Re: kern/50324: uvm_fault(0xffffffff810b16c0, 0xffff80008e8ce000, 1) -> e

To: kern-bug-people%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost,mail%benjaminlorenz.de@localhost
Subject: Re: kern/50324: uvm_fault(0xffffffff810b16c0, 0xffff80008e8ce000, 1) -> e
From: Benjamin Lorenz <bl%pocketservices.de@localhost>
Date: Sun, 11 Oct 2015 19:40:00 +0000 (UTC)
The following reply was made to PR kern/50324; it has been noted by GNATS.

From: Benjamin Lorenz <bl%pocketservices.de@localhost>
To: gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost
Cc: 
Subject: Re: kern/50324: uvm_fault(0xffffffff810b16c0, 0xffff80008e8ce000, 1)
 -> e
Date: Sun, 11 Oct 2015 21:36:36 +0200

 --=-orGQHyNbRGOJeB+9ME+T
 Content-Type: text/plain; charset="utf-8"
 
 One more panic for you, recursive this time:
 
 
 
 uvm_fault(0xffffffff810b16c0, 0xffff80008e8ae000, 1) -> e 
 fatal page fault in supervisor mode 
 trap type 6 code 0 rip ffffffff809ccb04 cs 8 rflags 10206 cr2 ffff80008e8aeff8 ilevel 8 rsp fffffe810fa917c0 
 curlwp 0xfffffe81cccdeb60 pid 402.1 lowest kstack 0xfffffe810fa8f2c0 
 panic: trap 
 cpu1: Begin traceback... 
 vpanic() at netbsd:vpanic+0x13c 
 snprintf() at netbsd:snprintf 
 startlwp() at netbsd:startlwp 
 alltraps() at netbsd:alltraps+0x96 
 ld_virtio_start() at netbsd:ld_virtio_start+0x14b 
 ldstart() at netbsd:ldstart+0x6b 
 ldstrategy() at netbsd:ldstrategy+0x101 
 bdev_strategy() at netbsd:bdev_strategy+0x5b 
 spec_strategy() at netbsd:spec_strategy+0x2c 
 VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x33 
 genfs_do_io() at netbsd:genfs_do_io+0x195 
 genfs_gop_write() at netbsd:genfs_gop_write+0x52 
 genfs_do_putpages() at netbsd:genfs_do_putpages+0x7ca 
 VOP_PUTPAGES() at netbsd:VOP_PUTPAGES+0x3a 
 ffs_write() at netbsd:ffs_write+0x354 
 VOP_WRITE() at netbsd:VOP_WRITE+0x37 
 vn_write() at netbsd:vn_write+0xec 
 dofilewrite() at netbsd:dofilewrite+0x97 
 sys_write() at netbsd:sys_write+0x5f 
 syscall() at netbsd:syscall+0x9a 
 --- syscall (number 4) --- 
 7f7ff743c1ca: 
 cpu1: End traceback...
 
 
 
 dumping to dev 19,1 (offset=2135, size=2097023): 
 dump uvm_fault(0xffffffff810b16c0, 0xffff80008e8ae000, 1) -> e 
 fatal page fault in supervisor mode 
 trap type 6 code 0 rip ffffffff809ccb04 cs 8 rflags 10206 cr2 ffff80008e8aeff8 ilevel 8 rsp fffffe810fa912a0 
 curlwp 0xfffffe81cccdeb60 pid 402.1 lowest kstack 0xfffffe810fa8f2c0 
 Skipping crash dump on recursive panic 
 panic: trap 
 cpu1: Begin traceback... 
 vpanic() at netbsd:vpanic+0x13c 
 snprintf() at netbsd:snprintf 
 startlwp() at netbsd:startlwp 
 alltraps() at netbsd:alltraps+0x96 
 ld_virtio_start() at netbsd:ld_virtio_start+0x14b 
 ldstart() at netbsd:ldstart+0x6b 
 lddone() at netbsd:lddone+0xac 
 ld_virtio_dump() at netbsd:ld_virtio_dump+0x2aa 
 lddump() at netbsd:lddump+0x149 
 dump_header_flush() at netbsd:dump_header_flush+0x4f 
 dump_header_addbytes() at netbsd:dump_header_addbytes+0x46 
 dump_header_addseg() at netbsd:dump_header_addseg+0x1e 
 dump_seg_iter() at netbsd:dump_seg_iter+0xce 
 cpu_dump() at netbsd:cpu_dump+0x6a 
 dodumpsys() at netbsd:dodumpsys+0xfb 
 dumpsys() at netbsd:dumpsys+0x1d 
 vpanic() at netbsd:vpanic+0x145 
 snprintf() at netbsd:snprintf 
 startlwp() at netbsd:startlwp 
 alltraps() at netbsd:alltraps+0x96 
 ld_virtio_start() at netbsd:ld_virtio_start+0x14b
 
 ldstart() at netbsd:ldstart+0x6b 
 ldstrategy() at netbsd:ldstrategy+0x101 
 bdev_strategy() at netbsd:bdev_strategy+0x5b 
 spec_strategy() at netbsd:spec_strategy+0x2c 
 VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x33 
 genfs_do_io() at netbsd:genfs_do_io+0x195 
 genfs_gop_write() at netbsd:genfs_gop_write+0x52 
 genfs_do_putpages() at netbsd:genfs_do_putpages+0x7ca 
 VOP_PUTPAGES() at netbsd:VOP_PUTPAGES+0x3a 
 ffs_write() at netbsd:ffs_write+0x354 
 VOP_WRITE() at netbsd:VOP_WRITE+0x37 
 vn_write() at netbsd:vn_write+0xec 
 dofilewrite() at netbsd:dofilewrite+0x97 
 sys_write() at netbsd:sys_write+0x5f 
 syscall() at netbsd:syscall+0x9a 
 --- syscall (number 4) --- 
 7f7ff743c1ca: 
 cpu1: End traceback...
 
