Date: Sun, 30 Aug 2009 00:14:59 +0200 From: Andreas Tobler <andreast-list@fgznet.ch> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Boot panic -CURRENT #196643 Message-ID: <4A99A863.1070806@fgznet.ch> In-Reply-To: <20090829215549.GY1881@deviant.kiev.zoral.com.ua> References: <4A997442.1060200@fgznet.ch> <20090829183906.GS1881@deviant.kiev.zoral.com.ua> <4A9988ED.2040403@fgznet.ch> <20090829201614.GU1881@deviant.kiev.zoral.com.ua> <4A999344.5000703@fgznet.ch> <20090829205723.GW1881@deviant.kiev.zoral.com.ua> <4A99A172.90009@fgznet.ch> <20090829215549.GY1881@deviant.kiev.zoral.com.ua>
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Kostik Belousov wrote:
> On Sat, Aug 29, 2009 at 11:45:22PM +0200, Andreas Tobler wrote:
>> Kostik Belousov wrote:
>>
>>> Please, try this.
>>>
>>> diff --git a/sys/vm/vm_glue.c b/sys/vm/vm_glue.c
>>> index 234cde9..b0e8d3c 100644
>>> --- a/sys/vm/vm_glue.c
>>> +++ b/sys/vm/vm_glue.c
>>> @@ -447,6 +447,8 @@ vm_thread_dispose(struct thread *td)
>>> pages = td->td_kstack_pages;
>>> ksobj = td->td_kstack_obj;
>>> ks = td->td_kstack;
>>> + td->td_kstack = 0;
>>> + td->td_kstack_pages = 0;
>>> if (pages == KSTACK_PAGES && kstacks <= kstack_cache_size) {
>>> ks_ce = (struct kstack_cache_entry *)ks;
>>> ks_ce->ksobj = ksobj;
>>> @@ -457,8 +459,6 @@ vm_thread_dispose(struct thread *td)
>>> return;
>>> }
>>> vm_thread_stack_dispose(ksobj, ks, pages);
>>> - td->td_kstack = 0;
>>> - td->td_kstack_pages = 0;
>>> }
>>>
>>> static void
>> panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq) failed ... sched_ule.c:1878
>> cpuid = 1
>> KDB: enter: panic
>> [thread pid 0 tid 100073 ]
>> Stopped at kdb_enter+0x3a: movl $0,kdb_why
>>
>> As you see I managed to reboot my zfs root ;)
>
> Fair enough.
>
> I reverted the change for now, HEAD must be kept in the working state,
> esp. during the release.
>
> My apologies for the breakage, r196648 should return the world
> to less broken state.
Np. Thank you for helping here!
FreeBSD 9.0-CURRENT (TC) #3 r196648M: Sun Aug 30 00:02:14 CEST 2009
Boots again and the rev in the line above is back.
Regards,
Andreas
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