Date: Sat, 17 Aug 2013 18:56:54 -0400 From: Julio Merino <julio@meroh.net> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-wireless@freebsd.org Subject: Re: kern/181100: [bwi] Turning up bwi0 crashes / deadlocks the kernel Message-ID: <CADyfeQVDdqhxT4viRY2OA2Wu%2B6mzqHoSbzvzzQmghdNh8BZELA@mail.gmail.com> In-Reply-To: <CAJ-Vmo=-P0g=Hx4Kksh8T-GiaVdphdC4=NGmWXW_EmWVRLou-g@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>
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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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