd-seq-oss snd-seq-midi-event snd-seq snd-pcm-oss snd-mixer-oss snd-cs46xx snd-pcm snd-timer snd-rawmidi snd-seq-device snd-ac97-codec snd soundcore gameport softdog matroxfb_base matroxfb _g450 matroxfb_DAC1064 g450_pll matroxfb_accel fbcon-cfb24 fbcon-cfb8 fbcon-cfb32 fbcon-cfb16 matroxfb_mis c mga agpgart pppoe pppox ipchains msdos fat sd_mod floppy dummy bsd_comp ppp_generic slhc parport_pc lp p arport ipip smbfs nls_cp850 nls_cp437 nfs lockd sunrpc binfmt_aout autofs4 cdrom via-rhine mii tulip crc32 usb-storage scsi_mod pl2303 usbserial hid CPU: 0 EIP: 0060:[<c0191f73>] Not tainted EFLAGS: 00010246 EIP is at uart_block_til_ready+0x15b/0x1a4 eax: 00000000 ebx: d9cd4000 ecx: dffe381c edx: c17a5114 esi: d9cd5e84 edi: 00000202 ebp: c17a50c0 esp: d9cd5e58 ds: 0068 es: 0068 ss: 0068 Process bkupsd (pid: 1096, threadinfo=d9cd4000 task=dc75a160) Stack: c0284800 d9b75000 c17a50c0 00000000 c0356804 dffe381c 00000000 dc75a160 c0110868 00000000 00000000 00000000 dc75a160 c0110868 c17a5114 c17a5114 c0192269 d9e64d20 c17a50c0 00000000 00000100 00000000 dec0b3b4 d9cd4000 Call Trace: [<c0110868>] default_wake_function+0x0/0x2c [<c0110868>] default_wake_function+0x0/0x2c [<c0192269>] uart_open+0x1d9/0x220 [<c0199d72>] tty_open+0x1e6/0x39c [<c0199da3>] tty_open+0x217/0x39c [<c0139759>] get_chrfops+0xa1/0x164 [<c0139a03>] chrdev_open+0x5b/0x94 [<c01382f9>] dentry_open+0xb9/0x16c [<c0138237>] filp_open+0x43/0x4c [<c01385d8>] sys_open+0x34/0x70 [<c0106ef7>] syscall_call+0x7/0xb
Code: f6 80 14 01 00 00 02 75 34 8b 44 24 44 50 e8 6a 6b 00 00 83 backing up serial.conf done.
Ideas? Ed Tomlinson
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