(Adding robert@ on CC, forgot to do that on the initial email.)
On Sun, Sep 15, 2024 at 09:02:11PM +1000, Jonathan Gray wrote:
> On Sun, Sep 15, 2024 at 07:57:09PM +1000, Jonathan Gray wrote:
> > On Sun, Sep 15, 2024 at 11:37:18AM +0200, Caspar Schutijser wrote:
> > > Hi,
> > >
> > > On my M1, tabs in Chromium immediately show "Aw, Snap!" with
> > > "Error code: SIGSEGV" when a tab is opened (so also immediately on the
> > > first tab that's opened when starting the browser, without any
> > > interaction beyond starting the browser). This applies to all three
> > > Chromium variants that are available in the ports tree. Below is
> > > console output of Chromium, a part of the ktrace dump
> > > (surrounding the SIGSEGVs), the versions of the Chromium browsers
> > > that I currently have on my system, and a dmesg.
> > >
> > > A couple of weeks ago (perhaps 2 or 3 weeks ago) they were still working
> > > fine. Let me know if I can provide more information.
> > >
> > > Caspar
> >
> > ..
> >
> > > chrome:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol
> > > 'blake3_hash_many_neon'
> >
> > untested diff for that
>
> fixes undefined symbol but still SIGSEGVs on M1
Indeed, that is what I found too. Here is what the ktrace looks like
now.
$ ktrace -i chrome
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
[15972:76802963448:0915/125848.987902:ERROR:viz_main_impl.cc(166)] Exiting GPU
process due to errors during initialization
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
[45294:42849372152:0915/125850.518149:ERROR:viz_main_impl.cc(166)] Exiting GPU
process due to errors during initialization
MESA-LOADER: failed to open zink: File not found (search paths
/usr/X11R6/lib/modules/dri, suffix _dri)
failed to load driver: zink
[87280:89088215032:0915/125850.964038:ERROR:angle_platform_impl.cc(44)]
vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_surface
ERR: vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_surface
[87280:89088215032:0915/125850.964172:ERROR:angle_platform_impl.cc(44)]
vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_xcb_surface
ERR: vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_xcb_surface
[87280:89088215032:0915/125850.964269:ERROR:angle_platform_impl.cc(44)]
Display.cpp:1083 (initialize): ANGLE Display::initialize error 0: Internal
Vulkan error (-7): A requested extension is not supported, in
../../third_party/angle/src/libANGLE/renderer/vulkan/vk_renderer.cpp,
enableInstanceExtensions:1780.
ERR: Display.cpp:1083 (initialize): ANGLE Display::initialize error 0: Internal
Vulkan error (-7): A requested extension is not supported, in
../../third_party/angle/src/libANGLE/renderer/vulkan/vk_renderer.cpp,
enableInstanceExtensions:1780.
[87280:89088215032:0915/125850.964435:ERROR:gl_display.cc(497)] EGL Driver
message (Critical) eglInitialize: Internal Vulkan error (-7): A requested
extension is not supported, in
../../third_party/angle/src/libANGLE/renderer/vulkan/vk_renderer.cpp,
enableInstanceExtensions:1780.
[87280:89088215032:0915/125850.964493:ERROR:gl_display.cc(767)] eglInitialize
SwANGLE failed with error EGL_NOT_INITIALIZED
[87280:89088215032:0915/125850.964581:ERROR:gl_display.cc(801)] Initialization
of all EGL display types failed.
[87280:89088215032:0915/125850.964622:ERROR:gl_ozone_egl.cc(26)]
GLDisplayEGL::Initialize failed.
[87280:89088215032:0915/125851.032738:ERROR:angle_platform_impl.cc(44)]
vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_surface
ERR: vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_surface
[87280:89088215032:0915/125851.032820:ERROR:angle_platform_impl.cc(44)]
vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_xcb_surface
ERR: vk_renderer.cpp:180 (VerifyExtensionsPresent): Extension not supported:
VK_KHR_xcb_surface
[87280:89088215032:0915/125851.032942:ERROR:angle_platform_impl.cc(44)]
Display.cpp:1083 (initialize): ANGLE Display::initialize error 0: Internal
Vulkan error (-7): A requested extension is not supported, in
../../third_party/angle/src/libANGLE/renderer/vulkan/vk_renderer.cpp,
enableInstanceExtensions:1780.
ERR: Display.cpp:1083 (initialize): ANGLE Display::initialize error 0: Internal
Vulkan error (-7): A requested extension is not supported, in
../../third_party/angle/src/libANGLE/renderer/vulkan/vk_renderer.cpp,
enableInstanceExtensions:1780.
