Re: mount hfs on SCSI cdrom = segfault

[Nehal <nehal@canada.com>]

Hello Randy,

thx for responding, yes i took out 2.4.20 this
was unintented, sorry (sometimes i clip, ill be more
careful now).... but yes 2.4.20 unmodified

the message i pasted is unmodified, its a middle-click
paste from 'dmesg' output so what u c is what i c :)

Nehal

>First post said Linux 2.4.20... that's good info.
>That info has been deleted from subsequent postings.
>
>Would it make sense for the BUG() message to include a kernel
>version number???  I'm wondering since people do omit that data.
>
>~Randy
>
>
>On Wed, 02 Apr 2003 10:15:21 -0800 Nehal <nehal@canada.com> wrote:
>
>| > i have a hybrid cd (both HFS, ISO9660) , i have two CD drives,
>| > one IDE CD-Rom (actima 32x), and one SCSI CD-burner (yamaha 6416)
>| > on an advansys cfg-510 ISA scsi card
>| >
>| > when i try to mount on IDE using hfs with:
>| >
>| >    mount -v -r -t hfs /dev/hdc /cdrom
>| >
>| > it works fine, yet when i try on scsi with:
>| >
>| >    mount -v -r -t hfs /dev/scd0 /cdrom
>| >
>| > i get a "Segmentation fault" error, no more output given,
>| > it also locks the drive, and sometimes i can use the
>| > 'eject' command to eject it, sometimes i cant and i gotta reboot
>| >
>| > note: when i try to mount the cd using regular iso9660 fs, it
>| > works perfectly on both cd drives,
>| > also i have tried 2 hybrid cd's, both times i have trouble mounting
>| > hfs on the scsi drive only
>| >
>| > Nehal 
>| 
>| ok i updated firmware of writer from 1.0c to 1.0d with no help,
>| but i found when i do 'dmesg' after mounting i get this error:
>| ========
>| kernel BUG at buffer.c:2518!
>| invalid operand: 0000
>| CPU:    0
>| EIP:    0010:[<c013c329>]    Not tainted
>| EFLAGS: 00013206
>| eax: 000007ff   ebx: 00000b00   ecx: 00000800   edx: c11ee640
>| esi: 00000b00   edi: 00000200   ebp: 00000b00   esp: c3425db4
>| ds: 0018   es: 0018   ss: 0018
>| Process mount (pid: 514, stackpage=c3425000)
>| Stack: c6d0d760 c3425e48 c0257a59 c7f1c574 00000000 00000b00 00000200 
>| 00000000
>|        c0139f66 00000b00 00000000 00000200 00000000 00000001 c7568400 
>| 00000000
>|        c013a1e0 00000b00 00000000 00000200 00000000 c019280a 00000b00 
>| 00000000
>| Call Trace:    [<c0257a59>] [<c0139f66>] [<c013a1e0>] [<c019280a>] 
>| [<c019188a>]
>|   [<c01925ff>] [<c0285c30>] [<c013cdca>] [<c013e908>] [<c013d64b>] 
>| [<c013cd3c>]
>|   [<c013d9a1>] [<c014fcf3>] [<c0150020>] [<c014fe69>] [<c0150441>] 
>| [<c01090ff>]
>| 
>| Code: 0f 0b d6 09 9a 2b 33 c0 8d 87 00 fe ff ff 3d 00 0e 00 00 76
>|  
>| root@Nehal:~#
>| ========
>| then when i try it again it doesnt give this message, it locks up my drive
>| 
>| can someone please help debug this problem,
>| thx, Nehal
>
>
>  
>