On my arm64 board, various console messages get intermixed because of SMP. This makes messages harder to read than the could be. One issue is that device_printf uses two printf's, one for the device, and one for the provided message.. This prevents PRINTF_BUFR_SIZE from combining the two messages into a single write. The review https://reviews.freebsd.org/D16690 makes device_printf use an sbuf w/ a printf drain to effectively buffer these messages together. previously: Trying to mount root from ufs:/dev/ufs/rootfs [rw]... mmc0: Instruction Set Attributes 0 = <AES+PMULL,SHA1,SHA2,CRC32> ACMD42 failed, RESULT: 4 Instruction Set Attributes 1 = <> mmc0: Processor Features 0 = <AdvSIMD,Float,EL3 32,EL2 32,EL1 32,EL0 32> Card at relative address 43690 failed to set bus width w/ patch: mmc0: ACMD42 failed, RESULT: 4 Trying to mount root from ufs:/dev/ufs/rootfs [rw]... Instruction Set Attributes 0 = <AES+PMULL,SHA1,SHA2,CRC32> mmc0: Card at relative address 43690 failed to set bus width Instruction Set Attributes 1 = <> Processor Features 0 = <AdvSIMD,Float,EL3 32,EL2 32,EL1 32,EL0 32> Comments? -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."Received on Thu Aug 16 2018 - 14:30:53 UTC
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