Bug#908924: dma_direct_map_sg: overflow on USB access after upgrade to kernel 4.18
Hi
On Sat, Sep 15, 2018 at 09:12:03PM -0700, Nemo Inis wrote:
> Package: src:linux
> Version: 4.18.6-1
> Severity: important
>
> Dear Maintainer,
>
> Plugged my Kobo eReader's USB plug into a machine just upgraded from kernel
> 4.17 (4.17.17-1) to 4.18 (4.18.6-1), and got 112,738,316 kernel messages in the
> the system log:
>
> kernel: ehci-pci 0000:00:1a.7: dma_direct_map_sg: overflow
> 0x0000000216f3c000+4096 of device mask ffffffff
>
> Downgrading to 4.17 fixes this.
>
> Relevant lspci output:
>
> 00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
> Controller #2 (rev 02) (prog-if 20 [EHCI])
> Subsystem: Gigabyte Technology Co., Ltd 82801I (ICH9 Family) USB2 EHCI
> Controller
> Flags: bus master, medium devsel, latency 0, IRQ 18
> Memory at fb204000 (32-bit, non-prefetchable) [size=1K]
> Capabilities: [50] Power Management version 2
> Kernel driver in use: ehci-pci
> Kernel modules: ehci_pci
>
>
> I think this is https://bugzilla.kernel.org/show_bug.cgi?id=200709
Does the issue still happens with the current version in experimental
(4.19~rc3-1~exp1)?
Regards,
Salvatore
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