Re: panic on application core dump?

2015-02-22 Thread Konstantin Belousov
On Sun, Feb 22, 2015 at 09:34:29AM -0800, Sean Bruno wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Err. Is it easily reproducable in your setup ? The core file vnode is indeed unreferenced before notification is sent. Try this. diff --git a/sys/kern/kern_sig.c

Re: panic on application core dump?

2015-02-22 Thread Konstantin Belousov
On Sun, Feb 22, 2015 at 10:46:53AM -0800, Sean Bruno wrote: Hmm ... looks unrelated to signals (maybe). This looks like a common ZFS deadlock that is yet undiagnosed. I do not have a show alllocks command available in db . I will show each lock information below: Add witness. db show

Re: panic on application core dump?

2015-02-22 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Err. Is it easily reproducable in your setup ? The core file vnode is indeed unreferenced before notification is sent. Try this. diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 41da3dd..57f66b0 100644 Restarted my

Re: panic on application core dump?

2015-02-22 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 02/22/15 10:53, Konstantin Belousov wrote: On Sun, Feb 22, 2015 at 10:46:53AM -0800, Sean Bruno wrote: Hmm ... looks unrelated to signals (maybe). This looks like a common ZFS deadlock that is yet undiagnosed. I do not have a show alllocks

Re: panic on application core dump?

2015-02-22 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 02/22/15 10:04, Konstantin Belousov wrote: On Sun, Feb 22, 2015 at 09:34:29AM -0800, Sean Bruno wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Err. Is it easily reproducable in your setup ? The core file vnode is indeed

Re: panic on application core dump?

2015-02-22 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 02/22/15 10:54, Sean Bruno wrote: On 02/22/15 10:53, Konstantin Belousov wrote: On Sun, Feb 22, 2015 at 10:46:53AM -0800, Sean Bruno wrote: Hmm ... looks unrelated to signals (maybe). This looks like a common ZFS deadlock that is yet

Re: panic on application core dump?

2015-02-22 Thread Konstantin Belousov
On Sun, Feb 22, 2015 at 03:00:25PM -0800, Sean Bruno wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 02/22/15 10:54, Sean Bruno wrote: On 02/22/15 10:53, Konstantin Belousov wrote: On Sun, Feb 22, 2015 at 10:46:53AM -0800, Sean Bruno wrote: Hmm ... looks unrelated to signals

Re: panic on application core dump?

2015-02-21 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 02/21/15 13:17, Konstantin Belousov wrote: On Sat, Feb 21, 2015 at 12:27:22PM -0800, Sean Bruno wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Well, this is new. It looks like current panic'd when trying to dump a core from a

Re: panic on application core dump?

2015-02-21 Thread Konstantin Belousov
On Sat, Feb 21, 2015 at 12:27:22PM -0800, Sean Bruno wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Well, this is new. It looks like current panic'd when trying to dump a core from a qemu crash? I can leave this at the debugger for now as this is a machine doing mips package