rainier-bmc machine dumping core with latest qemu

[Cédric Le Goater]

Hello Ninad,

On 2/8/23 15:26, Ninad Palsule wrote:
> Hello,
> 
> I am hitting core dump while running qemu with rainier-bmc machine. I started
> hitting it after I rebased to latest qemu from master.
> Can someone please help?
> 
> /home/abc/dev/qemu/build/qemu-system-arm -M rainier-bmc -nographic \
>    -kernel ./fitImage-linux.bin--${LINUX_VERSION}-r0-p10bmc-${BLD_VERSION}.bin \
>    -dtb ./aspeed-bmc-ibm-rainier--${LINUX_VERSION}-r0-p10bmc-${BLD_VERSION}.dtb \
>    -initrd ./obmc-phosphor-initramfs-p10bmc-${BLD_VERSION}.rootfs.cpio.xz \
>    -drive file=./obmc-phosphor-image-p10bmc-${BLD_VERSION}.rootfs.wic.qcow2,if=sd,index=2 \
>    -append 'rootwait console=ttyS4,115200n8 root=PARTLABEL=rofs-a'

Rainier systems usually boot from eMMC Are you using mainline QEMU or
a branch with eMMC support ?


C.

> 
> 
> [  OK  ] Started Journal Service.
>           Starting Flush Journal to Persistent Storage...
> [   45.873184] systemd-journald[156]: Received client request to flush runtime journal.
> [   45.932231] systemd-journald[156]: File /var/log/journal/97cd620eaa284caf980533438c7355c4/system.journal corrupted or uncleanly shut down, renaming and replacing.
> qemu-system-arm: /home/abc/dev/qemu/block/block-gen.h:43: bdrv_poll_co: Assertion `qemu_get_current_aio_context() == qemu_get_aio_context()' failed.
> 
> Thread 3 "qemu-system-arm" received signal SIGABRT, Aborted.
> [Switching to Thread 0x7ffff6896640 (LWP 3898452)]
> __pthread_kill_implementation (no_tid=0, signo=6, threadid=140737329587776) at ./nptl/pthread_kill.c:44
> 44  ./nptl/pthread_kill.c: No such file or directory.
> 
> 
> #6  0x00007ffff77e8e96 in __GI___assert_fail
>      (assertion=assertion at entry=0x55555603e798 "qemu_get_current_aio_context() ==
> qemu_get_aio_context()", file=file at entry=0x5555560aef28 "/home/abc/dev/qemu/block/block-gen.h", line=line at entry=43, function=function at entry=0x5555560af080 <__PRETTY_FUNCTION__.9> "bdrv_poll_co") at ./assert/assert.c:101
> #7  0x0000555555da91f9 in bdrv_poll_co (s=0x7ffff68957f0) at /home/abc/dev/qemu/block/block-gen.h:43
> #8  bdrv_poll_co (s=0x7ffff68957f0) at /home/abc/dev/qemu/block/block-gen.h:38
> #9  bdrv_getlength (bs=<optimized out>) at block/block-gen.c:310
> #10 0x0000555555e3558e in handle_aiocb_write_zeroes (opaque=0x7fff419965f0) at ../block/file-posix.c:1741
> #11 0x0000555555ef80fd in worker_thread (opaque=opaque at entry=0x5555569e2300) at ../util/thread-pool.c:110
> #12 0x0000555555ee3901 in qemu_thread_start (args=<optimized out>) at ../util/qemu-thread-posix.c:505
> #13 0x00007ffff7843b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
> #14 0x00007ffff78d5a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
> 
> (gdb) p qemu_aio_context
> $1 = (AioContext *) 0x5555568b13d0
> 
> ---------------------------------------
> 
> 
> Reproduction steps:
> 
> 1. Clone and build qemu from https://github.com/qemu/qemu
> 2. Download following eBMC images
> 
> BLD_VERSION=20230205025034
> LINUX_VERSION="6.0.19+git0+67c9407e1f"
> wget https://jenkins.openbmc.org/view/latest/job/latest-master/label=docker-builder,target=p10bmc/lastStableBuild/artifact/openbmc/build/tmp/deploy/images/p10bmc/obmc-phosphor-initramfs-p10bmc-${BLD_VERSION}.rootfs.cpio.xz
> 
> wget https://jenkins.openbmc.org/view/latest/job/latest-master/label=docker-builder,target=p10bmc/lastStableBuild/artifact/openbmc/build/tmp/deploy/images/p10bmc/aspeed-bmc-ibm-rainier--${LINUX_VERSION}-r0-p10bmc-${BLD_VERSION}.dtb
> 
> wget https://jenkins.openbmc.org/view/latest/job/latest-master/label=docker-builder,target=p10bmc/lastStableBuild/artifact/openbmc/build/tmp/deploy/images/p10bmc/fitImage-linux.bin--${LINUX_VERSION}-r0-p10bmc-${BLD_VERSION}.bin
> 
> wget https://jenkins.openbmc.org/view/latest/job/latest-master/label=docker-builder,target=p10bmc/lastStableBuild/artifact/openbmc/build/tmp/deploy/images/p10bmc/obmc-phosphor-image-p10bmc-${BLD_VERSION}.rootfs.wic.qcow2
> qemu-img resize obmc-phosphor-image-p10bmc-${BLD_VERSION}.rootfs.wic.qcow2 16G
> 
> 3. Run the qemu command as show at the start
> 
> 
>