Date: Sun, 19 Feb 2012 23:56:58 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Adam Twardowski <adam.twardowski@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: [urtw] Random wireless crash / kernel panic Message-ID: <CAJ-Vmondt98a1gtmVL0kOrJYjTzq0psrEdN4bA=ZbPWHeMSv2g@mail.gmail.com> In-Reply-To: <CAEvxfZdTxkN-BJnCa1kNYba0k1jA54aDinQ6d_jdYRUqhLATXQ@mail.gmail.com> References: <CAEvxfZdTxkN-BJnCa1kNYba0k1jA54aDinQ6d_jdYRUqhLATXQ@mail.gmail.com>
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Hi,
Do you still have the kernel?
On 19 February 2012 18:23, Adam Twardowski <adam.twardowski@gmail.com> wrote:
> Hello, I submitted a bug report the other day regarding a kernel panic
> related to the urtw driver. If anyone needs any additional
> infromation, please let me know.
It looks like there's no node associated with that particular TX.
Change:
if (m->m_flags & M_TXCB) {
to
if ((m->m_flags & M_TXCB) && (data->ni != NULL)) {
.. that may fix the crash but it doesn't explain how an mbuf marked
M_TXCB has no node..
Adrian
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