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Subjectkernel craps out accessing Sony CDRW with ide-scsi
Hi,

I am having problems using kernel 2.4.20 with built-in scsi-emulation
and a newly installed Sony CDRW drive. I've seen posts on ide-scsi on
the list in the past, but nothing this specific, so I am forwarding this
info to the list for anyone interested. The kernel recognizes the drive
fine and 'cdrecord -scanbus' yields the following info:

scsibus0:
0,0,0 0) 'SONY ' 'CD-RW CRX185E1 ' 'XYS2' Removable CD-ROM
0,1,0 1) 'TOSHIBA ' 'DVD-ROM SD-R1002' '1034' Removable CD-ROM
0,2,0 2) *

...etc. This kernel has worked fine with the toshiba CDRW drive, but
since installing and using the Sony on four separate occasions I have
had lockups requiring a hard reset, once when ripping an audio CD, once
when using gnome2's cdplayer and the other two using 'eject /dev/sr0' at
the command line. At other times it works just fine. This or something
similar is found in the kernel log of the events:

=================================================================

Jan 27 12:32:13 iii kernel: scsi : aborting command due to timeout : pid
202550, scsi0, channel 0, id 0, lun 0 0x25 00 00 00 00 00 00 00 00 00
Jan 27 12:32:13 iii kernel: hdc: irq timeout: status=0xd0 { Busy }
Jan 27 12:32:13 iii kernel: hdc: DMA disabled
Jan 27 12:32:13 iii kernel: hdc: ATAPI reset complete
Jan 27 12:32:13 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:32:13 iii kernel: hdc: ATAPI reset complete
Jan 27 12:32:15 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:32:15 iii kernel: scsi0 channel 0 : resetting for second half
of retries.
Jan 27 12:32:15 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:32:15 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:32:15 iii kernel: hdc: drive not ready for command
Jan 27 12:32:15 iii kernel: hdc: ATAPI reset complete
Jan 27 12:32:45 iii kernel: scsi : aborting command due to timeout : pid
202551, scsi0, channel 0, id 0, lun 0 0x25 00 00 00 00 00 00 00 00 00
Jan 27 12:32:45 iii kernel: SCSI host 0 abort (pid 202551) timed out -
resetting
Jan 27 12:32:45 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:32:45 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:32:45 iii kernel: hdc: ATAPI reset complete
Jan 27 12:32:47 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:32:47 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:32:47 iii kernel: hdc: drive not ready for command

