https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207621
Bug ID: 207621
Summary: SATA SSD / Allwinner A20
Product: Base System
Version: 11.0-CURRENT
Hardware: arm
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: arm
Assignee: freebsd-arm at FreeBSD.org
Reporter: fulda at seznam.cz
This bug affect boards with Allwinner A20 chips. Once they have attached SATA
SSD disk (no necessary to mount, only plugged in), then you will have troubles
with reading more files from SD card.
I did small experiment - download last image (same experience with previous
one), boot, and without any modifications start reading files from SD. Attached
sata ssd have no UFS/FAT partition and no any partition is mounted. (my
hardware is Banana PI M1)
Here is three examples:
read disk using tar with transfer data to another process (wc) and without (to
dev/null)
Outputs from my experiment follows.
(Other affected people:
https://lists.freebsd.org/pipermail/freebsd-arm/2016-February/013229.html
https://lists.freebsd.org/pipermail/freebsd-arm/2016-February/013274.html )
Jindra
---------------------------------------------
SATA disk attached, but not used:
---------------------------------------------
root at a20:~ # uname -a
FreeBSD a20 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r295683: Wed Feb 17 05:22:46
UTC 2016 root at releng2.nyi.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/A20 arm
root at a20:~ # tar cf - /usr | wc
tar: Removing leading '/' from member names
panic: vm_page_insert_after: page already inserted
cpuid = 0
KDB: enter: panic
[ thread pid 679 tid 100084 ]
Stopped at $d.7: ldrb r15, [r15, r15, ror r15]!
db>
---------------------------------------------
root at a20:~ # tar cf /dev/null /usr
tar: Removing leading '/' from member names
panic: vm_page_insert_after: page already inserted
cpuid = 0
KDB: enter: panic
[ thread pid 644 tid 100067 ]
Stopped at $d.7: ldrb r15, [r15, r15, ror r15]!
db>
---------------------------------------------
NO SATA disk attached:
---------------------------------------------
root at a20:~ # uname -a
FreeBSD a20 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r295683: Wed Feb 17 05:22:46
UTC 2016 root at releng2.nyi.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/A20 arm
root at a20:~ # tar cf - /usr | wc
tar: Removing leading '/' from member names
5994501 28169833 716206080
root at a20:~ #
root at a20:~ # halt
Feb 17 05:37:21 a20 halt: halted by root
Feb 17 05:37:21 a20 syslogd: exiting on signal 15
Waiting (max 60 seconds) for system process `vnlru' to stop...done
Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining...2 1 0 0 done
All buffers synced.
lock order reversal:
1st 0xc45b3db4 ufs (ufs) @ /usr/src/sys/kern/vfs_mount.c:1222
2nd 0xc432cc94 syncer (syncer) @ /usr/src/sys/kern/vfs_subr.c:2617
stack backtrace:
lock order reversal:
1st 0xc45b3b74 ufs (ufs) @ /usr/src/sys/kern/vfs_mount.c:1222
2nd 0xc45b35d4 devfs (devfs) @ /usr/src/sys/fs/msdosfs/msdosfs_vfsops.c:994
stack backtrace:
Uptime: 3m12s
The operating system has halted.
Please press any key to reboot.
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