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authorbouyer <bouyer@NetBSD.org>2004-07-31 21:26:42 +0000
committerbouyer <bouyer@NetBSD.org>2004-07-31 21:26:42 +0000
commit7ffa35d1a22116956594de8f808c7abf31912a98 (patch)
tree285bb74d8dd06591e5f2ad168be1a18315fca8d4 /sys/dev/microcode/tigon
parent1fe630831fca7a6764e893910c062a2930cfb546 (diff)
Implement asynchronous channel reset.
Use this to reset the channel before doing a dump, instead of the hack in wdc_exec_xfer() based on C_POLL. This hack was causing problems on controllers with a shared queue, because we now can have C_POLL set during concurent channels probes (problem found and analysed on sparc64 by Martin Husemann). This should even make core dumps marginally more reliable on ATA drives.
Diffstat (limited to 'sys/dev/microcode/tigon')
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