==============this repeats until the following pid==========
Jan 27 12:53:01 iii kernel: scsi : aborting command due to timeout : pid
202654, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:53:01 iii kernel: SCSI host 0 abort (pid 202654) timed out -
resetting
Jan 27 12:53:01 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:53:02 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:02 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:03 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:03 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:53:03 iii kernel: hdc: drive not ready for command
Jan 27 12:53:04 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:10 iii kernel: Unable to handle kernel paging request at
virtual address 0c758b10
Jan 27 12:53:10 iii kernel: printing eip:
Jan 27 12:53:10 iii kernel: c014beb4
Jan 27 12:53:10 iii kernel: *pde = 00000000
Jan 27 12:53:10 iii kernel: Oops: 0000
Jan 27 12:53:10 iii kernel: CPU: 0
Jan 27 12:53:10 iii kernel: EIP: 0010:[proc_check_root+132/272]
Tainted: P
Jan 27 12:53:10 iii kernel: EFLAGS: 00210207
Jan 27 12:53:10 iii kernel: eax: 0c758b08 ebx: c158d3c0 ecx:
d9940000 edx: 0c758b08
Jan 27 12:53:10 iii kernel: esi: c1588b40 edi: d9940000 ebp:
c158d3c0 esp: c6465efc
Jan 27 12:53:10 iii kernel: ds: 0018 es: 0018 ss: 0018
Jan 27 12:53:10 iii kernel: Process ps (pid: 17219, stackpage=c6465000)
Jan 27 12:53:10 iii kernel: Stack: cbb102c0 ffffffec c6465fa4 cbb102c0
00000000 c15eac00 0c758b08 c014bf5d
Jan 27 12:53:10 iii kernel: cbb102c0 c7599f40 c013989f cbb102c0
00000001 c013a388 cbb102c0 00000001
Jan 27 12:53:10 iii kernel: c6465fa4 caf3b000 00000000 00000008
bffff710 00000008 caf3b00f c7599f40
Jan 27 12:53:10 iii kernel: Call Trace: [proc_permission+29/48]
[permission+31/48] [link_path_walk+2104/2144] [path_walk+26/32]
[path_lookup+27/48]
Jan 27 12:53:10 iii kernel: [__user_walk+38/64] [sys_readlink+48/160]
[sys_close+67/96] [system_call+51/56]
Jan 27 12:53:10 iii kernel:
Jan 27 12:53:10 iii kernel: Code: 8b 50 08 39 d0 74 65 8b 40 0c 89 54 24
18 39 da 75 ea 56 50
Jan 27 12:53:13 iii kernel: scsi : aborting command due to timeout :
pid 202655, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:53:13 iii kernel: SCSI host 0 abort (pid 202655) timed out -
resetting
Jan 27 12:53:13 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:53:14 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:14 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:14 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:15 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:15 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:53:15 iii kernel: hdc: drive not ready for command
Jan 27 12:53:16 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:19 iii kernel: Unable to handle kernel paging request at
virtual address 0c758b10
Jan 27 12:53:19 iii kernel: printing eip:
Jan 27 12:53:19 iii kernel: c014beb4
Jan 27 12:53:19 iii kernel: *pde = 00000000
Jan 27 12:53:19 iii kernel: Oops: 0000
Jan 27 12:53:19 iii kernel: CPU: 0
Jan 27 12:53:19 iii kernel: EIP: 0010:[proc_check_root+132/272]
Tainted: P
Jan 27 12:53:19 iii kernel: EFLAGS: 00210207
Jan 27 12:53:19 iii kernel: eax: 0c758b08 ebx: c158d3c0 ecx:
d9940000 edx: 0c758b08
Jan 27 12:53:19 iii kernel: esi: c1588b40 edi: d9940000 ebp:
c158d3c0 esp: cd86defc
Jan 27 12:53:19 iii kernel: ds: 0018 es: 0018 ss: 0018
Jan 27 12:53:19 iii kernel: Process ps (pid: 17220, stackpage=cd86d000)
Jan 27 12:53:19 iii kernel: Stack: cbb102c0 ffffffec cd86dfa4 cbb102c0
00000000 c15eac00 0c758b08 c014bf5d
Jan 27 12:53:19 iii kernel: cbb102c0 c7599f40 c013989f cbb102c0
00000001 c013a388 cbb102c0 00000001
Jan 27 12:53:19 iii kernel: cd86dfa4 cf186000 00000000 00000008
bffff710 00000008 cf18600f c7599f40
Jan 27 12:53:19 iii kernel: Call Trace: [proc_permission+29/48]
[permission+31/48] [link_path_walk+2104/2144] [path_walk+26/32]
[path_lookup+27/48]
Jan 27 12:53:19 iii kernel: [__user_walk+38/64] [sys_readlink+48/160]
[sys_close+67/96] [system_call+51/56]
Jan 27 12:53:19 iii kernel:
Jan 27 12:53:19 iii kernel: Code: 8b 50 08 39 d0 74 65 8b 40 0c 89 54 24
18 39 da 75 ea 56 50
Jan 27 12:53:25 iii kernel: scsi : aborting command due to timeout :
pid 202656, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:53:25 iii kernel: SCSI host 0 abort (pid 202656) timed out -
resetting
Jan 27 12:53:25 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:53:26 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:26 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:27 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:27 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:53:27 iii kernel: hdc: drive not ready for command
Jan 27 12:53:28 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:37 iii kernel: scsi : aborting command due to timeout : pid
202657, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:53:37 iii kernel: SCSI host 0 abort (pid 202657) timed out -
resetting