[87280:89088215032:0915/125851.033058:ERROR:gl_display.cc(497)] EGL Driver
message (Critical) eglInitialize: Internal Vulkan error (-7): A requested
extension is not supported, in
../../third_party/angle/src/libANGLE/renderer/vulkan/vk_renderer.cpp,
enableInstanceExtensions:1780.
[87280:89088215032:0915/125851.033105:ERROR:gl_display.cc(767)] eglInitialize
SwANGLE failed with error EGL_NOT_INITIALIZED
[87280:89088215032:0915/125851.033140:ERROR:gl_display.cc(801)] Initialization
of all EGL display types failed.
[87280:89088215032:0915/125851.033173:ERROR:gl_ozone_egl.cc(26)]
GLDisplayEGL::Initialize failed.
[87280:89088215032:0915/125851.043682:ERROR:viz_main_impl.cc(166)] Exiting GPU
process due to errors during initialization
$ kdump | grep 'PSIG SIGSEG'
18584 chrome PSIG SIGSEGV SIG_DFL code=SEGV_MAPERR addr=0xccc750bfe2dbdc15
trapno=-1845493756
56353 chrome PSIG SIGSEGV SIG_DFL code=SEGV_MAPERR addr=0x4ad05f0a4c2a008b
trapno=-1845493756
$ kdump | grep -B40 -A10 'PSIG SIGSEG'
2658 chrome CALL close(123)
2658 chrome RET close 0
56353 chrome CALL sendto(5,0x1073d6c0f0,0x50,0x400<MSG_NOSIGNAL>,0,0)
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome GIO fd 5 wrote 80 bytes
"\b\0\0\0P\0\0\0\^X\0"\0\0\0\0\0\^F\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0000\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\^[\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^F\0\0@\0\0\0\0\0\0\0\0\0\0\0"
56353 chrome RET sendto 80/0x50
56353 chrome RET mmap 69031477248/0x101298c000
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome RET mmap 69186248704/0x101bd26000
2658 chrome CALL munmap(0x1d7a53e000,0x1000)
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome CALL kevent(12,0,0,0x10563da000,64,0x10b4d52950)
56353 chrome RET mmap 70755360768/0x1079592000
56353 chrome STRU struct timespec { 0 }
2658 chrome RET munmap 0
56353 chrome STRU struct kevent { ident=5, filter=EVFILT_READ,
flags=0x1<EV_ADD>, fflags=0<>, data=1184, udata=0x10461c3600 }
56353 chrome RET kevent 1
56353 chrome CALL recvmsg(5,0x10b4d525c0,0x80<MSG_DONTWAIT>)
2658 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome GIO fd 5 read 872 bytes
"\b\0\^A\0h\^A\0\0\^X\0\^T\0\0\0\0\0\^C\0\0\0\0\0\0\0
\^A\0\0\0\0\0\0H\0\0\0\0\0\0\0\^V\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\M-(\0\0\0\M-8\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0H\0\0\0@\0\0\0\^X\0\0\0\0\0\0\0\0\0\0\0kj|3\0\0\0\0\^YhGZ\^X\0\0\0\0\0\0\0\
\^P\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^P\0\0\0\^B\0\0\0\^A\0\0\0\0\0\0\0h\0\0\0\^A\0\0\0\0\0\0\0\0\0\0\0\^W\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\M^@\^E\0\0@\0\0\0\^X\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\^B\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
\0\0\0\0\^P\0\0\0\^A\0\0\0000\^A\0\0\0\0\^A\0000\0\0\0(\0\0\0\b\0\0\0\^A\0\0\0
\0\0\0\0\0
\0\^B\0\0\0\0\0\0\0\M-I\M-dp\M^]H\aY\M-)f\M-&\M-D,\M^Fx;/\b\0\0\0\240\0\0\0\^X\0\^T\0\0\0\0\0\^D\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^X\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\
\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\08\0\0\0000\0\0\0
\0\0\0\^A\0\0\0\0\0\0\0\M-sG
(\^A\0\0\0\^XhGZ\^A\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\b\0\0\0`\^A\0\0\^X\0\^T\0\0\0\0\0\^E\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\^B\0\0\0\0\0\0\0\0\0\0\0\^A\0\
\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\M-`\0\0\0\M-p\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\M^@\0\0\0x\0\0\0\^X\0\0\0\0\0\0\0\0\0\0\0\M-7\M-h\M-N
\0\0\0\0\bhGZ\^P\0\0\0\0\0\0\0\b\0\0\0\0\0\0\0\^X\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0005\0\0\0-\0\0\0visitedlink.mojom.VisitedLinkNotificati\
