On Thursday 15 March 2018, Christoph Hellwig wrote:
> The paride drivers are some of the cruftiest, grottiest block drivers
> (besides drivers/ide and floppy.c) and have seen one single targeted
> commit since the dawn of git in 2007. Drop them to make block layer
> improvements easier.
This will make my parallel port ZIP and LS-120 drives useless :(
--
Ondrej Zary
On Thu, Mar 15, 2018 at 09:04:24AM +0100, Ondrej Zary wrote:
> On Thursday 15 March 2018, Christoph Hellwig wrote:
> > The paride drivers are some of the cruftiest, grottiest block drivers
> > (besides drivers/ide and floppy.c) and have seen one single targeted
> > commit since the dawn of git in 2007. Drop them to make block layer
> > improvements easier.
>
> This will make my parallel port ZIP and LS-120 drives useless :(
So you are still using them and the code actually works properly?
On Thursday 15 March 2018 09:04:55 Christoph Hellwig wrote:
> On Thu, Mar 15, 2018 at 09:04:24AM +0100, Ondrej Zary wrote:
> > On Thursday 15 March 2018, Christoph Hellwig wrote:
> > > The paride drivers are some of the cruftiest, grottiest block drivers
> > > (besides drivers/ide and floppy.c) and have seen one single targeted
> > > commit since the dawn of git in 2007. Drop them to make block layer
> > > improvements easier.
> >
> > This will make my parallel port ZIP and LS-120 drives useless :(
>
> So you are still using them and the code actually works properly?
I don't use them daily, only occasionally. Last time they worked.
Checked now and it seems to work:
[ 0.000000] Linux version 4.16.0-rc4+ (zary@gsql) (gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)) #217 SMP Tue Mar 13 00:08:16 CET 2018
...
# modprobe epat
[ 47.376762] paride: epat registered as protocol 0
# modprobe pf drive0=0x378,0
[ 59.048408] pf: pf version 1.04, major 47, cluster 64, nice 0
[ 59.156038] pf0: Sharing parport0 at 0x378
[ 59.157017] pf0: epat 1.02, Shuttle EPAT chip c6 at 0x378,
[ 59.157020] mode 5 (EPP-32), delay 1
[ 59.187400] pf0: mode sense completion: alt=0x51 stat=0x51 err=0x64 loop=0 phase=3
[ 59.188080] pf0: mode sense data done: alt=0x51 stat=0x51 err=0x64 loop=0 phase=3
[ 59.190648] pf0: Sense key: 6, ASC: 29, ASQ: 0
[ 59.196326] pf0: get capacity completion: alt=0x51 stat=0x51 err=0x24 loop=0 phase=3
[ 59.197038] pf0: get capacity data done: alt=0x51 stat=0x51 err=0x24 loop=0 phase=3
[ 59.199499] pf0: Sense key: 2, ASC: 3a, ASQ: 0
[ 59.200108] pf0: MATSHITA LS-120 COSM 04, master LUN 0, type 0
[ 59.200109] , removable
[ 59.200745] , no media
[ 59.219353] pf0: get capacity completion: alt=0x51 stat=0x51 err=0x24 loop=0 phase=3
[ 59.220078] pf0: get capacity data done: alt=0x51 stat=0x51 err=0x24 loop=0 phase=3
[ 59.222777] pf0: Sense key: 2, ASC: 3a, ASQ: 0
[ 59.223419] pf0: MATSHITA LS-120 COSM 04, master LUN 0, type 0
[ 59.223420] , removable
[ 59.224042] , no media
# mount /dev/pf0 /media/floppy
[ 89.255905] pf0: mode sense completion: alt=0x51 stat=0x51 err=0x64 loop=0 phase=3
[ 89.256657] pf0: mode sense data done: alt=0x51 stat=0x51 err=0x64 loop=0 phase=3
[ 89.259415] pf0: Sense key: 6, ASC: 28, ASQ: 0
[ 89.265571] pf0: MATSHITA LS-120 COSM 04, master LUN 0, type 0
[ 89.265573] , removable
[ 89.266228] , RO
[ 89.266871] , 246528 blocks
[ 96.871316] pf0: MATSHITA LS-120 COSM 04, master LUN 0, type 0
[ 96.871319] , removable
[ 96.871998] , RO
[ 96.872653] , 246528 blocks
[ 96.888131] pf0: MATSHITA LS-120 COSM 04, master LUN 0, type 0
[ 96.888134] , removable
[ 96.888808] , RO
[ 96.889479] , 246528 blocks
mount: /dev/pf0 is write-protected, mounting read-only
# ls -la /media/floppy/
total 356
drwxr-xr-x 9 root root 2048 Jun 11 2002 !!!!!!!!
drwxr-xr-x 6 root root 16384 Jan 1 1970 .
drwxr-xr-x 6 root root 4096 Sep 16 2015 ..
