Public bug reported: As of commit 3e407488349:
$ avocado --show=console run -t machine:malta tests/acceptance/boot_linux_console.py console: [ 0.000000] Linux version 4.5.0-2-4kc-malta (debian-ker...@lists.debian.org) (gcc version 5.3.1 20160519 (Debian 5.3.1-20) ) #1 Debian 4.5.5-1 (2016-05-29) console: [ 0.000000] earlycon: Early serial console at I/O port 0x3f8 (options '38400n8') console: [ 0.000000] bootconsole [uart0] enabled console: [ 0.000000] CPU0 revision is: 00019300 (MIPS 24Kc) console: [ 0.000000] FPU revision is: 00739300 console: [ 0.000000] MIPS: machine is mti,malta [...] console: ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 console: ata2.00: Drive reports diagnostics failure. This may indicate a drive console: ata2.00: fault or invalid emulation. Contact drive vendor for information. console: ata2.00: configured for UDMA/33 console: scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 console: Freeing unused kernel memory: 412K (80979000 - 809e0000) console: do_page_fault(): sending SIGSEGV to mount for invalid write access to 0018a000 console: epc = 775cca54 in libc-2.27.so[775b3000+177000] console: ra = 77754618 in ld-2.27.so[77743000+24000] console: do_page_fault(): sending SIGSEGV to klogd for invalid write access to 0018a000 console: epc = 770f0a54 in libc-2.27.so[770d7000+177000] console: ra = 77278618 in ld-2.27.so[77267000+24000] console: do_page_fault(): sending SIGSEGV to S20urandom for invalid write access to 0018a000 console: epc = 77d0ca54 in libc-2.27.so[77cf3000+177000] console: ra = 77e94618 in ld-2.27.so[77e83000+24000] console: do_page_fault(): sending SIGSEGV to mkdir for invalid write access to 0018a000 console: epc = 776b8a54 in libc-2.27.so[7769f000+177000] console: ra = 77840618 in ld-2.27.so[7782f000+24000] console: do_page_fault(): sending SIGSEGV to sh for invalid write access to 0018a000 console: epc = 77364a54 in libc-2.27.so[7734b000+177000] console: ra = 774ec618 in ld-2.27.so[774db000+24000] console: do_page_fault(): sending SIGSEGV to sh for invalid write access to 0018a000 console: epc = 77bd4a54 in libc-2.27.so[77bbb000+177000] console: ra = 77d5c618 in ld-2.27.so[77d4b000+24000] console: do_page_fault(): sending SIGSEGV to awk for invalid write access to 0018a000 console: epc = 76f44a54 in libc-2.27.so[76f2b000+177000] console: ra = 770cc618 in ld-2.27.so[770bb000+24000] console: do_page_fault(): sending SIGSEGV to cat for invalid write access to 0018a000 console: epc = 770cca54 in libc-2.27.so[770b3000+177000] console: ra = 77254618 in ld-2.27.so[77243000+24000] $ echo $? 8 55adb3c45620c31f29978f209e2a44a08d34e2da is the first bad commit commit 55adb3c45620c31f29978f209e2a44a08d34e2da Author: John Snow <js...@redhat.com> Date: Fri Jul 24 01:23:00 2020 -0400 ide: cancel pending callbacks on SRST The SRST implementation did not keep up with the rest of IDE; it is possible to perform a weak reset on an IDE device to remove the BSY/DRQ bits, and then issue writes to the control/device registers which can cause chaos with the state machine. Fix that by actually performing a real reset. ** Affects: qemu Importance: Undecided Status: New ** Tags: ide -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1900155 Title: MIPS Malta fails booting due to IDE error Status in QEMU: New Bug description: As of commit 3e407488349: $ avocado --show=console run -t machine:malta tests/acceptance/boot_linux_console.py console: [ 0.000000] Linux version 4.5.0-2-4kc-malta (debian-ker...@lists.debian.org) (gcc version 5.3.1 20160519 (Debian 5.3.1-20) ) #1 Debian 4.5.5-1 (2016-05-29) console: [ 0.000000] earlycon: Early serial console at I/O port 0x3f8 (options '38400n8') console: [ 0.000000] bootconsole [uart0] enabled console: [ 0.000000] CPU0 revision is: 00019300 (MIPS 24Kc) console: [ 0.000000] FPU revision is: 00739300 console: [ 0.000000] MIPS: machine is mti,malta [...] console: ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 console: ata2.00: Drive reports diagnostics failure. This may indicate a drive console: ata2.00: fault or invalid emulation. Contact drive vendor for information. console: ata2.00: configured for UDMA/33 console: scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 console: Freeing unused kernel memory: 412K (80979000 - 809e0000) console: do_page_fault(): sending SIGSEGV to mount for invalid write access to 0018a000 console: epc = 775cca54 in libc-2.27.so[775b3000+177000] console: ra = 77754618 in ld-2.27.so[77743000+24000] console: do_page_fault(): sending SIGSEGV to klogd for invalid write access to 0018a000 console: epc = 770f0a54 in libc-2.27.so[770d7000+177000] console: ra = 77278618 in ld-2.27.so[77267000+24000] console: do_page_fault(): sending SIGSEGV to S20urandom for invalid write access to 0018a000 console: epc = 77d0ca54 in libc-2.27.so[77cf3000+177000] console: ra = 77e94618 in ld-2.27.so[77e83000+24000] console: do_page_fault(): sending SIGSEGV to mkdir for invalid write access to 0018a000 console: epc = 776b8a54 in libc-2.27.so[7769f000+177000] console: ra = 77840618 in ld-2.27.so[7782f000+24000] console: do_page_fault(): sending SIGSEGV to sh for invalid write access to 0018a000 console: epc = 77364a54 in libc-2.27.so[7734b000+177000] console: ra = 774ec618 in ld-2.27.so[774db000+24000] console: do_page_fault(): sending SIGSEGV to sh for invalid write access to 0018a000 console: epc = 77bd4a54 in libc-2.27.so[77bbb000+177000] console: ra = 77d5c618 in ld-2.27.so[77d4b000+24000] console: do_page_fault(): sending SIGSEGV to awk for invalid write access to 0018a000 console: epc = 76f44a54 in libc-2.27.so[76f2b000+177000] console: ra = 770cc618 in ld-2.27.so[770bb000+24000] console: do_page_fault(): sending SIGSEGV to cat for invalid write access to 0018a000 console: epc = 770cca54 in libc-2.27.so[770b3000+177000] console: ra = 77254618 in ld-2.27.so[77243000+24000] $ echo $? 8 55adb3c45620c31f29978f209e2a44a08d34e2da is the first bad commit commit 55adb3c45620c31f29978f209e2a44a08d34e2da Author: John Snow <js...@redhat.com> Date: Fri Jul 24 01:23:00 2020 -0400 ide: cancel pending callbacks on SRST The SRST implementation did not keep up with the rest of IDE; it is possible to perform a weak reset on an IDE device to remove the BSY/DRQ bits, and then issue writes to the control/device registers which can cause chaos with the state machine. Fix that by actually performing a real reset. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1900155/+subscriptions