On Wed, Feb 02, 2022 at 03:44:48PM +0100, Wolfgang Walter wrote: > Am 2022-02-01 16:46, schrieb Greg KH: > > On Tue, Feb 01, 2022 at 04:31:29PM +0100, Wolfgang Walter wrote: > > > Hello, > > > > > > we found a regression in 5.15.17. When iwlwifi is loaded as a module > > > and it > > > cannot load a firmware it crashes: > > > > > > =================================================================== > > > Jan 28 19:05:01 kistchen kernel: [ 5.415151] Intel(R) Wireless WiFi > > > driver for Linux > > > Jan 28 19:05:01 kistchen kernel: [ 5.425600] iwlwifi > > > 0000:04:00.0: Direct > > > firmware load for iwlwifi-3160-17.ucode failed with error -2 > > > Jan 28 19:05:01 kistchen kernel: [ 5.425616] iwlwifi > > > 0000:04:00.0: no > > > suitable firmware found! > > > Jan 28 19:05:01 kistchen kernel: [ 5.425704] iwlwifi 0000:04:00.0: > > > iwlwifi-3160-17 is required > > > Jan 28 19:05:01 kistchen kernel: [ 5.425786] iwlwifi > > > 0000:04:00.0: check > > > git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git > > > Jan 28 19:05:01 kistchen kernel: [ 5.426226] general protection > > > fault, > > > probably for non-canonical address 0xd8e6d895001008: 0000 [#1] > > > PREEMPT SMP > > > PTI > > > Jan 28 19:05:01 kistchen kernel: [ 5.426324] CPU: 1 PID: 45 Comm: > > > kworker/1:1 Not tainted 5.15.17-aladebian64.all+1.2 #1 > > > Jan 28 19:05:01 kistchen kernel: [ 5.426411] Hardware name: ZOTAC > > > XXXXXX/XXXXXX, BIOS B301P017 04/06/2016 > > > Jan 28 19:05:01 kistchen kernel: [ 5.426493] Workqueue: events > > > request_firmware_work_func > > > Jan 28 19:05:01 kistchen kernel: [ 5.426587] RIP: > > > 0010:kfree+0x61/0x170 > > > Jan 28 19:05:01 kistchen kernel: [ 5.426670] Code: 80 48 01 e8 0f > > > 82 21 > > > 01 00 00 48 c7 c2 00 00 00 80 48 2b 15 01 f8 ee 00 48 01 d0 48 c1 e8 > > > 0c 48 > > > c1 e0 06 48 03 05 df f7 ee 00 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 > > > 0f 45 c1 > > > 48 8b 48 08 48 8d 51 > > > Jan 28 19:05:01 kistchen kernel: [ 5.426772] RSP: > > > 0018:ffffa54e002b3ce8 > > > EFLAGS: 00010007 > > > Jan 28 19:05:01 kistchen kernel: [ 5.426853] RAX: > > > 00d8e6d895001000 RBX: > > > 0000000000000206 RCX: 0000000000000000 > > > Jan 28 19:05:01 kistchen kernel: [ 5.426937] RDX: > > > 00007425c0000000 RSI: > > > ffffffffc0fd6ea6 RDI: 36415f5f0004000f > > > Jan 28 19:05:01 kistchen kernel: [ 5.427019] RBP: > > > 36415f5f0004000f R08: > > > ffffffffa80427c0 R09: ffffa54e002b3be0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.427102] R10: > > > 0000000000000000 R11: > > > 0000000000000000 R12: ffff8bdae10e6ab8 > > > Jan 28 19:05:01 kistchen kernel: [ 5.427184] R13: > > > ffff8bdae10e6800 R14: > > > ffff8bdac256c400 R15: ffff8bdc37cb5905 > > > Jan 28 19:05:01 kistchen kernel: [ 5.427267] FS: > > > 0000000000000000(0000) > > > GS:ffff8bdc37c80000(0000) knlGS:0000000000000000 > > > Jan 28 19:05:01 kistchen kernel: [ 5.427354] CS: 0010 DS: 0000 > > > ES: 0000 > > > CR0: 0000000080050033 > > > Jan 28 19:05:01 kistchen kernel: [ 5.427446] CR2: > > > 00007f934935c6f4 CR3: > > > 00000001077e2000 CR4: 00000000001006e0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.427541] Call Trace: > > > Jan 28 19:05:01 kistchen kernel: [ 5.427630] <TASK> > > > Jan 28 19:05:01 kistchen kernel: [ 5.427727] > > > iwl_dealloc_ucode+0x36/0x110 [iwlwifi] > > > Jan 28 19:05:01 kistchen kernel: [ 5.427873] > > > iwl_req_fw_callback+0x2d1/0x2330 [iwlwifi] > > > Jan 28 19:05:01 kistchen kernel: [ 5.428006] ? > > > ___cache_free+0x31/0x4b0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428108] ? > > > _request_firmware+0x3ff/0x780 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428205] ? kfree+0xa9/0x170 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428298] ? > > > _request_firmware+0x3ff/0x780 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428391] > > > request_firmware_work_func+0x4d/0x90 