-rwxr-xr-x 1 root root 750 Nov 8 2007 auditsc-move-name-to-end-of-record.patch
-rwxr-xr-x 1 root root 638 Nov 8 2007 audit-send-netlink-sync.patch
-rwxr-xr-x 1 root root 5557 Nov 8 2007 cdu31a_interrupt_handling_new.patch
-rwxr-xr-x 1 root root 4317 Nov 8 2007 cdu31a_interrupt_handling.patch
-rwxr-xr-x 1 root root 51440 Nov 8 2007 cdu31a-locking-dd.patch
-rwxr-xr-x 1 root root 48769 Nov 8 2007 cdu31a-locking.patch
-rwxr-xr-x 1 root root 19470 Nov 8 2007 cdu31a-make-working.patch
-rwxr-xr-x 1 root root 899 Nov 8 2007 cdu31a-timeouts-fix.patch
-rwxr-xr-x 1 root root 36067 Nov 8 2007 cdu31a_trivial_cleanups.patch
-rwxr-xr-x 1 root root 19278 Nov 8 2007 cdu31a_use_semaphores.patch
-rwxr-xr-x 1 root root 462 Nov 8 2007 cyrix-math-new.patch
-rwxr-xr-x 1 root root 530 Nov 8 2007 cyrix-math.patch
-rwxr-xr-x 1 root root 391 Nov 8 2007 cyrix-new.patch
-rwxr-xr-x 1 root root 1468 Nov 8 2007 cyrix-test.patch
drwxr-xr-x 2 root root 2048 Jun 5 2002 DEUTSCH
drwxr-xr-x 2 root root 2048 Jun 5 2002 ENGLISH
drwxr-xr-x 2 root root 2048 Jun 5 2002 FRAN?AIS
-rwxr-xr-x 1 root root 490 Nov 8 2007 hz100.patch
-rwxr-xr-x 1 root root 796 Nov 8 2007 ide-floppy-eject.patch
-rwxr-xr-x 1 root root 1655 Nov 8 2007 pf-fix-excess-reconnects.patch
-rwxr-xr-x 1 root root 561 Nov 8 2007 sata_via_pata_dma_fix.patch
-rwxr-xr-x 1 root root 111104 Sep 26 1997 SETUP.EXE
-rwxr-xr-x 1 root root 643 Nov 8 2007 uncompressed-kernel-boot.patch
-rwxr-xr-x 1 root root 455 Nov 8 2007 uncompressed-kernel-make.patch
-rwxr-xr-x 1 root root 1098 Nov 8 2007 uncompressed-kernel.patch
-rwxr-xr-x 1 root root 1558 Nov 8 2007 usbtouchscreen-invert.patch
--
Ondrej Zary
On Thursday 15 March 2018 23:04:40 Ondrej Zary wrote:
> On Thursday 15 March 2018 09:04:55 Christoph Hellwig wrote:
> > On Thu, Mar 15, 2018 at 09:04:24AM +0100, Ondrej Zary wrote:
> > > On Thursday 15 March 2018, Christoph Hellwig wrote:
> > > > The paride drivers are some of the cruftiest, grottiest block drivers
> > > > (besides drivers/ide and floppy.c) and have seen one single targeted
> > > > commit since the dawn of git in 2007. Drop them to make block layer
> > > > improvements easier.
> > >
> > > This will make my parallel port ZIP and LS-120 drives useless :(
> >
> > So you are still using them and the code actually works properly?
>
> I don't use them daily, only occasionally. Last time they worked.
> Checked now and it seems to work:
Also found an old CD-ROM drive mounted in a HP C4381A box instead of the long-dead CD
Writer 7200. Not as good as the pf driver :)
# modprobe epat
[ 50.446246] paride: epat registered as protocol 0
# modprobe pcd drive0=0x378,0
[ 56.694140] pcd: pcd version 1.07, major 46, nice 0
[ 56.803399] pcd0: Sharing parport0 at 0x378
[ 56.804336] pcd0: epat 1.02, Shuttle EPAT chip c6 at 0x378,
[ 56.804339] mode 5 (EPP-32), delay 1
[ 56.837419] pcd0: Master: 8X CD-ROM V1.0
[ 56.839420] pcd0: mode sense capabilities completion: alt=0x51 stat=0x51 err=0x60 loop=0 phase=3
[ 56.842259] pcd0: mode sense capabilities: Sense key: 6, ASC: 29, ASQ: 0
[ 56.843149] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 56.843757] BUG: unable to handle kernel paging request at f0b6a334
[ 56.844371] IP: register_cdrom+0x85/0x185 [cdrom]
[ 56.844971] *pde = 2f564067 *pte = 2c343161
[ 56.845692] Oops: 0003 [#1] SMP
[ 56.846564] Modules linked in: pcd(+) cdrom epat paride i2c_dev nouveau sg parport_pc 8139cp wmi hwmon ttm parport intel_agp
[ 56.847467] CPU: 0 PID: 1790 Comm: modprobe Not tainted 4.16.0-rc4+ #217
[ 56.848340] Hardware name: /848P-ICH5, BIOS 6.00 PG 02/03/2005
