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