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428486] > > > process_one_work+0x1e8/0x3c0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428581] > > > worker_thread+0x50/0x3b0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428672] ? > > > process_one_work+0x3c0/0x3c0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428763] kthread+0x141/0x170 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428856] ? > > > set_kthread_struct+0x40/0x40 > > > Jan 28 19:05:01 kistchen kernel: [ 5.428948] > > > ret_from_fork+0x22/0x30 > > > Jan 28 19:05:01 kistchen kernel: [ 5.429044] </TASK> > > > Jan 28 19:05:01 kistchen kernel: [ 5.429130] Modules linked in: > > > ums_realtek(+) iwlwifi(+) snd_hda_intel uas usb_storage > > > snd_intel_dspcfg > > > sha512_ssse3 ttm snd_intel_sdw_acpi snd_hda_codec snd_hda_core > > > sha512_generic aesni_intel(+) drm_kms_helper snd_hwdep crypto_simd > > > intel_xhci_usb_role_switch cryptd sg roles cec snd_pcm intel_cstate > > > snd_timer mei_txe at24 snd iTCO_wdt rc_core cfg80211 intel_pmc_bxt > > > pcspkr > > > soundcore ctr iTCO_vendor_support mei i2c_algo_bit watchdog drbg > > > ansi_cprng > > > ecdh_generic(+) rfkill ecc pwm_lpss_platform pwm_lpss > > > intel_int0002_vgpio > > > button drm fuse configfs ip_tables x_tables autofs4 ext4 > > > crc32c_generic > > > crc16 mbcache jbd2 sd_mod t10_pi crc_t10dif crct10dif_generic ahci > > > libahci > > > xhci_pci sdhci_pci cqhci crct10dif_pclmul crct10dif_common libata > > > r8169 > > > i2c_i801 crc32_pclmul xhci_hcd realtek mdio_devres crc32c_intel > > > i2c_smbus > > > lpc_ich sdhci libphy scsi_mod usbcore usb_common scsi_common > > > mmc_core fan > > > i2c_hid_acpi i2c_hid video hid > > > Jan 28 19:05:01 kistchen kernel: [ 5.429595] ---[ end trace > > > aea59d2f4abcc392 ]--- > > > Jan 28 19:05:01 kistchen kernel: [ 5.429688] RIP: > > > 0010:kfree+0x61/0x170 > > > Jan 28 19:05:01 kistchen kernel: [ 5.429783] Code: 80 48 01 e8 0f > > > 82 21 > > > 01 00 00 48 c7 c2 00 00 00 80 48 2b 15 01 f8 ee 00 48 01 d0 48 c1 e8 > > > 0c 48 > > > c1 e0 06 48 03 05 df f7 ee 00 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 > > > 0f 45 c1 > > > 48 8b 48 08 48 8d 51 > > > Jan 28 19:05:01 kistchen kernel: [ 5.429920] RSP: > > > 0018:ffffa54e002b3ce8 > > > EFLAGS: 00010007 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430012] RAX: > > > 00d8e6d895001000 RBX: > > > 0000000000000206 RCX: 0000000000000000 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430107] RDX: > > > 00007425c0000000 RSI: > > > ffffffffc0fd6ea6 RDI: 36415f5f0004000f > > > Jan 28 19:05:01 kistchen kernel: [ 5.430201] RBP: > > > 36415f5f0004000f R08: > > > ffffffffa80427c0 R09: ffffa54e002b3be0 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430296] R10: > > > 0000000000000000 R11: > > > 0000000000000000 R12: ffff8bdae10e6ab8 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430392] R13: > > > ffff8bdae10e6800 R14: > > > ffff8bdac256c400 R15: ffff8bdc37cb5905 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430489] FS: > > > 0000000000000000(0000) > > > GS:ffff8bdc37c80000(0000) knlGS:0000000000000000 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430603] CS: 0010 DS: 0000 > > > ES: 0000 > > > CR0: 0000000080050033 > > > Jan 28 19:05:01 kistchen kernel: [ 5.430700] CR2: > > > 00007f934935c6f4 CR3: > > > 00000001077e2000 CR4: 00000000001006e0 > > > =================================================================== > > > > > > Providing a firmware file (or blacklisting iwlwifi of course) fixes > > > ist. > > > 5.15.16 does not crash. > > > > Can you do 'git bisect' to track down the offending commit? > > > > And does 5.16.y work for you? How about 5.17-rc2? > > > > thanks, > > > > greg k-h > > I tested 5.17-rc2. It also shows the above general protection fault: Great! Please contact the authors of the commit you found, and the wireless developer mailing list and they can work to resolve this. thanks, greg k-h