 
 --=-orGQHyNbRGOJeB+9ME+T
 Content-Type: text/html; charset="utf-8"
 
 <html><head></head><body>One more panic for you, recursive this time:<div><br></div><div><p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">uvm_fault(0xffffffff810b16c0, 0xffff80008e8ae000, 1) -&gt; e</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">fatal page fault in supervisor mode</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">trap type 6 code 0 rip ffffffff809ccb04 cs 8 rflags 10206 cr2 ffff80008e8aeff8 ilevel 8 rsp fffffe810fa917c0</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">curlwp 0xfffffe81cccdeb60 pid 402.1 lowest kstack 0xfffffe810fa8f2c0</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">panic: trap</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">cpu1: Begin traceback...</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">vpanic() at netbsd:vpanic+0x13c</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">snprintf() at netbsd:snprintf</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">startlwp() at netbsd:startlwp</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">alltraps() at netbsd:alltraps+0x96</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ld_virtio_start() at netbsd:ld_virtio_start+0x14b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ldstart() at netbsd:ldstart+0x6b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ldstrategy() at netbsd:ldstrategy+0x101</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">bdev_strategy() at netbsd:bdev_strategy+0x5b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">spec_strategy() at netbsd:spec_strategy+0x2c</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x33</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">genfs_do_io() at netbsd:genfs_do_io+0x195</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">genfs_gop_write() at netbsd:genfs_gop_write+0x52</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">genfs_do_putpages() at netbsd:genfs_do_putpages+0x7ca</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">VOP_PUTPAGES() at netbsd:VOP_PUTPAGES+0x3a</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ffs_write() at netbsd:ffs_write+0x354</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">VOP_WRITE() at netbsd:VOP_WRITE+0x37</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">vn_write() at netbsd:vn_write+0xec</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dofilewrite() at netbsd:dofilewrite+0x97</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">sys_write() at netbsd:sys_write+0x5f</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">syscall() at netbsd:syscall+0x9a</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">--- syscall (number 4) ---</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">7f7ff743c1ca:</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">cpu1: End traceback...</p></div><div><br></div><div><p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dumping to dev 19,1 (offset=2135, size=2097023):</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dump uvm_fault(0xffffffff810b16c0, 0xffff80008e8ae000, 1) -&gt; e</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">fatal page fault in supervisor mode</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">trap type 6 code 0 rip ffffffff809ccb04 cs 8 rflags 10206 cr2 ffff80008e8aeff8 ilevel 8 rsp fffffe810fa912a0</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">curlwp 0xfffffe81cccdeb60 pid 402.1 lowest kstack 0xfffffe810fa8f2c0</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">Skipping crash dump on recursive panic</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">panic: trap</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">cpu1: Begin traceback...</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">vpanic() at netbsd:vpanic+0x13c</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">snprintf() at netbsd:snprintf</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">startlwp() at netbsd:startlwp</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">alltraps() at netbsd:alltraps+0x96</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ld_virtio_start() at netbsd:ld_virtio_start+0x14b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ldstart() at netbsd:ldstart+0x6b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">lddone() at netbsd:lddone+0xac</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ld_virtio_dump() at netbsd:ld_virtio_dump+0x2aa</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">lddump() at netbsd:lddump+0x149</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dump_header_flush() at netbsd:dump_header_flush+0x4f</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dump_header_addbytes() at netbsd:dump_header_addbytes+0x46</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dump_header_addseg() at netbsd:dump_header_addseg+0x1e</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dump_seg_iter() at netbsd:dump_seg_iter+0xce</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">cpu_dump() at netbsd:cpu_dump+0x6a</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dodumpsys() at netbsd:dodumpsys+0xfb</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dumpsys() at netbsd:dumpsys+0x1d</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">vpanic() at netbsd:vpanic+0x145</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">snprintf() at netbsd:snprintf</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">startlwp() at netbsd:startlwp</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">alltraps() at netbsd:alltraps+0x96</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ld_virtio_start() at netbsd:ld_virtio_start+0x14b</p></div><div><p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ldstart() at netbsd:ldstart+0x6b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ldstrategy() at netbsd:ldstrategy+0x101</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">bdev_strategy() at netbsd:bdev_strategy+0x5b</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">spec_strategy() at netbsd:spec_strategy+0x2c</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x33</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">genfs_do_io() at netbsd:genfs_do_io+0x195</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">genfs_gop_write() at netbsd:genfs_gop_write+0x52</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">genfs_do_putpages() at netbsd:genfs_do_putpages+0x7ca</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">VOP_PUTPAGES() at netbsd:VOP_PUTPAGES+0x3a</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">ffs_write() at netbsd:ffs_write+0x354</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">VOP_WRITE() at netbsd:VOP_WRITE+0x37</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">vn_write() at netbsd:vn_write+0xec</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">dofilewrite() at netbsd:dofilewrite+0x97</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">sys_write() at netbsd:sys_write+0x5f</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">syscall() at netbsd:syscall+0x9a</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">--- syscall (number 4) ---</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">7f7ff743c1ca:</p>
 <p style="margin: 0px; font-size: 18px; line-height: normal; font-family: Menlo;">cpu1: End traceback...</p></div><div><br></div></body></html>
 --=-orGQHyNbRGOJeB+9ME+T--
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