On Sat, 2010-09-25 at 08:36 +0800, Gao wrote: > Hi All , > > After I load xeno_psos.ko by "/sbin/insmod xeno_psos.ko", and run my > test program, whic create a queue by "q_vcreate", but not delete it in > the test program. After I finish running my test program. Then I > unload the xeno_psos and then reload it again, it will crash as > follow: > > > /sbin/rmmod xeno_psos > Xenomai: stopping pSOS+ services. > > # /sbin/insmod xeno_psos.ko > Xenomai: starting pSOS+ services. > proc_dir_entry 'registry/psos' already registered > ------------[ cut here ]------------ > Badness at fs/proc/generic.c:590 > NIP: c00f7988 LR: c00f7988 CTR: c0027f20 > REGS: c182bda0 TRAP: 0700 Not tainted (2.6.33.4) > MSR: 00029032 <EE,ME,CE,IR,DR> CR: 22000442 XER: 00000000 > TASK = c181cc60[4] 'events/0' THREAD: c182a000 > GPR00: c00f7988 c182be50 c181cc60 00000038 c03bd180 c0394ae0 00000000 > 3eced82e > GPR08: 00000100 00000000 00000003 c182a000 42000424 100af23c 01ffe800 > 01ff50a0 > GPR16: 01fd05d8 01ff507c c0348e18 c0320aa8 c182bea8 c03bd77c c0394fd8 > c313e7c4 > GPR24: c313e950 c0394fd8 00000000 c1881700 c1a35a80 c1a35600 c1a35ae0 > c1a35600 > NIP [c00f7988] proc_register+0xe4/0x1d0 > LR [c00f7988] proc_register+0xe4/0x1d0 > Call Trace: > [c182be50] [c00f7988] proc_register+0xe4/0x1d0 (unreliable) > [c182be80] [c00f7b90] create_proc_entry+0x60/0xac > [c182bea0] [c0056d10] registry_proc_callback+0x318/0x394 > [c182bf60] [c002fe6c] worker_thread+0x12c/0x1c4 > [c182bfc0] [c0033dcc] kthread+0x78/0x7c > [c182bff0] [c000f6c0] kernel_thread+0x4c/0x68 > Instruction dump: > 2f9f0000 419e0034 807f0008 7fc4f378 4bf1ab6d 2f830000 409effe4 > 809b0008 > 3c60c032 7fc5f378 38636ce4 4bf264a5 <0fe00000> 83bb0038 939b0038 > 93bc0030 > > > > > The problem is caused by the reason that unloading xeno_psos.ko > cannot clean up the the queues show as follow: > > # pwd > /proc/xenomai/registry/psos/queues > # ls > cmq q2r > > > So can the problem be fixed? Thanks.
Yes, likely. But this is not on the hot path right now, so the issue is queued. Thanks for reporting. > > > Best regards, > Wenyi Gao > > > _______________________________________________ > Xenomai-help mailing list > [email protected] > https://mail.gna.org/listinfo/xenomai-help -- Philippe. _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