Jan 27 12:53:37 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:53:38 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:38 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:38 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:39 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:53:39 iii kernel: hdc: drive not ready for command
Jan 27 12:53:40 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:46 iii kernel: Unable to handle kernel paging request at
virtual address 00020001
Jan 27 12:53:46 iii kernel: printing eip:
Jan 27 12:53:46 iii kernel: c014bcba
Jan 27 12:53:46 iii kernel: *pde = 00000000
Jan 27 12:53:46 iii kernel: Oops: 0002
Jan 27 12:53:46 iii kernel: CPU: 0
Jan 27 12:53:46 iii kernel: EIP: 0010:[proc_root_link+26/96] Tainted: P
Jan 27 12:53:46 iii kernel: EFLAGS: 00210202
Jan 27 12:53:46 iii kernel: eax: d430e000 ebx: fffffffe ecx:
00020001 edx: d2901f10
Jan 27 12:53:46 iii kernel: esi: ffffffec edi: d2901fa4 ebp:
cbb102c0 esp: d2901ee8
Jan 27 12:53:46 iii kernel: ds: 0018 es: 0018 ss: 0018
Jan 27 12:53:46 iii kernel: Process ps (pid: 17221, stackpage=d2901000)
Jan 27 12:53:46 iii kernel: Stack: cbb102c0 c014be53 cbb102c0 d2901f10
d2901f14 cbb102c0 ffffffec d2901fa4
Jan 27 12:53:46 iii kernel: cbb102c0 00000000 d2901fa4 c014bf50
c014bf5d cbb102c0 c7599f40 c013989f
Jan 27 12:53:46 iii kernel: cbb102c0 00000001 c013a388 cbb102c0
00000001 d2901fa4 d50f0000 00000000
Jan 27 12:53:46 iii kernel: Call Trace: [proc_check_root+35/272]
[proc_permission+16/48] [proc_permission+29/48] [permission+31/48]
[link_path_walk+2104/2144]
Jan 27 12:53:46 iii kernel: [path_walk+26/32] [path_lookup+27/48]
[__user_walk+38/64] [sys_readlink+48/160] [sys_close+67/96]
[system_call+51/56]
Jan 27 12:53:46 iii kernel:
Jan 27 12:53:46 iii kernel: Code: ff 01 8b 51 14 85 d2 74 03 ff 42 28 8b
44 24 10 89 10 8b 51
Jan 27 12:53:49 iii kernel: scsi : aborting command due to timeout :
pid 202658, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:53:50 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:50 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:50 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:53:50 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:53:50 iii kernel: hdc: drive not ready for command
Jan 27 12:53:50 iii kernel: hdc: ATAPI reset complete
Jan 27 12:53:56 iii kernel: Unable to handle kernel paging request at
virtual address 00020001
Jan 27 12:53:56 iii kernel: printing eip:
Jan 27 12:53:56 iii kernel: c014bcba
Jan 27 12:53:56 iii kernel: *pde = 00000000
Jan 27 12:53:56 iii kernel: Oops: 0002
Jan 27 12:53:56 iii kernel: CPU: 0
Jan 27 12:53:56 iii kernel: EIP: 0010:[proc_root_link+26/96] Tainted: P
Jan 27 12:53:56 iii kernel: EFLAGS: 00210202
Jan 27 12:53:56 iii kernel: eax: d430e000 ebx: fffffffe ecx:
00020001 edx: d2901f10
Jan 27 12:53:56 iii kernel: esi: ffffffec edi: d2901fa4 ebp:
cbb102c0 esp: d2901ee8
Jan 27 12:53:56 iii kernel: ds: 0018 es: 0018 ss: 0018
Jan 27 12:53:56 iii kernel: Process ps (pid: 17223, stackpage=d2901000)
Jan 27 12:53:56 iii kernel: Stack: cbb102c0 c014be53 cbb102c0 d2901f10
d2901f14 cbb102c0 ffffffec d2901fa4
Jan 27 12:53:56 iii kernel: cbb102c0 00000000 d2901fa4 c014bf50
c014bf5d cbb102c0 c7599f40 c013989f
Jan 27 12:53:56 iii kernel: cbb102c0 00000001 c013a388 cbb102c0
00000001 d2901fa4 d7969000 00000000
Jan 27 12:53:56 iii kernel: Call Trace: [proc_check_root+35/272]
[proc_permission+16/48] [proc_permission+29/48] [permission+31/48]
[link_path_walk+2104/2144]
Jan 27 12:53:56 iii kernel: [path_walk+26/32] [path_lookup+27/48]
[__user_walk+38/64] [sys_readlink+48/160] [sys_close+67/96]
[system_call+51/56]
Jan 27 12:53:56 iii kernel:
Jan 27 12:53:56 iii kernel: Code: ff 01 8b 51 14 85 d2 74 03 ff 42 28 8b
44 24 10 89 10 8b 51
Jan 27 12:54:00 iii kernel: scsi : aborting command due to timeout :
pid 202659, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:54:00 iii kernel: SCSI host 0 abort (pid 202659) timed out -
resetting
Jan 27 12:54:00 iii kernel: SCSI bus is being reset for host 0 channel 0.
Jan 27 12:54:00 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:54:00 iii kernel: hdc: ATAPI reset complete
Jan 27 12:54:02 iii kernel: hdc: irq timeout: status=0xc0 { Busy }
Jan 27 12:54:02 iii kernel: hdc: status timeout: status=0xc0 { Busy }
Jan 27 12:54:02 iii kernel: hdc: drive not ready for command
Jan 27 12:54:02 iii kernel: hdc: ATAPI reset complete
Jan 27 12:54:12 iii kernel: scsi : aborting command due to timeout : pid
202660, scsi0, channel 0, id 0, lun 0 0x1e 00 00 00 01 00
Jan 27 12:54:12 iii kernel: SCSI host 0 abort (pid 202660) timed out -
resetting

======================================================================

At which point everything freezes, the keyboard LEDs flash and no
combination of three fingered salutes revives the system.

THis is my first post to the list so I apologize if any of this is
superfluous.


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