From: Avi Kivity <avi@redhat.com>
To: Nikola Ciprich <extmaillist@linuxbox.cz>
Cc: KVM list <kvm@vger.kernel.org>,
nikola.ciprich@linuxbox.cz, krucina@linuxbox.cz
Subject: Re: applications running in KVM crashing?
Date: Wed, 14 Jul 2010 17:00:39 +0300 [thread overview]
Message-ID: <4C3DC307.9050903@redhat.com> (raw)
In-Reply-To: <20100714134132.GC10153@develbox.linuxbox.cz>
On 07/14/2010 04:41 PM, Nikola Ciprich wrote:
>> disassembly around the failure please.
>>
> hmm, is this what You want?
>
> (gdb) disas 0x00007f6391472273
> 0x00007f6391472273<pthread_rwlock_rdlock+99>: lock decl (%rdi)
>
By coincidence, a patch was sent yesterday fixing lock decl. Can you
try it out?
commit cb7eaecb3389c7fa2490ea1bee8f10cfa5df30d4
Author: Gleb Natapov <gleb@redhat.com>
Date: Tue Jul 13 16:40:23 2010 +0300
KVM: x86: emulator: inc/dec can have lock prefix
Mark inc (0xfe/0 0xff/0) and dec (0xfe/1 0xff/1) as lock prefix
capable.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Although userspace code shouldn't invoke the emulator in most situations.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2010-07-14 14:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-09 4:14 applications running in KVM crashing? Nikola Ciprich
2010-06-09 12:00 ` Avi Kivity
2010-06-09 12:18 ` Nikola Ciprich
2010-07-14 9:45 ` Nikola Ciprich
2010-07-14 12:51 ` Avi Kivity
2010-07-14 13:41 ` Nikola Ciprich
2010-07-14 14:00 ` Avi Kivity [this message]
2010-07-14 14:32 ` Nikola Ciprich
2010-07-14 14:01 ` Gleb Natapov
2010-07-14 14:16 ` Nikola Ciprich
2010-07-14 14:26 ` Gleb Natapov
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