Still present in kernel-2.6.34.1. The dvb card itself has been installed to another computer, different os (archlinux instead of gentoo), warning is still there. [dmesg]... b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded successfully flexcop-pci: will use the HW PID filter. flexcop-pci: card revision 2 b2c2_flexcop_pci 0000:00:0b.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19 ------------[ cut here ]------------ WARNING: at fs/proc/generic.c:317 __xlate_proc_name+0xb3/0xc0() Hardware name: System Name name 'Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver' Modules linked in: b2c2_flexcop_pci(+) i2c_viapro snd(+) soundcore b2c2_flexcop dvb_core cx24123 cx24113 via_ircc uhci_hcd s5h1420 button thermal processor irda crc_ccitt ehci_hcd usbcore via_agp firewire_ohci firewire_core crc_itu_t shpchp pci_hotplug evdev psmouse via_rhine mii emu10k1_gp gameport sg serio_raw pcspkr rtc_cmos rtc_core rtc_lib ext4 mbcache jbd2 crc16 sr_mod cdrom sd_mod pata_via ata_generic pata_acpi floppy libata scsi_mod radeon ttm drm_kms_helper drm agpgart i2c_algo_bit i2c_core Pid: 1187, comm: modprobe Not tainted 2.6.34-ARCH #1 Call Trace: [<c104317d>] warn_slowpath_common+0x6d/0xa0 [<c113b553>] ? __xlate_proc_name+0xb3/0xc0 [<c113b553>] ? __xlate_proc_name+0xb3/0xc0 [<c10431f6>] warn_slowpath_fmt+0x26/0x30 [<c113b553>] __xlate_proc_name+0xb3/0xc0 [<c113b5b9>] __proc_create+0x59/0x100 [<c113bed3>] proc_mkdir_mode+0x23/0x50 [<c113bf0f>] proc_mkdir+0xf/0x20 [<c10986ab>] register_handler_proc+0xeb/0x110 [<c1096a3f>] __setup_irq+0x19f/0x2f0 [<c10e950c>] ? kmem_cache_alloc_notrace+0x7c/0xb0 [<f8ce7140>] ? flexcop_pci_isr+0x0/0x140 [b2c2_flexcop_pci] [<c1096c6e>] request_threaded_irq+0xde/0x1c0 [<c1027516>] ? ioremap_nocache+0x16/0x20 [<f8ce73e0>] flexcop_pci_probe+0x160/0x2b0 [b2c2_flexcop_pci] [<c119ad56>] pci_device_probe+0x56/0x80 [<c1215a27>] driver_probe_device+0x77/0x180 [<c1215ba9>] __driver_attach+0x79/0x80 [<c1214c83>] bus_for_each_dev+0x43/0x70 [<c1215779>] driver_attach+0x19/0x20 [<c1215b30>] ? __driver_attach+0x0/0x80 [<c121533d>] bus_add_driver+0xbd/0x2d0 [<c119aca0>] ? pci_device_remove+0x0/0x40 [<c1215da5>] driver_register+0x65/0x110 [<c119af80>] __pci_register_driver+0x40/0xb0 [<f8cf4017>] flexcop_pci_module_init+0x17/0x19 [b2c2_flexcop_pci] [<c100120d>] do_one_initcall+0x2d/0x190 [<f8cf4000>] ? flexcop_pci_module_init+0x0/0x19 [b2c2_flexcop_pci] [<c1078fed>] sys_init_module+0xad/0x210 [<c10d8ec9>] ? sys_mmap_pgoff+0x89/0x110 [<c100379f>] sysenter_do_call+0x12/0x28 ---[ end trace d65de7b15fba8e1f ]--- DVB: registering new adapter (FlexCop Digital TV device) b2c2-flexcop: MAC address = 00:d0:d7:0f:30:58 CX24123: cx24123_i2c_readreg: reg=0x0 (error=-121) CX24123: wrong demod revision: 87 usb 2-2: new low speed USB device using uhci_hcd and address 3 b2c2-flexcop: found 'ST STV0299 DVB-S' . DVB: registering adapter 0 frontend 0 (ST STV0299 DVB-S)... b2c2-flexcop: initialization of 'Sky2PC/SkyStar 2 DVB-S rev 2.6' at the 'PCI' bus controlled by a 'FlexCopIIb' complete ... [dmesg] Am Dienstag, 27. April 2010 schrieb Andrew Morton: > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Wed, 21 Apr 2010 12:21:18 GMT > > bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=15826 > > > > Summary: WARNING: at fs/proc/generic.c:317 > > > > __xlate_proc_name+0xbd/0xe0() > > > > Product: v4l-dvb > > Version: unspecified > > > > Kernel Version: 2.6.34-rc5 > > > > Platform: All > > > > OS/Version: Linux > > > > Tree: Mainline > > > > Status: NEW > > > > Severity: normal > > Priority: P1 > > > > Component: dvb-core > > > > AssignedTo: v4l-dvb_dvb-core@xxxxxxxxxxxxxxxxxxxx > > ReportedBy: bugzilla.kernel.org@xxxxxxxxxxx > > Regression: No > > > > Created an attachment (id=26077) > > > > --> (https://bugzilla.kernel.org/attachment.cgi?id=26077) > > > > full dmesg > > > > I keep getting this warning on boot. It seems to > > happen when the dvb driver for my "technisat skystar2" > > card is loaded (correct me if i'm wrong). > > > > If you need more infos or debug stuff inside > > my