Date: Tue, 8 Dec 2015 14:59:06 -0500 From: Ed Maste <emaste@freebsd.org> To: Zbigniew Bodek <zbb@semihalf.com> Cc: Ruslan Bukin <br@freebsd.org>, Andrew Turner <andrew@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Various panics while using HWPMC on ARM64 Message-ID: <CAPyFy2APpyUcFTjaZS9j4ZbRo-t=ta6ws-btGLZOqDK1ySPWgw@mail.gmail.com> In-Reply-To: <CAG7dG%2BxBF_9bmQkwNsO77b2eOZ1jfOFafey2_Yw=wuJ45TwyMQ@mail.gmail.com> References: <CAG7dG%2BxBF_9bmQkwNsO77b2eOZ1jfOFafey2_Yw=wuJ45TwyMQ@mail.gmail.com>
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On 8 December 2015 at 14:34, Zbigniew Bodek <zbb@semihalf.com> wrote: > Hello, > > I encountered some problems with FreeBSD on ARM64 while using hwpmc. > Some of the errors that I found are listed below: > > * panic: Unknown kernel exception 0 esr_el1 2000000 > * panic: data abort in critical section or under mutex > * panic: VFP exception in the kernel > * panic: Unknown kernel exception 21 esr_el1 86000006 Can you add these notes to PR 204686? I think there are SMP issues in arm64 hwpmc that need to be resolved.
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