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Bug#894030: linux-image-4.15.0-2-amd64: kernel memory leak while recording with audacity

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  Bug#894030: linux-image-4.15.0-2-amd64: kernel memory leak while recording with audacity Bastian Blank <waldi@debian.org> - 2018-03-25 18:00 +0200
    Bug#894030: linux-image-4.15.0-2-amd64: kernel memory leak while recording with audacity Dominique Dumont <dod@debian.org> - 2018-03-25 18:30 +0200

#60557 — Bug#894030: linux-image-4.15.0-2-amd64: kernel memory leak while recording with audacity

Hi Dominique

On Sun, Mar 25, 2018 at 04:53:30PM +0200, Dominique Dumont wrote:
> ** Tainted: D (128)
>  * Kernel has oopsed before.

According to this, your kernel is not in the best of states.  Maybe you
want to read the fulle kernel log and see where this started?

> ** Kernel log:
> [   21.213920] BUG: unable to handle kernel paging request at 00005622367f22c0
> [   21.213924] IP: _raw_spin_lock_irqsave+0x1e/0x40
> [   21.213967] CPU: 7 PID: 2182 Comm: kworker/7:8 Tainted: G      D          4.15.0-2-amd64 #1 Debian 4.15.11-1

At least we have memory problems.

> [   25.107870] kdeconnectd[2444]: segfault at 0 ip 00007fc260e0df9c sp 00007fff9da609a0 error 4 in libQt5Network.so.5.9.2[7fc260cff000+183000]
> [   25.406991] kdeconnectd[2450]: segfault at 0 ip 00007f27aa111f9c sp 00007fff51850ee0 error 4 in libQt5Network.so.5.9.2[7f27aa003000+183000]
> [   25.818590] kdeconnectd[2455]: segfault at 0 ip 00007fd216d25f9c sp 00007fff780508e0 error 4 in libQt5Network.so.5.9.2[7fd216c17000+183000]
> [   26.022703] kdeconnectd[2460]: segfault at 0 ip 00007f2f18c86f9c sp 00007ffda7b17850 error 4 in libQt5Network.so.5.9.2[7f2f18b78000+183000]

You have broken binaries.

Bastian

-- 
A princess should not be afraid -- not with a brave knight to protect her.
		-- McCoy, "Shore Leave", stardate 3025.3

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#60558

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On dimanche 25 mars 2018 17:50:22 CEST you wrote:
> According to this, your kernel is not in the best of states.  Maybe you
> want to read the fulle kernel log and see where this started?

First oops is due to usb trouble:
Mar 25 12:48:25 gandalf kernel: [   21.212996] CPU: 7 PID: 2178 Comm: kworker/7:4 Not tainted 4.15.0-2-amd64 #1 Debian 4.15.11-1
Mar 25 12:48:25 gandalf kernel: [   21.212997] Hardware name: MSI MS-7A33/X370 SLI PLUS (MS-7A33), BIOS 3.B0 03/10/2018
Mar 25 12:48:25 gandalf kernel: [   21.213004] Workqueue: events do_submit_urb [smsusb]
Mar 25 12:48:25 gandalf kernel: [   21.213007] RIP: 0010:_raw_spin_lock_irqsave+0x1e/0x40
Mar 25 12:48:25 gandalf kernel: [   21.213009] RSP: 0018:ffffaea9c86afe08 EFLAGS: 00010046
Mar 25 12:48:25 gandalf kernel: [   21.213011] RAX: 0000000000000000 RBX: 0000000000000246 RCX: ffff93bb85d745f8
Mar 25 12:48:25 gandalf kernel: [   21.213012] RDX: 0000000000000001 RSI: ffff93bb85d74410 RDI: 00005622367f22c0
Mar 25 12:48:25 gandalf kernel: [   21.213014] RBP: 00005622367f22c0 R08: ffffffffb5845590 R09: ffffaea9c86afe78
Mar 25 12:48:25 gandalf kernel: [   21.213015] R10: 00000000000000d3 R11: 0000000000000040 R12: ffff93bb9ede5000
Mar 25 12:48:25 gandalf kernel: [   21.213017] R13: 0000000000000000 R14: ffff93bb895bfb00 R15: ffff93bb85d744f8
Mar 25 12:48:25 gandalf kernel: [   21.213019] FS:  0000000000000000(0000) GS:ffff93bb9edc0000(0000) knlGS:0000000000000000
Mar 25 12:48:25 gandalf kernel: [   21.213021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 25 12:48:25 gandalf kernel: [   21.213023] CR2: 00005622367f22c0 CR3: 00000003c7e98000 CR4: 00000000003406e0
Mar 25 12:48:25 gandalf kernel: [   21.213024] Call Trace:
Mar 25 12:48:25 gandalf kernel: [   21.213032]  get_entry+0x18/0x80 [smsmdtv]
Mar 25 12:48:25 gandalf kernel: [   21.213036]  smscore_getbuffer+0x2b/0xa0 [smsmdtv]
Mar 25 12:48:25 gandalf kernel: [   21.213041]  smsusb_submit_urb+0x94/0xd0 [smsusb]
Mar 25 12:48:25 gandalf kernel: [   21.213045]  process_one_work+0x17b/0x370
Mar 25 12:48:25 gandalf kernel: [   21.213049]  worker_thread+0x2e/0x390
Mar 25 12:48:25 gandalf kernel: [   21.213052]  ? process_one_work+0x370/0x370
Mar 25 12:48:25 gandalf kernel: [   21.213054]  kthread+0x113/0x130
Mar 25 12:48:25 gandalf kernel: [   21.213057]  ? kthread_create_worker_on_cpu+0x70/0x70
Mar 25 12:48:25 gandalf kernel: [   21.213059]  ret_from_fork+0x22/0x40

(a more complete log is attached to this mail)

> 
> > ** Kernel log:
> > [   21.213920] BUG: unable to handle kernel paging request at
> > 00005622367f22c0 [   21.213924] IP: _raw_spin_lock_irqsave+0x1e/0x40
> > [   21.213967] CPU: 7 PID: 2182 Comm: kworker/7:8 Tainted: G      D       
> >   4.15.0-2-amd64 #1 Debian 4.15.11-1
> At least we have memory problems.


> > [   25.107870] kdeconnectd[2444]: segfault at 0 ip 00007fc260e0df9c sp
> > 00007fff9da609a0 error 4 in libQt5Network.so.5.9.2[7fc260cff000+183000] [
> >   25.406991] kdeconnectd[2450]: segfault at 0 ip 00007f27aa111f9c sp
> > 00007fff51850ee0 error 4 in libQt5Network.so.5.9.2[7f27aa003000+183000] [
> >   25.818590] kdeconnectd[2455]: segfault at 0 ip 00007fd216d25f9c sp
> > 00007fff780508e0 error 4 in libQt5Network.so.5.9.2[7fd216c17000+183000] [
> >   26.022703] kdeconnectd[2460]: segfault at 0 ip 00007f2f18c86f9c sp
> > 00007ffda7b17850 error 4 in libQt5Network.so.5.9.2[7f2f18b78000+183000]
> You have broken binaries.

ok. I've removed kdeconnect. I don't need it in this machine.

I'll reboot and retry to record with audacity.

Thanks for the tips

-- 
https://github.com/dod38fr/config-model/ -o- http://search.cpan.org/~ddumont/
    http://ddumont.wordpress.com/        -o-   irc: dod at irc.debian.org

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