Date: Sun, 22 May 2016 12:45:12 +0300 From: Andrey Chernov <ache@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: current@freebsd.org Subject: Re: Recent -current cpucontrol panic: [cpuctl, 129]: cannot bind to target cpu 1 Message-ID: <e244fac8-3d9c-dc24-13de-3616989e8ccb@freebsd.org> In-Reply-To: <20160522093245.GI89104@kib.kiev.ua> References: <065e93bb-5269-b726-52cc-2f961656e5f9@freebsd.org> <20160522071407.GE89104@kib.kiev.ua> <9e7fec3a-869a-a0f8-999c-53b1b24d746d@freebsd.org> <20160522093245.GI89104@kib.kiev.ua>
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On 22.05.2016 12:32, Konstantin Belousov wrote: > 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. > No, just textdump.
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