kernel config, please tell me what i need to include. > > > > Thank you in advance. > > > > ---------------------------------------- > > ... > > [ 0.739420] b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver > > chip loaded successfully > > [ 0.739435] flexcop-pci: will use the HW PID filter. > > [ 0.739438] flexcop-pci: card revision 2 > > [ 0.739442] b2c2_flexcop_pci 0000:04:01.0: PCI INT A -> GSI 17 (level, > > low) -> IRQ 17 > > [ 0.739459] ------------[ cut here ]------------ > > [ 0.739463] WARNING: at fs/proc/generic.c:317 > > __xlate_proc_name+0xbd/0xe0() > > Alexey, this sucks. A developer goes to the warning site: > > static int __xlate_proc_name(const char *name, struct proc_dir_entry **ret, > const char **residual) > { > const char *cp = name, *next; > struct proc_dir_entry *de; > int len; > > de = *ret; > if (!de) > de = &proc_root; > > while (1) { > next = strchr(cp, '/'); > if (!next) > break; > > len = next - cp; > for (de = de->subdir; de ; de = de->next) { > if (proc_match(len, cp, de)) > break; > } > if (!de) { > WARN(1, "name '%s'\n", name); > return -ENOENT; > } > cp += len + 1; > } > *residual = cp; > *ret = de; > return 0; > } > > and there's no hint whatsoever to tell him what the warning means, nor > how to fix it. > > Please send a patch adding a nice comment to __xlate_proc_name(). Then > perhaps the DVB guys have a chance of fixing this bug. > > Thanks. > > > [ 0.739465] Hardware name: P5K > > [ 0.739466] name 'Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI > > Driver' [ 0.739467] Modules linked in: > > [ 0.739470] Pid: 1, comm: swapper Not tainted > > 2.6.34-rc5-v2k11+-dbg-dirty #118 > > [ 0.739471] Call Trace: > > [ 0.739476] [<ffffffff8103e386>] warn_slowpath_common+0x76/0xb0 > > [ 0.739478] [<ffffffff8103e41c>] warn_slowpath_fmt+0x3c/0x40 > > [ 0.739481] [<ffffffff8110b4ad>] __xlate_proc_name+0xbd/0xe0 > > [ 0.739483] [<ffffffff8110b540>] __proc_create+0x70/0x140 > > [ 0.739486] [<ffffffff8110bf49>] proc_mkdir_mode+0x29/0x60 > > [ 0.739488] [<ffffffff8110bf91>] proc_mkdir+0x11/0x20 > > [ 0.739491] [<ffffffff8107b39b>] register_handler_proc+0x11b/0x140 > > [ 0.739494] [<ffffffff810791f9>] __setup_irq+0x1f9/0x390 > > [ 0.739497] [<ffffffff813ca790>] ? flexcop_pci_isr+0x0/0x3e0 > > [ 0.739500] [<ffffffff810794bc>] request_threaded_irq+0x12c/0x210 > > [ 0.739502] [<ffffffff813cad20>] flexcop_pci_probe+0x1b0/0x350 > > [ 0.739505] [<ffffffff811e4ee5>] pci_device_probe+0x75/0xa0 > > [ 0.739509] [<ffffffff8130522a>] ? driver_sysfs_add+0x5a/0x90 > > [ 0.739511] [<ffffffff813054f3>] driver_probe_device+0x93/0x1a0 > > [ 0.739514] [<ffffffff8130569b>] __driver_attach+0x9b/0xa0 > > [ 0.739517] [<ffffffff81305600>] ? __driver_attach+0x0/0xa0 > > [ 0.739519] [<ffffffff8130460e>] bus_for_each_dev+0x5e/0x90 > > [ 0.739522] [<ffffffff813051c9>] driver_attach+0x19/0x20 > > [ 0.739524] [<ffffffff81304d62>] bus_add_driver+0xb2/0x260 > > [ 0.739527] [<ffffffff8130590f>] driver_register+0x6f/0x130 > > [ 0.739529] [<ffffffff811e5171>] __pci_register_driver+0x51/0xd0 > > [ 0.739533] [<ffffffff818f49a9>] ? flexcop_pci_module_init+0x0/0x1b > > [ 0.739535] [<ffffffff818f49c2>] flexcop_pci_module_init+0x19/0x1b > > [ 0.739538] [<ffffffff810002d9>] do_one_initcall+0x39/0x1a0 > > [ 0.739540] [<ffffffff818d1cc4>] kernel_init+0x14d/0x1d7 > > [ 0.739543] [<ffffffff81003194>] kernel_thread_helper+0x4/0x10 > > [ 0.739546] [<ffffffff818d1b77>] ? kernel_init+0x0/0x1d7 > > [ 0.739548] [<ffffffff81003190>] ? kernel_thread_helper+0x0/0x10 > > [ 0.739553] ---[ end trace 4e6b2faee55cb1bf ]--- > > [ 0.744389] DVB: registering new adapter (FlexCop Digital TV device) > > [ 0.746102] b2c2-flexcop: MAC address = 00:d0:d7:0f:30:58 > > [ 0.946350] b2c2-flexcop: found 'ST STV0299 DVB-S' . > > [ 0.946353] DVB: registering adapter 0 frontend 0 (ST STV0299 > > DVB-S)... [ 0.946422] b2c2-flexcop: initialization of 'Sky2PC/SkyStar > > 2 DVB-S rev 2.6' at the 'PCI' bus controlled by a 'FlexCopIIb' complete -- http://boris64.net 20xx ;)
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