From: bugzilla-daemon@bugzilla.kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 207877] New: ASMedia drive (174c:55aa) hangs in ioctl CDROM_DRIVE_STATUS when mounting a DVD
Date: Sun, 24 May 2020 16:50:58 +0000 [thread overview]
Message-ID: <bug-207877-11613@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=207877
Bug ID: 207877
Summary: ASMedia drive (174c:55aa) hangs in ioctl
CDROM_DRIVE_STATUS when mounting a DVD
Product: IO/Storage
Version: 2.5
Kernel Version: 5.6.14-arch1-1
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: SCSI
Assignee: linux-scsi@vger.kernel.org
Reporter: zfigura@codeweavers.com
Regression: No
Created attachment 289267
--> https://bugzilla.kernel.org/attachment.cgi?id=289267&action=edit
dmesg including backtrace of hang
The device has USB vendor/product 174c:55aa, and is described by its USB
product string as "ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge,
ASM1153 SATA 3Gb/s bridge, ASM1153E SATA 6Gb/s bridge".
When attempting to mount via "mount /dev/sr0 /mnt", strace shows the following
sequence (tail of log):
openat(AT_FDCWD, "/dev/sr0", O_RDONLY|O_NONBLOCK|O_CLOEXEC) = 3
fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(0xb, 0), ...}) = 0
ioctl(3, BLKGETSIZE64, [8351399936]) = 0
openat(AT_FDCWD, "/sys/dev/block/11:0", O_RDONLY|O_CLOEXEC) = 4
openat(4, "dm/uuid", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
close(4) = 0
openat(AT_FDCWD, "/sys/dev/block/11:0", O_RDONLY|O_CLOEXEC) = 4
faccessat(4, "partition", F_OK) = -1 ENOENT (No such file or directory)
openat(4, "dm/uuid", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
close(4) = 0
ioctl(3, CDROM_GET_CAPABILITY, 0) = 2227183
ioctl(3, CDROM_DRIVE_STATUS
The last ioctl hangs in the kernel forever. mount cannot be killed even with
SIGKILL. dmesg shows a hang in multiple kernel thread which has been attached.
This problem occurs with at least one DVD I have tested, but I was able to
successfully mount, access, and unmount another CD-ROM.
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next reply other threads:[~2020-05-24 16:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-24 16:50 bugzilla-daemon [this message]
2020-05-24 18:30 ` [Bug 207877] ASMedia drive (174c:55aa) hangs in ioctl CDROM_DRIVE_STATUS when mounting a DVD bugzilla-daemon
2020-05-24 20:57 ` bugzilla-daemon
2020-05-24 23:48 ` bugzilla-daemon
2020-05-28 16:28 ` bugzilla-daemon
2020-05-28 19:29 ` bugzilla-daemon
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