Magliano Andrea <masterblas...@tiscali.it> added the comment:
Unfortunately another kdump despite callout_stop_sync() modifications (few hours
after installkernel): https://84.73.12.43/crash/core19.tar.xz
As 'crash test' i'm running a 'git svn clone' of lyx svn repo (which takes
looong time)
(kgdb) bt
#0 _get_mycpu () at ./machine/thread.h:69
#1 md_dumpsys (di=<optimized out>)
at /usr/src/sys/platform/pc64/x86_64/dump_machdep.c:263
#2 0xffffffff802c4c75 in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:925
#3 0xffffffff802c52db in boot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:387
#4 0xffffffff802c5584 in panic (
fmt=0xffffffff817b1310 "assertion \"%s\" failed in %s at %s:%u")
at /usr/src/sys/kern/kern_shutdown.c:831
#5 0xffffffff817ac553 in ahci_ata_cmd_done (ccb=0xffffffe01f2726e0)
at /usr/src/sys/dev/disk/ahci/ahci.c:3561
#6 0xffffffff817af14b in ahci_port_intr (ap=0xffffffe01f25c638,
blockable=<optimized out>) at /usr/src/sys/dev/disk/ahci/ahci.c:3010
#7 0xffffffff817af361 in ahci_intr (arg=<optimized out>)
at /usr/src/sys/dev/disk/ahci/ahci.c:2352
#8 0xffffffff80294c14 in ithread_handler (arg=<optimized out>)
at /usr/src/sys/kern/kern_intr.c:837
#9 0xffffffff802d17ad in lwkt_deschedule_self (td=<unavailable>)
at /usr/src/sys/kern/lwkt_thread.c:355
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(kgdb) p *(struct ata_xfer *) ccb->ccb_xa
$1 = {fis = 0x4015630020618027, rfis = {type = 9 '\t', flags = 0 '\000',
status = 0 '\000', error = 0 '\000', lba_low = 216 '\330',
lba_mid = 0 '\000', lba_high = 0 '\000', device = 0 '\000',
lba_low_exp = 0 '\000', lba_mid_exp = 0 '\000', lba_high_exp = 0 '\000',
reserved0 = 0 '\000', sector_count = 0 '\000',
sector_count_exp = 0 '\000', reserved1 = 0 '\000', reserved2 = 0 '\000',
reserved3 = 0 '\000', reserved4 = 0 '\000', reserved5 = 0 '\000',
reserved6 = 0 '\000'}, packetcmd = 0x0, tag = 0 '\000', data = 0x0,
datalen = 0, resid = 0, complete = 0, timeout = 0, flags = 0, state = 0,
atascsi_private = 0x0, at = 0x0}
(kgdb) p *(*(struct ata_xfer *) ccb->ccb_xa).fis
Cannot access memory at address 0x4015630020618027
and fis is screwed up too...
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<http://bugs.dragonflybsd.org/issue2092>
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