I just had nautilus crash with SIGSEGV after opening the preferences dialog and clicking on the permissions tab. I noticed this same bug relates to permissions on a USB device. Mine was on a PCMCIA based LS-120 drive. Here's the dmesg output:
[ 158.199555] pcmcia: registering new device pcmcia0.0
[ 158.383718] 0.0: ttyS0 at I/O 0xa100 (irq = 3) is a TI16750
[ 158.385811] 0.0: ttyS1 at I/O 0xa108 (irq = 3) is a TI16750
[ 193.206718] pccard: card ejected from slot 0
[ 87.648935] pccard: PCMCIA card inserted into slot 0
[ 87.649355] pcmcia: registering new device pcmcia0.0
[ 87.760075] scsi0 : pata_pcmcia
[ 87.760563] ata1: PATA max PIO0 cmd 0xa180 ctl 0xa386 irq 3
[ 357.059398] pccard: card ejected from slot 0
[ 363.822129] pccard: PCMCIA card inserted into slot 0
[ 363.822565] pcmcia: registering new device pcmcia0.0
[ 363.868902] scsi1 : pata_pcmcia
[ 363.869908] ata2: PATA max PIO0 cmd 0xa180 ctl 0xa386 irq 3
[ 364.186767] ata2.01: ATAPI: LS-120 SLIM3 00 UHD Floppy, F714M79M, max MWDMA1
[ 364.350691] ata2.01: configured for PIO0
[ 364.351541] isa bounce pool size: 16 pages
[ 364.353788] scsi 1:0:1:0: Direct-Access MATSHITA LS-120 SLIM3 00 F714 PQ: 0 ANSI: 5
[ 364.500904] Driver 'sd' needs updating - please use bus_type methods
[ 377.662267] sd 1:0:1:0: [sda] 246528 512-byte hardware sectors (126 MB)
[ 377.662630] sd 1:0:1:0: [sda] Write Protect is off
[ 377.662635] sd 1:0:1:0: [sda] Mode Sense: 00 66 31 00
[ 377.671175] sd 1:0:1:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 377.672118] sd 1:0:1:0: [sda] 246528 512-byte hardware sectors (126 MB)
[ 377.672404] sd 1:0:1:0: [sda] Write Protect is off
[ 377.672409] sd 1:0:1:0: [sda] Mode Sense: 00 66 31 00
[ 377.672973] sd 1:0:1:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 377.672980] sda: unknown partition table
[ 377.880762] sd 1:0:1:0: [sda] Attached SCSI removable disk
[ 377.894917] sd 1:0:1:0: Attached scsi generic sg0 type 0
[ 158.274039] EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
[ 473.820639] nautilus[5997]: segfault at 00000004 eip b6d88c0a esp bfc35c70 error 4
I just had nautilus crash with SIGSEGV after opening the preferences dialog and clicking on the permissions tab. I noticed this same bug relates to permissions on a USB device. Mine was on a PCMCIA based LS-120 drive. Here's the dmesg output:
[ 158.199555] pcmcia: registering new device pcmcia0.0
[ 158.383718] 0.0: ttyS0 at I/O 0xa100 (irq = 3) is a TI16750
[ 158.385811] 0.0: ttyS1 at I/O 0xa108 (irq = 3) is a TI16750
[ 193.206718] pccard: card ejected from slot 0
[ 87.648935] pccard: PCMCIA card inserted into slot 0
[ 87.649355] pcmcia: registering new device pcmcia0.0
[ 87.760075] scsi0 : pata_pcmcia
[ 87.760563] ata1: PATA max PIO0 cmd 0xa180 ctl 0xa386 irq 3
[ 357.059398] pccard: card ejected from slot 0
[ 363.822129] pccard: PCMCIA card inserted into slot 0
[ 363.822565] pcmcia: registering new device pcmcia0.0
[ 363.868902] scsi1 : pata_pcmcia
[ 363.869908] ata2: PATA max PIO0 cmd 0xa180 ctl 0xa386 irq 3
[ 364.186767] ata2.01: ATAPI: LS-120 SLIM3 00 UHD Floppy, F714M79M, max MWDMA1
[ 364.350691] ata2.01: configured for PIO0
[ 364.351541] isa bounce pool size: 16 pages
[ 364.353788] scsi 1:0:1:0: Direct-Access MATSHITA LS-120 SLIM3 00 F714 PQ: 0 ANSI: 5
[ 364.500904] Driver 'sd' needs updating - please use bus_type methods
[ 377.662267] sd 1:0:1:0: [sda] 246528 512-byte hardware sectors (126 MB)
[ 377.662630] sd 1:0:1:0: [sda] Write Protect is off
[ 377.662635] sd 1:0:1:0: [sda] Mode Sense: 00 66 31 00
[ 377.671175] sd 1:0:1:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 377.672118] sd 1:0:1:0: [sda] 246528 512-byte hardware sectors (126 MB)
[ 377.672404] sd 1:0:1:0: [sda] Write Protect is off
[ 377.672409] sd 1:0:1:0: [sda] Mode Sense: 00 66 31 00
[ 377.672973] sd 1:0:1:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 377.672980] sda: unknown partition table
[ 377.880762] sd 1:0:1:0: [sda] Attached SCSI removable disk
[ 377.894917] sd 1:0:1:0: Attached scsi generic sg0 type 0
[ 158.274039] EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
[ 473.820639] nautilus[5997]: segfault at 00000004 eip b6d88c0a esp bfc35c70 error 4