linux-kernel - Re: RIP: 0010:xhci_ring_expansion+0xbd/0x380 [xhci

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Message-ID: <999aa1d0-4e21-412f-bf1d-bcfbb274a122@molgen.mpg.de>
Date: Thu, 19 Dec 2024 01:02:27 +0100
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Mathias Nyman <mathias.nyman@...ux.intel.com>,
 Mathias Nyman <mathias.nyman@...el.com>
Cc: linux-usb@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
 Niklas Neronin <niklas.neronin@...ux.intel.com>
Subject: Re: RIP: 0010:xhci_ring_expansion+0xbd/0x380 [xhci_hcd]

Dear Mathias,


Am 18.12.24 um 10:43 schrieb Mathias Nyman:
> On 17.12.2024 23.57, Paul Menzel wrote:

>> Attaching a 2 TB external disk to the right port of the Dell XPS 13 
>> 9360 and running `sudo mkfs.ext4 -L "Verbatim HD" /dev/sda1` the 
>> command does not complete and the system finally locks up and has to 
>> be hard reset:
>>
>> ```
>> [    0.000000] Linux version 6.13.0-rc3-00017-gf44d154d6e3d (build@...emianrhapsody.molgen.mpg.de) (gcc (Debian 14.2.0-8) 14.2.0, GNU ld (GNU Binutils for Debian) 2.43.50.20241210) #42 SMP PREEMPT_DYNAMIC Tue Dec 17 11:17:55 CET 2024
>> […]
>> [    0.000000] DMI: Dell Inc. XPS 13 9360/0596KF, BIOS 2.21.0 06/02/2022
> 
> There was a regression in 6.13-rc1 xhci ring expansion.

Yes, I found it this morning and replied to my report.

> Fix is now in Greg's usb tree on its way to 6.13.
> 
> Patch:
> https://lore.kernel.org/linux-usb/20241217102122.2316814-3-mathias.nyman@linux.intel.com/
> 
> Gregs usb-linus branch:
> https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?h=usb-linus&id=b9252f80b807801056e67e3a672fb1be0ecb81d
> 
> Does this patch solve your mkfs case as well?

Yes, after applying both patches from the series, the problem is *not* 
reproducible.

Tested-by: Paul Menzel <pmenzel@...gen.mpg.de>


Kind regards,

Paul