Am 20.3.2010 15:20, schrieb Hans Verkuil: > Hartmut, is the problem with unloading the module something that my patch > caused? Or was that there as well before changeset 14351:2eda2bcc8d6f? > Are there any kernel messages indicating why it won't unload? Changset 14351:2eda2bcc8d6f causes a kernel oops during unload of the module for my dvb cards. The call trace points to dvb_ttpci. I assumed, that the FF card is affected only. It may be possible, that budget-av does crash also, if it is unload as second. Regards, Hartmut Mar 3 11:42:33 vdr kernel: [ 3291.915576] saa7146: unregister extension 'budget_av'. Mar 3 11:42:33 vdr kernel: [ 3291.916426] budget_av 0000:04:07.0: PCI INT A disabled Mar 3 11:42:33 vdr kernel: [ 3291.918565] saa7146: unregister extension 'dvb'. Mar 3 11:42:33 vdr kernel: [ 3291.918750] BUG: unable to handle kernel NULL pointer dereference at (null) Mar 3 11:42:33 vdr kernel: [ 3291.918966] IP: [<ffffffffa0286aac>] v4l2_device_unregister+0x1c/0x60 [videodev] Mar 3 11:42:33 vdr kernel: [ 3291.919013] PGD 3db10067 PUD 37a3d067 PMD 0 Mar 3 11:42:33 vdr kernel: [ 3291.919013] Oops: 0000 [#1] PREEMPT SMP Mar 3 11:42:33 vdr kernel: [ 3291.919013] last sysfs file: /sys/devices/platform/w83627ehf.2576/cpu0_vid Mar 3 11:42:33 vdr kernel: [ 3291.919013] CPU 0 Mar 3 11:42:33 vdr kernel: [ 3291.919013] Pid: 15305, comm: rmmod Not tainted 2.6.33-64-suse-11.0 #4 MS-7207PV/MS-7207PV Mar 3 11:42:33 vdr kernel: [ 3291.919013] RIP: 0010:[<ffffffffa0286aac>] [<ffffffffa0286aac>] v4l2_device_unregister+0x1c/0x60 [videodev] Mar 3 11:42:33 vdr kernel: [ 3291.919013] RSP: 0018:ffff88003da55cc8 EFLAGS: 00010203 Mar 3 11:42:33 vdr kernel: [ 3291.919013] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88003d64d3e0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 Mar 3 11:42:34 vdr kernel: [ 3291.919013] RBP: ffff880037fd7018 R08: 0000000080808081 R09: 0000000000000000 Mar 3 11:42:34 vdr kernel: [ 3291.919013] R10: 0000000000000000 R11: ffffffffa02812a0 R12: ffff880037fd7020 Mar 3 11:42:34 vdr kernel: [ 3291.919013] R13: 0000000000000000 R14: 0000000000000001 R15: ffff88003fb98888 Mar 3 11:42:34 vdr kernel: [ 3291.919013] FS: 00007f2def23b6f0(0000) GS:ffff880001800000(0000) knlGS:0000000000000000 Mar 3 11:42:34 vdr kernel: [ 3291.919013] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 3 11:42:34 vdr kernel: [ 3291.919013] CR2: 0000000000000000 CR3: 0000000037abd000 CR4: 00000000000006f0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 3 11:42:34 vdr kernel: [ 3291.919013] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Mar 3 11:42:34 vdr kernel: [ 3291.919013] Process rmmod (pid: 15305, threadinfo ffff88003da54000, task ffff880009830080) Mar 3 11:42:34 vdr kernel: [ 3291.919013] Stack: Mar 3 11:42:34 vdr kernel: [ 3291.919013] ffff88003edc0108 ffff880037fd7000 ffff88003db47000 ffffffffa0396ca5 Mar 3 11:42:34 vdr kernel: [ 3291.919013] <0> ffffffffa03df158 ffff88003edc0108 ffff880037fd7118 ffff880037fd7000 Mar 3 11:42:34 vdr kernel: [ 3291.919013] <0> ffffffffa03df158 0000000000000001 ffff88003fb98888 ffffffffa03cb2c5 Mar 3 11:42:34 vdr kernel: [ 3291.919013] Call Trace: Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa0396ca5>] ? saa7146_vv_release+0x45/0x140 [saa7146_vv] Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa03cb2c5>] ? av7110_exit_v4l+0x45/0x60 [dvb_ttpci] Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa03d9748>] ? av7110_detach+0x138/0x2a0 [dvb_ttpci] Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa02dd322>] ? saa7146_remove_one+0xb2/0x230 [saa7146] Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff811dd37f>] ? pci_device_remove+0x2f/0x60 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81270c88>] ? __device_release_driver+0x78/0xf0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81270db0>] ? driver_detach+0xb0/0xc0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff8126fca4>] ? bus_remove_driver+0x84/0xe0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff811dd69f>] ? pci_unregister_driver+0x3f/0xc0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa02dd1a7>] ? saa7146_unregister_extension+0x27/0x60 [saa7146] Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81084db6>] ? sys_delete_module+0x1f6/0x2d0 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81344255>] ? _raw_spin_unlock_irqrestore+0x15/0x40 Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81002e6b>] ? system_call_fastpath+0x16/0x1b Mar 3 11:42:34 vdr kernel: [ 3291.919013] Code: fe e0 48 c7 03 00 00 00 00 5b c3 0f 1f 40 00 41 54 48 85 ff 55 48 89 fd 53 74 4a e8 cf ff ff ff 48 8b 5d 08 4c 8d 65 08 4c 39 e3 < Mar 3 11:42:34 vdr kernel: [ 3291.919013] RIP [<ffffffffa0286aac>] v4l2_device_unregister+0x1c/0x60 [videodev] Mar 3 11:42:34 vdr kernel: [ 3291.919013] RSP <ffff88003da55cc8> Mar 3 11:42:34 vdr kernel: [ 3291.919013] CR2: 0000000000000000 Mar 3 11:42:34 vdr kernel: [ 3291.934087] ---[ end trace 685f9ceb9b064f25 ]--- Mar 3 11:42:52 vdr logger: rcvdr: stop Mar 3 11:43:34 vdr shutdown[5610]: shutting down for system reboot -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