onSink\0\0\0\^P\0\0\0\^A\0\0\0\0\0\0\0\0\0\0\0h\0\0\0\^A\0\0\0\0\0\0\0\0\0\0\0\^Y\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\M-@\^E\0\0@\0\0\0\^Z\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\^B\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome STRU struct cmsghdr { len=20, level=SOL_SOCKET,
type=SCM_RIGHTS, data=16 }
2658 chrome RET mmap 129344495616/0x1e1d886000
56353 chrome STRU struct msghdr { name=0x0, namelen=0, iov=0x10b4d52800,
iovlen=1, control=0x10b4d525f0, controllen=20, flags=0x80<MSG_DONTWAIT> }
56353 chrome RET mmap 69556727808/0x1031e77000
56353 chrome STRU struct iovec { base=0x1034c53368, len=3224 }
56353 chrome RET recvmsg 872/0x368
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome RET mmap 71904100352/0x10bdd18000
2658 chrome CALL sendto(104,0x1e1319a000,0x150,0x400<MSG_NOSIGNAL>,0,0)
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome CALL fcntl(16,F_GETFL)
56353 chrome RET mmap 70042214400/0x104ed76000
18584 chrome PSIG SIGSEGV SIG_DFL code=SEGV_MAPERR addr=0xccc750bfe2dbdc15
trapno=-1845493756
2658 chrome GIO fd 104 wrote 336 bytes
"\b\0\0\0P\^A\0\0\^X\0\^T\0\0\0\0\0\a\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\M-P\0\0\0\M-`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0p\0\0\0h\0\0\0\^X\0\0\0\0\0\0\0\0\0\0\0\M-7\M-h\M-N
\0\0\0\0
hGZ\^P\0\0\0\0\0\0\0\b\0\0\0\0\0\0\0\^X\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0%\0\0\0\^]\0\0\0spellcheck.mojom.SpellChecker\0\0\0\^P\0\0\0\^A\0\0\0\0\0\0\0\0\0\0\0h\0\0\0\^A\0\0\0\^A\0\0\0\0\0\0\0\^\\0\0\0\0\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
\0\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
56353 chrome RET fcntl 2
2658 chrome RET sendto 336/0x150
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
18584 chrome NAMI "chrome.core"
2658 chrome CALL sendmsg(104,0x1d97d68cd0,0x400<MSG_NOSIGNAL>)
--
56353 chrome CALL munmap(0x10a2356000,0x2000)
56353 chrome STRU struct timespec { 0 }
2658 chrome GIO fd 104 wrote 160 bytes
"\b\0\0\0\240\0\0\0\^X\0\^T\0\0\0\0\0\^[\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\^O\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\08\0\0\0000\0\0\0\^X\0\0\0\0\0\0\0\^B\0\0\M^@\M-!>g6\0\0\0\0\^ZhGZ\^X\0\0\0\0\0\
\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\M-p\^?"
56353 chrome RET munmap 0
56353 chrome STRU struct kevent { ident=5, filter=EVFILT_READ,
flags=0x1<EV_ADD>, fflags=0<>, data=480, udata=0x10461c3600 }
2658 chrome RET sendto 160/0xa0
56353 chrome CALL
futex(0x10985e5b40,0x82<FUTEX_WAKE|FUTEX_PRIVATE_FLAG>,1,0,0)
56353 chrome RET kevent 1
56353 chrome RET futex 0
56353 chrome CALL recvmsg(5,0x10b4d525c0,0x80<MSG_DONTWAIT>)
56353 chrome GIO fd 5 read 480 bytes
"\b\0\0\0\M^X\0\0\0\^X\0\^T\0\0\0\0\0\^Y\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\r\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0000\0\0\0(\0\0\0\^X\0\0\0\0\0\0\0\^B\0\0\M^@\M-M_\M^OZ\0\0\0\0\^WhGZ\^P\0\0\0\0\
\0\0\0\0\0\0\0\^A\0\0\0\b\0\0\0\M-(\0\0\0\^X\0\^T\0\0\0\0\0\^Z\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\^N\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0@\0\0\08\0\0\0\^X\0\0\0\0\0\0\0\^B\0\0\M^@\M->\M-~SI\0\0\
\0\0\^[hGZ\^P\0\0\0\0\0\0\0\b\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\b\0\0\0\240\0\0\0\^X\0\^T\0\0\0\0\0\^[\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\^O\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\08\0\
\0\0000\0\0\0\^X\0\0\0\0\0\0\0\^B\0\0\M^@\M-!>g6\0\0\0\0\^ZhGZ\^X\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\M-p\^?"
