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Date:      Wed, 9 Jan 2013 22:00:15 +0100
From:      Giovanni Trematerra <gianni@freebsd.org>
To:        Roel Bouwman <roel@bouwman.net>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: FreeBSD/armv6z/clang on Raspberry Pi 512MB (with U-Boot + ubldr)
Message-ID:  <CACfq093Mhu3-Ru=uNpXGVr5raxKJ74h25u3qY7-DZV31pra4Tg@mail.gmail.com>
In-Reply-To: <20130109205029.GB3090@shuttle.bouwman.net>
References:  <20130109205029.GB3090@shuttle.bouwman.net>

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On Wed, Jan 9, 2013 at 9:50 PM, Roel Bouwman <roel@bouwman.net> wrote:
> Hi Daisuke,
>
>> I have updated clang RPI code based on SVN r244906 + pmap-wb-caches-fix.
>
>> Now default transfer mode is DMA. If you want to use PIO(previous method),
>> you can change it by following command anytime:
>
> I have been playing with the image for a few hours now, and have already
> reflashed it three times.
>
> After a crash, the fsck at boot fails and causes a panic:
>
> Relevant info:
>
> sdhci_bcm0: <Broadcom 2708 SDHCI controller> mem 0xf2300000-0xf23000ff irq 70 on simplebus0
> bcm_sdhci_attach(): SDHCI frequency: 100MHz
> mmc0: <MMC/SD bus> on sdhci_bcm0
> ...
>
> mmcsd0: 7695MB <SDHC SDC   1.0 SN 570618485 MFG 12/2012 by 116 JE> at mmc0 25.0MHz/4bit/65535-block
> ..
> Trying to mount root from ufs:/dev/mmcsd0s2a [rw,noatime]...
> WARNING: / was not properly dismounted
> WARNING: /: mount pending error: blocks 0 files 4
> warning: no time-of-day clock registered, system time will not be set accurately
> Setting hostuuid: 12ffa981-59a2-11e2-8bd9-b827eb5f3b9e.
> Setting hostid: 0x76c702b3.
> Entropy harvesting: interrupts ethernet point_to_point kickstart.
> Starting file system checks:
> ** SU+J Recovering /dev/mmcsd0s2a
> ** Reading 8388608 byte journal from inode 4.
> ** Buildingp id 65 (fsck_ufs), uid 0: exited on signal 11
> recovery table.
> panic: Bad link elm 0xc10fcb0c next->prev != elm
> KDB: enter: panic
> [ thread pid 65 tid 100049 ]
> Stopped at      $d:     ldrb    r15, [r15, r15, ror r15]!
> db>
>
> This is reprocedable each and every time the system shuts down without
> unmounting the filesystems first.
>
> The card is a standard 8GB SD card.
>
>
> The last time the system crashed was a result of an attempt to load ng_ubt:
>
> root@raspberry-pi:/boot/kernel # kldload netgraph
> root@raspberry-pi:/boot/kernel # kldload ng_ubt
> ubt0: <Broadcom Corp Bluetooth Com One Device, class 224/1, rev 2.00/1.00, addr 4> on usbus0
> root@raspberry-pi:/boot/kernel # WARNING: attempt to domain_add(bluetooth) after domainfinalize()
> dmWARNING: attempt to domain_add(netgraph) after domainfinalize()
> smsc0: warning: bulk read error, USB_ERR_IOERROR
> ubt0: ubt_bulk_read_callback:885: bulk-in transfer failed: USB_ERR_IOERROR
> eubt0: ubt_intr_read_callback:785: interrupt transfer failed: USB_ERR_IOERROR
> panic: hashdestroy: hash not empty
> KDB: enter: panic
> [ thread pid 2595 tid 100080 ]
> Stopped at      $d:     ldrb    r15, [r15, r15, ror r15]!
> db>

Could you show the backtrace?

db> bt

--
Gianni



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