[DragonFlyBSD - Bug #2168] (Closed) DFBSD v2.13.0.126.g6e2ab - i386 - Panic while installing over UFS (under QEMU-KVM)

[Antonio M. Huete Jimenez via Redmine]

Issue #2168 has been updated by Antonio M. Huete Jimenez.

Status changed from New to Closed
Assignee deleted (0)

I've never been able to reproduce it. Also several bug fixes went in for UFS so I'll consider this solved.

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Bug #2168: DFBSD v2.13.0.126.g6e2ab - i386 - Panic while installing over UFS (under QEMU-KVM)
http://bugs.dragonflybsd.org/issues/2168

Author: Antonio M. Huete Jimenez
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 


Hi,

Trying to install an i386 dfly guest under qemu-kvm (KUbuntu 11), and a panic 
appears without finishing up the installation:


Warning: excessive fssync iteration
pSECONDARY PANIC ON CPU 1 THREAD 0xc07fe428
anic: td_critcount is/would-go negative! 0xcfc28c60 -1
cpuid = 0
Trace beginning at frame 0xd073f968
panic(ffffffff,0,c06f0100,d073f99c,cfc28c60) at panic+0x198
panic(c06f0100,cfc28c60,ffffffff,d073f9b0,c0518dd3) at panic+0x198
lwkt_remove_tdallq(2000,d073f9c4,c051972b,c3194f00,d073fa48) at 
lwkt_remove_tdallq
free_lock(c3194f00,d073fa48,c3194f00,d073fa08,c051e4ec) at free_lock+0x3a
acquire_lock(c0788de0,cf,5f5e100,0,0) at acquire_lock+0x14
softdep_disk_io_initiation(c3194f00,c07b7760,6f8,d073fa40,c037122b) at 
softdep_disk_io_initiation+0xbd
devfs_spec_strategy(d073fa48,c0790a28,d29ff0a0,0,40553a2b) at 
devfs_spec_strategy+0x37
vop_strategy(d29ff0a0,d3123278,c3194f80,c1573b34,c1573b34) at vop_strategy+0x82
vn_strategy(d3123278,c3194f80,0,d073fb04,c03bfbd7) at vn_strategy+0xdb
ufs_strategy(d073faec,d073fb14,c03e668e,d073faec,c0790a28) at ufs_strategy+0xfa
ufs_vnoperate(d073faec,c0790a28,d29e3440,c058028e,c1573b34) at 
ufs_vnoperate+0x16
vop_strategy(d29e3440,d3a0d638,c3194f30,0,0) at vop_strategy+0x56
vn_strategy(d3a0d638,c3194f30,d073fb60,c03c1104,c3195118) at vn_strategy+0xdb
bawrite(c3194f00,d073fbc8,d3a0d638,c3194f00,c3194f00) at bawrite+0xd0
vfsync_bp(c3194f00,d073fbc8,0,0,0) at vfsync_bp+0x17d
buf_rb_tree_RB_SCAN(d3a0d69c,c03d6644,c03d8142,d073fbc8,d3a0d71c) at 
buf_rb_tree_RB_SCAN+0xc0
vfsync(d3a0d638,6,4,c0522360,c051a94f) at vfsync+0x9f
ffs_fsync(d073fc24,c07909c8,d29e3440,c03e42a5,d3a0d6f8) at ffs_fsync+0x6b
vop_fsync(d29e3440,d3a0d638,6,0,d3a0d638) at vop_fsync+0x55
ffs_sync_scan2(d29a48e0,d3a0d638,d073fccc,d377e950,26b) at ffs_sync_scan2+0x54
vmntvnodescan(d29a48e0,11,c05202e0,c0520d51,d073fccc) at vmntvnodescan+0x1a7
ffs_sync(d29a48e0,6,d29a48e0,201000,c087e060) at ffs_sync+0x86
vfs_sync(d29a48e0,6,d2f76af8,c07906e0,d073fd58) at vfs_sync+0x42
sync_fsync(d073fd2c,c07909c8,c07906e0,c03da3ac,d2f76af8) at sync_fsync+0x85
vop_fsync(c07906e0,d2f76af8,4,0,4e20) at vop_fsync+0x55
syncer_thread(0,0,0,0,0) at syncer_thread+0xbb
kthread_exit() at kthread_exit
Debugger("panic")

i386 coredump available on demand. x64 panics also but I wasn't able to 
determine whether it is the same or not.

Cheers,
Antonio Huete


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