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   linux.debian.kernel      Debian kernel discussions      2,884 messages   

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   Message 2,857 of 2,884   
   Maik Nergert to All   
   Bug#1128834: linux-image-6.1.0-43-amd64:   
   23 Feb 26 15:50:01   
   
   XPost: linux.debian.bugs.dist   
   From: maik.nergert@uni-hamburg.de   
      
   Package: src:linux   
   Version: 6.1.162-1   
   Severity: normal   
      
   Dear Maintainer,   
      
   after upgrading from Linux 6.1.158 to 6.1.162, NFS client writes fail with   
   input/output errors (EIO).   
      
   Environment:   
   - Debian Bookworm   
   - Kernel: 6.1.0-43-amd64 (6.1.162-1)   
   - NFSv4.2 (also reproducible with 4.1)   
   - Default mount options include rsize=1048576,wsize=1048576   
      
   Reproducer:   
   dd if=/dev/zero of=~/testfile bs=1M count=500   
   or   
   dd if=/dev/zero of=~/testfile bs=4k count=100000   
      
   On different computers and VMs!   
      
      
   Result:   
   dd: closing output file: Input/output error   
      
   Workaround:   
   Mount with:   
   rsize=65536,wsize=65536   
      
   With reduced I/O size, the issue disappears completely.   
      
   Impact:   
   - File writes fail (file >1M)   
   - KDE Plasma crashes due to corrupted cache/config writes   
      
   The issue does NOT occur on kernel 6.1.0-42 (6.1.158).   
      
   -- Package-specific info:   
   ** Version:   
   Linux version 6.1.0-43-amd64 (debian-kernel@lists.debian.org) (gcc-12 (Debian   
   12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP   
   PREEMPT_DYNAMIC Debian 6.1.162-1 (2026-02-08)   
      
   ** Command line:   
   BOOT_IMAGE=/boot/vmlinuz-6.1.0-43-amd64 root=UUID=416111a9-ddfd-   
   f65-b3a0-e77a3c548017 ro elevator=noop   
      
   ** Not tainted   
      
   ** Loaded modules:   
   rpcsec_gss_krb5   
   auth_rpcgss   
   nfsv4   
   dns_resolver   
   nfs   
   lockd   
   grace   
   fscache   
   netfs   
   snd_seq_dummy   
   snd_hrtimer   
   snd_seq   
   snd_seq_device   
   tls   
   qrtr   
   rfkill   
   sunrpc   
   binfmt_misc   
   snd_hda_intel   
   sha512_ssse3   
   sha512_generic   
   sha256_ssse3   
   nls_ascii   
   snd_intel_dspcfg   
   sha1_ssse3   
   snd_intel_sdw_acpi   
   nls_cp437   
   snd_hda_codec   
   snd_hda_core   
   snd_hwdep   
   snd_pcm   
   bochs   
   vfat   
   fat   
   aesni_intel   
   snd_timer   
   iTCO_wdt   
   drm_vram_helper   
   intel_pmc_bxt   
   crypto_simd   
   drm_ttm_helper   
   iTCO_vendor_support   
   ttm   
   snd   
   cryptd   
   pcspkr   
   watchdog   
   virtio_rng   
   virtio_balloon   
   virtio_console   
   drm_kms_helper   
   soundcore   
   button   
   sg   
   joydev   
   evdev   
   serio_raw   
   msr   
   parport_pc   
   ppdev   
   lp   
   parport   
   loop   
   fuse   
   drm   
   dm_mod   
   efi_pstore   
   configfs   
   efivarfs   
   qemu_fw_cfg   
   ip_tables   
   x_tables   
   autofs4   
   ext4   
   crc16   
   mbcache   
   jbd2   
   crc32c_generic   
   hid_generic   
   usbhid   
   hid   
   sd_mod   
   t10_pi   
   crc64_rocksoft   
   crc64   
   crc_t10dif   
   crct10dif_generic   
   ahci   
   crct10dif_common   
   libahci   
   virtio_net   
   libata   
   net_failover   
   virtio_scsi   
   failover   
   scsi_mod   
   psmouse   
   crc32c_intel   
   scsi_common   
   virtio_pci   
   i2c_i801   
   uhci_hcd   
   ehci_pci   
   virtio_pci_legacy_dev   
   i2c_smbus   
   virtio_pci_modern_dev   
   ehci_hcd   
   virtio   
   virtio_ring   
   lpc_ich   
   usbcore   
   usb_common   
      
   -- System Information:   
   Debian Release: 12.13   
     APT prefers oldstable-updates   
     APT policy: (500, 'oldstable-updates'), (500, 'oldstable-security'), (500,   
   'oldstable')   
   Architecture: amd64 (x86_64)   
      
   Kernel: Linux 6.1.0-43-amd64 (SMP w/8 CPU threads; PREEMPT)   
   Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE not set   
   Shell: /bin/sh linked to /usr/bin/dash   
   Init: systemd (via /run/systemd/system)   
   LSM: AppArmor: enabled   
      
   Versions of packages linux-image-6.1.0-43-amd64 depends on:   
   ii  initramfs-tools [linux-initramfs-tool]  0.142+deb12u3   
   ii  kmod                                    30+20221128-1   
   ii  linux-base                              4.9   
      
   Versions of packages linux-image-6.1.0-43-amd64 recommends:   
   ii  apparmor             3.0.8-3   
   ii  firmware-linux-free  20200122-1   
      
   Versions of packages linux-image-6.1.0-43-amd64 suggests:   
   pn  debian-kernel-handbook     
   ii  grub-efi-amd64          2.06-13+deb12u1   
   pn  linux-doc-6.1              
      
   Versions of packages linux-image-6.1.0-43-amd64 is related to:   
   ii  firmware-amd-graphics     20230210-5   
   pn  firmware-atheros             
   ii  firmware-bnx2             20230210-5   
   ii  firmware-bnx2x            20230210-5   
   pn  firmware-brcm80211           
   pn  firmware-cavium              
   pn  firmware-intel-sound         
   pn  firmware-intelwimax          
   pn  firmware-ipw2x00             
   pn  firmware-ivtv                
   pn  firmware-iwlwifi             
   pn  firmware-libertas            
   ii  firmware-linux-nonfree    20230210-5   
   ii  firmware-misc-nonfree     20230210-5   
   pn  firmware-myricom             
   pn  firmware-netxen              
   pn  firmware-qlogic              
   pn  firmware-realtek             
   pn  firmware-samsung             
   pn  firmware-siano               
   pn  firmware-ti-connectivity     
   pn  xen-hypervisor               
      
   -- no debconf information   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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