On 2/6/20 12:26 PM, Cédric Le Goater wrote: > Hello, > > We have been seeing a squashfs corruption on the witherspoon-bmc > machine for quite some time. It boots but quickly after boot > corruption errors start to fill the console. This machine has two BMC > chips with UBIfs on them. The romulus-bmc machine has a similar > problem when both PNOR are enabled. > > After some investigation, it appeared that the SPI transfers on the > two chips were getting mixed and after more investigation, the User > mode select/unselect scheme of the Aspeed SMC model proved to be > broken. It's been there since the right beginning of the model. Here > is a fix. > > Kudos to Andrew J. for the time he spent on this and Andrew G. for his > patience. > > I pushed the code on my github branch aspeed-5.0 for more testing. > > Thanks, > > C. > > Cédric Le Goater (2): > aspeed/smc: Add some tracing > aspeed/smc: Fix User mode select/unselect scheme > > Makefile.objs | 1 + > hw/ssi/aspeed_smc.c | 56 ++++++++++++++++++++++++++++++++------------- > hw/ssi/trace-events | 10 ++++++++ > 3 files changed, 51 insertions(+), 16 deletions(-) > create mode 100644 hw/ssi/trace-events
Hello Peter, If you have some time to take a look, it would be nice to get this fix in QEMU 5.0. Thanks, C.
