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Date:      Thu, 10 Apr 2008 17:08:23 -1000 (HST)
From:      Jeff Roberson <jroberson@jroberson.net>
To:        =?X-UNKNOWN?Q?S=F8ren_Schmidt?= <sos@FreeBSD.org>
Cc:        cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/dev/ata ata-all.c ata-all.h ata-card.c  ata-cbus.c ata-chipset.c ata-disk.c ata-disk.h ata-dma.c ata-isa.c  ata-lowlevel.c ata-pci.c ata-pci.h ata-queue.c ata-raid.c         ata-raid.h ata-usb.c ata_if.m atapi-cd.c atapi-cd.h atapi-fd.c ...
Message-ID:  <20080410170530.V43186@desktop>
In-Reply-To: <200804101305.m3AD55DK066187@repoman.freebsd.org>
References:  <200804101305.m3AD55DK066187@repoman.freebsd.org>

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I have two problems with this patch.  First, it seems to break my amr=20
device which is no longer able to probe disks.  Backing out this commit=20
fixes the problem.

Secondly, with WITNESS enabled my console is full of the following=20
errors on boot:

uma_zalloc_arg: zone "16" with the following non-sleepable locks held:^M
exclusive sleep mutex ATA state lock r =3D 0 (0xffffff0004117678) locked @=
=20
dev/ata
/ata-queue.c:194^M
exclusive sleep mutex ATA queue lock r =3D 0 (0xffffff00041176b0) locked @=
=20
dev/ata
/ata-queue.c:177^M
KDB: stack backtrace:^M
db_trace_self_wrapper() at db_trace_self_wrapper+0x27^M
kdb_backtrace() at kdb_backtrace+0x3e^M
witness_warn() at witness_warn+0x374^M
uma_zalloc_arg() at uma_zalloc_arg+0x3f^M
uma_zalloc() at uma_zalloc+0x20^M
malloc() at malloc+0x122^M
sysctl_add_oid() at sysctl_add_oid+0x11d^M
alloc_bounce_zone() at alloc_bounce_zone+0x204^M
bus_dma_tag_create() at bus_dma_tag_create+0x2d1^M
ata_dmaload() at ata_dmaload+0x341^M
ata_begin_transaction() at ata_begin_transaction+0x22f^M
ata_start() at ata_start+0x24c^M
ata_queue_request() at ata_queue_request+0x3da^M
ata_raid_rw() at ata_raid_rw+0x14b^M
ata_raid_adaptec_read_meta() at ata_raid_adaptec_read_meta+0x8a^M
ata_raid_read_metadata() at ata_raid_read_metadata+0x297^M
ata_raid_subdisk_attach() at ata_raid_subdisk_attach+0x57^M
DEVICE_ATTACH() at DEVICE_ATTACH+0x84^M
device_attach() at device_attach+0x3c^M
device_probe_and_attach() at device_probe_and_attach+0x10d^M
bus_generic_attach() at bus_generic_attach+0x23^M
ad_attach() at ad_attach+0x25f^M
DEVICE_ATTACH() at DEVICE_ATTACH+0x84^M
device_attach() at device_attach+0x3c^M
device_probe_and_attach() at device_probe_and_attach+0x10d^M
bus_generic_attach() at bus_generic_attach+0x23^M
ata_identify() at ata_identify+0x225^M
ata_boot_attach() at ata_boot_attach+0x54^M
run_interrupt_driven_config_hooks() at=20
run_interrupt_driven_config_hooks+0x79^M
mi_startup() at mi_startup+0x11b^M

It's not legal to call bus_dma_tag_create with locks held.

Thanks,
Jeff

On Thu, 10 Apr 2008, S=F8ren Schmidt wrote:

> sos         2008-04-10 13:05:05 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/dev/ata          ata-all.c ata-all.h ata-card.c ata-cbus.c
>                         ata-chipset.c ata-disk.c ata-disk.h
>                         ata-dma.c ata-isa.c ata-lowlevel.c
>                         ata-pci.c ata-pci.h ata-queue.c
>                         ata-raid.c ata-raid.h ata-usb.c ata_if.m
>                         atapi-cd.c atapi-cd.h atapi-fd.c
>                         atapi-fd.h atapi-tape.c atapi-tape.h
>  Log:
>  Add experimental support for SATA Port Multipliers
>
>  Support is working on the Silicon Image SiI3124/3132.
>  Support is working on some AHCI chips but far from all.
>
>  Remember this is WIP, so test reports and (constructive) suggestions are=
 welcome!
>
>  Revision  Changes    Path
>  1.282     +73 -57    src/sys/dev/ata/ata-all.c
>  1.129     +42 -25    src/sys/dev/ata/ata-all.h
>  1.41      +1 -1      src/sys/dev/ata/ata-card.c
>  1.26      +1 -1      src/sys/dev/ata/ata-cbus.c
>  1.213     +797 -266  src/sys/dev/ata/ata-chipset.c
>  1.208     +117 -48   src/sys/dev/ata/ata-disk.c
>  1.54      +1 -1      src/sys/dev/ata/ata-disk.h
>  1.151     +160 -132  src/sys/dev/ata/ata-dma.c
>  1.32      +1 -1      src/sys/dev/ata/ata-isa.c
>  1.81      +31 -33    src/sys/dev/ata/ata-lowlevel.c
>  1.124     +41 -40    src/sys/dev/ata/ata-pci.c
>  1.84      +1 -2      src/sys/dev/ata/ata-pci.h
>  1.70      +8 -3      src/sys/dev/ata/ata-queue.c
>  1.127     +1 -1      src/sys/dev/ata/ata-raid.c
>  1.47      +1 -1      src/sys/dev/ata/ata-raid.h
>  1.8       +1 -2      src/sys/dev/ata/ata-usb.c
>  1.8       +1 -1      src/sys/dev/ata/ata_if.m
>  1.197     +4 -9      src/sys/dev/ata/atapi-cd.c
>  1.48      +1 -1      src/sys/dev/ata/atapi-cd.h
>  1.112     +3 -7      src/sys/dev/ata/atapi-fd.c
>  1.28      +1 -1      src/sys/dev/ata/atapi-fd.h
>  1.105     +5 -13     src/sys/dev/ata/atapi-tape.c
>  1.26      +1 -1      src/sys/dev/ata/atapi-tape.h
>
--2547152148-1559386048-1207883303=:43186--



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