[ 56.849275] EIP: register_cdrom+0x85/0x185 [cdrom]
[ 56.850190] EFLAGS: 00010246 CPU: 0
[ 56.851104] EAX: f0b61155 EBX: f0b6a300 ECX: ef992164 EDX: ef98c9cc
[ 56.852029] ESI: f0b6bb80 EDI: ec351dfc EBP: ec351de4 ESP: ec351dd8
[ 56.852961] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 56.853895] CR0: 80050033 CR2: f0b6a334 CR3: 2c22d000 CR4: 00000690
[ 56.854832] Call Trace:
[ 56.855764] pcd_init+0x37e/0x1000 [pcd]
[ 56.856692] ? _raw_spin_trylock_bh+0x1d/0x3a
[ 56.857615] ? __switch_to_asm+0x26/0x40
[ 56.858541] ? __switch_to_asm+0x1a/0x40
[ 56.859442] ? __switch_to_asm+0x26/0x40
[ 56.860334] ? 0xf0b6e000
[ 56.861172] do_one_initcall+0x84/0x111
[ 56.862074] ? __schedule+0x38f/0x3dd
[ 56.862990] ? virt_to_head_page+0x19/0x1b
[ 56.863883] ? virt_to_head_page+0x19/0x1b
[ 56.864768] ? _cond_resched+0x1e/0x22
[ 56.865626] ? kmem_cache_alloc+0x86/0xa9
[ 56.866486] ? do_init_module+0x17/0x1ad
[ 56.867333] do_init_module+0x46/0x1ad
[ 56.868164] load_module+0x1708/0x1b23
[ 56.868997] ? kernel_read_file+0x116/0x143
[ 56.869820] SyS_finit_module+0x62/0x67
[ 56.870648] do_int80_syscall_32+0x50/0x62
[ 56.871477] entry_INT80_32+0x2a/0x2a
[ 56.872308] EIP: 0xb7fd6a02
[ 56.873134] EFLAGS: 00000292 CPU: 0
[ 56.873951] EAX: ffffffda EBX: 00000004 ECX: 007aff18 EDX: 00000000
[ 56.874749] ESI: 007b0278 EDI: 007aff90 EBP: 00000000 ESP: bffbbac8
[ 56.875590] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[ 56.876431] Code: 0c 00 75 0d 83 7b 10 00 75 07 c7 43 34 6f ff ff ff 83 7b 14 00 75 04 83 63 34 fc 83 7b 18 00 75 04 83 63 34 fb 83 7b 1c 00 75 04 <83> 63 34 f7 83 7b 24 00 75 04 83 63 34 df 83 7b 28 00 75 04 83
[ 56.878264] EIP: register_cdrom+0x85/0x185 [cdrom] SS:ESP: 0068:ec351dd8
[ 56.879220] CR2: 00000000f0b6a334
[ 56.880193] ---[ end trace 596e4157e238f0e3 ]---
--
Ondrej Zary
On Thursday 15 March 2018 23:04:40 Ondrej Zary wrote:
> On Thursday 15 March 2018 09:04:55 Christoph Hellwig wrote:
> > On Thu, Mar 15, 2018 at 09:04:24AM +0100, Ondrej Zary wrote:
> > > On Thursday 15 March 2018, Christoph Hellwig wrote:
> > > > The paride drivers are some of the cruftiest, grottiest block drivers
> > > > (besides drivers/ide and floppy.c) and have seen one single targeted
> > > > commit since the dawn of git in 2007. Drop them to make block layer
> > > > improvements easier.
> > >
> > > This will make my parallel port ZIP and LS-120 drives useless :(
> >
> > So you are still using them and the code actually works properly?
>
> I don't use them daily, only occasionally. Last time they worked.
> Checked now and it seems to work:
Forgot that my ZIP drive uses the PPA driver, which seems to work too:
# modprobe ppa
[ 816.690602] ppa: Version 2.07 (for Linux 2.4.x)
[ 816.762167] ppa: Found device at ID 6, Attempting to use EPP 32 bit
[ 816.763037] ppa: Communication established with ID 6 using EPP 32 bit
[ 816.807658] scsi host4: Iomega VPI0 (ppa) interface
[ 816.926616] scsi 4:0:6:0: Direct-Access IOMEGA ZIP 100 D.08 PQ: 0 ANSI: 2
[ 816.987969] sd 4:0:6:0: Attached scsi generic sg1 type 0
[ 817.054564] sd 4:0:6:0: Power-on or device reset occurred
[ 817.158623] sd 4:0:6:0: [sdb] Attached SCSI removable disk
[ 817.742723] sd 4:0:6:0: [sdb] tag#0 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[ 817.745168] sd 4:0:6:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[ 839.268575] sd 4:0:6:0: [sdb] Spinning up disk...
[ 840.320383] ..ready
[ 841.596371] sd 4:0:6:0: [sdb] 196608 512-byte logical blocks: (101 MB/96.0 MiB)
[ 842.088415] sdb: sdb4
--
Ondrej Zary