Date: Sat, 17 Aug 2013 16:03:40 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Julio Merino <julio@meroh.net> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: kern/181100: [bwi] Turning up bwi0 crashes / deadlocks the kernel Message-ID: <CAJ-Vmom%2Bnhmj5Q%2BzFz_sOng%2Bd-e_66O04N-Cm-AHiw8BsEbpNQ@mail.gmail.com> In-Reply-To: <CADyfeQVDdqhxT4viRY2OA2Wu%2B6mzqHoSbzvzzQmghdNh8BZELA@mail.gmail.com> References: <201308111650.r7BGo1Qt048071@freefall.freebsd.org> <CAJ-Vmo=u7VZjs0Nd0dGkaHNboNwUU=5N%2B25CT=0RfcT7kG0oVg@mail.gmail.com> <CADyfeQWv6t8TuKZqTvtVUiQMNDcAsDZjsDzG_ooRxLgTSUuvcQ@mail.gmail.com> <CAJ-Vmonc0NiZXnvCLSsceFgwQ-f3qiRBG2yxgk5%2BL8BhSQD5bQ@mail.gmail.com> <CADyfeQXsa1NoCthcQqobvwCuuBzP%2BXVp87dBU=QN1FCEevz0kg@mail.gmail.com> <CAJ-Vmo=Zp4s_vkDSUNkO3ekC2A9NdGqDoA2MxCgvbXFUhQDkdw@mail.gmail.com> <52099CF4.7050101@meroh.net> <CAJ-VmonqB0TfY1wxC4zcr4-03sW4J_uTfgnAeAeTJmcRvnmvEA@mail.gmail.com> <CAJ-Vmon2__hA41n2Cri26Sv%2BFxUC7zh5iuM28TM4T9JMpaQN-Q@mail.gmail.com> <CADyfeQVAq5yTssxMF_RFxrqP%2B_D7Vds0k5jQGm5e5FzTJCPA=w@mail.gmail.com> <CAJ-Vmo=-P0g=Hx4Kksh8T-GiaVdphdC4=NGmWXW_EmWVRLou-g@mail.gmail.com> <CADyfeQVDdqhxT4viRY2OA2Wu%2B6mzqHoSbzvzzQmghdNh8BZELA@mail.gmail.com>
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yes, print out ring_idx -adrian On 17 August 2013 15:56, Julio Merino <julio@meroh.net> wrote: > On Wed, Aug 14, 2013 at 1:13 PM, Adrian Chadd <adrian@freebsd.org> wrote: > > Hi, > > > > Can you please work with Justin to figure out the IP of that panic inside > > _bwi_txeof(), and then map it back to a line number? > > > > I've no idea where the panic is actually triggering. > > There is only one KASSERT within _bwi_txeof() mentioning "ring_idx", > and that's the line triggering the panic. > > (And yes, I've verified this... not with a core dump, because I cannot > get one, but by putting printfs() around the various KASSERTS that > yield this message.) > > Does that help? > > -- > Julio Merino / @jmmv >
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