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Re: [PATCH v3] hw/ide/ahci: fix legacy software reset
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From: |
Marcin Juszkiewicz |
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Subject: |
Re: [PATCH v3] hw/ide/ahci: fix legacy software reset |
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Date: |
Thu, 9 Nov 2023 08:16:15 +0100 |
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User-agent: |
Mozilla Thunderbird |
W dniu 8.11.2023 o 23:26, Niklas Cassel pisze:
From: Niklas Cassel <niklas.cassel@wdc.com>
This fixes an issue for FreeBSD where the device would fail to reset.
The problem was not noticed in Linux, because Linux uses a COMRESET
instead of a legacy software reset by default.
Fixes: e2a5d9b3d9c3 ("hw/ide/ahci: simplify and document PxCI handling")
Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Tested-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
FreeBSD 14-rc3 boots fine on AArch64 with this patch:
Trying to mount root from cd9660:/dev/iso9660/14_0_RC3_AARCH64_BO [ro]...
cd0 at ahcich0 bus 0 scbus0 target 0 lun 0
cd0: <QEMU QEMU DVD-ROM 2.5+> Removable CD-ROM SCSI device
cd0: Serial Number QM00001
cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes)
cd0: 347MB (177954 2048 byte sectors)
ada0 at ahcich1 bus 0 scbus1 target 0 lun 0
ada0: <QEMU HARDDISK 2.5+> ATA-7 SATA device
ada0: Serial Number QM00003
ada0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 504MB (1032192 512 byte sectors)
ada1 at ahcich2 bus 0 scbus2 target 0 lun 0
ada1: <QEMU HARDDISK 2.5+> ATA-7 SATA device
ada1: Serial Number QM00005
ada1: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
ada1: Command Queueing enabled
ada1: 8192MB (16777216 512 byte sectors)