On 2025-05-20 12:30, Damien Le Moal wrote: > On 2025/05/19 10:49, Tasos Sahanidis wrote: >> The controller has a hardware bug that can hard hang the system when >> doing ATAPI DMAs without any trace of what happened. Depending on the >> device attached, it can also prevent the system from booting. >> >> In this case, the system hangs when reading the ATIP from optical media >> with cdrecord -vvv -atip on an _NEC DVD_RW ND-4571A 1-01 and an >> Optiarc DVD RW AD-7200A 1.06 attached to an ASRock 990FX Extreme 4, >> running at UDMA/33. >> >> The issue can be reproduced by running the same command with a cygwin >> build of cdrecord on WinXP, although it requires more attempts to cause >> it. The hang in that case is also resolved by forcing PIO. It doesn't >> appear that VIA has produced any drivers for that OS, thus no known >> workaround exists. >> >> HDDs attached to the controller do not suffer from any DMA issues. >> >> Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/916677 >> Signed-off-by: Tasos Sahanidis <tasos@xxxxxxxxxxxx> > > Doesn't this need a Cc: stable tag ? I can add it when applying. > Yes, please do so. I forgot about it. Thank you! -- Tasos
