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Red Hat Bugzilla – Attachment 161937 Details for
Bug 244558
gnome-media - gnome-cd picky about device name (segfault)
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results from a run 'gdb --args gnome-cd --unique --play --device /dev/scd0'
gnome-cd.gdb-trace (text/plain), 6.84 KB, created by
Michal Jaegermann
on 2007-08-21 01:10:18 UTC
(
hide
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Description:
results from a run 'gdb --args gnome-cd --unique --play --device /dev/scd0'
Filename:
MIME Type:
Creator:
Michal Jaegermann
Created:
2007-08-21 01:10:18 UTC
Size:
6.84 KB
patch
obsolete
>Current directory is /home/michal/gnome-cd/ >GNU gdb Red Hat Linux (6.6-15.fc7rh) >Copyright (C) 2006 Free Software Foundation, Inc. >GDB is free software, covered by the GNU General Public License, and you are >welcome to change it and/or distribute copies of it under certain conditions. >Type "show copying" to see the conditions. >There is absolutely no warranty for GDB. Type "show warranty" for details. >This GDB was configured as "x86_64-redhat-linux-gnu"... >Using host libthread_db library "/lib64/libthread_db.so.1". >(gdb) r >Starting program: /usr/bin/gnome-cd --unique --play --device /dev/scd0 >[Thread debugging using libthread_db enabled] >[New Thread 46912496372624 (LWP 15373)] >[Detaching after fork from child process 15376. (Try `set detach-on-fork off'.)] >[New Thread 1084229968 (LWP 15377)] > >Program received signal SIGSEGV, Segmentation fault. >[Switching to Thread 46912496372624 (LWP 15373)] >0x00000032b3609df5 in sg2_setup_scsi_cmd (d=0x8050f0, cmdp=0x7fff14f01420 "Z", cmd_len=10, in_size=0, out_size=22) at scsi_interface.c:396 >(gdb) where >#0 0x00000032b3609df5 in sg2_setup_scsi_cmd (d=0x8050f0, cmdp=0x7fff14f01420 "Z", cmd_len=10, in_size=0, out_size=22) at scsi_interface.c:396 >#1 0x00000032b360a523 in mode_sense_atapi (d=0x8050f0, size=22, page=42) at scsi_interface.c:578 >#2 0x00000032b360a70a in mode_sense (d=0x8050f0, size=22, page=42) at scsi_interface.c:618 >#3 0x00000032b360deab in check_mmc (d=0x8050f0) at scsi_interface.c:1510 >#4 0x00000032b360e2a4 in scsi_init_drive (d=0x8050f0) at scsi_interface.c:1573 >#5 0x00000032b360e191 in scsi_inquiry (d=0x8050f0) at scsi_interface.c:1557 >#6 0x00000032b3604e34 in sgio_cdda_identify_scsi (generic_device=0x78cb40 "/dev/scd0", ioctl_device=0x0, messagedest=0, messages=0x0) at scan_devices.c:538 >#7 0x00000032b36050d1 in cdda_identify_scsi (generic_device=0x78cb40 "/dev/scd0", ioctl_device=0x0, messagedest=0, messages=0x0) at scan_devices.c:610 >#8 0x00000032b3603df2 in cdda_identify (device=0x78cb40 "/dev/scd0", messagedest=0, messages=0x0) at scan_devices.c:130 >#9 0x00002aaaaf7ba8b9 in gst_cd_paranoia_src_open (cddabasesrc=0x79a150, device=0x78cb40 "/dev/scd0") at gstcdparanoiasrc.c:189 >#10 0x00002aaaaf9c0a79 in gst_cdda_base_src_start (basesrc=0x79a150) at gstcddabasesrc.c:1371 >#11 0x0000003615a104e7 in gst_base_src_start (basesrc=0x79a150) at gstbasesrc.c:1986 >#12 0x0000003615a11602 in gst_base_src_activate_push (pad=0x7922e0, active=<value optimized out>) at gstbasesrc.c:2121 >#13 0x00000036156511ed in gst_pad_activate_push (pad=0x7922e0, active=1) at gstpad.c:886 >#14 0x0000003615651710 in gst_pad_set_active (pad=0x7922e0, active=1) at gstpad.c:648 >#15 0x000000361563ab4b in activate_pads (pad=0x24, ret=0x7fff14f01c00, active=0x7fff14f01420) at gstelement.c:2446 >#16 0x0000003615645d03 in gst_iterator_fold (it=0x804670, func=0x361563ab30 <activate_pads>, ret=0x7fff14f01c00, user_data=0x7fff14f01c6c) at gstiterator.c:503 >#17 0x000000361563a646 in iterator_activate_fold_with_resync (iter=0x804670, func=0x361563ab30 <activate_pads>, user_data=0x7fff14f01c6c) at gstelement.c:2478 >#18 0x000000361563a6f7 in gst_element_pads_activate (element=0x79a150, active=1) at gstelement.c:2513 >#19 0x000000361563aa5c in gst_element_change_state_func (element=0x79a150, transition=<value optimized out>) at gstelement.c:2586 >#20 0x0000003615a12ae3 in gst_base_src_change_state (element=0x79a150, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbasesrc.c:2271 >#21 0x00000036156376b0 in gst_element_change_state (element=0x24, transition=351278112) at gstelement.c:2362 >#22 0x0000003615637791 in gst_element_change_state (element=0x79a150, transition=<value optimized out>) at gstelement.c:2399 >#23 0x0000003615637ae4 in gst_element_set_state_func (element=0x79a150, state=<value optimized out>) at gstelement.c:2312 >#24 0x000000361562bb48 in gst_bin_change_state_func (element=0x774200, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:1953 >#25 0x0000003615653dab in gst_pipeline_change_state (element=0x774200, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstpipeline.c:503 >#26 0x00002aaaaef73e42 in gst_play_base_bin_change_state (element=0x774200, transition=7222656) at gstplaybasebin.c:2580 >#27 0x00002aaaaef6cd0f in gst_play_bin_change_state (element=0x774200, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstplaybin.c:1821 >#28 0x00000036156376b0 in gst_element_change_state (element=0x24, transition=351278112) at gstelement.c:2362 >#29 0x0000003615637791 in gst_element_change_state (element=0x774200, transition=<value optimized out>) at gstelement.c:2399 >#30 0x0000003615637ae4 in gst_element_set_state_func (element=0x774200, state=<value optimized out>) at gstelement.c:2312 >#31 0x0000000000411904 in gst_cdrom_ensure_open (cdrom=0x764f00) at gst-cdrom.c:826 >#32 0x000000000041217c in gst_cdrom_update_cd (gnome_cdrom=<value optimized out>) at gst-cdrom.c:862 >#33 0x000000000040ea0d in gnome_cdrom_construct (cdrom=0x764f00, device=0x76aab0 "/dev/scd0", update=GNOME_CDROM_UPDATE_CONTINOUS, lifetime=GNOME_CDROM_DEVICE_STATIC, error=0x7fff14f022c0) at cdrom.c:853 >#34 0x000000000040a7af in main (argc=<value optimized out>, argv=0x7fff14f023d8) at gnome-cd.c:625 >(gdb) list sg2_setup_scsi_cmd >385 >386 static void sg2_setup_scsi_cmd(cdrom_drive *d, >387 char *cmdp, >388 unsigned int cmd_len, >389 unsigned int in_size, >390 unsigned int out_size) { >391 struct sg_info *sgi = (struct sg_info *)d->sg; >392 struct sg_header *hdr = (struct sg_header *)sgi->hdr; >393 >394 sgi->cmdp = (char *)hdr + sizeof (struct sg_header); >(gdb) list >395 sgi->cmd_len = cmd_len; >396 memcpy(sgi->cmdp, cmdp, cmd_len); >397 >398 sgi->dxferp = sgi->cmdp + cmd_len; >399 memset(sgi->dxferp, sgi->bytefill, sgi->dxferp_max_buffer_len - cmd_len); >400 >401 sgi->in_size = in_size; >402 sgi->out_size = out_size; >403 } >404 >(gdb) >(gdb) p *sgi >$1 = {hdr = 0x0, cmdp = 0x24 <Address 0x24 out of bounds>, cmd_len = 10, cmdp_buffer_len = 0, dxferp = 0x0, dxferp_buffer_len = 0, dxferp_max_buffer_len = 2352, bytefill = 255 'ΓΏ', bytecheck = 1, in_size = 0, out_size = 0, handle_scsi_cmd = 0x32b3609e52 <sg2_handle_scsi_cmd>, setup_scsi_cmd = 0x32b3609d90 <sg2_setup_scsi_cmd>} >(gdb) p *hdr >Cannot access memory at address 0x0 >(gdb) p *d >$2 = {opened = 0, cdda_device_name = 0x0, ioctl_device_name = 0x0, cdda_fd = 0, ioctl_fd = 0, drive_model = 0x0, drive_type = 11, interface = 0, bigendianp = -1, nsectors = 13, cd_extra = 0, tracks = 0, disc_toc = {{bFlags = 0 '\0', bTrack = 0 '\0', dwStartSector = 0} <repeats 100 times>}, audio_first_sector = 0, audio_last_sector = 0, errordest = 0, messagedest = 0, errorbuf = 0x0, messagebuf = 0x0, enable_cdda = 0, read_toc = 0, read_audio = 0, set_speed = 0, error_retry = 0, report_all = 0, is_atapi = 1, is_mmc = 0, sg = 0x7ec980 "", sg_buffer = 0x0, inqbytes = {0 '\0', 0 '\0', 0 '\0', 0 '\0'}, density = 0 '\0', orgdens = 0 '\0', orgsize = 0, bigbuff = 32768, adjust_ssize = 0, fua = 0, lun = -1, sigset = {__val = {0 <repeats 16 times>}}}
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