https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264016
--- Comment #7 from Sergei Masharov <se...@expir.org> --- 12.4-RELEASE has the same problem as 12.3-RELEASE, but doesn't hang as 13.1-RELEASE after I connect the drive to the problematic controller, just fills the logs and console with these messages several times per second: Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:50 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:51 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked Dec 5 13:32:52 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00 Dec 5 13:32:52 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): CAM status: Uncorrectable parity/CRC error Dec 5 13:32:52 z120-i386 kernel: (aprobe0:ahcich10:0:0:0): Error 5, Retry was blocked -- You are receiving this mail because: You are the assignee for the bug.