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$Id: README_known_issues.txt 680 2015-05-14 13:29:46Z mueller $
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$Id: README_known_issues.txt 687 2015-06-05 09:03:34Z mueller $
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Known issues for this release.
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Known issues for this release.
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The case id indicates the release when the issue was first recognized.
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The case id indicates the release when the issue was first recognized.
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- V0.66-1: the TM11 controller transfers data byte wise (all disk do it 16bit
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word wise) and allows for odd byte length transfers. Odd length transfers
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are currently not supported and rejected as invalid command. Odd byte
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length records aren't used by OS, if at all, so in practice this limitation
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isn't relevant.
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- V0.66-2: using two RP06 drives in parallel under 211bsd leads to a hangup of
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the system after a short time. Currently only operation of a single drive
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works reliably.
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- V0.65-1: ti_rri sometimes crashes in normal rundown (exit or ^D) when
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- V0.65-1: ti_rri sometimes crashes in normal rundown (exit or ^D) when
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a cuff: type rlink is active. One gets
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a cuff: type rlink is active. One gets
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terminate called after throwing an instance of 'Retro::Rexception'
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terminate called after throwing an instance of 'Retro::Rexception'
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what(): RlinkPortCuff::Cleanup(): driver thread failed to stop
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what(): RlinkPortCuff::Cleanup(): driver thread failed to stop
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doesn't affect normal operation, will be fixed in upcoming release.
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doesn't affect normal operation, will be fixed in upcoming release.
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explicitly IOB flops, thus timing well defined.
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explicitly IOB flops, thus timing well defined.
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- V0.64-5: w11a_tb_guide.txt covers only ISE based tests (see also V0.64-4).
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- V0.64-5: w11a_tb_guide.txt covers only ISE based tests (see also V0.64-4).
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- V0.64-4: No support for the Vivado simulator (xsim) yet. With ghdl only
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- V0.64-4: No support for the Vivado simulator (xsim) yet. With ghdl only
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functional simulations, post synthesis (_ssim) fails to compile.
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functional simulations, post synthesis (_ssim) fails to compile.
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- V0.64-3: Highest baud rate with basys3 and nexys4 is 10 MBaud. 10 MBaud is
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- V0.64-3: Highest baud rate with basys3 and nexys4 is 10 MBaud. 10 MBaud is
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not supported according to FTDI, but works. 12 MBaud in next release.
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not supported according to FTDI, but works. 12 MBaud in an upcoming release.
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- V0.64-2: rlink throughput on basys3/nexys4 limited by serial port stack
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- V0.64-2: rlink throughput on basys3/nexys4 limited by serial port stack
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round trip times. Will be overcome by libusb based custom driver.
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round trip times. Will be overcome by libusb based custom driver.
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- V0.64-1: The large default transfer size for disk accesses leads to bad
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- V0.64-1: The large default transfer size for disk accesses leads to bad
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throughput in the DL11 emulation for low speed links, like the
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throughput in the DL11 emulation for low speed links, like the
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460kBaud the S3board is limited too. Will be overcome by a DL11
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460kBaud the S3board is limited too. Will be overcome by a DL11
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