56353 chrome CALL
mmap(0,0x2000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
2658 chrome CALL sendto(104,0x1d7b4ca270,0xd0,0x400<MSG_NOSIGNAL>,0,0)
56353 chrome STRU struct msghdr { name=0x0, namelen=0, iov=0x10b4d52800,
iovlen=1, control=0x10b4d525f0, controllen=0, flags=0x80<MSG_DONTWAIT> }
56353 chrome RET mmap 70916902912/0x1082fa1000
56353 chrome STRU struct iovec { base=0x1034c531e0, len=3616 }
56353 chrome CALL mprotect(0x1082fa2000,0x1000,0<PROT_NONE>)
56353 chrome RET recvmsg 480/0x1e0
56353 chrome RET mprotect 0
2658 chrome GIO fd 104 wrote 208 bytes
"\b\0\0\0\M-P\0\0\0\^X\0\^T\0\0\0\0\0\^\\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0h\0\0\0`\0\0\0\^X\0\0\0\0\0\0\0\^B\0\0\M^@T\^?1\0\0\0\0\0\^]hGZ(\0\0\0\0\0\0\0\
\^E\0\0\0\0\0\0\0\^X\0\0\0\0\0\0\0
\0\0\0\0\0\0\0\0\0\0\0\0\M-$\M^^@\^P\0\0\0\0\0\0\08\M-A\^A\0\0\0\0\0\^P\0\0\0\0\0\0\0\M-X\M-V\0\0\0\0\0\0"
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome CALL munmap(0x1082fa1000,0x2000)
2658 chrome RET sendto 208/0xd0
56353 chrome RET mmap 71946584064/0x10c059c000
56353 chrome RET munmap 0
56353 chrome CALL
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
56353 chrome CALL mprotect(0x44001c1000,0x1e000,0x3<PROT_READ|PROT_WRITE>)
56353 chrome RET mmap 68371968000/0xfeb497000
56353 chrome RET mprotect 0
2658 chrome CALL sendto(104,0x1dc10e4000,0x100,0x400<MSG_NOSIGNAL>,0,0)
56353 chrome CALL kevent(12,0,0,0x10563da000,64,0x10b4d52950)
56353 chrome STRU struct timespec { 0 }
56353 chrome PSIG SIGSEGV SIG_DFL code=SEGV_MAPERR addr=0x4ad05f0a4c2a008b
trapno=-1845493756
56353 chrome STRU struct kevent { ident=5, filter=EVFILT_READ,
flags=0x1<EV_ADD>, fflags=0<>, data=464, udata=0x10461c3600 }
2658 chrome GIO fd 104 wrote 256 bytes
"\b\0\0\0\0\^A\0\0\^X\0\^T\0\0\0\0\0\^]\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\^Q\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\M^X\0\0\0\M^P\0\0\0000\0\0\0\^B\0\0\0\^A\0\0\M^@o\M-Q&t\0\0\0\0\^\hGZ\0\0\0\0\0\
\0\0\0\^P\0\0\0\0\0\0\0X\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\b\0\0\0\0\0\0\0\^X\0\0\0\0\0\0\0\^P\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0!\0\0\0\^Y\0\0\0extensions.mojom.Renderer\0\0\0\0\0\0\0\f\0\0\0\^A\0\0\0\^Z\0\0\M^@\0\0\0\0"
56353 chrome RET kevent 1
2658 chrome RET sendto 256/0x100
56353 chrome NAMI "chrome.core"
2658 chrome CALL sendto(104,0x1d731f00a0,0x98,0x400<MSG_NOSIGNAL>,0,0)
2658 chrome GIO fd 104 wrote 152 bytes
"\b\0\0\0\M^X\0\0\0\^X\0\^T\0\0\0\0\0\^^\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0H\0\0\0\0\0\0\0\^C\0\0\0\0\0\0\0\^R\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\0\0\0\0\0\0\0\0`\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0000\0\0\0(\0\0\0\^X\0\0\0\0\0\0\0\^Z\0\0\M^@\^S\M-})u\0\0\0\0\^^hGZ\^P\0\0\0\0\
airin$
