Re: Bug#1107479: util-linux: blkid hangs forever after inserting a DVD-RAM
Control: reassign -1 src:linux
On Sun, Jun 08, 2025 at 08:59:22AM +0200, Roland Sommer wrote:
> blkid works all the time as expected but hangs forever after inserting any DVD-
> RAM in the drive. dmesg then reports every approx. 120s (up to 10 times):
>
> [ 363.635218] INFO: task blkid:2224 blocked for more than 120 seconds.
> [ 363.635232] Tainted: P OE 6.1.0-37-amd64 #1 Debian
> 6.1.140-1
> [ 363.635235] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
> message.
> [ 363.635238] task:blkid state:D stack:0 pid:2224 ppid:2216
> flags:0x00004002
> [ 363.635245] Call Trace:
> [ 363.635247] <TASK>
> [ 363.635252] __schedule+0x34d/0x9e0
> [ 363.635266] schedule+0x5a/0xd0
> [ 363.635271] schedule_preempt_disabled+0x11/0x20
> [ 363.635276] __mutex_lock.constprop.0+0x399/0x700
> [ 363.635283] pkt_ioctl+0x42/0x120 [pktcdvd]
> [ 363.635294] pkt_ioctl+0xce/0x120 [pktcdvd]
> [ 363.635302] ? do_syscall_64+0x61/0xb0
> [ 363.635308] ? do_filp_open+0xaf/0x160
> [ 363.635313] blkdev_ioctl+0x133/0x270
Looks like pktcdvd isn't returning to userspace. Reassigning to the
kernel, as blkid won't be able to do anything about that. Might also
be a hardware issue if it works elsewhere?
Chris
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