Date: Sun, 22 May 2016 12:32:45 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Andrey Chernov <ache@freebsd.org> Cc: current@freebsd.org Subject: Re: Recent -current cpucontrol panic: [cpuctl, 129]: cannot bind to target cpu 1 Message-ID: <20160522093245.GI89104@kib.kiev.ua> In-Reply-To: <9e7fec3a-869a-a0f8-999c-53b1b24d746d@freebsd.org> References: <065e93bb-5269-b726-52cc-2f961656e5f9@freebsd.org> <20160522071407.GE89104@kib.kiev.ua> <9e7fec3a-869a-a0f8-999c-53b1b24d746d@freebsd.org>
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On Sun, May 22, 2016 at 12:19:32PM +0300, Andrey Chernov wrote: > On 22.05.2016 10:14, Konstantin Belousov wrote: > > On Sun, May 22, 2016 at 09:47:08AM +0300, Andrey Chernov wrote: > >> With microcode_update_enable="YES" in rc.conf: > >> > >> db:0:kdb.enter.panic> show pcpu > >> cpuid = 1 > >> dynamic pcpu = 0xfffffe02ac1fd300 > >> curthread = 0xfffff8000ae75a00: pid 736 "cpucontrol" > >> curpcb = 0xfffffe023754eb80 > >> fpcurthread = none > >> idlethread = 0xfffff800022b5000: tid 100003 "idle: cpu1" > >> curpmap = 0xfffff8000af02138 > >> tssp = 0xffffffff80c1cf78 > >> commontssp = 0xffffffff80c1cf78 > >> rsp0 = 0xfffffe023754eb80 > >> gs32p = 0xffffffff80c237d0 > >> ldt = 0xffffffff80c23810 > >> tss = 0xffffffff80c23800 > >> db:0:kdb.enter.panic> bt > >> Tracing pid 736 tid 100121 td 0xfffff8000ae75a00 > >> kdb_enter() at kdb_enter+0x3b/frame 0xfffffe023754e620 > >> vpanic() at vpanic+0x19f/frame 0xfffffe023754e6a0 > >> kassert_panic() at kassert_panic+0x126/frame 0xfffffe023754e710 > >> cpuctl_do_cpuid_count() at cpuctl_do_cpuid_count+0x85/frame > >> 0xfffffe023754e750 > >> cpuctl_ioctl() at cpuctl_ioctl+0x389/frame 0xfffffe023754e800 > >> devfs_ioctl_f() at devfs_ioctl_f+0x156/frame 0xfffffe023754e860 > >> kern_ioctl() at kern_ioctl+0x204/frame 0xfffffe023754e8c0 > >> sys_ioctl() at sys_ioctl+0x171/frame 0xfffffe023754e9a0 > >> amd64_syscall() at amd64_syscall+0x28e/frame 0xfffffe023754eab0 > >> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe023754eab0 > >> --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8009778ea, rsp = > >> 0x7fffffffe788, rbp = 0x7fffffffe7d0 --- > > > > Show verbose dmesg of your boot. > > Attached. Thanks. > > > What scheduler do you use ? > > ULE > > > In the fired KASSERT, add printout of td->td_oncpu and show the updated > > panic message. > > I add, but can't reproduce this bug again so far. > Do you have core file for the panic ? If yes, it would be at least interesting to see the output of 'p *td' in kgdb.
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