Control: tag -1 + moreinfo Hello,
On Tue, Oct 20, 2026 at 09:30:09PM +0800, 杨统勋 wrote:
> Package: src:linux
Please report this bug against linux-image-$(uname -r). The upside is
that reportbug then collects some relevant info and adds it to the
report. Can you please follow up with this information by running
reportbug -N 1151392
(At least for me this generates a mail with the information, but maybe
that is only because I run a newer kernel. If that doesn't work, do
reportbug linux-image-$(uname -r)
select 1151392 in the bug list and provide a follow-up (using 'x').
> Version: 6.12.113-1
> Severity: normal
> Tags: upstream
>
> Dear Maintainer,
>
> Sierra Wireless EM7430 (USB 1199:9071) on a Panasonic Let's Note CF-SV8R11VS
> loses its MBIM channel repeatedly during the same boot. ModemManager 1.24.0
> reports 10 consecutive transaction timeouts on /dev/cdc-wdm0 (or ttyUSB2),
> declares the modem invalid and removes it, which drops mobile data.
>
> Environment:
> Debian 13 (trixie), linux-image 6.12.113-1, ModemManager 1.24.0
> Firmware SWI9X30C_02.33.03.00 (Panasonic OEM, PRI 002.072_001)
> SIM: China Unicom, APN 3gnet, AT+CPIN? -> READY
Is this a regression, i.e. did it work reliable with a previous (Debian)
kernel?
Best regards
Uwe
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