Date: Tue, 8 Jun 2021 13:34:21 +0200 From: Gary Jennejohn <gljennjohn@gmail.com> To: Hans Petter Selasky <hps@selasky.org> Cc: Mateusz Guzik <mjguzik@gmail.com>, Mark Johnston <markj@freebsd.org>, freebsd-current@freebsd.org Subject: Re: kernel panic while copying files Message-ID: <20210608113421.5da38371@ernst.home> In-Reply-To: <7f47fcca-eafe-59c0-40ff-de3426f3b754@selasky.org> References: <20210607090109.08ecb130@ernst.home> <YL6Hc6XmEIIx76gt@nuc> <20210608084646.6a7e1bc7@ernst.home> <CAGudoHF72EFG6UNZFuX9LjRbWLBefFYagQtgz8j1%2BP4fi8ZOnw@mail.gmail.com> <7f47fcca-eafe-59c0-40ff-de3426f3b754@selasky.org>
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On Tue, 8 Jun 2021 11:20:37 +0200 Hans Petter Selasky <hps@selasky.org> wrote: > On 6/8/21 11:04 AM, Mateusz Guzik wrote: > > Apparently caused by recent changes to CAM. > > > > Let me know if you want more information. > > Maybe you can print the *ccb being freed and figure out which device > it belongs to. > I'm now running a kernel without INVARIANTS, so I can check: Jun 8 13:23:52 ernst kernel: ugen2.4: <ASMedia asm1153e> at usbus2 Jun 8 13:23:52 ernst kernel: umass0 on uhub5 Jun 8 13:23:52 ernst kernel: umass0: <ASMedia asm1153e, class 0/0, rev 3.00/1.00, addr 3> on usbus2 Jun 8 13:23:52 ernst kernel: umass0: SCSI over Bulk-Only; quirks = 0xc101 Jun 8 13:23:52 ernst kernel: umass0:6:0: Attached to scbus6 Jun 8 13:24:37 ernst kernel: da0 at umass-sim0 bus 0 scbus6 target 0 lun 0 Jun 8 13:24:37 ernst kernel: da0: <ASMedia asm1153e 0> Fixed Direct Access SPC-4 SCSI device Jun 8 13:24:37 ernst kernel: da0: Serial Number 000000000001 Jun 8 13:24:37 ernst kernel: da0: 400.000MB/s transfers Jun 8 13:24:37 ernst kernel: da0: 7630885MB (15628053168 512 byte sectors) Jun 8 13:24:37 ernst kernel: da0: quirks=0x2<NO_6_BYTE> The only USB device which I turned on. Fields in the ccb like periph_name, unit_number and dev_name are filled with zeroes. The ccb is enormous and really hard to parse. -- Gary Jennejohn
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