Messages in this thread | | | Subject | Re: WARNING: CPU: 1 PID: 813 at kernel/module.c:291 module_assert_mutex_or_preempt+0x49/0x90() | From | Laura Abbott <> | Date | Fri, 21 Aug 2015 06:53:36 -0700 |
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On 08/21/2015 03:21 AM, poma wrote: > On 10.08.2015 23:26, poma wrote: >> >> ------------[ cut here ]------------ >> WARNING: CPU: 1 PID: 813 at kernel/module.c:291 module_assert_mutex_or_preempt+0x49/0x90() >> Modules linked in: mxl5007t af9013 ... dvb_usb_af9015(+) ... dvb_usb_v2 dvb_core rc_core ... >> CPU: 1 PID: 813 Comm: systemd-udevd Not tainted 4.2.0-0.rc6.git0.1.fc24.x86_64+debug #1 >> ... >> Call Trace: >> [<ffffffff81868d8e>] dump_stack+0x4c/0x65 >> [<ffffffff810ab406>] warn_slowpath_common+0x86/0xc0 >> [<ffffffffa057d0b0>] ? af9013_read_ucblocks+0x20/0x20 [af9013] >> [<ffffffffa057d0b0>] ? af9013_read_ucblocks+0x20/0x20 [af9013] >> [<ffffffff810ab53a>] warn_slowpath_null+0x1a/0x20 >> [<ffffffff81150529>] module_assert_mutex_or_preempt+0x49/0x90 >> [<ffffffff81150822>] __module_address+0x32/0x150 >> [<ffffffffa057d0b0>] ? af9013_read_ucblocks+0x20/0x20 [af9013] >> [<ffffffffa057d0b0>] ? af9013_read_ucblocks+0x20/0x20 [af9013] >> [<ffffffff81150956>] __module_text_address+0x16/0x70 >> [<ffffffffa057d0b0>] ? af9013_read_ucblocks+0x20/0x20 [af9013] >> [<ffffffffa057d0b0>] ? af9013_read_ucblocks+0x20/0x20 [af9013] >> [<ffffffff81150f19>] symbol_put_addr+0x29/0x40 >> [<ffffffffa04b77ad>] dvb_frontend_detach+0x7d/0x90 [dvb_core] >> [<ffffffffa04cdfd5>] dvb_usbv2_probe+0xc85/0x11a0 [dvb_usb_v2] >> [<ffffffffa05607c4>] af9015_probe+0x84/0xf0 [dvb_usb_af9015] >> [<ffffffff8161c03b>] usb_probe_interface+0x1bb/0x2e0 >> [<ffffffff81579f26>] driver_probe_device+0x1f6/0x450 >> [<ffffffff8157a214>] __driver_attach+0x94/0xa0 >> [<ffffffff8157a180>] ? driver_probe_device+0x450/0x450 >> [<ffffffff815778f3>] bus_for_each_dev+0x73/0xc0 >> [<ffffffff815796fe>] driver_attach+0x1e/0x20 >> [<ffffffff8157922e>] bus_add_driver+0x1ee/0x280 >> [<ffffffff8157b0a0>] driver_register+0x60/0xe0 >> [<ffffffff8161a87d>] usb_register_driver+0xad/0x160 >> [<ffffffffa0567000>] ? 0xffffffffa0567000 >> [<ffffffffa056701e>] af9015_usb_driver_init+0x1e/0x1000 [dvb_usb_af9015] >> [<ffffffff81002123>] do_one_initcall+0xb3/0x200 >> [<ffffffff8124ac65>] ? kmem_cache_alloc_trace+0x355/0x380 >> [<ffffffff81867c37>] ? do_init_module+0x28/0x1e9 >> [<ffffffff81867c6f>] do_init_module+0x60/0x1e9 >> [<ffffffff81154167>] load_module+0x21f7/0x28d0 >> [<ffffffff8114f600>] ? m_show+0x1b0/0x1b0 >> [<ffffffff81026d79>] ? sched_clock+0x9/0x10 >> [<ffffffff810e6ddc>] ? local_clock+0x1c/0x20 >> [<ffffffff811549b8>] SyS_init_module+0x178/0x1c0 >> [<ffffffff8187282e>] entry_SYSCALL_64_fastpath+0x12/0x76 >> ---[ end trace 31a9dd90d4f559f5 ]--- >> >> >> Ref. >> https://bugzilla.redhat.com/show_bug.cgi?id=1252167 >> https://bugzilla.kernel.org/show_bug.cgi?id=102631 >> > > You guys are really something. > > First of all, as is evident here, I am the original reporter, not Laura Abbott <labbott@redhat.com>. > -All- your comments including the final patch on this issue, are just plain wrong.[1] > This patch only hides the actual problem with this particular device - the dual tuner combination driven by dvb_usb_af9015 & mxl5007t, broken by design since day one. > > Read the entire https://bugzilla.redhat.com/show_bug.cgi?id=1252167 > and stop this nonsense. > > NACK "module: Fix locking in symbol_put_addr()" > > [1] http://www.gossamer-threads.com/lists/linux/kernel/2241154 > >
Sorry, I've been delayed with conferences and have been avoiding e-mails and bugzilla. I missed sending out the Tested-by tag. You are welcome to drop the reported-by if you don't think it is appropriate.
Laura
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